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
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ----------------------------------------------------------------------------
> -----
> DesignerCouncil Mail List provided as a free service by IPC using LISTSERV
> 16.0.
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF DesignerCouncil.
> To temporarily stop/(restart) delivery of DesignerCouncil send: SET
> DesignerCouncil NOMAIL/(MAIL) For additional information, or contact Keach
> Sasamori at [log in to unmask] or 847-615-7100 ext.2815
> ----------------------------------------------------------------------------
> -----
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ----------------------------------------------------------------------------
> -----
> DesignerCouncil Mail List provided as a free service by IPC using LISTSERV
> 16.0.
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF DesignerCouncil.
> To temporarily stop/(restart) delivery of DesignerCouncil send: SET
> DesignerCouncil NOMAIL/(MAIL) For additional information, or contact Keach
> Sasamori at [log in to unmask] or
> 847-615-7100 ext.2815
> ----------------------------------------------------------------------------
> -----
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ----------------------------------------------------------------------------
> -----
> DesignerCouncil Mail List provided as a free service by IPC using LISTSERV
> 16.0.
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF DesignerCouncil.
> To temporarily stop/(restart) delivery of DesignerCouncil send: SET
> DesignerCouncil NOMAIL/(MAIL) For additional information, or contact Keach
> Sasamori at [log in to unmask] or 847-615-7100 ext.2815
> ----------------------------------------------------------------------------
> -----
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ---------------------------------------------------------------------------------
> DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 16.0.
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF DesignerCouncil.
> To temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL)
> For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
> ---------------------------------------------------------------------------------
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________
---------------------------------------------------------------------------------
DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 16.0.
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF DesignerCouncil.
To temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL)
For additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
---------------------------------------------------------------------------------
|
