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Silver conductor paste with strong adhesive force for 5G ceramic dielectric filter

A technology of silver conductor paste and ceramic medium, which is applied in the direction of cable/conductor manufacturing, conductive materials dispersed in non-conductive inorganic materials, electrical components, etc., which can solve the problems of poor electrical performance, filter Q value and insertion loss, Large pulling force and other problems, to achieve the effect of good conductivity, good Q value, low insertion loss

Active Publication Date: 2021-05-18
西安宏星电子浆料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, after the oxide reacts with the filter ceramic, it will affect the Q value and insertion loss of the filter, and there will be problems such as large pulling force, poor Q value and insertion loss, etc.

Method used

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  • Silver conductor paste with strong adhesive force for 5G ceramic dielectric filter
  • Silver conductor paste with strong adhesive force for 5G ceramic dielectric filter

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～5

[0026] The silver conductor paste 100g of embodiment 1~5 is prepared according to the formula in table 1, and concrete preparation method is as follows:

[0027] 1. Weigh and mix dolomite powder and cryolite powder according to the weight ratio of 1:1, heat treat at 160°C for 70 minutes, and then cool to room temperature to obtain a mixture of heat-treated active dolomite powder and cryolite powder with a particle size range of 0.3-1.0 μm .

[0028] 2. Preparation of Ca-B-Si glass powder: make the oxide 13% B by weight 2 o 3 , 42% SiO 2 , 40%CaO, 4%Al 2 o 3 Weigh it in proportion to 1% MgO, mix it well, dry it in an oven at 150°C for 2 hours, then melt it at 1150°C for 2 hours, quench the evenly melted glass with water to obtain coarse glass particles, add it to the ball mill in a polyurethane tank 12 small, and then dried at 125 ° C to obtain Ca-B-Si glass powder with a particle size of 1.0-1.8 μm.

[0029] 3. Preparation of organic carrier: According to the weight perc...

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Abstract

The invention discloses silver conductor paste with strong adhesive force for a 5G ceramic dielectric filter. The silver conductor paste comprises the following components in percentage by weight: 55-70% of spherical silver powder, 6-20% of flake silver powder, 0.5-3% of glass powder, 0.2-2% of a mixture of active dolomite powder and cryolite powder after heat treatment, 8-15% of an organic carrier, 1-5% of a paste modifier and 5-11% of an organic diluent. The dolomite powder and cryolite powder raw materials are subjected to heat treatment to form an active dolomite powder and cryolite powder mixture, the active dolomite powder and cryolite powder mixture is added into the conductive silver paste, the high-adhesive-force silver conductor paste is finally obtained, peeling does not occur at the drawing position, and meanwhile it is tested that weldability is good, and conductivity is excellent. After the silver conductor paste is applied to series 5G ceramic dielectric filter ceramic chips, the leveling property is good, a metallized film layer is flat, the adhesive force is improved, meanwhile, the conductive performance of the paste is considered, the insertion loss of a filter can be effectively reduced, and the filter has a high quality factor.

Description

technical field [0001] The invention belongs to the technical field of silver conductor paste for 5G ceramic dielectric filters, and in particular relates to a silver conductor paste with strong adhesion for 5G ceramic dielectric filters. Background technique [0002] With the development of mobile communication networks, wireless frequency bands have become very dense. Requirements such as miniaturization, low loss, and stable and reliable performance will soon be the mainstream pursuit of 5G communications. 5G ceramic dielectric filters have become mainstream filters in the 5G era due to their small size, low loss, and high Q value. With its excellent performance, it has a wider application space in the field of mobile communication. In order to improve the performance of the ceramic dielectric filter, a layer of silver paste is coated on the surface of the ceramic dielectric filter. Therefore, metallization is one of the key technologies of ceramic dielectric filters, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B1/22H01B1/24H01B13/00
CPCH01B1/22H01B1/24H01B13/00
Inventor 党丽萍鹿宁赵科良王顺顺赵莹王大林王明奎张亚鹏
Owner 西安宏星电子浆料科技股份有限公司
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