Metal working – Method of mechanical manufacture – Electrical device making
Patent
1980-07-10
1982-06-01
Gilden, Leon
Metal working
Method of mechanical manufacture
Electrical device making
338 22R, 338 25, 338308, 374 3, 374185, H01C 702
Patent
active
043320813
ABSTRACT:
A temperature sensor is constructed as a bridge circuit using thick film technology. Both thermistor and resistor thick film inks are applied to a substrate to form a bridge circuit for producing a highly sensitive and accurate indicator when a predetermined temperature has been reached. The resistor thick film circuit is laser scribed at a specific temperature value for greater accuracy.
REFERENCES:
patent: 3512167 (1970-05-01), Weinstein
patent: 3548661 (1970-12-01), Lilly, Jr. et al.
patent: 3673117 (1972-06-01), Schroeder et al.
patent: 3748174 (1973-07-01), Chen et al.
patent: 4006278 (1977-02-01), Pukaite
patent: 4041440 (1977-08-01), Davis et al.
Cannon, Jr. James J.
Gilden Leon
North American Philips Corporation
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