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. 04, 1998
Filed:
Nov. 26, 1996
Applicant:
Inventors:
Soo Won Lee, Kyoungkido, KR;
Gyu Seog Cho, Kyoungkido, KR;
Tae Jin Kim, Kyoungkido, KR;
Kyung Seok Oh, Kyoungkido, KR;
Assignee:
Hyundai Electronics Industries Co., Ltd., Kyoungkido, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
438 40 ; 372 45 ;
Abstract
The present invention relates to a method for fabricating a semiconductor laser diode in optical communication system, and the present invention uses both an oxide and a nitride pattern as an etch mask instead of the single oxide pattern in order to decrease the under cut of the edge of the oxide pattern.