You are right Charlie, the board house must be involved.
Since my original purpose was to assess the feasability, I think I had my
answers.
The starting point that a manufacturing man like myself needed is there.
Thanks all,
Ioan
> -----Original Message-----
> From: Charlie McMahon [SMTP:[log in to unmask]]
> Sent: Monday, April 29, 2002 10:28 AM
> To: Tempea, Ioan
> Subject: Re: [TN] Flip-flop panels
>
> Joan:
>
> May I add to the discussion that you should not be flipping multi-layers.
> Primary reason is it only adds more cost in PCB fabrication due to lower
> yields caused by plating difficiencies.
> If you want to enhance productivity and increase your margin, consider
> co-operative engineering early on with your board supplier and assembler.
> As a board and assembly supplier myself, I have offered same to my clients
> and it can pay serious dividends in reducing problems increasing profit.
>
> I represent board shops in Canada that would be happy to assist you in
> this regard. It is, in my view, the superior strategy to implement.
> If you would, like I will provide contacts should you wish to investigate.
>
> Charlie McMahon
>
>
>
> Tempea, Ioan wrote:
>
>
> Now I got all mixed up.
>
> I'm mainly talking about multilayer boards. Basically small piggy
> backs, but
> MLBs still!
>
> Is it doable or not?
>
> And, of course, thanks for the input, Dennis, Jac, Robert and Eddie.
>
> Ioan
>
>
> -----Original Message-----
> From: Eddie Rocha [ SMTP:[log in to unmask]
> <mailto:SMTP:[log in to unmask]>]
> Sent: Wednesday, April 24, 2002 6:45 PM
> To: [log in to unmask] <mailto:[log in to unmask]>
> Subject: Re: [TN] Flip-flop panels
>
> Flip flopping multilayer bds can get complicated and is not
> recommended. It cannot be done if the layer stack-up is not
> symmetrical.
> thanks,
>
>
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