X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2005-12-27
2005-12-27
Glick, Edward J. (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C378S119000, C378S137000
Reexamination Certificate
active
06980628
ABSTRACT:
A slotted window collector assembly for an x-ray tube having an anode and a cathode includes a collector having an anode side and a cathode side, which opposes the anode side. The anode side and the cathode side define an internal bore there between for receiving x-rays from the anode. The slotted collector further includes a window side common to both the anode side and the cathode side and having a window coupled thereto, wherein a window aperture is defined extending from the window to the internal bore. Within the collector assembly, a slot is defined intersecting the window aperture and extending trans-axially thereto and beyond a set length. The slot also extends circumferentially with the window such that plastic strain on the window and heat transferred to the window are reduced.
REFERENCES:
patent: 4731804 (1988-03-01), Jenkins
patent: 5535255 (1996-07-01), Gabbay
patent: 5689542 (1997-11-01), Lavering et al.
patent: 6215852 (2001-04-01), Rogers et al.
patent: 6301332 (2001-10-01), Rogers et al.
patent: 6714626 (2004-03-01), Subraya
Derakhshan Mark
Hebert Michael Scott
Hockersmith Ron Kent
Wang Liqin
General Electric Company
Glick Edward J.
Keaney Elizabeth
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