Shield container

Abstract

The invention provides a shielding container which is provided with a first side and comprises an inner bag body and an outer bag body, the inner bag body and the outer bag body are connected at least on the first side, and a first containing space is formed between the inner bag body and the outer bag body. According to the shielding container, after the electronic product is arranged in the shielding container, the electronic product can be prevented from being rusted.

Description

Technical Field

[0001] The present application relates to the field of packaging technology, and in particular to a shielding container. Background Art

[0002] Shielding bags are packaging bags with electromagnetic shielding function, which can prevent damage caused by static electricity generation that is prone to occur in electronic components. They are widely used in the electronic semiconductor industry, optical device manufacturing industry, telecommunications and radio communication industry, etc.

[0003] However, the existing shielding bags do not have the function of absorbing water vapor. When water vapor enters the bag body, it is easy to cause the electronic products in the bag to rust. Summary of the invention

[0004] In order to solve the above problems, an embodiment of the present application provides a shielding container.

[0005] In a first aspect, an embodiment of the present application provides a shielding container having a first side, the shielding container comprising: an inner bag body and an outer bag body, the inner bag body and the outer bag body are connected at least on the first side, and a first accommodating space is provided between the inner bag body and the outer bag body.

[0006] In combination with the first aspect, a plurality of air holes are provided on the inner bag body, and the shielding container further comprises a reverse osmosis membrane layer, which is attached to the surface of the inner bag body away from the outer bag body, or the reverse osmosis membrane layer is attached to the surface of the inner bag body close to the outer bag body; preferably, the shape of the air hole is cylindrical; preferably, the aperture of the air hole is greater than or equal to 5 μm and less than or equal to 50 μm. By providing air holes on the inner bag body and attaching the reverse osmosis membrane layer, when a pressure difference is formed between the inner side of the inner bag body and the first accommodation space, water vapor molecules can move from the inner side of the inner bag body to the first accommodation space, reducing the water vapor content inside the inner bag body, and preventing the electronic products placed in the inner bag body from rusting.

[0007] In combination with the first aspect, the reverse osmosis membrane layer includes a dense layer and a support layer, and the support layer is in contact with the inner bag body; preferably, the pore size of the dense layer is greater than or equal to 0.001 μm and less than or equal to 0.01 μm; the pore size of the support layer is greater than or equal to 0.1 μm and less than or equal to 1 μm; preferably, the thickness of the dense layer is greater than or equal to 30 nm and less than or equal to 50 nm; the thickness of the support layer is greater than or equal to 80 μm and less than or equal to 120 μm; preferably, the material of the dense layer includes polyether ester or polyamide; the material of the support layer includes at least one of polysulfone, polyacrylonitrile, and polyurethane.

[0008] In combination with the first aspect, the reverse osmosis membrane layer includes a dense layer, which is attached to the surface of the inner bag body facing away from the outer bag body, or to the surface of the inner bag body close to the outer bag body; preferably, the pore size of the dense layer is greater than or equal to 0.001 μm and less than or equal to 0.01 μm; preferably, the thickness of the dense layer is greater than or equal to 30 nm and less than or equal to 50 nm; preferably, the material of the dense layer includes polyether ester or polyamide.

[0009] In combination with the first aspect, an inflation valve is provided on the outer bag body, and the inflation valve is used to inflate gas into the first containing space; preferably, the inflation valve includes a one-way inflation valve; preferably, the shielding container has a second side arranged opposite to the first side, and on the second side, the inner bag body includes at least one first edge, and the outer bag body includes at least one second edge, the first edge and the second edge correspond to each other, and the first edge and the second edge are at least partially connected; preferably, the inner bag body and the outer bag body are connected by heat sealing, or bonded by heat-sensitive adhesive.

