[PCB_FORUM] Re: how do YOU handle component spacing rules?
- From: Andy_Kulik@xxxxxxx
- To: icu-pcb-forum@xxxxxxxxxxxxx
- Date: Mon, 7 Jun 2004 15:05:55 -0400
I fixed it. There was a setting that replaced the email address with
icu-pcb-forum-bounce@xxxxxxxxxxxxx
since the users email address bounced at leats once.
The list server is configured with a watch, which adds your email address
to a list in case emails send to your address
bounce. After reaching a certain limit your subscriptions is set to
vacation mode.
Note that you will be unsubscribed after reaching total bounce limit (10).
Andy
"Degennaro, Natalie N" <natalie.n.degennaro@xxxxxxxxx>
Sent by: icu-pcb-forum-bounce@xxxxxxxxxxxxx
06/07/2004 02:46 PM
Please respond to
icu-pcb-forum@xxxxxxxxxxxxx
To
<icu-pcb-forum@xxxxxxxxxxxxx>
cc
Subject
[PCB_FORUM] Re: how do YOU handle component spacing rules?
Can someone (Andy) tell me why we don't see the person's name who sent
in this post?
-----Original Message-----
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx]
Sent: Monday, June 07, 2004 11:41 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: how do YOU handle component spacing rules?
You can do this with the DFA tool use the component clearance audit that
should work for you but you may want to tweak it by writing your own
customized rule with ARL.
-----Original Message-----
From: Gene Carman [mailto:gcarman@xxxxxxxxxxxxxxx]
Sent: Monday, June 07, 2004 2:30 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] how do YOU handle component spacing rules?
Is there a way to set a component type to component type rule? What I =
mean is that certain component types tend to have different rules... =
such as 0402 to 0402 verses 0402 to SOT or BGA.
The only rules I have found are pad to pad... which does not allow for =
different type rules.
I spoke to some other designers and they offered two solutions: One is
=
to build visual indicators into the parts so you can tell if your 0402 =
is too close to another 0402 or BGA... great, no DRC there. The other =
solution is simply use grids and place them... again no DRC.
I have different customers that require different spacings. One =
customer wants 20 mils between 0402 pads, another wants 25. Customer 1
=
wants 50 mils between BGA and 0402, customer 2 wants 40 mils between BGA
=
and any other comp. =20
With other tools I had the ability to assign components to a component =
type and then assign rules of type to type. I don't see a way to do =
that in Allegro (15.1) (very similar to net type rules in Allegro, for =
component to component spacing)
What do you do?
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