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:
Dec. 29, 1998
Filed:
Sep. 06, 1996
Jacque H Georger, Jr, Holden, MA (US);
Shipley Company, L.L.C., Marlborough, MA (US);
Abstract
The invention provides novel polymers and photoresist compositions that comprise a photoactive component and use such polymers as a resin binder component. The polymers of the invention in general comprise at least one repeating unit that includes a moiety that has a high carbon content, and preferably is an aromatic group. Preferred polymers of the invention comprise at least one repeating unit that includes a moiety that is an extended aromatic ring, or polycyclic aromatic ring system containing 2 or more rings, preferably at least two of the rings being fused, and from about 3 to 8 ring members in each ring. Photoresists of the invention include both positive-acting and negative-acting compositions and contain a resin binder component that comprises the described polymer.