[0010] In combination with the first aspect, along the direction from the outer bag body to the inner bag body, the inner bag body includes a first organic layer, a first metal layer, and a second organic layer arranged in sequence; preferably, the material of the first organic layer includes polyethylene terephthalate, the material of the first metal layer includes aluminum, and the material of the second organic layer includes polyethylene; preferably, the first organic layer is provided with a plurality of first through holes, the first metal layer is provided with a plurality of second through holes, and the second organic layer is provided with a plurality of third through holes, and the first through holes, the second through holes and the third through holes at least partially overlap; preferably, the aperture of the first through holes, the second through holes and / or the third through holes is greater than or equal to 5μm and less than or equal to 50μm; preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence; or, the outer bag body includes a fifth organic layer; preferably, the material of the third organic layer includes polyethylene terephthalate, the material of the second metal layer includes aluminum, and the material of the fourth organic layer includes polyethylene; the material of the fifth organic layer includes polyethylene terephthalate or polyurethane.

[0011] In combination with the first aspect, along the direction from the outer bag body to the inner bag body, the inner bag body includes a first composite material layer and a sixth organic layer arranged in sequence; preferably, the material of the first composite material layer includes a polyester aluminum-plated film, and the material of the sixth organic layer includes polyethylene; preferably, the first composite material layer is provided with a fourth through hole, and the sixth organic layer is provided with a fifth through hole, and the fourth through hole and the fifth through hole at least partially overlap; preferably, the aperture of the fourth through hole and / or the fifth through hole is greater than or equal to 5μm and less than or equal to 50μm; preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a second composite material layer and a seventh organic layer arranged in sequence; or, the outer bag body includes an eighth organic layer; preferably, the material of the second composite material layer includes a polyester aluminum-plated film, and the material of the seventh organic layer includes polyethylene; the material of the eighth organic layer includes polyethylene terephthalate or polyurethane.

[0012] In combination with the first aspect, the inner bag body includes a ninth organic layer; preferably, the material of the ninth organic layer includes polyethylene terephthalate or polyurethane; preferably, the ninth organic layer is provided with a plurality of sixth through holes; preferably, the aperture of the sixth through hole is greater than or equal to 5μm and less than or equal to 50μm; preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence; or, along the direction from the outer bag body to the inner bag body, the outer bag body includes a second composite material layer and a seventh organic layer arranged in sequence.

[0013] In combination with the first aspect, after loading the electronic product, the first side is sealed, and the inner bag body has a second storage space; the pressure of the first storage space is greater than the pressure of the second storage space. At this time, when water vapor enters the second storage space, the water vapor can enter the first storage space through the inner bag body (for example, the air holes of the inner bag body), reducing the water vapor content in the second storage space and preventing the electronic product from rusting.

[0014] In combination with the first aspect, the first storage space is filled with dry gas and the second storage space is vacuum; or, the first storage space is filled with the first gas and the second storage space is filled with the second gas, and the pressure of the first gas is greater than the pressure of the second gas.

[0015] Through the above technical solution, a first storage space is formed between the inner bag body and the outer bag body, and the first storage space is used to store dry gas. When the inner bag body is sealed, a second storage space is formed. By filling with gas or evacuating, the pressure of the first storage space is made greater than the pressure of the second storage space. Under the action of the pressure difference, water vapor enters the first storage space from the second storage space, thereby reducing the water vapor content in the second storage space and preventing electronic products from rusting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the structure of a shielding container provided in one embodiment of the present application.

[0017] Figure 2 yes Figure 1 A schematic diagram of a cross-sectional structure of a shielding container in area A is shown.

[0018] Figure 3 yes Figure 1 Another exemplary cross-sectional structural schematic diagram of the shielding container in area A is shown.

[0019] Figure 4 yes Figure 2 The schematic diagram of an exemplary cross-sectional structure of a partial structure of a shielding container in area B is shown.

[0020] Figure 5 yes Figure 2 Another exemplary cross-sectional structural schematic diagram of a partial structure of a shielding container in area B is shown.

[0021] Figure 6 It is a schematic diagram of the structure of an outer bag body provided in one embodiment of the present application.

[0022] Figure 7 It is a schematic diagram of the cross-sectional structure of an inner bag body provided in one embodiment of the present application.

