Electric heating – Heating devices – With heating unit structure
Patent
1974-09-27
1976-05-04
Albritton, C. L.
Electric heating
Heating devices
With heating unit structure
29620, 219216, 427126, H05B 316
Patent
active
039550680
ABSTRACT:
A composite comprising a flexible substrate structure including a base and support members projecting therefrom; a network of resistor segments; a conductor network interposed between the resistor network and the base of the substrate structure for cooperating with the projecting support members of the substrate structure to support the resistor segments and for supplying power to the resistor segments; and, a backup board affixed to the substrate on the side thereof opposite the resistor segments. The composite can be used, e.g., as the printing element in thermal print heads. The resistor network can be formed on top of the conductor network by casting the flexible projecting support members on the base between the conductors flush with the outer surfaces of the conductors for supporting the resistor network thereon. Alternatively, the projecting support members and the base can be formed as one piece.
REFERENCES:
patent: 3308528 (1967-03-01), Bullard et al.
patent: 3368919 (1968-02-01), Casale et al.
patent: 3495070 (1970-02-01), Zissen
patent: 3515850 (1970-06-01), Cady, Jr.
Albritton C. L.
Friedman Gilbert H.
Hamann H. Fredrick
Rockwell International Corporation
Weber Jr. G. Donald
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