Protel 'power planes' go forever.
I place primitives like tracks or area fills on the power planes to create
clearances.
Remember that primitives on power planes are 'anti-copper', and this will
also produce a warning when you run a drc.
I often also pull in the power planes more than the ground planes (by 20H,
H=plane separation)to reduce EMI fringeing effects. You also may want to use
this method to remove plane copper from under I/O isolating devices.
So apart from a simple clearance to the board edge,(which would be a nice
feature, and would have saved you in this case) this would not be possible
to automate.
regards,
Phil.
Phil Dutton C.I.D.
Senior CAD Technician
IPC Certified Interconnect Designer
Tenix Defence Systems Pty Ltd
Systems Division - Adelaide
Second Avenue, Technology Park,
Mawson Lakes. SOUTH AUSTRALIA 5095
================================
Phone (08) 8300 4400 (reception)
Fax (08) 8349 7420
email [EMAIL PROTECTED]
Internet Page http//www.tenix.com
================================
-----Original Message-----
From: Micky Blain [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, 13 February 2001 8:03
To: Multiple recipients of list proteledausers
Subject: [PROTEL EDA USERS]: Inner Power Plane clearances
1. just go bit on a big order with power plane clearance. It seems that the
gerbers generates the plane all the way to the edge of the keep out layers.
Is there anyway to control the power plane and manually draw them in without
doing them by split planes?
Micky Blain
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