Copper clad board with magnetic force

Abstract

The utility model discloses a copper clad plate field's with magnetic force copper clad plate, including the laminated copper foil layer and base material, and the base material is by the upper base layer and lower base layer composite, and the mutual through accommodating groove of being equipped with is established between two, and the magnetic sheet is encapsulated and fixed in the groove, and the magnetic sheet bottom is equipped with the convex part to realize the positioning, and the upper base layer is equipped with the annular body of embedding lower base layer, and the magnetic sheet periphery is surrounded, and forms the first heavy protection, and the upper base layer and lower base layer outside pass through the recess of corresponding setting and are fixed together with the rubber ring of clamping, realize sealed connection, constitute the second heavy protection, and the copper foil layer is connected with the base material and forms the assembly area of alignment with the magnetic sheet, and this copper clad plate is through the built -in magnetic sheet, and the copper clad plate is given the magnetic function, satisfies the special application demand of needing magnetic cooperation or magnetic force guide in electronic equipment, and the functional diversity is strengthened, simultaneously, and the magnetic sheet is effectively isolated outside environment by multiple structure, prevents damp, oxidation or physical damage, ensures that the magnetic is durable and stable.

Description

Technical Field

[0001] This utility model relates to the field of copper clad laminate technology, specifically a magnetic copper clad laminate. Background Technology

[0002] With the rapid development of electronic technology, electronic devices are becoming increasingly feature-rich and integrated, as well as miniaturized, leading to ever-increasing performance requirements for electronic circuit substrates. Copper-clad laminates (CCLs), as the fundamental material for printed circuit boards (PCBs), directly impact the overall performance and reliability of electronic devices. Traditional CCLs primarily focus on providing good conductivity, insulation, and mechanical support, offering relatively limited functionality and failing to meet the needs of some specialized applications.

[0003] In emerging electronic applications, such as smart wearable devices, IoT sensors, and micro-motor drive circuits, copper-clad laminates (CCLs) are required not only to possess conventional electrical properties but also to integrate magnetic functions to enable additional capabilities such as magnetic coupling, magnetic guidance, and signal interaction between devices. For example, in smartwatches, magnetic CCLs can be used to achieve quick and precise attachment and fixation between the watch band and the watch body, while also enabling data transmission or charging via magnetism. In IoT sensor nodes, magnetic CCLs can be used to construct magnetic switches for monitoring and controlling specific objects.

[0004] However, existing technologies struggle to guarantee the sealing of magnetic components when integrating them into copper-clad laminates. Magnetic materials are typically sensitive to environmental factors, easily affected by moisture, oxygen, dust, and other external elements, leading to decreased magnetic performance or even failure. If the magnetic components are not effectively sealed within the copper-clad laminate, their magnetic stability will be severely threatened during long-term use, consequently impacting the performance and lifespan of the entire electronic device. Utility Model Content

[0005] In order to overcome the shortcomings of existing technical solutions, this utility model provides a magnetic copper-clad laminate, which can effectively solve the technical problem of poor sealing of magnetic components in current magnetic copper-clad laminates.

[0006] The technical solution adopted by this utility model to solve its technical problem is:

[0007] A magnetic copper-clad laminate includes a copper foil layer and a substrate stacked together. The substrate is formed by an upper substrate and a lower substrate. A mutually communicating receiving groove is provided between the upper substrate and the lower substrate. A magnetic sheet is encapsulated and fixed in the receiving groove. The bottom of the magnetic sheet has a protrusion for positioning within the receiving groove. The upper substrate has an annular body embedded in the lower substrate. The annular body surrounds the periphery of the magnetic sheet. The outer sides of the upper substrate and the lower substrate are sealed and connected by an adhesive ring. The adhesive ring is clamped and fixed by corresponding grooves on the outer sides of the upper substrate and the lower substrate. After the copper foil layer is connected to the substrate, it forms an assembly area aligned with the magnetic sheet.

[0008] Furthermore, the copper foil layer is disposed above the substrate, and the copper foil layer and the substrate are connected by an adhesive layer.

[0009] Furthermore, the receiving groove consists of an upper groove for mounting the magnetic sheet and a lower groove for mounting the protrusion. The upper groove is formed within the upper base layer and matches the size of the magnetic sheet, while the lower groove is formed within the lower base layer and matches the size of the protrusion.

[0010] Furthermore, the lower base layer is provided with annular grooves of a size that match the annular body, and the number and position of the annular grooves correspond to the annular body.

[0011] Furthermore, an annular gasket is provided at the bottom of the annular groove to seal against the annular body.

