X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2006-01-31
2006-01-31
Ho, Allen C. (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C378S121000
Reexamination Certificate
active
06993116
ABSTRACT:
In an X-ray tube having a metallic vacuum housing containing an anode and a cathode which emits an electron beam proceeding from said cathode to said anode, the metallic vacuum housing is improved by providing several notches into the surface of the metallic vacuum housing.
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Ho Allen C.
Schiff & Hardin LLP
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