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topic 32646

Plasma Surface Treatment with good shelf life



I've been always under the assumption that plasma treated substrates have very limited shelf-life and best result is achieved when the bonding is done immediately after the plasma or soon after the plasma treatment is complete.

There is a manufacturer of a plasma machines in San Jose, California that claims Teflon substrates treated with their plasma machine using their plasma process will remain bondable even after 4 years of storage. They even claim that there is no loss in surface energy after 4 years! This is very hard for me to believe!

Do you think we are getting a "sales pitch" here? I certainly appreciate your input.


Sal Abtahi
- Los Angeles, California, USA

Ed. note: this letter is on probation, and in danger of being hauled out of public view without notice!  :-)
We would like to help you, Sal, but due to the relative anonymity of the internet, such inquiries usually lead to postings offering abundant praise of the process, and abundant condemnation, and no practical way of knowing the vested interests of the responders. But we'll see how it goes.

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