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August 2002

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Subject:
From:
Earl Moon <[log in to unmask]>
Reply To:
Date:
Thu, 29 Aug 2002 08:14:37 -0400
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Now I like that Steve - a group effort. An interesting concept, what?

Earl
----- Original Message -----
From: "Creswick, Steven" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, August 29, 2002 9:14 AM
Subject: Re: [TN] MUX Failures...an update to the last update


> Sorry Blair,
>
> It was not intended to blame Test.  You are correct - Assembly should be
> perfect too, but it isn't.  Fortunately, or unfortunately, Test is the
last
> line (or nearly so) of defense in preventing junk from going out the door.
>
> It is a big challenge (sometimes).  A total group effort helps a lot!!!
>
> Steve
>
> -----Original Message-----
> From: Hogg, Blair K. [mailto:[log in to unmask]]
> Sent: Thursday, August 29, 2002 9:12 AM
> To: 'TechNet E-Mail Forum.'; Creswick, Steven
> Subject: RE: [TN] MUX Failures...an update to the last update
>
>
> That's it - blame the test operation. It's not like we should build
quality
> into the parts, we test it in!
>
> Sorry for the rant, just have heard that too many times before and the
hair
> on my neck stood up when I read it.
>
> Blair Hogg
> QA Manager
> GAI-Tronics Corp
>
> -----Original Message-----
> From: Creswick, Steven [mailto:[log in to unmask]]
> Sent: Thursday, August 29, 2002 6:17 AM
> To: [log in to unmask]
> Subject: Re: [TN] MUX Failures...an update to the last update
>
>
> All,
>
> I am sorry, but if these X-rays were taken BEFORE encapsulation removal, I
> do not see how the manufacturer has ANY leg on which to stand!  This does
> NOT have the appearance of ESD, or EOS damage - it is just flat out poor
> manufacturing control at the die and wire bonding operation ... period!
Or,
> more accurately...poor control at the final test station!
>
> You could always ship the remaining un-mounted parts to an x-ray house for
> inspection before mounting.  At least you would not have as much re-work
> hassle.  Looks like they will be easy enough for a person with only a high
> school education to pick out.
>
> They screwed up!!!   Period!
>
> Steve Creswick - Gentex Corporation
>
>
>
>
>
>
>  -----Original Message-----
> From: Steve Gregory [mailto:[log in to unmask]]
> Sent: Wednesday, August 28, 2002 11:20 PM
> To: [log in to unmask]
> Subject: Re: [TN] MUX Failures...an update to the last update
>
>
>
> So Earl,
>
> We all see that, how do you address this problem with the OEM? I ask that
> question subjectively...
>
> You have to know that we've already done that, and we're being blamed for
> handling....hehehe.
>
> This is the "Kobiashu Maru" scenario that I spoke of earlier. This is a
> no-win scenario. On Semiconductor will have all their legal staff (which
is
> more substantial than most of us ever have) to support their position that
> their parts are okay...so we have to deal with it. We'll eat all the costs
> that we will incur from their sub-standard processes and won't be able to
do
> anything about it...
>
> As a note, comparible Fairchild MUX's work GREAT!!!
>
> (that's been backed-up by test data...)
>
> -Steve Gregory-
>
> In a message dated 8/28/2002 7:56:33 PM Central Daylight Time,
> [log in to unmask] writes:
>
>
>
>
> again, possible wire bond crash and burn. something's amiss in the
process.
>
> MoonMan
>
>
>
>
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