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May 1997

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Subject:
ASSY: PCB Surface Flatness
From:
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Date:
Thu, 15 May 97 16:58:22 EST
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     Can anyone tell me what IPC or other industry spec defines the 
     flatness of plating or solder coated pads on a PCB.  I am trying to 
     ensure that a stiffener being mounted on the board will mate flush to 
     the board to provide an adequate ground.  The surface must be free 
     from bumps, burrs etc...
     
     Thanks in advance for your help!
     
     -Larry

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