Title:
OPTICAL MODULE AND OPTICAL MODULE MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2019035820
Kind Code:
A
Abstract:
To provide an optical module allowing reliability improvement and cost reduction, and an optical module manufacturing method.SOLUTION: An optical module 100 comprises: a mirror unit 40 including a movable mirror part 10; a magnet part 50 generating magnetic field acting on the movable mirror part 10; and a package 60 storing the magnet part 50. The magnet part 50 has a Halbach structure including a first magnet 51 and a second magnet 52. The package 60 includes: a bottom wall part 61 supporting an area 51b of the first magnet 51; a side wall part 62 supporting a lateral face 50s; and a restriction part 63 covering at least part of an area 52a of the second magnet 52 to thereby restrict the movement of the second magnet 52 to a second direction D2. The movable mirror part 10 is arranged in a space SP formed by a top face 50f of the magnet part 50 and the restriction part 63.SELECTED DRAWING: Figure 3
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Inventors:
SUZUKI DAIKI
IWASHINA SHINYA
MORINAGA YUKI
IWASHINA SHINYA
MORINAGA YUKI
Application Number:
JP2017156010A
Publication Date:
March 07, 2019
Filing Date:
August 10, 2017
Export Citation:
Assignee:
HAMAMATSU PHOTONICS KK
International Classes:
G02B26/08; B81B3/00; B81C3/00; G02B26/10
Domestic Patent References:
| JP2015227900A | 2015-12-17 | |||
| JP2017060205A | 2017-03-23 | |||
| JP2016029880A | 2016-03-03 | |||
| JPH08334722A | 1996-12-17 |
Foreign References:
| US20100141366A1 | 2010-06-10 | |||
| US20110169346A1 | 2011-07-14 | |||
| US20130003155A1 | 2013-01-03 | |||
| EP3163352A1 | 2017-05-03 | |||
| US20160105090A1 | 2016-04-14 | |||
| EP1538473A1 | 2005-06-08 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Kenichi Shibayama
Yoshiki Kuroki
Kenichi Shibayama