Clive,

From our standpoint, you are not alone.

Best of luck with the battle.

Richard Hamilton
Clemar Mfg. / Rain Bird
[log in to unmask]

> -----Original Message-----
> From: Clive ffitch [SMTP:[log in to unmask]]
> Sent: Thursday, September 02, 1999 8:21 AM
> To:   [log in to unmask]
> Subject:      [TN] ESD and SMT Tape/Reels - Concern
>
> All,
>
> I know this has been raised before, but the picture does not seem all
> that clear. So here goes.
>
> We have an issue with some SMT part tapes and reels being supplied using
> non-ESD compatible materials, where we have measured up to around 1000V
> on the plastic reels, or as measured on the tapes themselves when peeled
> back. Some plastics used do appear to be static dissipative/conductive,
> as do some of the black tapes, but not all. The tape/reels in question
> are for resistor/capacitor parts, and some SOT23s etc.
>
> When challenged, some suppliers have said this is not an issue for other
> people, and to re-package the parts would cost +300%, but we can have it
> if we pay. We assemble resistors/capacitors/discretes on the same
> equipment as more sensitive ESDSs, and feel sure we are not the only
> people with these concerns; what we want are parts supplied using
> ESD-safe tape and reel packaging. For the assembly of high reliability
> equipment, we do not want to have to resort to installing ioniser farms.
>
> However, we do not have any leverage in the market place on our own, and
> our order quantities are small - even insignificant - so the question
> is, ARE we alone?
>
> Is the rest of industry getting what it wants, or do we have to adapt
> our own practices to accommodate resistors and capacitors being
> delivered in the packaging that suppliers say we can have them in?
>
> All comments to TechNet most welcome.
>
> Clive ffitch
> MBUK
> Stevenage, England
>  << File: BDY.RTF >>

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