Electricity: measuring and testing – Magnetic – Magnetometers
Patent
1992-07-15
1994-07-12
Strecker, Gerard R.
Electricity: measuring and testing
Magnetic
Magnetometers
296021, 336200, 505846, 505880, 324258, G01R 33035, G01R 33022, H01F 508, H01F 2728
Patent
active
053292294
ABSTRACT:
Superconducting detection coils for a superconducting quantum interference device are foraged on a flexible printed wiring film having a pair of opposed edges. The flexible printed wiring film is capable of being shaped into a cylinder by bringing the opposed edges toward each other. A superconducting wiring pattern is formed on the flexible printed wiring film and has at least one substantially U-shaped wiring portion. The U-shaped wiring portion forms at least two circular wiring patterns when the printed wiring film is shaped into a cylinder by bringing the opposed edges toward each other. The superconducting wiring pattern also has a first and a second electrode portion for connecting the circular wiring patterns to at least one superconducting quantum interference device. A resistor is electrically connected between the electrode portions of the superconducting wiring pattern.
REFERENCES:
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patent: 4639708 (1987-01-01), Weatherly
patent: 4693000 (1987-09-01), Hoenig
patent: 5049818 (1991-09-01), Dossel et al.
Journal of Applied Physics, vol. 42, No. 10, Sep. 1971, N.Y., N.Y., pp. 3682-3684, A. Rosen et al., "Magnetic Records of the Heart's Electrical Activity with a Cryogenic Magnetometer".
Applied Physics Letters, vol. 55, No. 14, Oct. 2, 1989, N.Y., N.Y., pp. 1451-1453, V. Foglietti et al., "Performance of dc SQUIDs with resistively shunted inductance".
Chiba Norio
Nakayama Satoshi
Odawara Akikazu
Yabe Satoru
Adams Bruce L.
Seiko Instruments Inc.
Strecker Gerard R.
Wilks Van C.
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