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. 09, 2014
Filed:
Jul. 03, 2012
Applicants:
Masahiro Hirayama, Kanagawa, JP;
Tsutomu Abe, Kanagawa, JP;
Inventors:
Masahiro Hirayama, Kanagawa, JP;
Tsutomu Abe, Kanagawa, JP;
Assignee:
Sumitomo Electric Device Innovations, Inc., Yokohama-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/01 (2006.01); G02B 6/12 (2006.01); H03H 7/38 (2006.01); H01S 5/026 (2006.01); G02B 6/42 (2006.01); H01P 5/02 (2006.01);
U.S. Cl.
CPC ...
G02F 1/0121 (2013.01); H01S 5/0265 (2013.01); G02B 6/423 (2013.01); H01S 5/026 (2013.01); H01P 5/02 (2013.01); G02B 6/4246 (2013.01); G02F 1/011 (2013.01);
Abstract
An optical modulation device includes: an optical modulator; an insulating layer; an RC circuit including a resistor and a capacitor connected in series; a bonding wire connected between the optical modulator and the RC circuit; a first metal layer provided on the insulating layer; and a second metal layer that has a width larger than that of the first metal layer and is provided on the insulating layer, the second metal layer being connected with a ground potential and being connected to the RC circuit via the first metal layer.