This is very true. Cascade has been used in very small quantities
instead of a saponifier within the water wash (batch style) followed by
a clean water rinse for more than one company that I know of, and it
leaves little or no ionic residue. It cuts oils and other contaminants
extremely well. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jeffrey Bush
Sent: Wednesday, July 05, 2006 1:46 PM
To: [log in to unmask]
Subject: Re: [TN] Rocha Laminate Voids..

Cascade also works very well for flux - leaves low ionics and never
seemed to present an issue.

Jeffrey Bush
Director, Quality Assurance and Technical Support VERMONT CIRCUITS
INCORPORATED 
           76 Technology Drive - POB 1890 
              Brattleboro, Vermont 05302
                Voice - 802.257.4571 ext 21
                    Fax - 802.257.0011
                       <http://www.vtcircuits.com/> 
                           
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Jose Marroquin
Sent: Wednesday, July 05, 2006 1:37 PM
To: [log in to unmask]
Subject: Re: [TN] Rocha Laminate Voids..

All,

Recently we clean up residue on some boards with multipurpose Mr. Clean.

Should I expect problems from it?

Thanks.


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Susan Mansilla
Sent: Wednesday, January 04, 2006 5:16 PM
To: [log in to unmask]
Subject: Re: [TN] Rocha Laminate Voids..

If they are in the prepreg and are present as pressed, then there is a
mismatch between the prepreg and pressing conditions.  Are you able to
do a flow test on some sheets of prepreg alone to see if the % flow is
as expected?
Can
you determine if you are getting the predicted thickness of  the prepreg
layer?  Are you able to determine if you are hitting the  correct temp
before you hit the higher pressure during the lamination  cycle?

Is the excess around the edges of the panel "frothy" in appearance?

Just little thoughts that I would use to attack and "fix" the  problem.

Susan

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