kicad-developers team mailing list archive

[Andrew Zonenberg <azonenberg@xxxxxxxxxxxxxxx>]

I dont know the DRC code but it should be easy: enumerate all pads and
vias, measure outside diameter and drill size and subtract. If less than
minimum, complain.

On 05/06/16 14:54, Chris Pavlina wrote:
> I would like that very much, but not sure how feasible it is. Thoughts from
> someone who knows the DRC code?
> 
> On Sun, Jun 05, 2016 at 02:49:15PM -0700, Andrew Zonenberg wrote:
>> On that note... Thoughts on adding a new DRC rule for minimum annular ring?
>>
>>
>> On 05/06/16 14:29, Chris Pavlina wrote:
>>> Yeah, the vias still have their size stored in the pcb file.
>>>
>>> On Sun, Jun 05, 2016 at 09:27:08PM +0000, Jon Neal wrote:
>>>> Sounds like a fantastic idea. I've definitely been bitten by this one as
>>>> well.
>>>>
>>>> I am assuming this will still keep backwards compatibility for those who
>>>> have already created boards with default sized vias?
>>>>
>>>> On Sun, Jun 5, 2016 at 5:23 PM José Ignacio <jose.cyborg@xxxxxxxxx> wrote:
>>>>
>>>>> I like both suggestions, I got bitten by the annular ring issue before
>>>>> because the DRC doesn't even check for that.
>>>>>
>>>>> On Sun, Jun 5, 2016 at 4:06 PM, Chris Pavlina <pavlina.chris@xxxxxxxxx>
>>>>> wrote:
>>>>>> Hi,
>>>>>>
>>>>>> Just a quick warning - I'm going to update the default via size to 0.8mm
>>>>>> diam/0.4mm drill, as the current default of 0.6/0.4 isn't manufacturable
>>>>> at
>>>>>> most general purpose fabs. Annular ring too narrow. That should be
>>>>>> uncontroversial, but I'm still giving a bit of warning to make sure
>>>>> nobody's
>>>>>> too attached to that.
>>>>>>
>>>>>> Simon Wells suggested allowing that value to be read from the .pro
>>>>> instead, so
>>>>>> it can be set in the default template instead of hardcoded. I might do
>>>>> that
>>>>>> later, as it seems like a win in general. Objections?
>>>>>>
>>>>>> --
>>>>>> Chris
>>>>>>
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>>
> 
>

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