No.

>>> Steve Collins <[log in to unmask]> 09/10/97 03:57PM >>>
Lisa is this library available in any CAD formats such as PADS or OrCAD.

Steve

----------
> From: Lisa Williams <[log in to unmask]>
> To: [log in to unmask]
> Subject: Re: [TECHNET] Good footprint library
> Date: Wednesday, September 10, 1997 8:28 AM
>
> Try IPC-SM-782, Suface Mount Design and Land Pattern Standard.  It is
available through the IPC. $45 for member companies and $90 for nonmembers.
>
> Contact the IPC Order Department at:
>   847/509-9700       phone
>   847/509-9798       fax
>   [log in to unmask]   email
>   www.ipc.org          internet
>
> Lisa Williams
> IPC Technical Staff
>
>
> >>> Johannes Sivula <[log in to unmask]> 09/10/97 08:04AM >>>
> Hi Techneters
>
> Does anyone know a good site/book/source , commercial/non-commercial for
> SMD footprints library.
> I have been assigned to update our footprint library, and I am not
> satisfied with footprints
> given in data books of component suppliers.  I presume that  those
> footprints are not optimized
> for IR reflow, nor carefully experimented.
>
> Does anyone know any mathematical formula to be used to check roughly
> dimensions of a pad ?
>
> We make multilayer FR4 boards, HAL/Immersion Gold finish, no clean flux,
> which is probably causing solder
> balls. This problem is coped by reducing the size of stensil apertures.
How
>  much it can be reduced ?
> Does anyone have comment on that ?
>
>
> Thanks  for your time and cooperation.
>
> Brs,
>
> Johannes Sivula, Reliability Engineer, Tellabs Oy,

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