System and method for manufacturing x-ray tubes having glass env

Details System and method for manufacturing x-ray tubes having glass env System and method for manufacturing x-ray tubes having glass env

1995-12-22

1998-03-03

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With testing or adjusting

445 28, 445 43, 65 34, 65 5925, 228 151, 2282341, 2282623, H01J 926, H01J 940

Patent

active

057228680

ABSTRACT:
Systems and methods are disclosed for exhausting and combined exhausting and seasoning of x-ray tubes having glass envelopes for high performance x-ray system having a rotating anode therein. The system and methods include providing a glass tubulation having a diameter greater than about 20 mm; then operatively connecting the glass tubulation to the x-ray tube glass envelope; providing a metal disk inside the glass tubulation, the metal disk having a smaller diameter than the glass tubulation, providing a vacuum to the glass tubulation; heating the anode of the x-ray tube to a temperature inside the x-ray tube envelope of about 1500.degree. C.; positioning a heater on the outside of the glass tubulation; positioning the metal disk inside the glass tubulation proximate the position of the heater on the outside of the glass tubulation; heating the metal disk to a sufficient temperature to provide for contact between the glass tubulation and the metal sealing disk; and checking for sealing contact between the glass tubulation and the metal disk thereby sealing the glass tubulation/metal disk envelope connection.

REFERENCES:
patent: 1489099 (1924-04-01), Reynolds
patent: 1915361 (1933-06-01), Gustin
patent: 2946641 (1960-07-01), Wisner
patent: 4578043 (1986-03-01), Teshima et al.
patent: 5598966 (1997-02-01), Romano et al.

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