The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 04, 1994
Filed:
Jun. 01, 1992
Applicant:
Inventors:
Tripunithura V Jayaraman, East Greenwich, RI (US);
David J Brzozowy, Lincoln, RI (US);
Assignee:
OCG Microelectronic Materials, Inc., Cheshire, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ; G03F / ; G03C / ;
U.S. Cl.
CPC ...
430165 ; 430191 ; 430192 ; 430193 ; 430272 ; 430275 ; 430277 ; 430278 ;
Abstract
A radiation-sensitive composition comprising an admixture in a solvent of: at least one alkali-soluble binder resin, at least one photoactive compound and an effective absorbance increasing amount of BLANKOPHOR FBW actinic dye; the amount of said binder resin being about 60 to 95% by weight, the amount of said photoactive component being about 5% to about 40% by weight, based on the total solids content of said radiation-sensitive composition.