Method of providing electrical contact to a semiconductor cathod

Details Method of providing electrical contact to a semiconductor cathod Method of providing electrical contact to a semiconductor cathod

1987-09-14

1989-02-21

Ramsey, Kenneth J.

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

437182, 437916, 437357, 437 30, H01J 902

Patent

active

048068187

ABSTRACT:
A contact for a semiconductor cathode is produced by thermally bonding leads consisting of one of the metals Ag, Au, Cu and one of the metals Ta, Ti, V. Such a contact does not exhibit degradation when the cathode, after mounting in a vacuum tube, is heated several times to approximately 850.degree. C. for cleaning purposes.

REFERENCES:
patent: 4286373 (1981-09-01), Gutierrez et al.
patent: 4717855 (1988-01-01), Zwier et al.

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