[SI-LIST] Re: Aspect Ratio
- From: "Mcgrath, Christopher" <christopher.mcgrath@xxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 28 Sep 2006 12:11:23 -0700
Just to be clear, is the hole dimension used in the aspect ratio the
drill size or the plated via diameter? =20
-Chris
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx] On
>Behalf Of Venkat
>Sent: Thursday, September 28, 2006 4:03 AM
>To: ramesh.k@xxxxxxxxxxx; si-list@xxxxxxxxxxxxx
>Subject: [SI-LIST] Re: Aspect Ratio
>
>
>Hi Ramesh,
>
> The aspect ratio of a via is Ratio of board thickness
to
>via diameter. Allows judgment of manufacturability. The larger the
aspect
>ratio, the more difficult it is to achieve reliable plating.
>
>Regards
>
>Venkat V.S.Babu.K
>Application Engineer
>Cg-Coreel Programmables Pvt Ltd
>
>
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On
>Behalf Of RameshK Cozerv IN HO
>Sent: Thursday, September 28, 2006 2:38 PM
>To: si-list@xxxxxxxxxxxxx
>Subject: [SI-LIST] Aspect Ratio
>
>Content-Type: text/plain;
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>
>Hi Pcb Guru's,
>
>
>Can someone explain to me about Aspect ratio, how it is calculated,what
>should be its Min & Max.
>
>
>
>
>
><http://www.incredimail.com/index.asp?lang=3D9&version=3D4001930&aff_id=3D=
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>d
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>
>Regards,
>Ramesh
>PCB Design Engineer
>Product development
>Conzerv Systems Pvt Ltd.
>(formerly Enercon systems Pvt Ltd)
>44p Electronic City Phase ll
>Hosur Road
>Bangalore-560100
>ph : 91 80 51189751
>Email : ramesh.k@xxxxxxxxxxx
>Website : www.conzerv.com <http://www.conzerv.com/>
>
>Hand's that HELP are better than Lip's that PRAY
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>
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