Mechanically indexed mask stretching apparatus

Details Mechanically indexed mask stretching apparatus Mechanically indexed mask stretching apparatus

1990-10-29

1992-07-07

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Apparatus

Assembly means

29448, 269 34, H01J 920, H01J 900

Patent

active

051278669

ABSTRACT:
Method and apparatus are disclosed for tensioning uniform foil shadow masks by clamping the edges of a mask and moving the clamps through a preselected fixed displacement, thereby obviating the need for extensive controls on the tensioning process.

REFERENCES:
patent: 3331242 (1967-07-01), Schwarz et al.
patent: 3579718 (1969-05-01), Miller et al.
patent: 4382343 (1983-05-01), Chahanian
patent: 4558809 (1985-12-01), Schoen

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