Hi Joyce

I need to prevent contamination on field by humidity and salt moisture ingress across the SW leads (close 0.04" separation), issue is to have electrical conductivity or intermittence external between leads solder joint.

Regards
Angel


-----Original Message-----
From: Yuan-chia Joyce Koo [mailto:[log in to unmask]] 
Sent: Monday, January 25, 2021 2:13 PM
To: TechNet E-Mail Forum <[log in to unmask]>; Reyes, Angel LAM2 4429 <[log in to unmask]>
Subject: Re: [TN] Conformal coating applied on SMT SW leads recommendation
Importance: High

why your SW got open for conformal coat?  prototype?  module level?
just curious.
jk
On Jan 25, 2021, at 11:26 AM, Reyes, Angel LAM2 4429 wrote:

> Hi all
>
> Any recommendation for conformal coating UV cure to be applied by 
> robot on SMT SW leads, we tried DYMAX EMAX 99003 but did not work 
> material migrate by capillarity inside SW and internal metal contact 
> parts were electrical isolated
>
> Angel Reyes
> 619 661 4429