High frequency, large current, switch including a pressure-actua

Details High frequency, large current, switch including a pressure-actua High frequency, large current, switch including a pressure-actua

1991-01-17

1992-02-11

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Diaphragm

73729, 200 83N, H01H 3532

Patent

active

050878000

ABSTRACT:
The invention concerns an on-off switch (1) for high-frequency currents. This switch (1) comprises a housing (2) made of an electrically non-conducting plastic and sealed at both its upper and its lower sides by electrically conducting contact parts (3,4). A metal bellows (14) is present in the housing (2) and is connected at one end to one of the contact parts, (4) and at its other end to a contact head (25). Using compressed air, the contact head (25) can be moved to make contact with the other contact part (3) or be removed away from it.

REFERENCES:
patent: 2697764 (1954-12-01), Burlingham
patent: 2794087 (1957-05-01), Jennings et al.
patent: 2997671 (1961-08-01), Rueggeberg
patent: 3046369 (1962-07-01), Hicks
patent: 3532842 (1970-10-01), Fohrhaltz
patent: 3904842 (1975-09-01), Gauer
patent: 3950628 (1976-04-01), Hruda
patent: 4207137 (1980-06-01), Tretola
patent: 4633213 (1986-12-01), Venena
patent: 4697643 (1987-10-01), Sassier
W. van den Hoek et al., "Power Loss Mechanisms in Radio Frequency Dry Etching Systems", J. Vac. Sci. Technol. B 5 May/Jun. 1987, pp. 647-651.
F. Vratny, "Deposition of Tantalum and Tantalum Oxide by Superimposed RF and D-C Sputtering", J. Electrochem Soc. Solid-State Science (May 1967), pp. 505-508.

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