Preparation method of polymer material filter

A polymer material and filter technology, which is applied in waveguide devices, metal material coating technology, liquid chemical plating, etc., can solve the problem of large filter structure and consumption, limiting the development of filter products, and difficulty in realizing complex structures, etc. problem, to achieve the effect of easy automatic operation, solving machining process and saving production cost

Inactive Publication Date: 2020-11-10
SHANGHAI ALLIED PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing filters are generally made of aluminum alloy, ceramics and other materials, which are not only heavy, not conducive to installation, disassembly and transportation, but also due to the high processing cost of metal or ceramics, the processing procedures are cumbersome, the cycle is long, and it is difficult to realize complex structures. requirements, leading to high cost of filters and difficulty in meeting the requirements of 5G base stations for filter structure and large usage, which severely limits the development of filter products

Method used

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  • Preparation method of polymer material filter

Examples

Experimental program
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Effect test

Embodiment 1

[0016] A preparation method of a polymer material filter, the specific preparation method comprising the following steps:

[0017] Step 1: After the PEI+45%GF material is baked and melted, it is injected into the mold to form a filter;

[0018] Step 2: roughening the surface of the filter substrate obtained by the injection molding process and pre-plating treatment;

[0019] Step 3: cleaning the surface of the roughened substrate by electroless nickel plating;

[0020] Step 4: Electroplate copper after cleaning the nickel-plated substrate,

[0021] Step 5: Electroplate silver on the surface of the substrate after electroplating copper,

[0022] Step 6: Clean and dry the substrate surface after silver plating, and finally make the filter.

Embodiment 2

[0024] A preparation method of a polymer material filter, the specific preparation method comprising the following steps:

[0025] Step 1: After the PET+50% GF material is baked and melted, it is injected into the mold to form a filter;

[0026] Step 2: roughening the surface of the filter substrate obtained by the injection molding process and pre-plating treatment;

[0027] Step 3: cleaning the surface of the roughened substrate by electroless nickel plating;

[0028] Step 4: Electroplate copper after cleaning the nickel-plated substrate,

[0029] Step 5: Electroplate silver on the surface of the substrate after electroplating copper,

[0030] Step 6: Clean and dry the substrate surface after silver plating, and finally make the filter.

Embodiment 3

[0032] A preparation method of a polymer material filter, the specific preparation method comprising the following steps:

[0033] Step 1: After the PPS+60% (GF+MD) material is baked and melted, it is injected into a mold to form a filter;

[0034] Step 2: roughening the surface of the filter substrate obtained by the injection molding process and pre-plating treatment;

[0035] Step 3: cleaning the surface of the roughened substrate by electroless nickel plating;

[0036] Step 4: Electroplate copper after cleaning the nickel-plated substrate,

[0037] Step 5: Electroplate silver on the surface of the substrate after electroplating copper,

[0038] Step 6: Clean and dry the substrate surface after silver plating, and finally make the filter.

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Abstract

The invention discloses a preparation method of a polymer material filter, which comprises the following steps of: 1, manufacturing a filter substrate by using thermoplastic plastics in an injection molding or compression molding manner; 2, performing surface coating treatment on the filter substrate to enable the surface of the filter substrate to be covered with a metal coating to form the filter. The manufacturing process is simple, the forming period is short, the production efficiency is high, automatic operation is easy to achieve, the machining adaptability is high, the size between batches is stable, and the product weight is light.

Description

technical field [0001] The invention relates to the technical field of filter preparation, in particular to a method for preparing a polymer material filter. Background technique [0002] With the substantial increase in the number of 5G antenna channels and the integration of antennas and RRUs into AAUs, the size of the filter has been greatly reduced in the new 5G macro base station, but there will be more than 30 filters in the macro base station. Existing filters are generally made of aluminum alloy, ceramics and other materials, which are not only heavy, not conducive to installation, disassembly and transportation, but also due to the high processing cost of metal or ceramics, the processing procedures are cumbersome, the cycle is long, and it is difficult to realize complex structures. Requirements lead to high cost of filters and it is difficult to meet the needs of 5G base stations for large filter structures and usage, which severely limits the development of filte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/06C08L67/02C08L81/02C08L61/16C08L79/02C08K7/14H01P1/20C23C18/32C23C18/38C23C18/42B29C45/77B29C45/78
CPCC08J7/06H01P1/20C23C18/32C23C18/38C23C18/42B29C45/77B29C45/78C08J2367/02C08J2381/02C08J2361/16C08J2379/02C08K7/14B29C2945/76531B29C2945/76498B29C2945/76595
Inventor 夏旭文程亚东唐荣政
Owner SHANGHAI ALLIED PLASTIC IND
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