X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2006-04-25
2006-04-25
Church, Craig E. (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C378S161000
Reexamination Certificate
active
07035378
ABSTRACT:
The invention relates to X-ray vacuum tubes. To let the X-rays out of the tube, in the case of an X-ray generator tube, when the wall of the tube is made of metal, the invention provides an exit window (50) that is made of pyrolytic graphite. The window preferably has a bell shape and is brazed to a copper collar (60) that is itself brazed to the metal wall (10) of the tube.
REFERENCES:
patent: 1933005 (1933-10-01), Bouwers
patent: 3916200 (1975-10-01), Sparks, Jr. et al.
patent: 4213055 (1980-07-01), Schrijvers et al.
patent: 5659223 (1997-08-01), Goodman
patent: 6567500 (2003-05-01), Rother
patent: 0 723 281 (1996-07-01), None
patent: 0 925 742 (1999-06-01), None
patent: 1 378 909 (1965-03-01), None
Martinez Lilian
Veillet Daniel
Church Craig E.
Lowe Hauptman & Berner LLP
THALES
Yun Jurie
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