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:
Nov. 13, 2018
Filed:
Feb. 05, 2018
Sumitomo Electric Industries, Ltd., Osaka, JP;
Yuji Koyama, Kamakura, JP;
Masaki Yanagisawa, Yokohama, JP;
Yukihiro Tsuji, Tama, JP;
Hirohiko Kobayashi, Machida, JP;
Hiroyuki Yoshinaga, Yokohama, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
A surface emitting semiconductor laser includes a post disposed on a substrate, the post including an active layer and a distributed Bragg reflector; a first insulating layer disposed on side and top surfaces of the post and on the substrate, the first insulating layer having an opening on the top surface of the post; an electrode disposed in the opening of the first insulating layer; an electric conductor including a pad electrode on the first insulating layer, the electric conductor extending on the first insulating layer to the electrode; and a second insulating layer disposed on the first insulating layer, the electrode, and the electric conductor so as to cover the electrode in the opening of the first insulating layer, the second insulating layer having an opening on the pad electrode, the opening of the second insulating layer having an edge on a top surface of the pad electrode.