Circuit-forming substrate and circuit substrate

Details Circuit-forming substrate and circuit substrate Circuit-forming substrate and circuit substrate

1996-04-16

2000-09-12

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

4302831, 4302731, 4302761, 4302771, 430311, 430 18, 428577, 428603, 428660, 428606, 428674, 428209, 428458, G03F 709, B32B 1508

Patent

active

061176168

ABSTRACT:
There are provided a circuit-forming substrate comprising a long stainless steel foil having formed on one surface or both surfaces thereof a polyimide resin layer wholly or partially, and a circuit substrate formed by using the circuit-forming substrate, wherein a conductor layer is finely patterned on the circuit-forming substrate. The circuit-forming substrate sufficiently satisfies low cost, high density and high reliability, scarcely causes warping of the substrate itself, and has excellent workability.

REFERENCES:
patent: 4906803 (1990-03-01), Albrechta et al.
patent: 5145553 (1992-09-01), Albrechta et al.
patent: 5338826 (1994-08-01), St Clair

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