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Reply To: | DesignerCouncil E-Mail Forum. |
Date: | Wed, 15 Apr 1998 15:43:47 -0500 |
Content-Type: | text/plain |
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Single sided boards require holes with annular rings for mounting components.
Regards,
Gary Ferrari
Executive Director
IPC Designers Council
(860) 350-9300 Fax (860) 350-9309
[log in to unmask]
>>> "Uptain, George" <[log in to unmask]> 04/15/98 02:14PM >>>
Thanks People;
But why would one care about annular ring on a non-plated hole?
IPC-D-275 Table 5-11
IPC-2221 Table 9-2
> -----Original Message-----
> From: Richard P. Janda Jr. [SMTP:[log in to unmask]]
> Sent: Wednesday, April 15, 1998 1:00 PM
> To: DesignerCouncil E-Mail Forum.; Uptain, George
> Subject: Re: [DC] IPC-T-50
>
> Supported hole is plated.
> Unsupported hole is not plated.
>
> ============================================
>
>
> Uptain, George wrote:
> >
> > Greetings;
> > Would someone with a copy of IPC-T-50 please tell me what the diff
> is
> > between an unsupported hole and a supported hole?
> > Thank you
> >
>
> --
> ============================================================
> | Richard Paul Felix Janda Jr. | E-mail . [log in to unmask] |
> | CRAY Research/SGI | Voice # . (715) 726-5885 |
> | 1168 Industrial Blvd. | Fax # . (715) 726-4345 |
> | Chippewa Falls, WI 54729 | Office . HREB Room 261 |
> ============================================================
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