Thick film resistor circuits

H - Electricity – 01 – C

Patent

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H01C 17/06 (2006.01) H01C 17/28 (2006.01) H01L 21/70 (2006.01) H05K 1/16 (2006.01) H05K 1/09 (2006.01)

Patent

CA 1200296

- 9 - THICK FILM RESISTOR CIRCUITS Abstract A method of forming thick film resistor circuits whereby a non-noble metal. such as copper, requiring a reducing atmosphere is included with resistor material requiring an oxidizing atmosphere. A fritless conductor paste with a small percentage of silver is deposited and fired in air at a low temperature. Resistors are then deposited and fired in air. Subsequently, the conductor material is reduced at a sufficiently low temperature so as not to adversely affect the resistors.

446471

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