Cathode-ray tube

Details Cathode-ray tube Cathode-ray tube

1969-02-17

1977-12-27

Lechert, Jr., Stephen J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313468, 252478, H01J 3100

Patent

active

040656977

ABSTRACT:
A cathode-ray tube, such as a color television tube, formed from a glass containing up to 20 percent by weight of strontium oxide as an essential ingredient thereof, which tube has imparted thereto improved X-ray absorbing properties without any material increase in the X-ray and electron browning of the glass.

REFERENCES:
patent: 3382393 (1968-05-01), Schwartz
patent: 3461078 (1969-08-01), Veres
patent: 3464932 (1969-09-01), Connelly et al.

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