Title:
COOLING DEVICE FOR LASER SHUTTER APPARATUS
Document Type and Number:
WIPO Patent Application WO/2017/017952
Kind Code:
A1
Abstract:
A cooling device for a laser shutter apparatus according to the present disclosure includes a reflection mirror, a mirror block, a driving unit, and an absorber. The reflection mirror reflects laser light. The reflection mirror is provided on the mirror block and disposed so as to be rotatable. The driving unit rotationally drives the mirror block. The absorber receives laser light reflected by the reflection mirror and converts the laser light into heat. The absorber has an inner cylinder having a cone shape and an outer cylinder that fits on the cone shape of the inner cylinder. A spiral rib is provided on the outer side of the cone shape of the inner cylinder, and a predetermined space is provided between the leading end of the rib and a recessed section of the outer cylinder. Cooling water flows through the space.
Inventors:
FUNAI KOHEI
NISHIMURA TETSUJI
NISHIMURA TETSUJI
Application Number:
PCT/JP2016/003464
Publication Date:
February 02, 2017
Filing Date:
July 27, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01S3/04; B23K26/70; H01S3/10
Foreign References:
| JP2010212563A | 2010-09-24 | |||
| JP2000286481A | 2000-10-13 | |||
| JP2005515492A | 2005-05-26 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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