Method for forming universal film resistors

Details Method for forming universal film resistors Method for forming universal film resistors

H - Electricity

01

C

356/121

H01C 7/00 (2006.01) H01C 17/24 (2006.01)

Patent

CA 1116311

ABSTRACT A method for forming a film resistor for hybrid circuit trimmable from 0 ohms to infinite resistance, whereby resistive material is deposited over previously applied conductive material. One edge of the resistor material is flush with one edge of the conductor path and the resistor material extends beyond the opposite side of the conductor path. The resistor is trimmed to value by a laser or mechanically abrading a slot in its center per- pendicular to the conductor by simultaneously removing a portion of both conductor and resistive material.

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