Rudolph,
I would like to strongly discourage you from going down the road of setting
up your own set of standards.  Writing standards and keeping them current is
very time consuming and EXPENSIVE.  The IPC specs are becoming the industry
specs for North America, at least, especially with the death of the US Mil
specs, which our military electronics brothers used.  The only upside I can
think of to having your own standards is that you can use them to record
deltas from IPC specs and cover things that IPC does not or does not yet do
well.  Other than that there are no upsides to having your own standards.
At least that's how I feel about it.

regards,
Bev Christian
Nortel
> ----------
> From:         Rudolph Yu[SMTP:[log in to unmask]]
> Sent:         Thursday, August 06, 1998 11:24 AM
> To:   [log in to unmask]
> Subject:      [TN] Company's own Standards....necessary??
>
> I want to know if it is necessary for an OEM company to set up its own
> workmanship standard and inspection
> criteria instead of following the industry standards, like IPC.
> Can anyone tell me what are some of the benefits of having its own
> guideline?
>
> I am also trying to find some online papers on  BGA inspection on board
> level using X ray machine. If you
> came across one, please let me know where can I obtain a copy. Thanks in
> advance.
>
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