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. 23, 2001
Filed:
Sep. 12, 1997
Applicant:
Inventors:
Robert David Allen, San Jose, CA (US);
Richard Anthony DiPietro, San Jose, CA (US);
Ratnam Sooriyakumaran, San Jose, CA (US);
Thomas I. Wallow, Union City, CA (US);
Gregory Michael Wallraff, Morgan Hill, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 ;
U.S. Cl.
CPC ...
G03F 7/004 ;
Abstract
The present invention relates to a radiation-sensitive resist composition comprising a radiation-sensitive acid generator and a copolymer binder formed by the reaction of (a) an acrylate or methacrylate monomer having a photogenerated acid cleavable substituent and (b) an acrylate or methacrylate monomer having a polar non photoacid cleavable substituent.