High-performance light-sensitive wet film for LDI
By designing a multi-layered photosensitive wet film, the existing photosensitive wet film has solved the problem of poor photosensitive effect and long hardening time in laser direct imaging technology, and achieved high sensitivity, rapid curing and good durability.
Patent Information
- Application Number
- CN202421812512.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing photosensitive wet films have poor photosensitive effects in laser direct imaging technology, have a long hardening time, and are inconvenient to use.
A high-performance photosensitive wet film is designed, including a photosensitive wet film main body, a base layer, an ortho-cresol epoxy resin layer, a polymerization resistor layer, a fluorophenyl anhydride layer, a natural rubber layer, a glass flake micropowder layer, a hydrophilic vapor phase silica layer, a trifunctional acrylic layer, an ultrafine talc powder layer and a photosensitive layer. These layers improve the photosensitive, curing speed and durability of the photosensitive wet film through a specific combination of materials and thicknesses.
The photosensitive wet film has an exposure enhancement effect on the laser after curing, has the characteristics of ultra-high sensitivity and rapid curing, and is not easy to deform after rubbing, and has good resistance to dilute acid, anti-aging, heat resistance and photosensitive properties.
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Figure CN222769128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photosensitive wet films, in particular to a high-performance photosensitive wet film for LDI. Background Art
[0002] Wet film (filtered film) is a photosensitive ink that is sensitive to violet rays and can be cured by ultraviolet rays. In order to better control the changes in the surface coating, engineers usually measure the coating thickness when the coating is in the wet film state. The wet film measurement equipment depends on the shape of the measuring surface area and the measurement range of the system. In addition, when the dry film thickness can only be measured when it is destroyed, the role of wet film thickness is particularly obvious;
[0003] LDI, the full name of which is laser direct imaging in English, is a technology that directly uses the data output by the CAM workstation to drive the laser imaging device to perform graphic imaging on a printed circuit board coated with photoresist.
[0004] When in use, the photosensitivity of the existing device photosensitive wet film is poor and the curing time is long, which makes it inconvenient for users to use. Therefore, we propose a high-performance photosensitive wet film for LDI. Utility Model Content
[0005] The utility model aims to provide a high-performance photosensitive wet film for LDI, which solves the existing problems.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A high-performance photosensitive wet film for LDI comprises a photosensitive wet film body, a base layer is fixedly installed on one side of the photosensitive wet film body, an o-cresol epoxy resin layer is fixedly installed on one side of the base layer, an inhibitor layer is fixedly installed on one side of the o-cresol epoxy resin layer, a fluorophthalic anhydride layer is fixedly installed on one side of the inhibitor layer, a natural rubber layer is fixedly installed on one side of the fluorophthalic anhydride layer, a glass flake powder layer is fixedly installed on one side of the natural rubber layer, and a hydrophilic fumed silica layer is fixedly installed on one side of the glass flake powder layer.
[0008] As a further improvement of the above solution, a trifunctional acrylic layer is fixedly installed on one side of the hydrophilic fumed silica layer, an ultrafine talcum powder layer is fixedly installed on one side of the trifunctional acrylic layer, and a photosensitive layer is fixedly installed on one side of the ultrafine talcum powder layer.
[0009] As a further improvement of the above solution, the thickness of the o-cresol epoxy resin layer is 1-2 nanometers, and the thickness of the inhibitor layer is 2-3 nanometers.
[0010] As a further improvement of the above solution, the thickness of the fluorophthalic anhydride layer is 1-2 nanometers, and the thickness of the natural rubber layer is 2-3 nanometers.
[0011] As a further improvement of the above solution, the material of the natural rubber layer is rubber material, and the material of the glass flake powder layer is glass flake powder.
[0012] As a further improvement of the above solution, the thickness of the hydrophilic fumed silica layer is 1-2 nanometers, and the thickness of the trifunctional acrylic acid layer is 3-4 nanometers.
