Simply wiping the PCB clean will result in solder balls in the vias that
will come out to play when you go through re flow.

Equipment similar to a stencil cleaner is used. They come in all shapes and
sizes and methods of cleaning and chemistry. It depends on your
assemblies and what they are used for. The PCB must be dry before it goes
back into production. Don't contaminate the board wth dirty cleaning
solution. This is for bare boards.
Boards populated on one side with a mis print have more conditions. My lines
run no clean flux, as a result no one pays attention if the part is not
sealed. Many inductors on my assemblies have dust caps that would fill up
with cleaning solution and not drain. Therefore the boards are scrapped for
misprints with bridges. PCA's with missing solder or insufficient solder are
reprinted. I was not able to justify the purchase of any significant
equipment due to the total value of scrapped mis printed PCB's.
It was better to scrap.

Populated boards can be cleaned to remove the solder paste.
The type of components, size, customer requirements will determine what you
can use.


______________________________________________________________________
This email has been scanned by the MessageLabs Email Security System.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 16.0
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
For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
-----------------------------------------------------