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Autodesk EAGLE
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Autodesk EAGLE
EAGLE User Chat (English) Custom pads...
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  • Replies 6 replies
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Related

Custom pads...

autodeskguest
autodeskguest over 14 years ago

Hi there

 

I need to make a pad for this kind of pin:

http://www.pc-elektronik.dk/images/FSP.JPG

 

I have made it like this:

http://www.mespilus.dk/pad.gif

 

Is there a better way to design the pad than this? it is a combination of a

bottom SMD and two pads.

 

Peter

 

 

 

 

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  • autodeskguest
    autodeskguest over 14 years ago

    Peter Andersen schrieb:

    Hi there

     

    I need to make a pad for this kind of pin:

    http://www.pc-elektronik.dk/images/FSP.JPG

     

    I have made it like this:

    http://www.mespilus.dk/pad.gif

     

    Is there a better way to design the pad than this? it is a combination of a

    bottom SMD and two pads.

     

    Peter

     

     

     

    Perhaps the con-faston is something for you.

     

    --

    Gruß / regards

     

    Jörn

     

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  • autodeskguest
    autodeskguest over 14 years ago

    Joern Paschedag wrote:

    Peter Andersen schrieb:

    Hi there

     

    I need to make a pad for this kind of pin:

    http://www.pc-elektronik.dk/images/FSP.JPG

     

    I have made it like this:

    http://www.mespilus.dk/pad.gif

     

    Is there a better way to design the pad than this? it is a

    combination of a bottom SMD and two pads.

     

    Peter

     

     

     

    Perhaps the con-faston is something for you.

     

    I know the lib, but it is not suiteable for this design.

     

    Is it not possible to design a custom pad in eagle?

     

    In the pad i designed above, DRC is complaning about overlap (pad on a SMD)

    but i dont know how else to do it when I want a different shape than the

    given pads.

     

    Peter

     

     

     

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  • Former Member
    Former Member over 14 years ago

    Peter Andersen wrote:

    Joern Paschedag wrote:

    Peter Andersen schrieb:

    Hi there

     

    I need to make a pad for this kind of pin:

    http://www.pc-elektronik.dk/images/FSP.JPG

     

    I have made it like this:

    http://www.mespilus.dk/pad.gif

     

    Is there a better way to design the pad than this? it is a

    combination of a bottom SMD and two pads.

     

    Peter

     

     

     

    Perhaps the con-faston is something for you.

     

    I know the lib, but it is not suiteable for this design.

     

    Is it not possible to design a custom pad in eagle?

     

    In the pad i designed above, DRC is complaning about overlap (pad on a SMD)

    but i dont know how else to do it when I want a different shape than the

    given pads.

     

    Peter

     

     

    I posted asking the same question. I found a post in some electronics

    forums which claimed you can avoid the DRC errors by moving the SMD pad

    to another layer but it gave no real details. I've searched and search

    but I can't find the link again.I did find this post which indicates it

    is possible:

     

    I am mounting the power switch on my pcb board. The terminal is in

    rectangular shape but the pad in eagle is round. Is there a way to

    create a custom pad shape?

    Not without a fair bit of trouble. You will have to find a board company

    that will cut the hole out for you. Most people accept the round hole,

    unless it's obviously a bad solution.

     

    http://www.precma.it/informatica/EAGLE_faq_library.htm

     

     

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  • autodeskguest
    autodeskguest over 14 years ago

    Jay Beritz wrote:

    Peter Andersen wrote:

    Joern Paschedag wrote:

    Peter Andersen schrieb:

    Hi there

     

    I need to make a pad for this kind of pin:

    http://www.pc-elektronik.dk/images/FSP.JPG

     

    I have made it like this:

    http://www.mespilus.dk/pad.gif

     

    Is there a better way to design the pad than this? it is a

    combination of a bottom SMD and two pads.

     

    Peter

     

     

     

    Perhaps the con-faston is something for you.

     

    I know the lib, but it is not suiteable for this design.

     

    Is it not possible to design a custom pad in eagle?

     

    In the pad i designed above, DRC is complaning about overlap (pad on

    a SMD) but i dont know how else to do it when I want a different

    shape than the given pads.

     

    Peter

     

     

    I posted asking the same question. I found a post in some electronics

    forums which claimed you can avoid the DRC errors by moving the SMD

    pad to another layer but it gave no real details. I've searched and

    search but I can't find the link again.I did find this post which

    indicates it is possible:

     

    I am mounting the power switch on my pcb board. The terminal is in

    rectangular shape but the pad in eagle is round. Is there a way to

    create a custom pad shape?

    Not without a fair bit of trouble. You will have to find a board

    company that will cut the hole out for you. Most people accept the

    round hole, unless it's obviously a bad solution.

     

    http://www.precma.it/informatica/EAGLE_faq_library.htm

     

    Thanx. I think I will stick with what i got so far.

     

    Peter

     

     

     

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  • Former Member
    Former Member over 14 years ago

    What about miling 2 short slots (using layer 46)? This was often discussed

    earlier in the groups. Talk to your boardhouse. Individual shape of pads is

    long on our wishlist ...

    r

     

     

     

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  • autodeskguest
    autodeskguest over 14 years ago

    "Ing. J.M. Rafetseder" <jrafetseder@hotmail.com> wrote in message

    news:gkvppa$88u$1@cheetah.cadsoft.de...

    What about miling 2 short slots (using layer 46)? This was often discussed

    earlier in the groups. Talk to your boardhouse. Individual shape of pads

    is long on our wishlist ...

    r

     

    Yes, this is really needed somewhere down the Eagle versions priorities

    list. I asked about this a while back, and the only solution was to use

    polygons to create the copper layer "drawing" around pads or pins, such as

    might be needed when a custom shaped copper heat sink must be copper

    connected to a pad or pin with or without using a trace (perhaps for

    impedance reasons). The price is having to tell Eagle to ignore the DRC

    "overlap" errors (i.e., "approve" them), but I think the approvals are

    persistent between sessions of a newly loaded existing project unless the

    affected part gets removed and then put back into an existing project.

    Still, I think it best practice if the library designer includes a note in a

    library doc layer, and the library preview itself, indicating which DRC

    "overlap" errors must be approved for a device package used in a project.

     

    ==> It would be nice if the library itself could somehow keep a designer

    specified list of allowed overlap errors and DRC could look at that library

    list and automatically approve them.

     

     

     

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