Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Physical developing
Patent
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.
Fujimura Takashi
Hayashi Nobuyasu
Kokabu Misao
Nakamura Hitoshi
Hitachi , Ltd.
Hitachi Device Engineering & Co., Ltd.
Mathews A. A.
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