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:
Sep. 22, 2020
Filed:
May. 29, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Kazushige Kawasaki, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A semiconductor device according to the present invention includes a substrate, a semiconductor laser that is provided on an upper surface of the substrate and emits laser light, a waveguide having a first conductive layer provided on the upper surface of the substrate, and a waveguide layer that is provided on the first conductive layer and guides the laser light and an embedment layer provided on the upper surface of the substrate and surrounding the semiconductor laser and the waveguide, wherein on both sides of an end part, of the waveguide, which is connected to the semiconductor laser, an exposed part is provided in which the substrate is exposed from the embedment layer by the embedment layer separated in a waveguide direction of the waveguide, and in the end part, a separation region is provided in which the first conductive layer is separated in the waveguide direction.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile