Method of electroding PTC heaters

Details Method of electroding PTC heaters Method of electroding PTC heaters

1988-10-26

1989-12-12

Reynolds, Bruce A.

Electric heating

Heating devices

With heating unit structure

219505, 219381, 1566591, 156665, H05B 308, H05B 344

Patent

active

048869562

ABSTRACT:
A passaged PTC heater is electroded by hot aluminum spraying. A hot alkaline solution is used to dissolve and remove undesired aluminum that may be coated on the passage walls. However, prior thereto, the aluminum electrode coating is covered with a protective solvent-removable alkaline-resistant resist ink.

REFERENCES:
patent: 2990310 (1961-06-01), Chan
patent: 3927300 (1975-12-01), Wada
patent: 4032752 (1977-06-01), Ohmura
patent: 4292388 (1981-09-01), Ikeda
patent: 4335506 (1982-06-01), Chiu
patent: 4349411 (1982-09-01), Okinaka
patent: 4570046 (1986-02-01), Melanson

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