Hi, Ed!
Auch!
Gaby

Ed Cosper wrote:

> Alain,
>
> Regarding your comments regarding the effectiveness of Receiving
> inspections.  I noticed you referenced seeing a board burn in the past to
> illustrate the importance of receiving inspection. I am curious as to what
> standard test your receiving inspection performs on incoming products that
> would have detected the potential of a board that would burn?
>
> Ed Cosper
>
> ----- Original Message -----
> From: "Alain Savard" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, June 05, 2000 8:44 AM
> Subject: Re: [TN] PE: PCB Inspection
>
> > Well may be the inspectors need a bit of training... Proper work is only
> > done with either great luck (which is not reliable) or just plain old
> > training. Besides "not every reject is a defect and not every defect is a
> > reject". You have to review doubtful situations. Advise inspectors, in a
> > written format, of any changes you want done to their inspection methods.
> > Writing your own internal inspection documentation might not be a bad idea
> > either.
> >
> > Alain Savard, B.Sc.
> > Chemical Process Analyst
> > CAE Electronics Ltd.
> > e-mail: [log in to unmask]
> >
> > -----Original Message-----
> > From: Howieson, Rick
> > To: [log in to unmask]
> > Subject: Re: [TN] PE: PCB Inspection
> >
> > Alain,
> > Couldn't help but respond to your comment on toys vs hi-rel. We build
> > space flight boards and very few (i.e. majority) of the receiving
> > inspectors have a clue to what they are inspecting. You would be amazed
> > of the 101 reasons I've seen to reject a board. Just a sample, "thermal
> > pads called etching shorts". Nuff said.
> > Rick
> >
> > >-----Original Message-----
> > >To:    [log in to unmask]
> > >Subject:       Re: [TN] PE: PCB Inspection
> > >
> > >Incoming inspection may be required in some instances... It all depends
> on
> > >the reliability you require for the boards. I don't think that most
> company
> > >dealing with high reliability products will dock-to-stock as eagerly as
> > >throw-away manufacturer. It also depends on assembly value, sometimes
> > >inspection may reduce headaches down the road. I've seen board burn in
> the
> > >past. These were supp0sed to be excellent board by the CoC... turned out
> > >they weren't that good.
> > >
> > >All processes, no matter what have to make sense. Gather data if and when
> > >possible. Keep your eyes open. I don't think that the people dealing with
> > >cheap assemblies, like most toys, are playing in the same ball park as
> > >people dealing high reliability medical or space equipment.
> > >
> > >Alain Savard, B.Sc.
> > >Chemical Process Analyst
> > >CAE Electronics Ltd.
> > >e-mail: [log in to unmask]
> >
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