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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