High-temperature-resistant and high-humidity-resistant metal elastic sheet conductive film
By introducing high-temperature resistant film and high-humidity resistant film into the metal shrapnel conductive film and combining it with a polyurethane anti-corrosion layer, the performance problem of the metal shrapnel conductive film in high-temperature and high-humidity environments is solved, achieving a longer service life and anti-corrosion effect.
Patent Information
- Application Number
- CN202422845042.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-21
AI Technical Summary
The existing metal dome conductive film does not fully consider the high temperature and high humidity resistance structure, which leads to performance degradation, possible damage and short service life.
A combined structure of pot patches, PET film, high-temperature resistant film, high-humidity resistant film and polyurethane anti-corrosion layer is adopted. The high-temperature and high-humidity resistance performance is enhanced by arranging high-temperature resistant films above and below the PET film, and arranging high-humidity resistant film and polyurethane anti-corrosion layer on one side of the high-temperature resistant film.
The high temperature and high humidity resistance of the metal shrapnel conductive film is improved, the service life is extended, corrosion is prevented, and it is convenient for long-term use.
Smart Images

Figure CN223413868U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of metal shrapnel conductive films, in particular to a high-temperature and high-humidity resistant metal shrapnel conductive film. Background Art
[0002] Metal dome conductive film is a PET adhesive film containing metal domes. The working principle of the metal dome conductive film is that when the conductive part of the metal dome on the PCB / FPC board is pressed, the center point of the dome is sunken and contacts the circuit on the PCB, thus forming a circuit and allowing current to flow, allowing the entire product to operate normally.
[0003] However, the current metal shrapnel conductive film still has some shortcomings. The existing metal shrapnel conductive film has not been fully considered in terms of high temperature and high humidity resistance structure. During the use of the metal shrapnel conductive film, if the metal shrapnel conductive film has not been fully considered in terms of high temperature and high humidity resistance structure, the performance of the metal shrapnel conductive film may be affected, which is inconvenient for staff to use the metal shrapnel conductive film for a long time, may cause damage to the metal shrapnel conductive film, and is inconvenient for staff to use the metal shrapnel conductive film.
[0004] Therefore, it is urgent to improve this shortcoming. The present invention is to study and improve the existing structure and shortcomings, and provide a high temperature and high humidity resistant metal spring conductive film. Summary of the Invention
[0005] The purpose of the present invention is to provide a high-temperature and high-humidity resistant metal spring conductive film to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a high-temperature and high-humidity resistant metal spring conductive film, comprising a pot patch and a polyurethane anti-corrosion layer, a PET film is provided on the outside of the pot patch, and a high-temperature resistant film is provided above and below the PET film, and a high-humidity resistant film is provided on one side of the high-temperature resistant film, the polyurethane anti-corrosion layer is provided on one side of the high-humidity resistant film, and a polyurethane waterproof coating is provided on one surface of the polyurethane anti-corrosion layer.
[0007] Furthermore, the pot patch is arranged inside the PET film, and the surface of the pot patch is tightly adhered to the PET film.
[0008] Furthermore, the high temperature resistant film is a polycarbonate structure, and the high temperature resistant film is tightly adhered to the upper and lower surfaces of the PET film.
[0009] Furthermore, the high-humidity resistant film is a carbon fiber structure, and the high-humidity resistant film is tightly adhered to the surface of the high-temperature resistant film.
[0010] Furthermore, the upper and lower sides of the high-humidity resistant film are respectively formed by a high-temperature resistant film and a polyurethane anti-corrosion layer, and the high-humidity resistant film is confined between the high-temperature resistant film and the polyurethane anti-corrosion layer.
[0011] Furthermore, the outer side of the polyurethane waterproof coating is flush with the outer side of the polyurethane anti-corrosion layer, and the polyurethane anti-corrosion layer is tightly attached to the surface of the polyurethane waterproof coating.
[0012] The utility model provides a high temperature and high humidity resistant metal spring conductive film, which has the following beneficial effects:
[0013] 1. The utility model is provided with a high-temperature resistant film and a high-humidity resistant film. In the process of using the metal shrapnel conductive film, a high-temperature resistant film is arranged on the upper and lower parts of the PET film, and a high-humidity resistant film is arranged on one side of the high-temperature resistant film. The high-temperature resistant film is a polycarbonate structure, and the high-humidity resistant film is a carbon fiber structure. The high-temperature resistant film and the high-humidity resistant film are used to perform high-temperature and high-humidity resistance treatment on the metal shrapnel conductive film, and the metal shrapnel conductive film is protected to a certain extent, so that the metal shrapnel conductive film has the performance of high-temperature and high-humidity resistance, extends the service life of the metal shrapnel conductive film, and facilitates the use of the metal shrapnel conductive film by the staff.
[0014] 2. The utility model is provided with a polyurethane anti-corrosion layer. During the use of the metal shrapnel conductive film, the polyurethane anti-corrosion layer is provided on one side of the high-humidity resistant film, and the metal shrapnel conductive film is treated with the polyurethane anti-corrosion layer to avoid corrosion during subsequent use, thereby extending the service life of the metal shrapnel conductive film and facilitating the use of the metal shrapnel conductive film by the staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a high-temperature and high-humidity resistant metal spring conductive film of the present invention;
[0016] Figure 2 This is a schematic cross-sectional view of the three-dimensional structure of a high-temperature and high-humidity resistant metal spring conductive film of the present invention;
[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of a PET film-polyurethane waterproof coating with a high-temperature and high-humidity resistant metal shrapnel conductive film of the utility model.
