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:
Aug. 14, 1984
Filed:
Jun. 25, 1982
Toshitaka Fukushima, Yokohama, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A semiconductor device includes therein a plurality of semiconductor elements. First passive isolation regions are formed along the buried layer and second passive isolation regions are formed perpendicularly along the buried layer, enclosing each of the semiconductor elements, additional passive isolation regions are provided at the end portions of the second passive isolation regions wherever the first and second passive isolation regions merge. The additional passive isolation regions are deeper than the second passive isolation regions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile