Printed wiring board

Details Printed wiring board Printed wiring board

1988-05-09

1990-02-13

Robinson, Ellis P.

Stock material or miscellaneous articles

Sheet including cover or casing

Complete cover or casing

428206, 428208, 428209, 428328, 428403, 428408, 428546, 428570, 428901, B32B 104

Patent

active

049006029

ABSTRACT:
The invention relates to a printed wiring board (7) which includes at least one carbon resistor (3) formed across terminals (2a, 2b) of printed wiring circuit (2). A heat dissipating film layer (4) is formed at least on the carbon resistor (3). Thus, heat produced in the resistor (3) is effectively dissipated.

REFERENCES:
patent: 3211584 (1965-10-01), Ehrreich
patent: 3830656 (1974-08-01), Takenaka et al.
patent: 3846345 (1974-11-01), Mason et al.
patent: 3907717 (1975-09-01), Hebert
patent: 4286250 (1981-08-01), Sacchetti
patent: 4511524 (1985-04-01), Nemeth et al.

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