Ceramic carrier and sensor element, heating element and sensor module, each with a ceramic carrier and method for manufacturing a ceramic carrier

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United States of America

PATENT NO 10529470
APP PUB NO 20170110225A1
SERIAL NO

15129288

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Importance

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Abstract

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An Al2O3 carrier has a thin-film structure of platinum or a platinum alloy arranged thereon. The carrier and/or the thin-film structure are adapted to reduce mechanical stresses owing to different thermal expansion coefficients. The carrier and/or the thin-film structure include a surface of the carrier in the region of the thin-film structure is smoothed at least in sections to reduce the adhesion and/or a surface of the carrier has an intermediate layer on which the thin-film structure is arranged. The thermal expansion coefficient of the intermediate layer is from 8*10−6/K to 16*10−6/K, in particular from 8.5*10−6/K to 14*10−6/K, and/or the thin-film structure has at least one conductor path that is undular at least in sections, said conductor path extends laterally along the surface of the carrier.

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Patent Owner(s)

Patent OwnerAddress
HERAEUS NEXENSOS GMBH63450 HANAU

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dietmann, Stefan Alzenau, DE 27 173
Fleckenstein, Alfred Heinrichsthal, DE 1 1
Loose, Thomas Linsengericht, DE 8 55
Teusch, Dieter Bruchköbel, DE 6 41

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