[0023] Figure 8 It is a schematic diagram of the cross-sectional structure of an inner bag body provided in yet another embodiment of the present application. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] Existing shielding bags usually have a three-layer structure, with the outermost layer made of polyethylene terephthalate (PET), the middle layer made of aluminum foil (Al), and the inner layer made of polyethylene (PE). The shielding bag has a poor ability to absorb moisture. In order to prevent electronic products from rusting, additional dry materials are usually added to the shielding bag, such as desiccants, dryer paper, and other materials that have moisture and moisture absorption functions. On the one hand, desiccants and dryer paper are prone to failure after a long time; on the other hand, once desiccants and dryer paper leak, they may corrode the electronic products in the shielding bag.

[0026] In order to solve the above technical problems, the embodiment of the present application provides a shielding container having a first side, the shielding container comprising: an inner bag body and an outer bag body, the inner bag body and the outer bag body are connected at least on the first side, and a first storage space is provided between the inner bag body and the outer bag body. In the embodiment of the present application, the first storage space is used to store dry gas, and a second storage space is formed after the inner bag body is sealed. By filling gas or vacuuming, the pressure of the first storage space is greater than the pressure of the second storage space. Under the action of the pressure difference, water vapor enters the first storage space from the second storage space, thereby reducing the water vapor content in the second storage space and preventing electronic products from rusting.

[0027] Figure 1 Schematic diagram of the structure of a shielding container provided by an embodiment of the present application. Figure 1 As shown, the shielding container has a first side 101 and a second side 102, and the second side 102 is arranged opposite to the first side 101. In the embodiment of the present application, when it is not sealed, the first side 101 is open; when it needs to be sealed, the first side 101 is sealed by a heat sealing process.

[0028] In an embodiment of the present application, the shielding container includes a shielding bag. The shielding container includes an inner bag body 200 and an outer bag body 300, and the inner bag body 200 and the outer bag body 300 are connected at least on the first side 101. A first accommodating space 103 is provided between the inner bag body 200 and the outer bag body 300. The first accommodating space 103 is used to fill gas. In an embodiment of the present application, after the inner bag body 200 and the outer bag body 300 are connected on the first side 101, the first accommodating space 103 can be formed. Optionally, on the second side 102, the inner bag body includes at least one first side, and the outer bag body includes at least one second side, the first side and the second side correspond, and the first side and the second side are at least partially connected. After the inner bag body 200 and the outer bag body 300 are partially connected on the second side 102, it can be avoided that the inner bag body 200 is deformed too much under the action of the pressure difference, which affects the packaging effect. Optionally, the inner bag body 200 and the outer bag body 300 are connected by heat sealing, or by heat-sensitive adhesive bonding. It should be noted that those skilled in the art may select other connection modes, which are not limited in the embodiments of the present application.

[0029] In the embodiment of the present application, the inner side of the inner bag body 200 is used to load electronic products. For example, the electronic products include LCD screens, printed circuit boards, display panels, etc. After loading the electronic products, the first side 101 is sealed, and at this time, the inner bag body 200 has a second storage space 104. The pressure of the first storage space 103 is greater than the pressure of the second storage space 104. In the embodiment of the present application, there is a pressure difference between the first storage space 103 and the second storage space 104, which can make water vapor molecules pass through the reverse osmosis membrane ( Figure 2The reverse osmosis membrane layer 400 in the second accommodation space 104 moves from the second accommodation space 104 to the first accommodation space 103, thereby reducing the water vapor content in the second accommodation space 104 and preventing the electronic products from rusting.

[0030] Optionally, the first accommodation space 103 is filled with a dry gas, such as dry air, inert gas, nitrogen, etc., preferably dry air from the perspective of cost saving. The second accommodation space 104 is a vacuum. Specifically, when the first side 101 is sealed, vacuum is simultaneously drawn so that the second accommodation space 104 is a vacuum. The first accommodation space 103 may be filled with a dry gas before, during, or after sealing.

