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:
Sep. 30, 2003
Filed:
Jun. 26, 2000
Applicant:
Inventors:
Hiroshi Itatani, Yokohama, JP;
Shunichi Matsumoto, Kamakura, JP;
Assignee:
PI R&D Co., Ltd., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/004 ;
U.S. Cl.
CPC ...
G03F 7/004 ;
Abstract
A photosensitive polyimide composition which is soluble in an organic solvent, which is excellent in adhesiveness, heat resistance, mechanical properties and flexibility, which shows the property of highly sensitive positive-type photoresist that is soluble in alkali upon irradiation with light is disclosed. The polyimide composition of the present invention contains a photoacid generator and a solvent-soluble polyimide which shows positive-type photosensitivity in the presence of said photoacid generator.