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October 2001

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Subject:
From:
"<Peter George Duncan>" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 29 Oct 2001 08:26:45 +0800
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If this information is so readily available, why don't manufacturers just
quote land patterns in their data sheets as a standard part of the format?
Very few do, and it's a real pain to ring up every one of them every time
to get this information. Yet everyone seems to accept this as the way it
is!

Can't IPC bring any pressure to bear on manufacturers to provide this
information as standard? Jack?

Peter Duncan




                    Dean
                    Lillibridge          To:     [log in to unmask]
                    <lillibrd@NTC        cc:     (bcc: DUNCAN Peter/Asst Prin Engr/ST
                    1.COM>               Aero/ST Group)
                    Sent by:             Subject:     Re: [TN] Land Patterns
                    TechNet
                    <[log in to unmask]
                    ORG>


                    10/26/01
                    09:02 PM
                    Please
                    respond to
                    "TechNet
                    E-Mail
                    Forum."






Not finding the patterns in IPC, I would consult the "suggested land
patterns" of the manufacturer's of those devices.  Technical support, or
engineering support of the companies that manufacture the component spec'd
in should be able to provide you with suggested land patterns and
recommended soldering profiles.

                                        --Dean Lillibridge
                                NEWvENTURE TECHNOLOGIES


-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Reid, Lorraine
Sent: Friday, October 26, 2001 6:21 AM
To: [log in to unmask]
Subject: [TN] Land Patterns


Can anyone point me to a good reliable resource for land patterns for
devices which are not in IPC-SM-762?

I need to verify patterns for devices such as TSSOPs, QSOPs, and SSOPs,
none of which seem to be covered in the standards!

thanks in advance,

Lorraine Reid

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