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. 19, 2010
Filed:
Sep. 11, 2001
Hiroshi Itatani, Yokohama, JP;
Shunichi Matsumoto, Kamakura, JP;
Hiroshi Itatani, Yokohama, JP;
Shunichi Matsumoto, Kamakura, JP;
PI R&D Co., Ltd., Yokohama-shi, JP;
Abstract
Disclosed is a composition of a negative-type photosensitive polyimide which is solvent soluble, which is excellent in adhesiveness, heat resistance, mechanical properties and in flexibility, which shows characteristics of alkali-soluble highly sensitive negative-type photoresist upon irradiation with light, The composition according to the present invention comprises a photo radical initiator and a solvent-soluble polyimide which shows negative-type photosensitivity in the presence of the photo radical initiator.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile