Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent
1980-09-02
1982-06-29
McCarthy, Helen M.
Electric lamp and discharge devices
Cathode ray tube
Envelope
501 60, 501 62, 501 64, 501 69, 501 70, 501 71, 501 72, C03C 310, H01J 3100
Patent
active
043374107
ABSTRACT:
Glass compositions which are suitable for making face-plates of cathode-ray tubes used for displaying television pictures, particularly for displaying color television pictures. A problem in formulating such glasses is to obtain glasses which can be worked satisfactorily and which do not discolor significantly as a result of electron bombardment and X-ray irradiation. The glass compositions consist of the following constituents in the following quantities (expressed in % by weight):
REFERENCES:
patent: 3725710 (1973-04-01), de Gier et al.
patent: 3925089 (1975-12-01), Houben
patent: 3987330 (1976-10-01), Shell
patent: 4015966 (1977-04-01), Weaver
patent: 4065317 (1977-12-01), Baak et al.
patent: 4277286 (1981-07-01), Boyd
Ploeger Marinus
Spoor Wilhelmus J.
Van Der Geer Josephus J.
van der Steen Gerardus H. A. M.
Van Pelt Willem
Kraus Robert J.
McCarthy Helen M.
U.S. Philips Corporation
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