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:
Jul. 13, 1999
Filed:
Apr. 08, 1997
Applicant:
Inventor:
Yoshiki Sakuma, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438733 ; 438735 ; 438911 ;
Abstract
A method for fabricating a quantum semiconductor device includes the steps of forming an etch pit of a triangular pyramid on a {111}A-oriented principal surface of a substrate having zinc blende structure by a dry etching process, and depositing semiconductor layers forming a quantum structure consecutively on the etch pit.
Sakuma, Yoshiki. (1999). Quantum semiconductor device and a fabrication process thereof (U.S. Patent No. 5922621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5922621
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile