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October 2015

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Subject:
From:
Joyce Koo <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Mon, 5 Oct 2015 12:53:17 -0400
Content-Type:
text/plain
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text/plain (119 lines)
flux contamination and other ionic contamination.... wetting
characteristic, etc. etc. etc.
> Now, I understand that there are many solder mask vendors globally.   What
> I am not clear on is why does raw card surface finish impact SM
> performance.   Besides adhesions properties and HDI.   Any comments and/or
> papers out there...
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
> Sent: Friday, October 02, 2015 10:19 AM
> To: [log in to unmask]
> Subject: Re: [TN] Solder mask removal, SMOBC
>
> Yes, and they would have the proper environmental controls and safety
> equipment, etc.
> Even if you attempted to remove it using a conformal coat blaster, you
> still have the safety issues to deal with. You don't want to breathe that
> stuff.
> Excuse me while I go outside for a cigarette.
> Odin
>
> -----Original Message-----
> From: Ed Popielarski [mailto:[log in to unmask]]
> Sent: Friday, October 02, 2015 10:16 AM
> To: TechNet E-Mail Forum; Stadem, Richard D.
> Subject: RE: Solder mask removal, SMOBC
>
> In addition to Richard's sage advice and rationalization is the fact they
> are set up to deal with harsh chemistry like this and probably do so on a
> regular basis.
>
> Ed Popielarski
> Engineering Manager
>
>
> 970 NE 21st Ct.
> Oak Harbor, Wa. 98277
>
> Ph: 360-675-1322
> Fx: 206-624-0695
> Cl: 949-581-6601
>
>
>
> "It's one kind of victory to slay a beast, move a mountain, and cross a
> chasm, but it's another kind altogether to realize that the beast, the
> mountain, and the chasm were of your own design."
> https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
> Sent: Friday, October 02, 2015 5:36 AM
> To: [log in to unmask]
> Subject: Re: [TN] Solder mask removal, SMOBC
>
> Perhaps you can ask your board fabricator? I would imagine they have
> methods for doing this. Perhaps also they may be able to do it for you
> cheaper than you could set yourself up to do it? Doesn't hurt to ask.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
> Sent: Friday, October 02, 2015 6:52 AM
> To: [log in to unmask]
> Subject: [TN] FW: Solder mask removal, SMOBC
>
> Fellow TechNetters:
>
> I did not receive very much feedback on my initial inquiry. Therefore, I
> ask again. Additionally I also ask if Solder mask and conformal coating
> the same Product/Term (IPC-7711.21 section 2.3.1. I want to removal/strip
> solder mask. At this point I do not known the solder mask vendor or type.
>
> Victor,
>
> From: Hernandez, Victor G
> Sent: Thursday, October 01, 2015 10:56 AM
> To: TechNet E-Mail Forum
> Cc: Hernandez, Victor G
> Subject: Solder mask removal
>
> Fellow TechNetters:
>
> I have been asked to see if that is a satisfactory method for
> removing/stripping solder mask from sample coupons chemically and/or
> mechanically.
>
> Victor,
>
>
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