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1996

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Subject:
Re: Aspect Ratios
From:
David Bergman <[log in to unmask]>
Date:
Tue, 31 Dec 1996 16:05:41 -0600 (CST)
Content-Type:
TEXT/PLAIN
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TEXT/PLAIN (62 lines) 
Sure,

Aspect ratio is the thickness dimension of the PWB divided by the 
diameter dimension of the plated thru hole. So an 0.060 inch thick pwb
with a 0.020 inch diameter pth would have an hole aspect ratio of 3 to 1.

Regards

__________________________________________________

David W. Bergman, V.P. of Technical Programs
IPC
2215 Sanders Road
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---------------------------------------------------


On Tue, 31 Dec 1996, Isaac Stringer wrote:

> Greetings:
> 
> Would someone be so kind as to explain 'aspect ratios' in a way
> that will make sense to someone who understands hole sizes and
> trace width/space?
> 
> Thank you!
> 
> Isaac Stringer
> KML Engineering Corp.
> [log in to unmask]
> 
> 
> 
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