Ken,
 
A supported hole is plated through...an unsupported hole is not.
 
Bill Gilman C.I.D.
Radio Systems Corp
-----Original Message-----
From: Ken Fong <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Thursday, September 09, 1999 6:46 AM
Subject: [TN] Supported, unsupported & PTH

     Technetter,

     In many IPC standards, the term 'Supported hole' is often used. Could
     anyone tell me what's the difference between supported hole, and
     plated through hole? Thanks.

     Regards,

     Ken

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