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. 24, 1976
Filed:
May. 14, 1974
Applicant:
Inventors:
Takeshi Matsushita, Sagamihara, JA;
Yoshiyuki Kawana, Atsugi, JA;
Assignee:
Sony Corporation, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 48 ; 357 46 ; 357 52 ; 357 59 ; 357 91 ;
Abstract
A semiconductor integrated circuit, in which an isolation region with one conductivity type and a plurality of island regions with another conductivity type separated by the isolation region are provided, is disclosed. In this case, a high resistance polycrystalline semiconductor layer is formed to cover whole of a surface portion of a PN-junction formed between the isolation region and the island regions.