Automatic exchanger of an electron beam irradiator for window fo

Details Automatic exchanger of an electron beam irradiator for window fo Automatic exchanger of an electron beam irradiator for window fo

1988-05-17

1990-09-25

Howell, Janice A.

Radiant energy

Irradiation of objects or material

Ion or electron beam irradiation

2505031, 2505051, 2504921, 313420, H01J 3304

Patent

active

049595504

ABSTRACT:
A roller-type automatic foil exchanger for supplying a foil beneath a window in a flange of a surface of a vacuum container of an electron beam irradiator includes a foil feed roller having foil wound thereon and a foil take-up reel for winding foil thereon. The foil is supported on a foil holder beneath the window and between the flange and the foil holder. A winding motor rotates the take-up reel to wind foil thereon and to unwind foil from the foil feed roller. A plurality of clamper members are provided to clamp the foil holder to the flange with the foil therebetween.

REFERENCES:
patent: 3193717 (1965-07-01), Nunan
patent: 3440466 (1969-04-01), Colvin et al.
patent: 3499141 (1970-03-01), Kingsley et al.
patent: 4112307 (1978-09-01), Foll et al.
patent: 4286166 (1981-08-01), Glukhikh et al.
patent: 4631444 (1986-12-01), Cheever
patent: 4642467 (1987-02-01), Yamawaki et al.
patent: 4734586 (1988-03-01), Crist et al.
patent: 4785254 (1988-11-01), Cruz et al.
patent: 4829190 (1989-05-01), Okamoto et al.
"A Vacuum-to-Air Interface for the Advanced Test Accelerator Director", Cruz et al., Lawrence Livermore National Lab, UCRL-94686--Preprint, Jun. 27, 1986.

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