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November 2002

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Subject:
From:
"Tobias.Chang" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 29 Nov 2002 08:51:19 -0500
Content-Type:
text/plain
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text/plain (154 lines)
i think he means
http://www.metcal.com/tips/minhoof2.html



> -----Original Message-----
> From: d. terstegge [SMTP:[log in to unmask]]
> Sent: Friday, November 29, 2002 6:23 AM
> To:   [log in to unmask]
> Subject:      Re: [TN] Hand soldering fine pitch SMT
>
> Hi Grant,
>
> I typed the URL instead of using copy and paste (I don't have Internet
> acces from my workingplace), that's why I gave you the wrong URL.  I
> hope this one's better: http://www.metcal.tips/minihoof2.html
>
> daan
>
> >>> Grant Emandien <[log in to unmask]> 11/29/02 11:08am >>>
> Hi Daan,
>
> Is the metcal site correct - I cannot access it!
>
> Grant
>
> -----Original Message-----
> From: d. terstegge [mailto:[log in to unmask]]
> Sent: Thursday, November 28, 2002 2:14 PM
> To: [log in to unmask]
> Subject: Re: [TN] Hand soldering fine pitch SMT
>
>
> Hi Ron,
>
> For the chips I would recommend to keep the part in place with a
> tweezer while making the solderjoint with a fine soldertip and a thin
> solderwire.
> To my opinion the best manual soldering method for fine-pitch QFP's is
> described on http://www.metcal.tips/minhoof2.html. In this method you
> must place a quantity of solder onto the face of a specially formed
> tip,
> after which your draw the tip along the row of fluxed leads, virtually
> "painting" the leads with solder.
>
> Best regards,
>
> Daan Terstegge
> Thales Communications
> Unclassified mail
> Personal Website: http://www.smtinfo.net
>
>
> >>> [log in to unmask] 11/27/02 10:48pm >>>
> Can anyone recommend good soldering technique for
> hand assembly of 20mil pitch devices and 0603, 0402
> SMT chips? We are looking at doing some protoype
> assembly on some fairly dense (and small) pcbs. We
> were thinking of using solderpaste and one of those
> portable solder pens with a hot air tip ie. Weller
> Portasol.  Has anyone had success using this
> technique?
> Thanks
> Ron.
>
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