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Title:
A manufacturing method of a laser light source device and a laser light source device
Document Type and Number:
Japanese Patent JP6173303
Kind Code:
B2
Abstract:
The present invention is a laser light source device having: a silicon substrate having a first flat surface and a second flat surface which is formed at a position lower than the first flat surface by a level difference in the thickness direction; a first junction having a microbump structure comprising Au formed on the first flat surface; a second junction having a microbump structure comprising Au formed on the second flat surface; a first optical element and a second optical element for emitting laser light, which are joined to the first junction by a surface activation technique; a reflective member for reflecting the laser light from the first optical element toward a multiplexer, the reflective member being joined to the second junction by the abovementioned technique; and a multiplexer for directly receiving the laser light from the second optical element and multiplexing the laser light from the first optical element and the laser light from the second optical element, the multiplexer being joined to the second junction by the abovementioned technique; a configuration being adopted whereby the distance between the first optical element and the reflective member is different from the distance between the second optical element and the multiplexer, and the length of the optical path from the first optical element to the multiplexer is equal to the length of the optical path from the second optical element to the multiplexer.

Inventors:
Masashi Ide
Takeo Omiyama
Yoda Kaoru
Application Number:
JP2014507674A
Publication Date:
August 02, 2017
Filing Date:
March 14, 2013
Export Citation:
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Assignee:
CITIZEN WATCH CO.,LTD.
International Classes:
H01S5/022
Domestic Patent References:
JP2008219015A
JP2011091396A
JP2002203329A
JP57068098A
JP2004241096A
JP2011109002A
JP2011257580A
JP4111381A
JP2010197864A
JP2003198031A
JP201128099A
JP763943A
JP2007135123A
Foreign References:
WO2011040290A1
WO2011048667A1
WO2012014798A1
Attorney, Agent or Firm:
Aoki Atsushi
Jun Tsuruta
Tomohiro Nanzan
Akira Kawai
Kenichi Nakamura