Merix bonds FR4 as well as other materials to 3003 and 3010.  We 
have 8-10 years of experience mixing different dielectric 
materials in high volume.  It works very well when mixing critical 
high speed signals (usually Analog RF) with other signals (usually 
Digital).  The Rogers 3000 series materials work very well because 
of their stability.  Most other PTFE based materials shrink like 
crazy.

The stackup will need to have balanced materials and thicknesses 
to prevent warp.  ie: if you have .010" of 3003 between layers 1 
and 2, you also need .010" of 3003 between layers n and n-1.

There are various bonding materials that will work, and others 
that will not.

Give me a call and I can give you more information.

Darren Hitchcock
(503)359-2658
[log in to unmask]


George Wheadon <[log in to unmask]> Wrote:
| 
| A customer is asking.....
| 
| Does anyone bond FR4 to Rogers 3003/3010, how is is 
| done and does it work? 
| 
| Also, Pressfit technology, does is work with rigid 
| polyimide?  
| 
| 
| Thanks
| 
| George 
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