[0012] Furthermore, the inner wall of the rubber ring is coaxially provided with several protruding limiting pins, which are respectively engaged and fixed in the preset slots on the outer side of the upper and lower base layers.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The copper-clad laminate provided by this utility model is endowed with magnetic function by using an internal magnetic sheet, which can meet the special applications in electronic devices that require magnetic cooperation or magnetic guidance, thus forming a variety of functions. The internal magnetic sheet is encapsulated in a receiving groove formed by the upper and lower base layers, and the annular body of the upper base layer surrounds the magnetic sheet. In addition, the outer sides of the upper and lower base layers are sealed and fixed by a rubber ring through corresponding grooves, forming multiple effective isolations from the external environment, preventing the magnetic sheet from getting damp, oxidized or physically damaged, and ensuring long-lasting and stable magnetism. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0016] Figure 2 This is an exploded view of the internal structure of an embodiment of the present invention;

[0017] Figure 3 This is a schematic diagram of the rubber ring structure in an embodiment of the present invention;

[0018] Figure 4 This is a schematic diagram showing the connection between the lower base layer and the magnetic sheet in an embodiment of this utility model;

[0019] Figure 5 This is a schematic diagram of the lower base structure in an embodiment of the present utility model;

[0020] Figure 6 This is a schematic diagram of the upper base structure in an embodiment of the present utility model;

[0021] Figure 7 This is a schematic diagram of the magnetic sheet structure in an embodiment of the present invention;

[0022] Numbering on the map:

[0023] 1-Copper foil layer, 2-Substrate, 4-Magnetic sheet, 5-Glue ring, 6-Assembly area, 7-Adhesive layer, 8-Annular gasket;

[0024] 201-Upper base layer, 202-Lower base layer, 203-Annular body, 204-Groove, 205-Annular groove, 206-Groove position;

[0025] 301 - Upper slot, 302 - Lower slot;

[0026] 401 - Protrusion;

[0027] 501 - Limiting insert. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figure 1-7 As shown, this utility model provides a copper-clad laminate with magnetic force, which is mainly composed of a copper foil layer 1, a substrate 2, a magnetic sheet 4, and a rubber ring 5. Through reasonable structural design and connection method, the magnetic function is integrated into the copper-clad laminate, while ensuring the stability and sealing of the structure.

[0030] The substrate 2 is formed by combining an upper base layer 201 and a lower base layer 202, which are combined together by a specific connection and sealing method.

[0031] A mutually communicating receiving groove is provided between the upper substrate 201 and the lower substrate 202. This receiving groove consists of an upper groove 301 formed in the upper substrate and a lower groove 302 formed in the lower substrate. The magnetic sheet 4 is disposed in the receiving groove and is encapsulated and fixed. The bottom of the magnetic sheet 4 has a protrusion, which serves as a protrusion portion for positioning in the lower groove 302 within the receiving groove. Through the cooperation of the upper groove 301 and the lower groove 302, and the positioning effect of the protrusion portion and the lower groove 302, the position of the magnetic sheet 4 in the substrate 2 can be ensured to be accurate and stable, avoiding displacement or shaking during use. Specifically, the size of the upper groove 301 matches the magnetic sheet 4 and is used to install the main body of the magnetic sheet 4; the size of the lower groove 302 matches the protrusion portion 401 at the bottom of the magnetic sheet 4 and is used to install the protrusion portion 401, thereby achieving precise positioning and stable installation of the magnetic sheet 4.

[0032] The upper base layer 201 has an annular body 203 embedded in the lower base layer 202. The annular body 203 surrounds the periphery of the magnetic sheet 4. The lower base layer 202 has annular grooves 205 of a size matching the annular body 203. The number and position of the annular grooves 205 correspond to those of the annular body 203. During assembly, the annular body 203 of the upper base layer 201 is aligned with the annular grooves 205 of the lower base layer 202, so that the annular body 203 is embedded in the annular grooves 205, thereby enhancing the connection strength and stability between the upper base layer 201 and the lower base layer 202.

[0033] The bottom of the annular groove 205 is provided with an annular gasket 8 that is in sealing contact with the annular body 203. The annular gasket 8 can be made of a material with good elasticity and sealing performance, such as rubber or silicone. When the annular body 203 is embedded in the annular groove 205, the annular gasket 8 is compressed to form a tight seal, preventing external impurities, moisture, etc. from entering the interior of the substrate and protecting the magnetic sheet and other internal structures.

