Method of securing a conductor to a ceramic PTC

Details Method of securing a conductor to a ceramic PTC Method of securing a conductor to a ceramic PTC

1992-08-06

1993-06-08

Ramsey, Kenneth J.

Metal fusion bonding

Process

With protecting of work or filler or applying flux

148 23, 228122, B23K 120

Patent

active

052171574

ABSTRACT:
The invention provides a method of soldering a conductor on to a ceramic resistor body having a positive temperature coefficient, said method employing a soldering flux which is free of organic compounds having a high molecular weight. Preferably, the soldering flux comprises an aqueous solution of zinc chloride and hydrazine hydrochloride. The inventive method reduces the risk of explosion of soldered PTCs.

REFERENCES:
patent: 4342606 (1982-08-01), Notton
patent: 4738732 (1988-04-01), Anderson et al.
patent: 4895606 (1990-01-01), Jafri

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