[0013] As a further improvement of the above solution, the material of the ultrafine talc powder layer is ultrafine talc powder, the thickness of the ultrafine talc powder layer is 1-2 nanometers, and the thickness of the photosensitive layer is 1-2 nanometers.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] After curing, the photosensitive wet film body has an exposure enhancement effect on laser, and has ultra-high sensitivity and fast curing. The o-cresol epoxy resin layer and the inhibitor layer make the device have better rubbish resistance, so that the product is not easy to deform after being rubbed. The trifunctional acrylic layer makes the product resistant to dilute acid. The glass flake powder layer makes the product anti-aging and less likely to produce chemical reactions during use. The ultrafine talcum powder layer makes the product tougher. The photosensitive layer makes the product have better photosensitivity. The natural rubber layer and the hydrophilic vapor-phase silica layer make the product better heat-resistant. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0017] Figure 1 This is a three-dimensional structural schematic diagram of a high-performance LDI photosensitive wet film proposed by the utility model;
[0018] Figure 2 This is a partial three-dimensional structural schematic diagram of a high-performance photosensitive wet film for LDI proposed by the utility model.
[0019] In the figure: 1. photosensitive wet film body; 2. base layer; 3. o-cresol epoxy resin layer; 4. inhibitor layer; 5. fluorophthalic anhydride layer; 6. natural rubber layer; 7. glass flake powder layer; 8. hydrophilic fumed silica layer; 9. trifunctional acrylic layer; 10. ultrafine talcum powder layer; 11. photosensitive layer. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] refer to Figure 1-2 A high-performance photosensitive wet film for LDI includes a photosensitive wet film body 1, a base layer 2 is fixedly installed on one side of the photosensitive wet film body 1, an o-cresol epoxy resin layer 3 is fixedly installed on one side of the base layer 2, an inhibitor layer 4 is fixedly installed on one side of the o-cresol epoxy resin layer 3, the inhibitor layer 4 is convenient for making the base layer 2 and the fluorophthalic anhydride layer 5 difficult to polymerize, a fluorophthalic anhydride layer 5 is fixedly installed on one side of the inhibitor layer 4, the fluorophthalic anhydride layer 5 is convenient for making the product have a certain heat resistance effect, a natural rubber layer 6 is fixedly installed on one side of the fluorophthalic anhydride layer 5, the natural rubber layer 6 is convenient for making the curing time of the product shorter, and the natural rubber layer 6 A glass flake powder layer 7 is fixedly installed on one side, and the glass flake powder layer 7 makes it difficult for the product to age. A hydrophilic vapor phase silica layer 8 is fixedly installed on one side of the glass flake powder layer 7; the hydrophilic vapor phase silica layer 8 makes it difficult for the device to be corroded. As a further improvement of the above scheme, a trifunctional acrylic layer 9 is fixedly installed on one side of the hydrophilic vapor phase silica layer 8, and the trifunctional acrylic layer 9 makes the product more resistant to dilute acid. An ultrafine talcum powder layer 10 is fixedly installed on one side of the trifunctional acrylic layer 9, and a photosensitive layer 11 is fixedly installed on one side of the ultrafine talcum powder layer 10.
[0022] As a further improvement of the above scheme, the thickness of the o-cresol epoxy resin layer 3 is 1-2 nanometers, and the thickness of the inhibitor layer 4 is 2-3 nanometers; the thickness of the o-cresol epoxy resin layer 3 and the inhibitor layer 4 are made thinner, so that the o-cresol epoxy resin layer 3 and the inhibitor layer 4 are more tightly connected; as a further improvement of the above scheme, the thickness of the fluorophthalic anhydride layer 5 is 1-2 nanometers, and the thickness of the natural rubber layer 6 is 2-3 nanometers.
