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Subject:	Re: Gen: dpmo
From:	Jack Crawford <[log in to unmask]>
Reply To:	TechNet E-Mail Forum.
Date:	Mon, 30 Mar 1998 14:13:54 -0600
Content-Type:	text/plain
Parts/Attachments:	text/plain (52 lines)

Mohit, you are joining an on-going discussion on this topic.  Go to the TechNet
archives at  http://jefry.ipc.org/archives/technet.html and do a search on dpmo for
more information.  Jack

Jack Crawford, IPC Project Manger - Assembly
2215 Sanders Road, Northbrook IL  60062-6135
[log in to unmask]        http://www.ipc.org
847-509-9700 x 393
fax 847-509-9798

>>> <[log in to unmask]> 03/30/98 12:34PM >>>
Hi Folks, a quick question. What are the general trends for defining
dpmo. They way I understand it is

dpmo = Total defects / Total opportunities.

My question is that if there are two or more defects of the same kind on
the board - such as - shots on a QFP. Now would this be counted as 1
defect or it would be counted as two or more defects. Because if it is
counted as two or more the dpmo changes. I want to know what is the
general industry practices.

Any help will be appreciated.

Mohit Gujral

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