Invention Grant
- Patent Title: Surface emitting laser and image forming apparatus
- Patent Title (中): 表面发射激光和成像装置
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Application No.: US13413910Application Date: 2012-03-07
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Publication No.: US08625649B2Publication Date: 2014-01-07
- Inventor: Mitsuhiro Ikuta , Aihiko Numata
- Applicant: Mitsuhiro Ikuta , Aihiko Numata
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2011-058124 20110316
- Main IPC: H01S5/00
- IPC: H01S5/00 ; H01S3/20
Abstract:
A surface emitting laser includes a stepped structure having a step between a first region and a second region, the stepped structure provided in an emission area located in an upper portion of the upper mirror. The surface emitting laser includes a light shielding member provided in a third region between the first region and the second region. The light shielding member is not provided in a portion of the first region and a portion of the second region.
Public/Granted literature
- US20120237261A1 SURFACE EMITTING LASER AND IMAGE FORMING APPARATUS Public/Granted day:2012-09-20
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