Title: Cathode ray tube fabricating process

Abstract: A process for fabricating cathode ray tubes having an envelope which contains an electron gun assembly and unwanted water vapor includes the steps of loading the cathode ray tube onto an exhaust machine, heating the cathode ray tube to an internal temperature greater than the condensation temperature of the water vapor during evacuation, and evacuating the water vapor from the envelope.

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Inventors: Benda, David (Geneva, NY, US)
Reigel, Franklin G. (Waterloo, NY, US)

Application Number: 790499
Filing Date: 1977-04-25
Publication_date: 1978-02-14
Assignee: GTE Sylvania Incorporated (Stamford, CT)
Primary Class(es): 445/40 445/45
Other Classes:
US Patent Ref:

2903319	Sep, 1959	Kuryla et al.	316/18.
3712700	Jan, 1973	Sommer	316/18.
3978563	Sep, 1976	Schol et al.	29/25.

Other Refs:
Primary Examiner: Lazarus, Richard B.
Assistant Examiner:
Attorney: O'Malley; Norman J., Buffton; Thomas H., Orner; Robert T.