X-ray fluoroscopic apparatus

Details X-ray fluoroscopic apparatus X-ray fluoroscopic apparatus

2005-08-02

2005-08-02

Ho, Allen C. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

C378S042000, C378S055000, C378S189000, C378S190000, C378S205000, C378S208000

Reexamination Certificate

active

06925148

ABSTRACT:
X- and y-axis moving mechanisms are provided for positioning a sample table in the x-axis and the y-axis directions. A yT-axis moving mechanism for moving those moving mechanisms in a direction along a tilting direction of a X-ray camera is provided separately from the x- and y-axes moving mechanisms. When the X-ray camera is tilted, the sample table is moved by the yt axis moving mechanism and a z-axis moving mechanism, whereby a viewpoint of the sample and a fluoroscopic magnification factor set before the X-ray camera is tilted are left unchanged. The coordinates on the sample table by the moving mechanisms before the X-ray camera is tilted can be used as they are even after the camera is tilted.

REFERENCES:
patent: 4024403 (1977-05-01), Bernstein et al.
patent: 5493594 (1996-02-01), Hamada et al.
patent: 6155713 (2000-12-01), Watanabe
patent: 6325537 (2001-12-01), Watanabe
patent: 2001-249086 (2001-09-01), None

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