What happens with double sided SMT which is becoming more prevalent?

Thanks,
Robert Furrow
Printed Wiring Board Engineer
Strategic Supply Global Account Manager
Supply Chain Networks
Lucent Technologies
978-960-3224    [log in to unmask]


-----Original Message-----
From: Jerry Mosur [mailto:[log in to unmask]]
Sent: Wednesday, December 05, 2001 4:15 PM
To: [log in to unmask]
Subject: [TN] SiPAD


Greetings,

Our assembly guys came across a PCB product called SiPAD. It is a patented
(by Siemens) way of adding a layer of SMD paste, then curing and leveling it
and finally spraying the whole board with a layer of flux. A layer of
protective paper is applied over the entire surface so the flux doesn't dry
out and stays tacky.
The claim to fame is that it is suppose to save one manufacturing step,
solder paste application.

Any comments?

Thanks in advance.

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