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Subject:
CEM-3 vs. FR-4
From:
simon.ipc.org!uunet.uu.net!zytec!owl!patb (RwF - ext. 355 - Pat Bailey)
Date:
Fri, 13 Dec 96 14:49:34 CST
Content-Type:
text/plain
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text/plain (26 lines) 
Are there any significant differences/concerns in fabrication, assembly, or 
long term reliability when comparing CEM-3 to FR-4 for double sided PTH 
boards?  Is it compatible with carbon direct metallization?  In what 
product applications is CEM-3 typically used for double sided PTH boards?  
 From what I've been able to gather, it is used quite a bit in Asia but not 
in North America.  Why (availability, end product application/reliability 
reqiuirements, no significant cost advantage...)?

Regards,


Pat Bailey
Zytec Corporation

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