I vote footprint too. On the naming issue - We cheated and used both. For example: CAPC3216X75N-(1206). It was a the only way to keep everyone happy and on the same page.
My regards,
Steve Smith
Project Engineer
Staco Energy Products Co.
"Your tailored power solutions provider"
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-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Susy Webb
Sent: Monday, March 19, 2012 8:18 PM
To: [log in to unmask]
Subject: Re: [DC] IPC APEX Designer's Day
Footprint.... Footprint..... FOOTPRINT!!!!!
LOL.... (I have issues too, I fear!)
Susy
---- Tom Hausherr <[log in to unmask]> wrote:
> Cherie,
>
> Now we're exposing terms & definitions issues. I noticed you used the
> term "Footprint" when describing your PCB library parts, but IPC never
> uses that term. The IPC-7351 is the "Land Pattern" standard, not the
> Footprint Standard. However, everywhere I go EE engineers and PCB
> designers refer to there library parts as Footprints.
>
> Should IPC change the name of the standard to - IPC-7351C Footprint
> Standard?
>
> Does anyone on this forum refer to their PCB library parts in an
> everyday conversation with co-workers as "Land Patterns"? Or does
> everyone use the term Footprints?
>
> Example 1: if you created a calculator for library part creation,
> would you call it "The Footprint Calculator"?
>
> Example 2: do component manufacturer's use "Recommended Footprint"? or
> Land Pattern? or both?
>
> Example 3: does any CAE/CAD Vendor refer to PCB library parts as Land
> Patterns in their software?
>
> I've got issues today... Where's Jack Olson on this?
>
> Tom
>
>
> -----Original Message-----
> From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of
> [log in to unmask]
> Sent: Monday, March 19, 2012 3:43 PM
> To: [log in to unmask]
> Subject: Re: [DC] IPC APEX Designer's Day
>
> Yes, this part is interesting. I'm a big proponent for working in
> metric for the same reasons that others have expressed here.
>
> As Andy pointed out, many Americans have difficulty learning a new language.
> And for us, that's what it is. I've found that being able to think
> in both systems is one of the first steps.
>
> As I've been creating and maintaining an Altium component database
> for a company, the issue of metric vs inch is discussed from time to
> time. A good compromise has been to keep the footprint names in
> agreement with the IPC Metric base: "RESC2012X40N"; and put the
> "generic" inch based reference at the end of the description line:
> "Res 1.78K 1/8W 1% 0805". It makes for easy identification and gets everyone used to both names for the part.
>
> Cherie
>
>
> In a message dated 3/19/2012 3:21:03 P.M. Pacific Daylight Time,
> [log in to unmask] writes:
>
> Irina & All,
>
> What do you call your chip resistors and capacitors?
>
> EIA Inch Based - 1206, 0805, 0603, 0402 or IPC Metric Based - 3216,
> 2012, 1608, 1005
>
> This is where it gets interesting....
>
> Tom
>
>
> -----Original Message-----
> From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of
> Irina Leushina
> Sent: Monday, March 19, 2012 2:46 PM
> To: [log in to unmask]
> Subject: Re: [DC] IPC APEX Designer's Day
>
> Yeah, there is sort of busy game out here...
> I'm playing mils with fab houses, mm with assembly/pnp vendors,
> making lib patterns depends how the component represents from manufacturer...
>
> Personally and professionally I would prefer the universal
> measurement everywhere on the field.
>
> Regards,
> Irina Leushina
> STS-USA
> Milpitas, CA
>
>
>
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