Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1975-10-23
1976-08-03
Segal, Robert
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313470, H01J 2930, H01J 2907
Patent
active
039731600
ABSTRACT:
A shadow mask tube having phosphor regions with negative tolerance, and the intermediate spaces between the phosphor regions on the face plate being devoid of usual light-absorbing material and the aluminum layer.
REFERENCES:
patent: 3146368 (1964-08-01), Fiore et al.
Geenen Constant Joseph Maria
Schuil Roelof Egbert
Berka George B.
Segal Robert
Trifari Frank R.
U.S. Philips Corporation
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