Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Viscosity stable, essentially gel-free polyamic acid compositions

Viscosity stable, essentially gel-free polyamic acid compositions

US Patent 5115090 · Granted May 19, 1992

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Exposure photolithography methods2016
Developable bottom antireflective coating composition and pattern forming method2015
Removal of alkaline crystal defects in lithographic patterning2015
Developable bottom antireflective coating composition and pattern forming method2015
Photoresist compositions2014
Method and structure for reworking antireflective coating over semiconductor sub2014
Multiple exposure photolithography methods2013
Interconnect structure with an oxygen-doped SiC antireflective coating and metho2013
Method for reworking antireflective coating over semiconductor substrate2012
Multiple exposure photolithography methods and photoresist compositions2012
Wet developable bottom antireflective coating composition and method for use the2012
Photoresists and methods for optical proximity correction2011