[0034] The outer sides of the upper base layer 201 and the lower base layer 202 are sealed together by a rubber ring 5. The rubber ring 5 is clamped and fixed by corresponding grooves 204 on the outer sides of the upper base layer 201 and the lower base layer 202. Specifically, grooves 204 are provided on the outer sides of the upper base layer 201 and the lower base layer 202, and the two sides of the rubber ring 5 are respectively embedded in the grooves 204 of the upper base layer 201 and the lower base layer 202, so as to achieve a tight sealing connection through the elastic deformation of the rubber ring.

[0035] The inner wall of the rubber ring 5 is coaxially provided with several protruding limiting posts 501, and the outer sides of the upper base layer 201 and the lower base layer 202 are pre-set with grooves 206 that match the limiting posts 501. When installing the rubber ring 5, the two limiting posts 501 of the rubber ring 5 are respectively snapped into the pre-set grooves 206 on the outer sides of the upper base layer 201 and the lower base layer 202, which further enhances the fixing effect and sealing performance of the rubber ring 5 and ensures that the substrate as a whole has good sealing performance.

[0036] When the copper foil layer 1 is connected to the substrate 2, the copper foil layer 1 is positioned above the substrate 2 and is connected to the substrate 2 by an adhesive layer 7. The adhesive layer 7 can be a special adhesive with good conductivity and adhesion properties to ensure a firm connection between the copper foil layer 1 and the substrate 2 and maintain good electrical performance. During the connection process, the adhesive is evenly applied to the upper surface of the substrate 2 or the lower surface of the copper foil layer 1. Then, the copper foil layer 1 and the substrate 1 are aligned and pressed together, allowing the adhesive to fully fill the gap between them, forming a stable connection structure.

[0037] After the copper foil layer 1 is connected to the substrate 2, an assembly area 6 is formed that is aligned with the magnetic sheet 4. This assembly area 6 can be used to mount other electronic components or parts according to actual usage requirements, enabling the copper-clad laminate to achieve effective electrical connection and functional integration with other electronic devices. For example, in some electronic devices, electronic components that require magnetic functionality can be mounted in the assembly area 6, with electrical signals transmitted through the copper foil layer while the magnetic sheet provides the necessary magnetic force.

[0038] Compared with traditional technologies, the copper-clad laminate provided by this technical solution is endowed with magnetic function by using an internal magnetic sheet 4, which can meet the special applications in electronic devices that require magnetic cooperation or magnetic guidance, thus forming a variety of functions. The internal magnetic sheet 4 is encapsulated in a receiving groove formed by the upper base layer 201 and the lower base layer 202, and the annular body 203 of the upper base layer 201 surrounds the magnetic sheet. In addition, the outer sides of the upper and lower base layers are sealed and fixed by the rubber ring 5 through corresponding grooves 205, forming multiple effective isolations from the external environment, preventing the magnetic sheet 4 from getting damp, oxidized or physically damaged, and ensuring long-lasting and stable magnetism.

[0039] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this invention, and no reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A copper-clad board with magnetic force, comprising a copper foil layer and a base material which are stacked, characterized in that: The substrate is formed by combining an upper base layer and a lower base layer. A mutually communicating receiving groove is provided between the upper base layer and the lower base layer. A magnetic sheet is encapsulated and fixed in the receiving groove. The bottom of the magnetic sheet has a protrusion for positioning within the receiving groove. The upper base layer has an annular body that is embedded in the lower base layer. The annular body surrounds the periphery of the magnetic sheet. The outer sides of the upper base layer and the lower base layer are sealed and connected by a rubber ring. The rubber ring is clamped and fixed by corresponding grooves on the outer sides of the upper base layer and the lower base layer. After the copper foil layer is connected to the substrate, it forms an assembly area aligned with the magnetic sheet.

2. The copper clad board with magnetic force according to claim 1, characterized in that: The copper foil layer is disposed on top of the substrate, and the copper foil layer is connected to the substrate by an adhesive layer.

3. The copper clad board with magnetic force according to claim 1, characterized in that: The receiving groove consists of an upper groove for mounting the magnetic sheet and a lower groove for mounting the protrusion. The upper groove is formed in the upper base layer and matches the size of the magnetic sheet, and the lower groove is formed in the lower base layer and matches the size of the protrusion.

4. The copper clad board with magnetic force according to claim 1, characterized in that: The lower base layer is provided with annular grooves of a size that match the annular body, and the number and position of the annular grooves correspond to the annular body.

5. The copper clad board with magnetic force according to claim 4, characterized in that: The bottom of the annular groove is provided with an annular gasket that is in sealing contact with the annular body.

6. The copper-clad plate with magnetic force according to any one of claims 1-5, characterized in that: The inner wall of the rubber ring is coaxially provided with several protruding limiting pins, which are respectively engaged and fixed in the preset slots on the outer side of the upper and lower base layers.

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