Wire fed flash evaporation source

Details Wire fed flash evaporation source Wire fed flash evaporation source

1975-02-03

1976-07-20

Albritton, C. L.

Electric heating

Heating devices

Resistive element: igniter type

118 49, 118 491, 219273, F22B 128

Patent

active

039708209

ABSTRACT:
A unique device for flash evaporating a material within a vacuum chamber. The device includes a pair of electrodes one of which is grounded and the other of which is connected to a power supply and a resistively heated boat which forms the electrical path between the two electrodes. A wire feed assembly which serves to feed wire onto the boat is supported adjacent the boat and adjacent the two electrodes. A single stream of coolant liquid is passed internally through the grounded electrode, the non-grounded electrode and the support, while each of these is maintained in electrical isolation from one another.

REFERENCES:
patent: 2664853 (1954-01-01), Schuler
patent: 3058842 (1962-10-01), Kahan et al.
patent: 3086496 (1963-04-01), Strong
patent: 3336154 (1967-08-01), Oberg et al.

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