Hermetically sealed metal film resistor

Details Hermetically sealed metal film resistor Hermetically sealed metal film resistor

1986-05-09

1987-07-07

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LD, 338274, B23K 2600

Patent

active

046788905

ABSTRACT:
A heat sensitive electrical component is hermetically sealed within a glass sleeve by focusing a laser beam on the circumferential ends of the glass sleeve which abut the side wall edges of metal end caps on each opposed end of said component. The glass sleeve absorbs sufficient heat from the focused laser beam to avoid damage to the heat sensitive component.

REFERENCES:
patent: 3217088 (1965-11-01), Steierman
patent: 3244559 (1966-04-01), Sivertsen et al.
patent: 3688238 (1972-08-01), Brady et al.
patent: 3934073 (1976-01-01), Ardezzone
patent: 4117589 (1978-10-01), Francis
patent: 4446502 (1984-05-01), Boser
1984 Resistor/Capacitor Data Book, Mepco//Electra Inc., Morristown, N.Y., .COPYRGT.1984, pp. 522ff.

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