Thick film varistor and method of making the same

Details Thick film varistor and method of making the same Thick film varistor and method of making the same

1976-07-12

1977-12-20

Albritton, C. L.

Electrical resistors

Resistance value responsive to a condition

Current and/or voltage

29610R, 29613, 29621, 338274, 338308, 338327, 338329, 427103, H01C 710

Patent

active

040644758

ABSTRACT:
A thick film varistor comprises a varistor film sandwiched between a pair of electrodes, one of which is in contact with a cylindrical substrate. Alternatively, the electrodes may be positioned on the same surface of the film--either in contact with the substrate or the surface of the film opposite the substrate. The preferred method of manufacture involves applying a terminating layer to each end of the substrate, forming the varistor film and the electrodes on the substrate in the desired configuration, attaching a lead wire to each end of the substrate in electrical contact with an adjacent terminating layer, and enclosing the varistor film within a conformal coating.

REFERENCES:
patent: 3064070 (1962-11-01), Douglass et al.
patent: 3136973 (1964-06-01), Randolph
patent: 3167451 (1965-01-01), Tierman
patent: 3380936 (1968-04-01), Masuyama et al.
patent: 3725836 (1973-04-01), Wada et al.
patent: 3753198 (1973-08-01), Shimizu
patent: 3760318 (1973-09-01), Masuyama et al.
patent: 3768058 (1973-10-01), Harnden, Jr.
patent: 3808575 (1974-04-01), Brandt

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