Glass powder and silver paste comprising same
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United States of America Patent
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Oct 17, 2023
Grant Date -
Jun 8, 2023
app pub date -
Nov 30, 2020
filing date -
Aug 26, 2020
priority date (Note) -
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Abstract
A glass powder is a glass powder comprising vanadium-tellurium-silver, which has a softening temperature of 230-330° C. and a median particle size of 1-2 μm; when the glass powder is applied to the silver paste, the requirement that the silver paste is sintered at the temperature of 230-400° C. can be met, and a firm three-dimensional network structure can be formed in the glass system after the silver paste is sintered, and the welding tension of a front silver electrode can be improved; the addition of other metal elements to the glass powder can enable the network structure of the glass powder to be more compact and complete and ensure the stability of the glass powder; the prepared silver paste can be sintered at a temperature of 230-400° C.
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