Cathode ray tube and method of making the same

Details Cathode ray tube and method of making the same Cathode ray tube and method of making the same

1995-06-05

1996-09-24

O'Shea, Sandra L.

Electric lamp and discharge devices

Cathode ray tube

Envelope

H01J 3100

Patent

active

055593984

ABSTRACT:
A cathode ray tube having an optically machine-readable coded marking comprising an undercoating layer of heat- and acid-resistant paint, a mark printed with heat-resistant ink on the undercoating layer and an overcoating layer of transparent heat- and acid-resistant paint covering the mark.

REFERENCES:
patent: 4327283 (1982-04-01), Heyman et al.
patent: 4377890 (1983-03-01), Miller
patent: 4515867 (1985-05-01), Bleacher et al.
patent: 4772512 (1988-09-01), Nagafuchi
patent: 4775786 (1988-10-01), Yamano et al.
patent: 4833306 (1989-05-01), Milbrett
patent: 4856670 (1989-08-01), Hang et al.
patent: 5071695 (1991-12-01), Tannenbaum
patent: 5098747 (1992-03-01), Kalchauer
patent: 5214350 (1993-05-01), Remec et al.
patent: 5273798 (1993-12-01), Miner
Patent Abstracts of Japan, vol. 9, No. 220 (E-341) 6 Sep. 1985 & JP-A-60 081 744 (Nippon Denki K.K.) 9 May 1985.

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