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. 03, 1997
Filed:
Jun. 06, 1994
Applicant:
Inventor:
Hidemi Takasu, Kyoto, JP;
Assignee:
Rohm Co., Ltd., Kyoto-fu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
438311 ; 438410 ; 438481 ; 438355 ;
Abstract
One NPN or PNP transistor is formed on a Si single crystal island having a crystal orientation which is the same as that of a Si substrate and formed into an island shape through an insulation and separation layer on the Si substrate so as to form a semiconductor apparatus which has no parasitic junctions.