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:
May. 17, 2016
Filed:
Nov. 19, 2012
Sumitomo Electric Industries, Ltd., Osaka-shi, Osaka, JP;
Tomokazu Katsuyama, Yokohama, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Abstract
An integrated semiconductor device includes a substrate including first, second and third portions; a first waveguide provided on the first portion, the first waveguide including a first base portion containing a first core layer, and a first ridge portion provided on the first base portion; a second waveguide provided on the second portion, the second waveguide including a second base portion containing a second core layer and a second ridge portion provided on the second base portion; and a third waveguide provided on the third portion, the third waveguide including a stripe-shaped mesa containing a third core layer. The second base portion is connected to the first base portion. The second ridge portion is connected to the first ridge portion and the stripe-shaped mesa. The second core layer is formed integrally with the third core layer and is joined to the first core layer by a butt-joint method.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile