Apparatus for measuring weak magnetic fields having superconduct

Details Apparatus for measuring weak magnetic fields having superconduct Apparatus for measuring weak magnetic fields having superconduct

1986-04-22

1988-03-22

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Magnetic

Magnetometers

307306, H03K 338, G01R 3302

Patent

active

047331801

ABSTRACT:
Between a SQUID array having contact pads and a gradiometer array there is a multiplicity of superconducting connections. The superconducting connections contain a contact comb which comprises flat, substantially U-shaped, at least partially superconducting spring contacts which are electrically insulated from each other and combined with their flat sides parallel to each other and perpendicularly to the surface of the contact pads to form a packet. One leg of the spring contacts is provided with a projection which is intended as a pressure contact for one of the contact pads of the SQUID array and a further leg is associated with a pressure plate, the force of which is directed parallel to the flat side of the spring contact and perpendicularly to the surface of the contact pads. An adjusting block permits a simple adjustment of the projections on the contact pads of the SQUID array via a projection of a middle leg of the spring contact.

REFERENCES:
patent: 3631380 (1971-12-01), Bohn
Bondarenko et al., "A Planar Thin Film SQUID" Cryogenics, May 1983, vol. 23, No. 5, pp 263-264.
Rev. Sci. Instrum. 53 (12), Dec. 1982, pp 1815-1845, Physica 107B, (1981), pp. 29-30.
IEEE Trans. on Mag., Vol. Mag 17, No. 1, Jan. 1981, pp. 400-403.
IBM Technical Discl. Bulletin, vol. 25, No. 3B, Aug. 1982, pp. 1701-1702.

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