[0031] Optionally, the first accommodating space 103 is filled with a first gas, and the second accommodating space 104 is filled with a second gas, and the pressure of the first gas is greater than the pressure of the second gas. For example, the amount of the first gas in the first accommodating space 103 is greater than the amount of the second gas in the second accommodating space 104. According to the gas pressure formula PV=nRT, where R is a constant, T is temperature, V is volume, P is pressure, and n is the amount of substance, when T and V remain unchanged, increasing the amount of substance n can increase the pressure.

[0032] Figure 2 yes Figure 1 FIG. 1 is a schematic diagram of an exemplary cross-sectional structure of a shielding container in area A. Figure 2 As shown, a plurality of ventilation holes 201 are provided on the inner bag body 200. In the embodiment of the present application, the ventilation holes 201 are cylindrical in shape. The aperture of the ventilation holes 201 is greater than or equal to 5 μm and less than or equal to 50 μm. Exemplarily, the aperture of the ventilation holes 201 is 5 μm, 10 μm, 20 μm, 30 μm, 40 μm, and 50 μm.

[0033] In the embodiment of the present application, the shielding container further includes a reverse osmosis membrane layer 400 ( Figure 1 Specifically, Figure 2 In the embodiment, the reverse osmosis membrane layer 400 is attached to the surface of the inner bag body 200 facing away from the outer bag body 300. Figure 3In the embodiment of the present application, the reverse osmosis membrane layer 400 is attached to the surface of the inner bag body 200 close to the outer bag body 300. That is, the reverse osmosis membrane layer 400 is attached to the surface of the inner bag body 200. The reverse osmosis membrane layer 400 allows water molecules to pass freely, but it will block other substances from passing through. In the process of gas dehumidification, by applying enough pressure, water molecules (or water vapor) can move to the other side through the reverse osmosis membrane against the direction of natural osmosis, thereby achieving the separation of dry gas. In an embodiment of the present application, by providing an air hole 201 on the inner bag body 200 and attaching the reverse osmosis membrane layer 400, when a pressure difference is formed between the inner side of the inner bag body 200 (i.e., the second accommodation space 104) and the first accommodation space 103, water vapor molecules can move from the inner side of the inner bag body 200 to the first accommodation space 103, reducing the water vapor content of the inner side of the inner bag body 200, and avoiding the rust of electronic products placed in the inner bag body 200.

[0034] Figure 4 yes Figure 2 FIG. 1 is a schematic diagram of an exemplary cross-sectional structure of a partial structure of a shielding container in area B. Figure 4 As shown, the reverse osmosis membrane layer 400 includes a dense layer 410 and a support layer 420, and the support layer 420 is in contact with the inner bag body 200. In the embodiment of the present application, the dense layer 410 is also called a desalination layer, which is used for the selective permeation of water vapor molecules. The support layer 420 is used to enhance the mechanical strength of the reverse osmosis membrane. Optionally, the pore size of the dense layer 410 is greater than or equal to 0.001 μm and less than or equal to 0.01 μm. Exemplarily, the pore size of the dense layer 410 is 0.001 μm, 0.002 μm, 0.004 μm, 0.006 μm, 0.008 μm, 0.01 μm. The pore size of the support layer 420 is greater than or equal to 0.1 μm and less than or equal to 1 μm. Exemplarily, the pore size of the support layer 420 is 0.1 μm, 0.2 μm, 0.4 μm, 0.6 μm, 0.8 μm, 1 μm. In an embodiment of the present application, the thickness of the dense layer 410 is greater than or equal to 30 nm and less than or equal to 50 nm. Exemplarily, the thickness of the dense layer 410 is 30 nm, 35 nm, 40 nm, 45 nm, 50 nm. The thickness of the support layer 420 is greater than or equal to 80 μm and less than or equal to 120 μm. Exemplarily, the thickness of the support layer 420 is 80 μm, 90 μm, 100 μm, 110 μm, 120 μm. Optionally, the material of the dense layer 410 includes polyether ester or polyamide (e.g., aromatic polyamide). The material of the support layer 420 includes at least one of polysulfone, polyacrylonitrile, and polyurethane.

