Title of Invention | "A PROCESS FOR PREPARING A GLASS COMPOSITION FOR USE IN A SILVER PASTE" |
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Abstract | This invention relates to a process for preparing glass composition for use in a silver paste comprising of silver powder, binder dissolved in a vehicle, glass frit added thereto, wherein the binder used is 5-10 wt % of ethyl cellulose, vehicle used is made from 40-50% B-terpineol, 20-30% Butyl Cellosolve, 15-25% Butyl Carbitol Acetate, 5-15% Butyl Lactate and the glass frits used is made from 70-90% Bismuth oxide, 5-15% Boron trioxide, 5-15% Cadmium oxide. |
Full Text | WE CLAIM 1. A process for preparing glass composition for use in a silver paste comprising of silver powder, binder dissolved in a vehicle, glass frit added thereto, wherein the binder used is 5-10 wt % of ethyl cellulose, vehicle used is made from 40-50% B-terpineol, 20-30% Butyl Cellosolve, 15-25% Butyl Carbitol Acetate, 5- 15% Butyl Lactate and the glass frits used is made from 70-90% Bismuth oxide, 5-15% Boron trioxide, 5-15% Cadmium oxide. 2. The process for preparing glass composition for use in a silver paste as claimed in claim 1 wherein said silver powder is present in an amount of 70-90% of the total inorganic constituents. 3. The process for preparing glass composition for use in a silver paste as claimed in claim 1 wherein the glass frits are present in an amount of 10-30% of the total inorganic constituents. 4. A process for preparing glass composition for use in a silver paste substantially as herein described and illustrated. |
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784-del-1999-correspondence-others.pdf
784-del-1999-correspondence-po.pdf
description (complete)0784-del-1999-25-05-1999.pdf
Patent Number | 243733 | ||||||||||||||||||
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Indian Patent Application Number | 784/DEL/1999 | ||||||||||||||||||
PG Journal Number | 45/2010 | ||||||||||||||||||
Publication Date | 05-Nov-2010 | ||||||||||||||||||
Grant Date | 02-Nov-2010 | ||||||||||||||||||
Date of Filing | 25-May-1999 | ||||||||||||||||||
Name of Patentee | THE SECRETARY, DEPARTMENT OF ELECTRONICS, GOVERNMENT OF INDIA | ||||||||||||||||||
Applicant Address | ELECTRONICS NIKETAN (GROUND FLOOR), 6, CGO COMPLEX, LODHI ROAD, NEW DELHI-110 003, INDIA. | ||||||||||||||||||
Inventors:
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PCT International Classification Number | C03C 3/00 | ||||||||||||||||||
PCT International Application Number | N/A | ||||||||||||||||||
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PCT Conventions:
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