Substrate

Details Substrate Substrate

1993-05-20

1995-10-31

Ryan, Patrick J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428141, 428156, 4283044, 428601, 428604, B32B 900

Patent

active

054627893

ABSTRACT:
A substrate for electronic components has a layer of material covering at least a portion of the substrate. Recesses are formed in a layer of material and located in a pattern relative to each other to form a predetermined temperature distribution across the layer of material. The layer of material can be formed as a resistive film for a heating resistor element. The shape, size and pattern of the recesses are selected to balance the thermal stress across the surface of the layer of material.

REFERENCES:
patent: 4196622 (1980-04-01), Peter
patent: 4783358 (1988-11-01), Ikeda et al.
patent: 4936145 (1990-06-01), Hohenstatt

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