Title:
DISCHARGE LAMP
Document Type and Number:
Japanese Patent JP2017224626
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a discharge lamp capable of being adapted to a light source apparatus having a function for cooling a lamp.SOLUTION: A discharge lamp has a first member that is provided to face an end portion on one side in a first direction of a glass member with a light emitting part. The first member includes: a flange part; and a shaft member which is provided on an opposite side to the glass member with respect to the flange part in the first direction and which has an outer shape in a second direction perpendicular to the first direction smaller than the outer shape of the flange part in the second direction. The shaft member includes a fluid path passing through the inside of the shaft member. The fluid path is communicated with a first opening and a second opening which are provided in the surface of the shaft member at different positions in the first direction.SELECTED DRAWING: Figure 8
Inventors:
SHIRASU HIROSHI
AOKI YASUO
KOYAMA MOTOO
KIKUCHI TAKAYUKI
AOKI YASUO
KOYAMA MOTOO
KIKUCHI TAKAYUKI
Application Number:
JP2017153211A
Publication Date:
December 21, 2017
Filing Date:
August 08, 2017
Export Citation:
Assignee:
NIKON CORP
International Classes:
H01J5/50; H01J61/52; F21Y101/00
Domestic Patent References:
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| JP5818043B2 | 2015-11-18 | |||
| JP5553089B2 | 2014-07-16 | |||
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| JP6264427B2 | 2018-01-24 | |||
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Foreign References:
| US5493168A | 1996-02-20 |
Attorney, Agent or Firm:
Fuyuki Nagai
Takao Watanabe
Takao Watanabe
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