Exposure apparatus

Details Exposure apparatus Exposure apparatus

1988-07-27

1989-06-20

Mathews, A. A.

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Physical developing

430 23, G03B 4100

Patent

active

048413151

ABSTRACT:
An exposure apparatus of the present invention for forming a fluorescent screen over the inner surface of the panel of a color cathode ray tube has a drive device capable of automatically aligning a short-arc mercury-vapor lamp to hold the position of the center axis within a required exposure accuracy, whereby the position of the arc center of the short-arc mercury-vapor lamp is displaced toward the center axis of the panel to correct arc variations depending upon a lighting period of the short-arc mercury-vapor lamp.

REFERENCES:
patent: 3482495 (1969-12-01), Jameikis
patent: 4206986 (1980-06-01), Kotoyori et al.
patent: 4630909 (1986-12-01), Forker et al.

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