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:
Jun. 01, 1993
Filed:
Mar. 17, 1992
Applicant:
Inventors:
Peter A Agostino, Canaan, NY (US);
Adolph Herbst, Peekskill, NY (US);
Frederick M Pressman, Norwalk, CT (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430270 ; 525480 ; 525506 ; 528 25 ; 528 29 ; 522166 ;
Abstract
Reaction products of organosilane compounds and a novolac resin having phenolic groups are capable of generating either positive or negative tone patterns depending on the time and temperature of processing. Particular photosensitive materials contemplated have the following chemical formula: ##STR1##