Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent
1980-10-08
1987-01-20
Moore, David K.
Electric lamp and discharge devices
Cathode ray tube
Envelope
313477R, 313480, H01J 3100
Patent
active
046382135
ABSTRACT:
A cathode-ray tube comprising an evacuated envelope including a glass part and an electrically-conductive coating adhered to the glass part. The coating in the form of a patch or stripe consisting essentially of a major weight proportion of metallic silver particles, preferably in the form of flakes, and a minor weight proportion of lithium silicate binder. The electrically-conductive stripe or patch may be used to assure the electrical connection between an electrically-conductive metal body attached to and having a surface contiguous with a surface of the envelope and an electrically-conductive layer supported from that surface. The stripe or patch is applied from an aqueous slurry of silver particles and lithium silicate and is dried to a substantially water-insoluble, abrasion-resistant coating without or with high-temperature baking.
REFERENCES:
patent: 2409514 (1945-01-01), Pratt
patent: 2820166 (1953-01-01), Pinotti
patent: 2950414 (1960-08-01), Ketchpel
patent: 3489966 (1970-01-01), Bradu et al.
patent: 3582978 (1971-06-01), Petersen et al.
patent: 3802757 (1974-04-01), Benda et al.
Bartch Donald W.
Deal Samuel B.
Coughlin Jr. Vincent J.
Irlbeck Dennis H.
Moore David K.
RCA Corporation
Whitacre Eugene M.
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