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:
Jun. 06, 1989
Filed:
Jan. 22, 1988
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 52 ; 357 2315 ; 357 41 ;
Abstract
A semiconductor device is provided having as an insulating oxide film a silicon oxide film containing a metal, such as iron or chromium, of an average concentration of 1.times.10.sup.16 atoms/cm.sup.3 to 1.times.10.sup.19 atoms/cm.sup.3 which can be readily trapped therein.
Hiratsuka, Hachiro. (1989). Insulation film for a semiconductor device (U.S. Patent No. 4837610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4837610
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile