Virtually all DMS systems will work in high aspect ratio holes up to the
point where you can't get solution through the holes, same as electroless.
However, DMS is VERY dependant on the equipment being in near perfect order
as well as proper chemistry, temperatures, etc. I would get a list of users
from the chemical guys and find out what equipment works best at those
users. 
JMHardy, Chemring Plating Systems-North America

----------
> From: CSS Asia Co., Ltd. <[log in to unmask]>
> To: [log in to unmask]
> Subject: DMS   vs. Electroless copper
> Date: Wednesday, May 14, 1997 3:31 AM
> 
> We  are considering to install a DMS line instead of electroless copper
> plating line.  However some concern has been raised by one of our
engineers
> that DMS may not be good for high aspect ratio holes.   Therefore I would
> like to ask Technetters' opinion on pro and con's of the two different
> technologies.
> 
> Thanks in advance
> 
> M. C. Chu
>        
> CSS Asia Co., Ltd.
> 2nd Fl., Myungwoo B/D.
> 1460-17 Seocho-3-Dong, Seocho-Ku
> Seoul, Korea
> Tel: 82 2 523 8810   Fax: 82 2 523 1483
> [log in to unmask]
> 
>
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