[0023] As a further improvement of the above scheme, the material of the natural rubber layer 6 is rubber material, and the material of the glass flake powder layer 7 is glass flake powder; the glass flake powder layer 7 makes the product better resistant to dilute acid and weak alkali; as a further improvement of the above scheme, the thickness of the hydrophilic gas-phase silica layer 8 is 1-2 nanometers, and the thickness of the trifunctional acrylic acid layer 9 is 3-4 nanometers; so that the device has a certain heat-resistant effect; as a further improvement of the above scheme, the material of the ultrafine talcum powder layer 10 is ultrafine talcum powder, the thickness of the ultrafine talcum powder layer 10 is 1-2 nanometers, and the thickness of the photosensitive layer 11 is 1-2 nanometers.
[0024] The implementation principle of a high-performance photosensitive wet film for LDI in the embodiment of the present application is as follows: after curing, the photosensitive wet film body 1 has an exposure enhancement effect on the laser, and the photosensitive wet film body 1 has ultra-high sensitivity and fast curing effect. The o-cresol epoxy resin layer 3 and the inhibitor layer 4 make the device have better rubbish resistance, so that the product is not easy to deform after being rubbed. The trifunctional acrylic layer 9 makes the product resistant to dilute acid. The glass flake powder layer 7 makes the product anti-aging and less likely to produce chemical reactions during use. The ultrafine talcum powder layer 10 makes the product more tough. The photosensitive layer 11 makes the product have better photosensitivity. The natural rubber layer 6 and the hydrophilic vapor-phase silica layer 8 make the product have better heat resistance.
[0025] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0026] The above is a detailed introduction to a high-performance LDI photosensitive wet film provided by the utility model. This article uses specific embodiments to explain the principle and implementation method of the utility model. The description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. A high-performance photosensitive wet film for LDI, characterized in that: include: A photosensitive wet film body (1), wherein a base layer (2) is fixedly installed on one side of the photosensitive wet film body (1), an o-cresol epoxy resin layer (3) is fixedly installed on one side of the base layer (2), an inhibitor layer (4) is fixedly installed on one side of the o-cresol epoxy resin layer (3), a fluorophthalic anhydride layer (5) is fixedly installed on one side of the inhibitor layer (4), a natural rubber layer (6) is fixedly installed on one side of the fluorophthalic anhydride layer (5), a glass flake powder layer (7) is fixedly installed on one side of the natural rubber layer (6), and a hydrophilic vapor-phase silica layer (8) is fixedly installed on one side of the glass flake powder layer (7).
2. A high-performance LDI photosensitive wet film according to claim 1, characterized in that: A trifunctional acrylic layer (9) is fixedly mounted on one side of the hydrophilic fumed silica layer (8), an ultrafine talcum powder layer (10) is fixedly mounted on one side of the trifunctional acrylic layer (9), and a photosensitive layer (11) is fixedly mounted on one side of the ultrafine talcum powder layer (10).
3. A high-performance LDI photosensitive wet film according to claim 1, characterized in that: The thickness of the o-cresol epoxy resin layer (3) is 1-2 nanometers, and the thickness of the polymerization inhibitor layer (4) is 2-3 nanometers.
4. A high-performance LDI photosensitive wet film according to claim 1, characterized in that: The thickness of the fluorophthalic anhydride layer (5) is 1-2 nanometers, and the thickness of the natural rubber layer (6) is 2-3 nanometers.
5. The high-performance LDI photosensitive wet film according to claim 1, characterized in that: The material of the natural rubber layer (6) is rubber material, and the material of the glass flake powder layer (7) is glass flake powder.
6. A high-performance LDI photosensitive wet film according to claim 2, characterized in that: The thickness of the hydrophilic fumed silica layer (8) is 1-2 nanometers, and the thickness of the trifunctional acrylic acid layer (9) is 3-4 nanometers.
7. A high-performance LDI photosensitive wet film according to claim 2, characterized in that: The material of the ultrafine talc powder layer (10) is ultrafine talc powder, the thickness of the ultrafine talc powder layer (10) is 1-2 nanometers, and the thickness of the photosensitive layer (11) is 1-2 nanometers.