X-ray or gamma ray systems or devices – Beam control – Window
Patent
1993-01-14
1994-05-31
Porta, David P.
X-ray or gamma ray systems or devices
Beam control
Window
378140, 252587, 252588, G21K 100
Patent
active
053176189
ABSTRACT:
A light transmission type vacuum separating window for separating a vacuum area into a plurality of vacuum areas through a film that transmits the light of a wavelength area such as an X-ray area and an infrared ray area. This vacuum separating window includes a thin film that transmits the light. The vacuum area is separated into the plurality of vacuum areas through this thin film. The light is any one of an X-ray, an infrared ray, a visible ray and an ultraviolet ray. A metal or an alloy that turns out a liquid in a range of temperature of a using environment may be provided between the thin film and the support member for supporting the thin film. This metal is preferably gallium. The alloy preferably contains gallium and, more preferably, consists of 75.5 weight % gallium and 24.5 weight % indium.
REFERENCES:
patent: 4398152 (1983-08-01), Leveson
patent: 4862490 (1989-08-01), Karnezos et al.
patent: 5031199 (1991-07-01), Cole, III et al.
patent: 5134640 (1992-07-01), Hirokawa et al.
Rosser, Feder, Adams, Celliers & Speer "Nondestructive Single-shot Soft X-ray Lithography . . . " Applied Optics, Oct. 1, 1987.
Kosaka Nobuyuki
Koshinaka Masao
Nakahara Takehiko
Mitsubishi Denki & Kabushiki Kaisha
Porta David P.
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