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. 10, 1991
Filed:
Oct. 10, 1989
Applicant:
Inventors:
Masakazu Uekita, Hyogo, JP;
Hiroshi Awaji, Hyogo, JP;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357-6 ; 357 2315 ;
Abstract
An electric-electronic device including a polyimide thin film is disclosed, said polyimide thin film having a thickness of not more than 1000 .ANG. and a dielectric breakdown strength of not less than 1.times.10.sup.6 V/cm. The device has excellent performance properties ascribed to high heat resistance, mechanical strength, chemical resistance and insulating properties of the polyimide thin film.