Bobbin for a magnetic sensor

Details Bobbin for a magnetic sensor Bobbin for a magnetic sensor

1987-01-27

1989-04-25

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

By magnetic means

29606, 324253, 336213, 336221, G01V 326, G01R 3304, H01F 304, H01F 1706

Patent

active

048251666

ABSTRACT:
A magnetometer sensor is described for a borehole survey. The magnetometer features a bobbin made from a metal alloy such as copper-nickel, which has a very low magnetic permeability, on the order of 1.0001, which can be joined to a magnetic metal alloy, such as Permalloy, by welding, which can be treated by annealing at a temperature of 1500 degrees Fahrenheit and which has a thermal coefficient of expansion generally on the order of the magnetic alloy. In one particular embodiment, the magnetometer sensor comprises a strip of magnetic metal alloy wrapped around the aforesaid bobbin to define a magnetic core, one excitation winding wrapped around the core, a plastic frame for carrying the magnetic core and excitation winding and at least one sense winding wrapped around the frame, the core and the excitation winding.

REFERENCES:
patent: 2963670 (1960-12-01), Spencer et al.
patent: 3018455 (1962-01-01), Brandon, Jr. et al.
patent: 3148346 (1964-09-01), Goethe et al.
patent: 3253911 (1966-05-01), Cairns
patent: 3403329 (1968-09-01), Geyger
patent: 3434047 (1969-03-01), Brickner
patent: 3453531 (1969-07-01), Warren
patent: 3721400 (1973-03-01), Weissman
patent: 3728106 (1973-04-01), Badia et al.
patent: 3873913 (1975-03-01), Obenschain
patent: 3982431 (1976-09-01), Grosso et al.
patent: 4013945 (1977-03-01), Grosso
patent: 4068164 (1978-01-01), Schwartz et al.
patent: 4110689 (1978-08-01), Schonstedt
patent: 4181014 (1980-01-01), Zuvela et al.
patent: 4323848 (1982-04-01), Kuckes
patent: 4447776 (1984-05-01), Brown
patent: 4536710 (1985-08-01), Dunham
patent: 4612167 (1986-09-01), Watanabe et al.
patent: 4616424 (1986-10-01), Arakawa et al.
patent: 4633248 (1986-12-01), Small
patent: 4636763 (1987-01-01), Nabstedt et al.
patent: 4677381 (1987-06-01), Geerlings

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