Thin film circuit substrate and process for the manufacture ther

Details Thin film circuit substrate and process for the manufacture ther Thin film circuit substrate and process for the manufacture ther

1994-09-07

2000-08-29

Lam, Cathy F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428458, 428901, 174251, 174258, 174259, B32B 300

Patent

active

061105686

ABSTRACT:
A thin film circuit substrate comprising multilayer conductor layers formed via insulating layers, wherein a signal transmission path in at least one of the conductor layers is embedded in a low dielectric constant insulator, and the low dielectric constant insulator is embedded in an insulator layer with a good adhesiveness. The thin film circuit substrate attains a low dielectric constant, and thus an improved signal propagation velocity, without lowering the interlayer adhesiveness.

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