Device for the input of a nominal value for the impact point of

Details Device for the input of a nominal value for the impact point of Device for the input of a nominal value for the impact point of

1986-10-28

1988-12-13

Anderson, Bruce C.

Radiant energy

With charged particle beam deflection or focussing

With detector

250398, 2504921, 21912123, G01K 108, H01J 314

Patent

active

047913010

ABSTRACT:
The nominal position value for the impact point of an electron beam on a medium located in a crucible is input to a device having a screen on which the contours of the crucible are represented. Light pen means establish a plurality of nominal positions of impact of the electron beam within the represented contours of the crucible.

REFERENCES:
patent: 4020343 (1977-04-01), Shimaya et al.
patent: 4071759 (1978-01-01), Namae
patent: 4105937 (1978-08-01), Tuda et al.
patent: 4523094 (1985-06-01), Rossow
IBM Technical Disclosure Bulletin, "Electro-Optical Cursor Controller", vol. 27, No. 11, Apr. 1985.
IBM Technical Disclosure Bulletin "Position Detection on Static Displays ", vol. 26, No. 3A, Aug., 1983.
Elektronik Informationen Nr. 1-1981, p. 209, Item 023.

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