Radiant energy – Radiant energy generation and sources – With radiation modifying member
Patent
1986-03-06
1988-03-29
Church, Craig E.
Radiant energy
Radiant energy generation and sources
With radiation modifying member
2504423, 313420, H01J 3304
Patent
active
047345861
ABSTRACT:
A self-contained hermetically sealed foil changer for advancing a portion of foil web into a position normal to the path of a high energy particle beam. The path of the beam is defined generally by an aperture plate and cooperating axially movable barrel such that the barrel can be advanced toward the plate thereby positioning a portion of the foil across the beam path and sealing the foil between the barrel and the plate to form a membrane across said beam path. A spooling apparatus contained in the foil changer permits selectively advancing a fresh supply of foil across the beam path without breaking the foil changer seal.
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Crist Charles E.
Ives Harry C.
Leifeste Gordon T.
Miller Robert B.
Berman Jack I.
Chafin James H.
Church Craig E.
Daniel Anne D.
Hightower Judson R.
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