There are specific PEMS designed for pcb materials, in differing 
thicknesses.  See their website at www.pemnet.com.  If you are having the 
assembly made by a CM, you  may want to discuss your requirement with them, 
as they may have their own guidelines.  I have used many PEMs over the 
years, in FR4, aluminum enclosures, and other various composites.  I have 
always had surprisingly good results when they are used as intended and 
installed correctly.  You may have a significant component "keep out" for 
tooling and pcb stresses, depending on your application.  good luck.  Lenny 
ERG


----- Original Message ----- 
From: "henry rekers" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, November 06, 2009 1:54 PM
Subject: [TN] PEM (rivets) in PCB


Is anybody out there aware of any spec/inspection criteria/documentation on 
how to specify/design/inspect Pem type fasteners?

We have a design that may require this, but I'm not willing to commit until 
I have some more background info. Specifically, is this a normal process for 
a board shop? Are there any 'gotcha's'?

Thanks.


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