Frank,
 
One possible solution is microblasting the mask off, other than that, no good recommendation.  Using this technique though may cause some ESD issues as well as other part damage on that side of the assembly.
 
Bill Westmoreland
President, BEST, Inc.
Phone   (847) 797-9250
Fax       (847) 797-9255
Email    [log in to unmask]
-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Frank Kimmey
Sent: Monday, January 06, 2003 3:33 PM
To: [log in to unmask]
Subject: [TN] Removal of Soldermask from assembled PCBAs

Would somebody please Help me!
I need to remove the soldermask from the backside of some assembled PCBAs.
Any suggestions (Rudy, Doug, Steve, Werner, anybody)?
All mask from backside only (no components or solder joints).
Please feel free to call or reply offline if you do not wish to discuss on this forum.
I need an answer quickly if possible.
Thanks in Advance,
FNK

Frank N Kimmey, C.I.D.+
Senior PCB Designer
Powerwave Technologies
PH. 916-941-3159
Fax 916-941-3195


Frank N Kimmey, C.I.D.+
Senior PCB Designer
Powerwave Technologies
PH. 916-941-3159
Fax 916-941-3195

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