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Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 11 May 2000 07:33:20 -0700 |
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hi,
thanks for the information. it's always nice to head into meetings with your vendor when you have some sort of clue as to what may be going on.
phil
-----Original Message-----
From: Brian Ellis [mailto:[log in to unmask]]
Sent: Thursday, May 11, 2000 3:19 AM
To: [log in to unmask]
Subject: Re: [TN] soldermask
Probably vesication (myriad minute blisters caused by humidity being attracted from the air to hygroscopic contamination under the mask. Cure: a thorough, controlled cleaning before applying the mask.
Brian
Phil Crepeau wrote:
> hi,
>
> we have some boards with a clear, colorless soldermask that i would guess is lpi. the body of the mask is shot through and through with something that looks a lot like measling (but of course isn't, it just looks a lot like it). any of you all seen anything like this?
>
> phil
>
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