[PCB_FORUM] Re: Drill hole offset

i'll be trying it out . thanks.


----- Original Message ----
From: Mitch S. Morey <cadpro2k@xxxxxxxxxx>
To: icu-pcb-forum@xxxxxxxxxxxxx
Sent: Thursday, April 26, 2007 1:59:38 AM
Subject: [PCB_FORUM] Re: Drill hole offset


> Assuming you're simply trying to prevent routing from getting too close
> to the hole, there's another approach you may want to consider. Define a
> pad on each layer of the padstack for that hole that would prevent
> wiring from getting too close. In the "flash" portion of that padstack
> use some sort of flash name like "blank" or "null" or something really
> tiny like "5_mil_circle" that will replace the defined "pad" when you
> output your gerber files. Then define the flash symbol to be either
> nothing at all or a very small dot that would get drilled away. That way
> Allegro sees the big pad as you design the board, and stays away, but
> your deliverables only see the little dot or nothing at all.
>
Ditto. I'll second that process. That's EXACTLY how I've got my unplated
drill holes defined.

Good job Jean.
Mitch


-----------------------------------------
Stay ahead of the information curve.
Receive PCB news and jobs on your desktop daily.
Subscribe today to the PCB CafeNews newsletter.
[ http://www10.pcbcafe.com/nl/newsletter_subscribe.php ]
It's informative and essential.
This message was sent to you from a machine at 129.46.21.121
-----------------------------------------------------------
To subscribe/unsubscribe: 
Send a message to icu-pcb-forum-request@xxxxxxxxxxxxx
with a subject of subscribe or unsubscribe

To view the archives of this list go to 
http://www.freelists.org/archives/icu-pcb-forum/

Problems or Questions:
Send an email to icu-pcb-forum-admins@xxxxxxxxxxxxx
-----------------------------------------------------------

__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com

Other related posts: