Hello to All,
I'm looking for some anti wetting agent for copper-alloy surfaces. Agent which will reduce surafce wetting by epoxy resin.
I would be very thankfull for any suggestions or reference...!
Thanks.
Thank you for the response Blakmax.
Do you recommend baking the polyimide adherent before bonding?
Isn't it enough to b-stage the epoxy coating before bonding and c-staging? Or should I perform the b-staging in vacuum?
Thanks.
Hello to All,
I'm having difficulties with bonding epoxy resin coated polyimide to other polyimide substrate.
The defect is local separations between those two surfaces (after heat press c-staging).
I'd like to mention that those separations appears as small air bubbles (under optical...
