Precoat for improving platinum thin film adhesion

Details Precoat for improving platinum thin film adhesion Precoat for improving platinum thin film adhesion

1988-05-09

1989-07-25

Roy, Upendra

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428636, 428670, 428678, B32B 1500

Patent

active

048513008

ABSTRACT:
A thin film noble metal temperature sensor includes adjacent layers of metals and metal oxides on the surface of a component. The most preferred sequence of layers are: a NiCoCrAlY layer applied directly to the component surface; a thermally grown aluminum oxide layer on the NiCoCrAly layer; a sputtered layer of aluminum oxide on the thermally grown layer of aluminum oxide; a FeCrAl layer on the sputtered aluminum oxide layer; and layer of platinum and platinum-rhodium on the FeCrAl layer.

REFERENCES:
patent: 3890456 (1975-06-01), Dils
patent: 3928026 (1975-12-01), Hecht et al.
patent: 4123595 (1978-10-01), Chang
patent: 4321311 (1982-03-01), Strangman
patent: 4399199 (1983-08-01), McGill et al.
patent: 4402447 (1983-09-01), Przybyszewski et al.
patent: 4477538 (1984-10-01), Clarke
patent: 4569889 (1986-02-01), Przybyszewski et al.

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