[0018] In the picture: 1. Pot patch; 2. PET film; 3. High temperature resistant film; 4. High humidity resistant film; 5. Polyurethane anti-corrosion layer; 6. Polyurethane waterproof coating. DETAILED DESCRIPTION
[0019] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0020] like Figure 1-Figure 3 As shown, a high-temperature and high-humidity resistant metal shrapnel conductive film includes a pot patch 1 and a polyurethane anti-corrosion layer 5. A PET film 2 is provided on the outside of the pot patch 1, and the pot patch 1 is provided inside the PET film 2. The surface of the pot patch 1 is tightly adhered to the PET film 2, and a high-temperature resistant film 3 is provided above and below the PET film 2. The high-temperature resistant film 3 is a polycarbonate structure, and the high-temperature resistant film 3 is tightly adhered to the upper and lower surfaces of the PET film 2, and a high-humidity resistant film 4 is provided on one side of the high-temperature resistant film 3. The high-humidity resistant film 4 is a carbon fiber structure, and the high-humidity resistant film 4 is tightly adhered to the surface of the high-temperature resistant film 3. The metal shrapnel conductive film is treated to be resistant to high temperature and high humidity, and the metal shrapnel conductive film is protected to a certain extent, so that the metal shrapnel conductive film has high-temperature and high-humidity resistance, which is convenient for the staff to use the metal shrapnel conductive film.
[0021] like Figure 1-Figure 3 As shown, the polyurethane anti-corrosion layer 5 is arranged on one side of the high-humidity resistant film 4, and the upper and lower sides of the high-humidity resistant film 4 are the high-temperature resistant film 3 and the polyurethane anti-corrosion layer 5 respectively, and the high-humidity resistant film 4 is confined between the high-temperature resistant film 3 and the polyurethane anti-corrosion layer 5, and a polyurethane waterproof coating 6 is provided on one side of the polyurethane anti-corrosion layer 5. The outer side of the polyurethane waterproof coating 6 is flush with the outer side of the polyurethane anti-corrosion layer 5, and the polyurethane anti-corrosion layer 5 is tightly attached to the surface of the polyurethane waterproof coating 6, performing anti-corrosion treatment on the metal shrapnel conductive film to avoid corrosion during subsequent use, making it convenient for the staff to use the metal shrapnel conductive film.
[0022] In summary, the high temperature and high humidity resistant metal shrapnel conductive film, according to Figure 1-Figure 3 As shown in the structure, in the process of using the metal shrapnel conductive film, first, the staff will tightly adhere the pot patch 1 to the inside of the PET film 2, and tightly adhere the high-temperature resistant film 3 on the upper and lower sides of the PET film 2, and tightly adhere the high-humidity resistant film 4 to the surface of the high-temperature resistant film 3, and set a polyurethane anti-corrosion layer 5 on the outside of the high-humidity resistant film 4, and a polyurethane waterproof coating 6 on one side of the polyurethane anti-corrosion layer 5, so that the metal shrapnel conductive film has good performance and is convenient for the staff to use the metal shrapnel conductive film.
[0023] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.
Claims
1. A high temperature and high humidity resistant metal shrapnel conductive film, comprising a pot patch (1) and a polyurethane anti-corrosion layer (5), characterized in that: A PET film (2) is provided on the outside of the pot patch (1), and a high-temperature resistant film (3) is provided above and below the PET film (2), and a high-humidity resistant film (4) is provided on one side of the high-temperature resistant film (3), the polyurethane anti-corrosion layer (5) is provided on one side of the high-humidity resistant film (4), and a polyurethane waterproof coating (6) is provided on one side of the polyurethane anti-corrosion layer (5).
2. The high temperature and high humidity resistant metal spring conductive film according to claim 1, characterized in that: The pot patch (1) is arranged inside the PET film (2), and the surface of the pot patch (1) is tightly adhered to the PET film (2).
3. The high temperature and high humidity resistant metal spring conductive film according to claim 1, characterized in that: The high-temperature resistant film (3) is a polycarbonate structure, and the high-temperature resistant film (3) is tightly adhered to the upper and lower surfaces of the PET film (2).
4. The high temperature and high humidity resistant metal spring conductive film according to claim 1, characterized in that: The high-humidity resistant film (4) is a carbon fiber structure, and the high-humidity resistant film (4) is tightly adhered to the surface of the high-temperature resistant film (3).
5. The high temperature and high humidity resistant metal spring conductive film according to claim 1, characterized in that: The upper and lower sides of the high-humidity resistant film (4) are respectively the high-temperature resistant film (3) and the polyurethane anti-corrosion layer (5), and the high-humidity resistant film (4) is confined between the high-temperature resistant film (3) and the polyurethane anti-corrosion layer (5).
6. The high temperature and high humidity resistant metal spring conductive film according to claim 1, characterized in that: The outer side of the polyurethane waterproof coating (6) is flush with the outer side of the polyurethane anti-corrosion layer (5), and the polyurethane anti-corrosion layer (5) is tightly attached to the surface of the polyurethane waterproof coating (6).