[SI-LIST] Re: Aspect Ratio
- From: "Lee Ritchey" <leeritchey@xxxxxxxxxxxxx>
- To: "Mcgrath, Christopher" <christopher.mcgrath@xxxxxxxxx>, si-list@xxxxxxxxxxxxx
- Date: Thu, 28 Sep 2006 12:59:27 -0700
Drill size.
> [Original Message]
> From: Mcgrath, Christopher <christopher.mcgrath@xxxxxxxxx>
> To: <si-list@xxxxxxxxxxxxx>
> Date: 9/28/2006 12:19:37 PM
> Subject: [SI-LIST] Re: Aspect Ratio
>
> 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;
> > charset=3D"us-ascii"
> >Content-Transfer-Encoding: 7bit
> >
> >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=
> 100
> 96&a
> >d
> >don=3DIncrediMail&id=3D95202&guid=3DDAACE287-9C8D-4275-89A1-F61C45653B6A=
> >
> >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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