"That's not Logical"

Joe Russeau
Process Analyst

Precision Analytical Laboratory, Inc.
4106 Cartwright Dr. Ste. A
Kokomo, IN 46902

P: 765-455-1993
F: 765-455-1996
E: [log in to unmask]


----- Original Message -----
From: "Douglas O. Pauls" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, May 19, 2005 1:06 PM
Subject: Re: [TN] BGA test coupon


> Charlie,
> You want transparent aluminum.  Scotty talked about it in Star Trek 4.
>
> Doug Pauls
>
>
>
>
>              Charlie Pitarys
>              <Charlie_Pitarys@
>              KYZEN.COM>                                                 To
>              Sent by: TechNet          [log in to unmask]
>              <[log in to unmask]>                                          cc
>
>                                                                    Subject
>              05/19/2005 09:29          [TN] BGA test coupon
>              AM
>
>
>              Please respond to
>               TechNet E-Mail
>                    Forum
>              <[log in to unmask]>
>              ; Please respond
>                     to
>               Charlie Pitarys
>              <Charlie_Pitarys@
>                 KYZEN.COM>
>
>
>
>
>
>
> Hello all, In pursuit of better cleaning I am looking for a supplier or
> creative inventor that has a BGA style device/component (pick a size)
> where the top is clear and you can look through and see if any flux
> residue remains around the bump pattern.
> My method currently employs heating up the substrate and popping off the
> die,etc. The heat can skew the visual data by reheating and/or
> volatilize any flux remaining etc. Plus if you have had too much coffee
> during the day this exercise can get a little dicey!
>
> I don't want to invest 30K for a spy scope either.
> I know about the glass slide deal for cleaning and I am not a big fan of
> it. 20+ yrs in this biz and this test method is too labor intensive and
> is only designed to fail IMHO.
>
> TIA
>
> Charlie Pitarys
> 603.622.2900 x-115
>
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847-615-7100 ext.2815
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---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
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the BODY (NOT the subject field): SIGNOFF Technet
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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
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