Extreme ultraviolet light generation apparatus

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United States of America Patent

PATENT NO 9986629
SERIAL NO

15017000

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Abstract

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An extreme ultraviolet light generation apparatus may include: a chamber including a plasma generation region to which a target is supplied, the target being turned into plasma so that extreme ultraviolet light is generated in the chamber; a target supply part configured to supply the target to the plasma generation region by outputting the target as a droplet into the chamber; a droplet detector configured to detect the droplet traveling from the target supply part to the plasma generation region; an imaging part configured to capture an image of an imaging region containing the plasma generation region in the chamber; and a controller configured to control an imaging timing at which the imaging part captures the image of the imaging region, based on a detection timing at which the droplet detector detects the droplet.

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Patent Owner(s)

Patent OwnerAddress
GIGAPHOTON INCTOCHIGI COUNTY JAPAN TOCHIGI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Tamotsu Oyama, JP 53 878
Suzuki, Toru Oyama, JP 255 2765
Wakabayashi, Osamu Oyama, JP 394 4239
Yanagida, Tatsuya Oyama, JP 54 674

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