Illumination apparatus

Details Illumination apparatus Illumination apparatus

1998-07-17

2000-05-30

Porta, David P.

X-ray or gamma ray systems or devices

Source

378 34, 378120, G21G 400

Patent

active

06069937&

ABSTRACT:
An illumination apparatus for illuminating an object with X-rays. The illumination apparatus has a high illumination efficiency, and the numerical aperture of the X-rays is nearly uniform over an arcuate area, and is independent of the illumination position. The apparatus comprises an excitation energy light generation unit for generating excitation energy light rays and a target member having a curved surface and plurality of X-ray sources formed thereon that emit X-rays when irradiated by the light rays. The apparatus further comprises an illumination optical system that images X-rays from said plurality of X-ray sources onto the object to be illuminated. The target member curved surface may be cylindrical. The target member may also be tape-shaped and provided along the curved surface. Further, the target member may be metallic, particulate, liquid or gas.

REFERENCES:
patent: 5204506 (1993-04-01), Asmus et al.
patent: 5459771 (1995-10-01), Richardson et al.
patent: 5577092 (1996-11-01), Kublak et al.
patent: 5654998 (1997-08-01), Turcu et al.
patent: 5668848 (1997-09-01), Riegar
patent: 5677939 (1997-10-01), Oshino

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