Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1983-06-16
1985-12-03
Kratz, Peter
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
156 89, 428433, 501 14, B32B 1500, B32B 1504
Patent
active
045565988
ABSTRACT:
A flexible porcelain tape (10) is manufactured for application to a metal substrate (50) to produce a porcelainized metal substrate (60, 90, 92). The porcelain tape (10) provides an insulative layer (102) upon which can be applied electrical circuits (110) comprising conductive paths (112) and resistors (116), either before or after the porcelain tape (10) is fired. The porcelain tape comprises glass frit (12) blended with a vehicle (11), with volatile gases removed to effect a predetermined viscosity. The mixture (14) is applied evenly to a flexible plastic carrier (16) and dried. The tape (10) may be rolled up and stored until needed, whereupon the flexible carrier (16) is peeled away either before or after the porcelain mixture layer (18) is cut to desired size and configuration. Single or multiple layers of the mixture layer (18) can be disposed upon a metal substrate (50), the combination laminated, and then fired. The resulting single or multiple layer porcelainized metal substrate (60, 90, 92 ) provides an insulated aluminum, steel, or other metal substrate for supporting electrical circuits thereon.
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Bloom Terry R.
Nespor John F.
CTS Corporation
Flagg Rodger H.
Heitbrink Timothy W.
Kratz Peter
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