Copper embedded ferrite coil arrangement for supplying uniform r

Details Copper embedded ferrite coil arrangement for supplying uniform r Copper embedded ferrite coil arrangement for supplying uniform r

1980-09-29

1983-11-08

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Magnetic information storage element testing

324228, 365 1, G01R 3312, G11C 1908

Patent

active

044145071

ABSTRACT:
A coil arrangement for testing magnetically operative devices comprising means for mounting a magnetically operative device to be tested by an external magnetic field; first and second coil means disposed symmetrically with respect to the place of the device, the coil means functioning to produce an external magnetic field for testing the device; characterized in that the first coil means is embedded within a metallic electrically conductive body for confining the magnetic field lines to a predetermined region.

REFERENCES:
patent: 2810880 (1957-10-01), Buccicone
patent: 2958037 (1960-10-01), Riede et al.
patent: 3362002 (1968-01-01), Sedlak et al.
patent: 3371272 (1968-02-01), Stanton
patent: 3931618 (1976-01-01), Lacey
patent: 3996510 (1976-12-01), Guichard
patent: 4213091 (1980-07-01), Cooper

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