Hi Andrew,
They optionally provide beveling of the board where the fingers are.
Have you been having them do that too for the S-100 boards? What angle
beveling have you had them do?
Thanks,
Todd
* Andrew Lynch <
LYN...@YAHOO.COM> [140421 19:56]:
> HI
>
> Gold edge fingers are an option the PCB order screen at PCBcart.com
>
>
>
> Just specify the number and they plate them.
>
>
>
> Thanks and have a nice day!
>
> Andrew Lynch
>
>
>
> From: Andrew Bingham [mailto:
abin...@gmail.com]
> Sent: Monday, April 21, 2014 2:29 PM
> To:
n8vem...@googlegroups.com> Cc: Andrew Lynch
> Subject: Re: [N8VEM-S100:3132] Re: boards uploaded to wiki
>
>
>
> Andrew,
>
>
>
> How do you specify the gold plating on the edge connectors? For S-100 cards this is an important consideration.
>
>
>
> I read in my own research that the ENIG gold finish
that is used to prep for soldering is only about .1 microns of gold over 5 microns of nickel and that a proper Hard Gold coating for a card edge connector is 1.5 microns gold over 5 microns nickel.
>
>
>
> Are the past S-100 boards you have done for the group ENIG, or something else?
>
>
>
> Some of the cheaper prototype PCB places don't even offer ENIG at all in their basic products, let alone a hard gold type coating. So this is a discriminator for what process to select.
>
>
>
> Andrew B
>
> On Monday, April 21, 2014 9:00:54 AM UTC-7, lynchaj wrote:
>
> Hi Neil
>
>
>
> Any board house will probably do fine.
>
>
>
> I use PCBcart.com for "production" boards and 33each.com for prototypes.
>
>
>
> Good luck! Thanks and have a nice day!
>
> Andrew Lynch
>
>
>
> From: nbreeden <
nbr...@me.com <_javascript_:> >
> To:
n8ve...@googlegroups.com <_javascript_:>
> Sent: Sunday, April 20, 2014 5:11 PM
> Subject: [N8VEM-S100:3132] Re: boards uploaded to wiki
>
>
>
> Andrew,
>
>
>
> Can you provide some info on who you use to manufacture the boards etc? I'm completely new to this; using someone you've had success with seems like a good idea.
>
>
>
> -Neil
>
>
> On Sunday, April 20, 2014 5:58:35 AM UTC-7, lynchaj wrote:
>
> Hi
>
> I uploaded the EDA files, schematics, and PCB layout files for the S-100 80286 CPU V2, S-100 SMB V2, and S-100 MS DOS Support V2 boards to the wiki in their appropriate folder.
>
>
>
> These boards are ready for production so if you want to make some orders feel free.
Thanks and have a nice day!
>
> Andrew Lynch
>
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