[PCB_FORUM] Re: Where do you set drill to other features clearance?

From: "Macindoe, Gary" <Gary.Macindoe@xxxxxxx>
To: <icu-pcb-forum@xxxxxxxxxxxxx>
Date: Fri, 20 Jun 2008 10:22:38 -0500

Hey Austin,

 

The clearance for a shape is accomplished in one of two ways (negative
or positive shapes).

 

For inner negative shapes (planes), Allegro uses the padstack
definition, "Anti Pad".

If you need to increase this clearance on a board wide basis, you would
modify the "Anti Pad" definition for the padstack in the design.

If you want to increase the clearance on a case by case basis (i.e.
"individual THP"), use Shape -> Manual Void -> Circular (or Rectangular,
Polygon etc.).

 

For a positive inner or outer shape, you have much more control.

Using Shape -> Global Dynamic Params..., you set up the parameters that
will be applied to every shape that you create in your design.

 

Then, you can adjust the parameters of each shape individually, after it
is created:

-          Shape - > Select Shape or Void

-          click on the shape to highlight it

-          RMB on the shape to Parameters...

-          Adjust the parameters as needed

 

 

Good luck, e-mail me if you have any questions about this.

 

Gary

 

  

Gary E. MacIndoe
PCB Design Engineer
Fort Collins, Colorado

amd.com

gary.macindoe@xxxxxxxxxxxxxxxxxxxx Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Austin Franklin
Sent: Thursday, June 19, 2008 5:33 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Where do you set drill to other features clearance?

 

Hi,

 

In PADS, the clearance matrix contains a drill to other feature
clearance

(such as copper, trace, via, pad).  Where in Allegro can I set up
similar

clearances, say, for drill to copper (shape)?

 

Regards,

 

Austin

 

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Follow-Ups:

[PCB_FORUM] Re: Where do you set drill to other features clearance?
From: Dale Rasmusen

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From: Austin Franklin

References:
- [PCB_FORUM] Where do you set drill to other features clearance?
  - From: Austin Franklin

[PCB_FORUM] Re: Where do you set drill to other features clearance?

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