Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Electron or ion source
Patent
1989-03-30
1991-05-21
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Discharge device load with fluent material supply to the...
Electron or ion source
324460, 417 49, H01J 4112
Patent
active
050178369
ABSTRACT:
An improved electronic device allows for the feeding of an ion pump with a plurality of voltages that are changed as a function of the current drawn by the pump and therefore of the pressure value within the pump.
REFERENCES:
patent: 3186632 (1965-06-01), Connor
patent: 3429501 (1969-02-01), Hamilton et al.
patent: 4713619 (1987-12-01), Busso et al.
Audi Mauro
Busso Mario
LaRoche Eugene R.
Miller Austin R.
Varian S.p.A.
Yoo Do H.
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