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MEMSnet Home: MEMS-Talk: Hf resistant Adhesion layer for Au on Si
Hf resistant Adhesion layer for Au on Si
2008-04-03
Heiko Prüßner
2008-04-03
Morrison, Richard H., Jr.
2008-04-03
Ruiz, Marcos Daniel (SENCOE)
2008-04-03
Brent Garber
2008-04-04
Michael Larsson
2008-04-09
Heiko Prüßner
2008-04-09
Shay Kaplan
2008-04-09
Jesse D Fowler
Hf resistant Adhesion layer for Au on Si
Heiko Prüßner
2008-04-03
Dear all,

I had a 20nmCr/ 200nmAu film sputtert on silicon. This setup has been treated at
350°C for an hour. At the final Hf etching step which I used to remove the
BOX of an SOI wafer the Au film peeled of.

Does anybody have an explanation? Do I need a diffusion barrier between the Cr
and the Au? Or has anyone a suggestion for another adhesion layer?

Kind regrads,
Heiko

Micromotive GmbH
Carl-Zeiss-Str. 18-20
55129 Mainz, Germany
Tel.: +49 6131 62780-10
Fax.: + 49 6131 62780-15

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