X-ray or gamma ray systems or devices – Beam control – Window
Patent
1991-08-01
1992-10-27
Church, Craig E.
X-ray or gamma ray systems or devices
Beam control
Window
378 34, G21K 100
Patent
active
051596210
ABSTRACT:
An X-ray transmitting window for use in X-ray lithography, for allowing transmission therethrough of X-rays from a vacuum ambience to a different ambience, includes an X-ray transmitting film, and a gasket material gas-tightly provided on at least one of opposite surfaces in a peripheral portion of the X-ray transmitting film. The gasket material has a Brinell hardness smaller than that of the X-ray transmitting film. The formed X-ray transmitting window is able to be sandwiched and fastened between a pair of flanges in a gas-tight manner.
Amemiya Mitsuaki
Ebinuma Ryuichi
Fukuda Yasuaki
Mizusawa Nobutoshi
Uzawa Shunichi
Canon Kabushiki Kaisha
Church Craig E.
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