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    how to create footprint in IPC standard level??

    Hi everyone
    i am new bee for PCB design ,i like to create the footprint in IPC standard level.so i create footprint please check whether it is correct or not???

    1.in pad designer
    soldermask top =begin layer +10mil(0.65mm+393mm(10mil)=0.9042).wither is it correct or not?? but my teamleader say SM=Begin layer+6mils enough for pad creation but in allegro book SM TOp= begin layer +6mils

    which one is correct ??
    kapil

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  2. #2
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    Re: how to create footprint in IPC standard level??

    Look up IPC-7351 and related documentation etc, all footprint data is covered.


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  3. #3
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    Re: how to create footprint in IPC standard level??

    hi marce
    how can get the IPC_7351 document???? if you have please post for me thanking you
    kapil



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  4. #4
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    Re: how to create footprint in IPC standard level??

    To obtain ICP72351, go to IPC - Association Connecting Electronics Industries and buy it: it is not free.


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    Re: how to create footprint in IPC standard level??

    Buy LP Wizard or download the free LP Viewer.
    It"s used to quickly search and locate the correct Land Pattern that matches your component dimensions or manufacturer’s case code information or your personal corporate part number.
    Download Link:
    Free LP Wizard Evaluation Software - Mentor Graphics


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  6. #6
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    Re: how to create footprint in IPC standard level??

    This link has free downloadable documentation regarding IPC-7351
    The CAD Library of the Future - Mentor Graphics
    Before mentor baught Valor (and by default PCBMatrix) there was lots of in formation and resources on the PCBmatrix site and some excellent PCB based forums, unfortenatly thay has now all gone. In this case I belive it is a great loss to PCB design in general, as I have always recomended IPC-7351 to hobbyist as well as professionals, so the more out there the better and the more people using it the better. Despite hollow promises that things wouldn't change, they did.
    That said if you work for a firm involved in PCB design, fabrication, assembly etc then being a member of the IPC is highly recomended, the resources and standards cover everything you want to do and all PCB manufacturers work to these standards.


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  7. #7
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    Re: how to create footprint in IPC standard level??

    Quote Originally Posted by marce View Post
    This link has free downloadable documentation regarding IPC-7351
    The CAD Library of the Future - Mentor Graphics
    Before mentor baught Valor (and by default PCBMatrix) there was lots of in formation and resources on the PCBmatrix site and some excellent PCB based forums, unfortenatly thay has now all gone. In this case I belive it is a great loss to PCB design in general, as I have always recomended IPC-7351 to hobbyist as well as professionals, so the more out there the better and the more people using it the better. Despite hollow promises that things wouldn't change, they did.
    That said if you work for a firm involved in PCB design, fabrication, assembly etc then being a member of the IPC is highly recomended, the resources and standards cover everything you want to do and all PCB manufacturers work to these standards.

    I agree with Marce, long time back i downloaded the LP wizard for free but now i cant even get the viewer because Mentor do not give that also for free....
    Mashak
    IPC CID


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    Re: how to create footprint in IPC standard level??

    Quote Originally Posted by mashak View Post
    I agree with Marce, long time back i downloaded the LP wizard for free but now i cant even get the viewer because Mentor do not give that also for free....
    You can still get the viewer for free at Mentor Graphics


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