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:
Apr. 19, 2011
Filed:
Apr. 25, 2008
Kunio Takeuchi, Joyo, JP;
Yasumitsu Kunoh, Hirakata, JP;
Masayuki Hata, Kadoma, JP;
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
A semiconductor laser diode element includes a semiconductor laser diode portion including a ridge portion extending in a first direction in which a cavity extends, a groove formed along the ridge portion and a support portion formed along the groove on a side farther from the ridge portion and holding the groove between the support portion and the ridge portion and a support substrate bonded to the semiconductor laser diode portion through a fusion layer, wherein the fusion layer is formed so as to be embedded in the groove, a space from the ridge portion to the support substrate and a space from the support portion to the support substrate.