[PCB_FORUM] Re: break-in tab diagram
- From: "Gary MacIndoe" <gemcad@xxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Tue, 18 Aug 2009 19:37:58 -0600
Thanks Jim, I'll check it out tomorrow.
Regards,
Gary
----- Original Message -----
From: jwages<mailto:jwages@xxxxxxxxx>
To: icu-pcb-forum@xxxxxxxxxxxxx<mailto:icu-pcb-forum@xxxxxxxxxxxxx>
Sent: Tuesday, August 18, 2009 2:56 PM
Subject: [PCB_FORUM] Re: break-in tab diagram
I have attached a clip file from a version 15.5.1 Allegro layout I typically
use.
I Exported the following items; Symbols, Pins, Vias, Lines, & Shapes.
Import this clip file into a blank Allegro database using Mils as the User
Units, with and Accuracy of 2.
The area the clip needs to import to is about 3 X 3 inches.
The small circles represent 10 mil non plated holes. You can measure and/or
dimension the other necessary data.
I would typically replicate this break-away tab every 1 to 1-1/2 inches. It
is very sturdy and breaks cleanly.
Let me know if you have any further questions.
Jim S. Wages
SR PCB Layout Designer
H) 919-237-3915 C) 919-484-2963
From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Gary MacIndoe
Sent: Wednesday, August 19, 2009 4:40 PM
To: icu-pcb-forum
Subject: [PCB_FORUM] break-in tab diagram
Hey guys,
I find myself having to use break-in tabs after many years of not using them
(lately I almost completely used scoring or no specified paneling with AMD).
Does anyone have a diagram showing the details of a break-in tab?
What I need is the routing path width (I think I used 125 mils), width of the
tab and size and location of the break-in holes.
Thanks for any help you can give me (in the mean time I'll keep searching on
the net).
Regards,
Gary
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