Method of manufacturing voltage nonlinear resistance elements

Details Method of manufacturing voltage nonlinear resistance elements Method of manufacturing voltage nonlinear resistance elements

1986-12-19

1988-08-30

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 64, C04B 3550

Patent

active

047675829

ABSTRACT:
A method of manufacturing a voltage nonlinear resistance element comprising the steps of providing a mixture of main component ZnO and auxiliary components of at least a rare earth element, Co and B in a mold, placing the mold in a sheath box having openings in the surfaces thereof, and baking the mold in the sheath box. The preferred ratio of the area of the openings in the sheath box to the total surface area of the sheath box is 10-90% to produce the voltage nonlinear resistance elements having favorable long wave tail surge withstanding data and an acceptable ratio of a voltage developed across the terminals of the element when a current of 1 mA flows in the element.

REFERENCES:
patent: 4094061 (1978-06-01), Gupta et al.

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