[0035] Figure 5 yes Figure 2 FIG. 1 is another exemplary cross-sectional structural diagram of a partial structure of a shielding container in region B. Figure 5As shown, the reverse osmosis membrane layer 400 includes a dense layer 410. The dense layer 410 is attached to the surface of the inner bag body 200 away from the outer bag body 300, or attached to the surface of the inner bag body 200 close to the outer bag body 300. In the embodiment of the present application, the support layer 420 is omitted, and the dense layer 410 is directly coated on the surface of the inner bag body 200, and the inner bag body 200 provides support for the reverse osmosis membrane layer 400, which can also achieve the effect of filtering water vapor. Figure 5 The structure and material of the dense layer 410 are shown in FIG. Figure 4 The structure and material of the dense layer 410 shown are the same and will not be described again here.

[0036] Figure 6 Schematic diagram of the structure of the outer bag body provided in one embodiment of the present application. Figure 6 As shown, an inflation valve 301 is provided on the outer bag body 300. The inflation valve 301 is used to fill gas into the first accommodation space 103. Optionally, the inflation valve 301 includes a one-way inflation valve. In the embodiment of the present application, gas is filled into the first accommodation space through the inflation valve 301, so that the pressure of the first accommodation space 103 is greater than the pressure of the second accommodation space 104. The one-way inflation valve can ensure that the gas only flows into the first accommodation space 103, preventing the gas from flowing back in the opposite direction.

[0037] In the embodiment of the present application, in order to achieve the electromagnetic shielding function, it is only necessary for at least one of the inner bag body 200 and the outer bag body 300 to use a material having an electromagnetic shielding function.

[0038] Figure 7 Schematic diagram of the cross-sectional structure of the inner bag body provided in one embodiment of the present application. Figure 7 As shown, in the direction from the outer bag body 300 to the inner bag body 200, the inner bag body 200 includes a first organic layer 210, a first metal layer 220 and a second organic layer 230 arranged in sequence. Among them, the material of the first organic layer 210 includes polyethylene terephthalate (PET), the material of the first metal layer 220 includes aluminum (Al), and the material of the second organic layer 230 includes polyethylene (PE). The first organic layer 210 is provided with a plurality of first through holes 211, the first metal layer 220 is provided with a plurality of second through holes 221, and the second organic layer 230 is provided with a plurality of third through holes 231, and the first through holes 211, the second through holes 221 and the third through holes 231 at least partially overlap. In this way, it can be ensured that water vapor can enter the first accommodation space 103 through the inner bag body 200. Optionally, the aperture of the first through hole 211, the second through hole 221 and / or the third through hole 231 is greater than or equal to 5μm and less than or equal to 50μm. Exemplarily, the apertures of the first through hole 211 , the second through hole 221 and / or the third through hole 231 are 5 μm, 10 μm, 20 μm, 30 μm, 40 μm, or 50 μm.

[0039] In the embodiment of the present application, the inner bag body 200 can play the role of electromagnetic shielding, and the outer bag body 300 can be made of the same material as the inner bag body 200, or a different material from the inner bag body 200. Optionally, along the direction from the outer bag body 300 to the inner bag body 200, the outer bag body 300 includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence. Among them, the material of the third organic layer includes polyethylene terephthalate (PET), the material of the second metal layer includes aluminum (Al), and the material of the fourth organic layer includes polyethylene (PE). Alternatively, the outer bag body 300 includes a fifth organic layer. The material of the fifth organic layer includes polyethylene terephthalate (PET) or polyurethane (PU).

