Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Aqueous silica compositions for polishing silicon wafers

Aqueous silica compositions for polishing silicon wafers

US Patent 4588421 · Granted May 13, 1986

Estimated economic value: $2,181,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Monitoring of rolling oil emulsions1999
Composition for reducing or eliminating static charge in adhesive film1996
Sprayable adhesive for gypsy moth pheromone beads1994
Low sodium, low metals silica polishing slurries1993
Antiskid paper with enhanced friction retention1990
Cleaning of silicon wafers with an aqueous solution of KOH and a nitrogen-contai1990
Lapping slurry compositions with improved lap rate1989
Lubricating fluids for slicing silicon ingots1989
Concentrated lapping slurries1988
Prevention of silica migration in thermal insulation with water-soluble salts of1985
Oil-dispersible antimony oxide sol dispersed as an oil in water emulsion into a 1984
Preparation of a ferric acetate coated silica sol by selective anion exchange1984