Hello Streelakshmi.
Doesn't NaBH4 also reduce copper?
You can make up a dilute solution and reduce any oxide back
to the ground state?
If you want to send me a piece, I'll try it in my lab.
I work with NaBH4 everyday.
Let me know, and good luck.
Jim
-----Original Message-----
From: Sreelakshmi Yenamandra [mailto:[email protected]]
Sent: Thursday, January 22, 2004 4:04 PM
To: [email protected]
Subject: [mems-talk] electrolessly deposited copper protection
Dear All,
I am working on electrolessly deposited copper films on polymer substrates.
After the deposition, I have to protect the copper structures from
oxidation. I know of annealing process but it requires high temperatures
which the polymer substrate might not withstand. Is there any chemical
process by which the copper lines/structures can be protected, without a
change in copper characteristics. Please suggest.
Sincerely,
Sreelakshmi Yenamandra
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