[0040] Figure 8 FIG. 2 is a schematic diagram of the cross-sectional structure of an inner bag body provided by another embodiment of the present application. Figure 8 As shown, along the direction from the outer bag body 300 to the inner bag body 200, the inner bag body 200 includes a first composite material layer 240 and a sixth organic layer 250 arranged in sequence. Among them, the material of the first composite material layer 240 includes a polyester aluminum film (VMPET), and the material of the sixth organic layer 250 includes polyethylene (PE). Optionally, the first composite material layer 240 is provided with a fourth through hole 241, and the sixth organic layer 250 is provided with a fifth through hole 251, and the fourth through hole 241 and the fifth through hole 251 at least partially overlap. In this way, it can be ensured that water vapor can enter the first accommodating space 103 through the inner bag body 200. Optionally, the aperture of the fourth through hole 241 and / or the fifth through hole 251 is greater than or equal to 5μm and less than or equal to 50μm. Exemplarily, the aperture of the fourth through hole 241 and / or the fifth through hole 251 is 5μm, 10μm, 20μm, 30μm, 40μm, 50μm.

[0041] In the embodiment of the present application, the inner bag body 200 can play the role of electromagnetic shielding, and the outer bag body 300 can be made of the same material as the inner bag body 200, or a different material from the inner bag body 200. Optionally, along the direction from the outer bag body 300 to the inner bag body 200, the outer bag body 300 includes a second composite material layer and a seventh organic layer stacked in sequence. The material of the second composite material layer includes a polyester aluminum-plated film, and the material of the seventh organic layer includes polyethylene. Alternatively, the outer bag body 300 includes an eighth organic layer. The material of the eighth organic layer includes polyethylene terephthalate (PET) or polyurethane (PU).

[0042] Optionally, in other embodiments, the outer bag body 300 may have an electromagnetic shielding effect, and the inner bag body 200 has no electromagnetic shielding effect. Specifically, the inner bag body 200 includes a ninth organic layer. The material of the ninth organic layer includes polyethylene terephthalate (PET) or polyurethane (PU). The ninth organic layer is provided with a plurality of sixth through holes. The aperture of the sixth through hole is greater than or equal to 5μm and less than or equal to 50μm. Exemplarily, the aperture of the sixth through hole is 5μm, 10μm, 20μm, 30μm, 40μm, 50μm. In the direction from the outer bag body 300 to the inner bag body 200, the outer bag body 300 includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence; or, in the direction from the outer bag body 300 to the inner bag body 200, the outer bag body 300 includes a second organic material layer and a seventh organic layer arranged in sequence.

[0043] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0044] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0045] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0046] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

[0047] The above description has been given for the purpose of illustration and description. In addition, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although multiple example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, changes, additions and sub-combinations thereof.

Claims

1. A shielding container, characterized in that: Having a first side, the shielding container comprises: The inner bag body and the outer bag body are connected at least at the first side, and a first accommodating space is defined between the inner bag body and the outer bag body.

2. The shielding container according to claim 1, characterized in that: The inner bag body is provided with a plurality of air holes, and the shielding container further comprises a reverse osmosis membrane layer, the reverse osmosis membrane layer is attached to the surface of the inner bag body away from the outer bag body, or the reverse osmosis membrane layer is attached to the surface of the inner bag body close to the outer bag body; Preferably, the air vent is cylindrical in shape; Preferably, the pore size of the air-permeable pores is greater than or equal to 5 μm and less than or equal to 50 μm.

3. The shielding container according to claim 2, characterized in that: The reverse osmosis membrane layer comprises a dense layer and a support layer, and the support layer is in contact with the inner bag body; Preferably, the pore size of the dense layer is greater than or equal to 0.001 μm and less than or equal to 0.01 μm; the pore size of the support layer is greater than or equal to 0.1 μm and less than or equal to 1 μm; Preferably, the thickness of the dense layer is greater than or equal to 30 nm and less than or equal to 50 nm; the thickness of the support layer is greater than or equal to 80 μm and less than or equal to 120 μm; Preferably, the material of the dense layer includes polyetherester or polyamide; the material of the support layer includes at least one of polysulfone, polyacrylonitrile and polyurethane.

