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May 2003

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From:
Mark Charlton <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Wed, 14 May 2003 13:03:01 -0400
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Steve,

As Dave Chapman alluded to, is your inspector concerned with reflowed
solderpaste on non-pops?  Same issue (given her criteria), is it not?

> -----Original Message-----
> From: Steve Gregory [SMTP:[log in to unmask]]
> Sent: Wednesday, May 14, 2003 12:28 PM
> To:   [log in to unmask]
> Subject:      [TN] Adhesive where no component is loaded...
>
> Hi All!
>
> The fun never ends...
>
> I've been involved in a rather heated (albeit silly, I think...) debate
> with an inspector here, about adhesive being deposited where there is no
> component loaded.
>
> As you may surmise from my posts over the past few days, I stencil epoxy,
> not dispense. For some reason, the issue has come up with one of my
> inspectors here, requesting that I get something in writing from our
> customer saying that it's okay to have epoxy deposits at locations where
> there is no component loaded. I told her that I wasn't going to do it
> because I didn't want to look silly asking our customer if it was okay to
> have a glue dot at a location that's not loaded.
>
> Her reasoning is that we're putting something on the board that's not
> being called out on the bill of material. My response is that the epoxy
> isn't called out anyway, but we have to use it to be able to process this
> board that has PTH and SMT on the bottom. "But there's no component there,
> so there shouldn't be any glue there." was her response. "But it doesn't
> make any difference, it's a non-issue" I calmly replied.
>
> We've been debating this for 2-days now, and I'm about at my wits end.
> There's nothing in the -610 or the J-STD-001 that says it's defect, or
> that it's forbidden to deposit epoxy where a component isn't loaded, and
> there's nothing in the documentation from our customer to keep the unused
> areas free from epoxy. I've already spent much more time on this issue
> than I ever thought I would. Why this issue has popped-up now, I don't
> have a clue. Me thinks it's much ado about nothing.
>
> What is your take on this issue?
>
> -Steve Gregory-
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