Choosing the paste is the easy part. Choosing the cleaning process and 
cleaning/drying equipment is the hard part. Do not forget that the 
drying part of the process is every bit as important as the washing/rinsing.

Brian

Ioan Tempea wrote:
> Dear Technos,
> 
>  
> 
> After having worked for years with no-clean pastes, I need now to
> evaluate water soluble. Concerning both SnPb and lead-free, what would
> be your short list to start qualifications?
> 
>  
> 
> We are a CEM, so the paste needs to be very versatile, so it can give
> the best performance (compromise) for inconsistent designs. In this
> world we need to print everyday a wide range of designs like 20mil fine
> pitch pads with widths from 9 to 15 mils, 0603s with pad gaps between 20
> and 35 mils, etc., so I guess most of you understand what I mean by
> versatile ;-)
> 
>  
> 
> I assume off-line answers would be appropriate, so please do not
> hesitate...
> 
>  
> 
> Thank you,
> 
>  
> 
> Ioan
> 
> 
> ---------------------------------------------------
> Technet Mail List provided as a service by IPC using LISTSERV 15.0
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
> To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
> -----------------------------------------------------
> 

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 15.0
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------