4. The shielding container according to claim 2, characterized in that: The reverse osmosis membrane layer comprises a dense layer, and the dense layer is attached to the surface of the inner bag body away from the outer bag body, or to the surface of the inner bag body close to the outer bag body; Preferably, the pore size of the dense layer is greater than or equal to 0.001 μm and less than or equal to 0.01 μm; Preferably, the thickness of the dense layer is greater than or equal to 30 nm and less than or equal to 50 nm; Preferably, the material of the dense layer includes polyetherester or polyamide.

5. The shielding container according to claim 1, characterized in that: The outer bag body is provided with an inflation valve, and the inflation valve is used to inflate gas into the first accommodating space; Preferably, the inflation valve comprises a one-way inflation valve; Preferably, the shielding container has a second side arranged opposite to the first side, on the second side, the inner bag body includes at least one first edge, the outer bag body includes at least one second edge, the first edge and the second edge correspond to each other, and the first edge and the second edge are at least partially connected; Preferably, the inner bag body and the outer bag body are connected by heat sealing or bonding by heat-sensitive adhesive.

6. The shielding container according to claim 1, characterized in that: Along the direction from the outer bag body to the inner bag body, the inner bag body includes a first organic layer, a first metal layer, and a second organic layer arranged in sequence; Preferably, the material of the first organic layer includes polyethylene terephthalate, the material of the first metal layer includes aluminum, and the material of the second organic layer includes polyethylene; Preferably, the first organic layer is provided with a plurality of first through holes, the first metal layer is provided with a plurality of second through holes, the second organic layer is provided with a plurality of third through holes, and the first through holes, the second through holes and the third through holes at least partially overlap; Preferably, the aperture of the first through hole, the second through hole and / or the third through hole is greater than or equal to 5 μm and less than or equal to 50 μm; Preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence; or, the outer bag body includes a fifth organic layer; Preferably, the material of the third organic layer includes polyethylene terephthalate, the material of the second metal layer includes aluminum, the material of the fourth organic layer includes polyethylene; and the material of the fifth organic layer includes polyethylene terephthalate or polyurethane.

7. The shielding container according to claim 1, characterized in that: Along the direction from the outer bag body to the inner bag body, the inner bag body includes a first composite material layer and a sixth organic layer arranged in sequence; Preferably, the material of the first composite material layer includes polyester aluminum-plated film, and the material of the sixth organic layer includes polyethylene; Preferably, the first composite material layer is provided with a fourth through hole, the sixth organic layer is provided with a fifth through hole, and the fourth through hole and the fifth through hole at least partially overlap; Preferably, the aperture of the fourth through hole and / or the fifth through hole is greater than or equal to 5 μm and less than or equal to 50 μm; Preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a second composite material layer and a seventh organic layer which are arranged in sequence; or, the outer bag body includes an eighth organic layer; Preferably, the material of the second composite material layer includes polyester aluminum-plated film, the material of the seventh organic layer includes polyethylene; and the material of the eighth organic layer includes polyethylene terephthalate or polyurethane.

8. The shielding container according to claim 1, characterized in that: The inner bag body includes a ninth organic layer; Preferably, the material of the ninth organic layer includes polyethylene terephthalate or polyurethane; Preferably, the ninth organic layer is provided with a plurality of sixth through holes; Preferably, the aperture of the sixth through hole is greater than or equal to 5 μm and less than or equal to 50 μm; Preferably, along the direction from the outer bag body to the inner bag body, the outer bag body includes a third organic layer, a second metal layer, and a fourth organic layer arranged in sequence; or, along the direction from the outer bag body to the inner bag body, the outer bag body includes a second composite material layer and a seventh organic layer arranged in sequence.

9. The shielding container according to any one of claims 1 to 8, characterized in that: After loading the electronic product, the first side is sealed, and the inner bag body has a second accommodating space; The pressure of the first accommodation space is greater than the pressure of the second accommodation space.

10. The shielding container according to claim 9, characterized in that: The first containing space is filled with dry gas, and the second containing space is vacuum; Alternatively, the first storage space is filled with a first gas, the second storage space is filled with a second gas, and the pressure of the first gas is greater than the pressure of the second gas.

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