Electronics Computer-Aided Design pcad question

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Subject Author Date
pcad question TheM 12-16-07
---> Re: pcad question Mike Harrison12-17-07
Posted by TheM on December 16, 2007, 8:16 am
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One question related to P-CAD (2004).

Say you've created a small PCB board in P-CAD using copper pour
for large ground and would like to multiply the board for
stencil and pcb manufacturing.

The problem is that copy-paste does not work as you loose the net
information and copper pour is lost. You basically have to re-assign
ground net for the copper pour for every small pcb, which can be
time consuming.

Is there a way to lock each individual board so the copper pour stays put?

I've tried just about everything with no success.

M




Posted by qrk on December 16, 2007, 3:39 pm
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wrote:

>One question related to P-CAD (2004).
>
>Say you've created a small PCB board in P-CAD using copper pour
>for large ground and would like to multiply the board for
>stencil and pcb manufacturing.
>
>The problem is that copy-paste does not work as you loose the net
>information and copper pour is lost. You basically have to re-assign
>ground net for the copper pour for every small pcb, which can be
>time consuming.
>
>Is there a way to lock each individual board so the copper pour stays put?
>
>I've tried just about everything with no success.
>
>M
>
Are you trying to make a panel (many copies of the same board)? If so,
the easiest way is do the panel in a Gerber editor. If this is for a
commercial job, have the PCB manufacturer panel the board for you.
Give them a drawing how you want the panel done. Be sure to specify
where you want the tooling holes and fiducials on the panel.

---
Mark


Posted by TheM on December 16, 2007, 8:22 pm
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> wrote:
>>
> Are you trying to make a panel (many copies of the same board)? If so,
> the easiest way is do the panel in a Gerber editor. If this is for a
> commercial job, have the PCB manufacturer panel the board for you.
> Give them a drawing how you want the panel done. Be sure to specify
> where you want the tooling holes and fiducials on the panel.
>
> ---
> Mark


I know this can be done and my pcb guy is doing it in gerber, however
later I need to submit the same pcb for stencil to another guy and there
I get in trouble...

M



Posted by Brad Velander on December 16, 2007, 8:48 pm
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Typically you get a copy of the fabrication Gerber files (panelized, top
layer, bottom layer, both layers) back from your fabricator in order to pass
them along to the stencil supplier. It's that simple.
Or you can make a single one up file for your stencil supplier and then
give them the same information on panelization you gave your fabricator. If
your fabricator alters anything from your original panelization details, be
sure they are also fed back to the stencil fabricator.

--
Sincerely,
Brad Velander.

>> wrote:
>>>
>> Are you trying to make a panel (many copies of the same board)? If so,
>> the easiest way is do the panel in a Gerber editor. If this is for a
>> commercial job, have the PCB manufacturer panel the board for you.
>> Give them a drawing how you want the panel done. Be sure to specify
>> where you want the tooling holes and fiducials on the panel.
>>
>> ---
>> Mark
>
>
> I know this can be done and my pcb guy is doing it in gerber, however
> later I need to submit the same pcb for stencil to another guy and there
> I get in trouble...
>
> M
>



Posted by TheM on December 16, 2007, 9:03 pm
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> Typically you get a copy of the fabrication Gerber files (panelized, top
layer, bottom layer, both layers) back from your
> fabricator in order to pass them along to the stencil supplier. It's that
simple.
> Or you can make a single one up file for your stencil supplier and then
give them the same information on panelization you gave
> your fabricator. If your fabricator alters anything from your original
panelization details, be sure they are also fed back to the
> stencil fabricator.
>
> --
> Sincerely,
> Brad Velander.

Well, right now that is not the case, but I suppose I could ask for the files.

I wondered whether there is a work-around where I could do this myself,
but I guess pcad does not easily allow this.

Thanks for the feedback/help.

M



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