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. 20, 1993
Filed:
Aug. 20, 1991
Applicant:
Inventor:
Hideo Kosaka, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01S / ;
U.S. Cl.
CPC ...
257 85 ; 257184 ; 257436 ; 372 45 ; 372 99 ; 372102 ;
Abstract
A VC-VSTEP has a pnpn structure, and comprises first and second mirror structures, and an intermediate structure provided between the first and second mirror structures. The intermediate structure comprises an active and light absorption layer of multi-quantum well layers, and is set to have a thickness which is n times of an oscillation wavelength in a medium, where n is an integer.
Quick Actions:
Kosaka, Hideo. (1993). Vertical cavity type vertical to surface transmission electrophotonic (U.S. Patent No. 5229627). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5229627
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile