Jack and all,

If anyone is interested, details of the SMART Group benchmarking project can
be found at http://www.ppm-monitoring.com.

Regards,
Peter

--
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Peter Swanson                                      Oxfordshire, England
Honorary Life Vice President
The SMART Group            http://www.smartgroup.org
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::



-----Original Message-----
From: Jack Crawford [mailto:[log in to unmask]]
Sent: 29 May 2002 22:29
To: [log in to unmask]
Subject: Re: [TN] DPMO benchmarking


IPC-7912 for end-item DPMO is about two years old now; IPC-9261 for
in-process DPMO was published several months ago.

The IPC DPMO 5-22g committee met two weeks ago and has generated a revision
to 7912 that will be balloted in about a month; need to go through a public
announcement of the proposed standard first. No changes in formulas but the
examples were clarified and document layout changed for ease of use.

We (IPC) frequently get requests for "typical" DPMO numbers so users can
assess themselves against industry. It's been a challenge to get anyone to
offer up numbers so we can build a benchmark. It's considered proprietary
info and companies seem to be concerned that their numbers will be used
against them by competitors. We're exploring ways to do this in the blind,
perhaps through our TMRC or EMS Council. In the meantime, Bob Willis and the
SMART Group in the UK have already started gathering numbers. SMART keeps
referring to it as PPM but references 7912; Bob will have to tell us if it's
truly DPMO as defined by 7912 so we'll know if their numbers are apples to
apples.

If we can set up a program that satisfies company confidentiality concerns
and you'd like to participate, please reply to me off-line (it helps with
the privacy stuff you know) [log in to unmask]

Cordially
Jack

>>> [log in to unmask] 05/29/02 03:15PM >>>
Hi Ron,
There was an activity within the IPC termed DPMO which is a TLA for Defect
Per Million Opportunity. The original intent was to accomplish what you
asked for, comparing apples to apples.  Off the top of my head I believe it
was IPC-9261.

Hope this helps,
Mel

Mel Parrish
Director of Training
Soldering Technology International
102 Tribble Drive
Madison, AL 35758
256 705 5530
256 705 5538 Fax
[log in to unmask]
www.solderingtech.com

  -----Original Message-----
  From: TechNet [mailto:[log in to unmask]]On Behalf Of Dieselberg, Ron
  Sent: Wednesday, May 29, 2002 12:57 PM
  To: [log in to unmask]
  Subject: [TN]


  One of our Quality Managers has asked me to quiz the TechNet for
information on solder defect rates. We think we are pretty good and want to
compare against others in the industry. He has asked for rates for hand
soldering and also machine (automatic) soldering. We deal in two basic
product lines; IR products and Space/Communications.

  Any information regarding solder defect rates in the hand soldering and or
automatic soldering areas would be appreciated.

  Thank you.

  Ron Dieselberg
  Trainer/Auditor
  CMC ELECTRONICS
  CINCINNATI
  [log in to unmask]

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