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Autodesk EAGLE
EAGLE User Chat (English) Via's and solder mask
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Related

Via's and solder mask

Former Member
Former Member over 15 years ago

As of now all my via's are NOT covered with solder mask.

Hoe can I cover all via's with solder mask?

 

Harry

 

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  • Former Member
    Former Member over 15 years ago

    With only the via layer on, select them as a group and then Change-Stop-on.

     

     

     

    "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    news:hvt9rh$fha$1@cheetah.cadsoft.de...

    As of now all my via's are NOT covered with solder mask.

    Hoe can I cover all via's with solder mask?

    >

    Harry

     

     

     

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  • Former Member
    Former Member over 15 years ago

     

    "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    news:hvt9rh$fha$1@cheetah.cadsoft.de...

    As of now all my via's are NOT covered with solder mask.

    Hoe can I cover all via's with solder mask?

    >

    Harry

     

    Hello Harry,

     

    Here is the information under FAQ on the CadSoft website...

     

    EAGLE generates by default a solder stop mask for each Via (also for Pads

    and SMDs, of course). This means the Via is free of coating material. The

    solder stop mask is drawn automatically in the layers 29, tStop, for the top

    side and 30, bStop, for the bottom side. The size of the solder stop mask

    can be determined in the Design Rule's Mask settings. See the values for

    Stop. By default the value is fixed to 4 mils. Minimum and Maximum are set

    to the same values therefore.

    If you want to have a diameter-dependent mask you could also define a

    certain percentage. The resulting value can be limited by a minimum and a

    maximum.

     

    In order to have vias coated, EAGLE allows you to set the solder stop Limit

    in the Design Rules' Mask tab. Here you can define a value which is

    dependent on the drill diameter of the via. Let's assume you would like to

    set the Limit to 0.012 inch. Now all vias in the layout up to a drill

    diameter of 0.012 inch will be covered with coating material. All those vias

    that have bigger drills will stay uncovered.

    In case you want to have some smaller drilled vias uncovered, you have the

    possibility to select vias out of those that are covered in order to uncover

    them. This can be done with the command CHANGE STOP ON | OFF in the Layout

    Editor. This also works for groups.

     

    By the way: It is allowed to draw areas that should remain free of coating

    material in the tStop/bStop layers directly. But it is not possible to

    delete certain automatically generated solder stop symbols there. You have

    to deal with Limit and CHANGE STOP ON | OFF instead.

     

    Terri

     

     

     

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    That doesn't work.

    But also selecting stop in the via properties doesn't shows any change on

    layer 29-30

     

    "Doug" <doug@midnitesolar.com> wrote in message

    news:hvtca1$qmr$1@cheetah.cadsoft.de...

    With only the via layer on, select them as a group and then

    Change-Stop-on.

    >

    >

    >

    "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    news:hvt9rh$fha$1@cheetah.cadsoft.de...

    >> As of now all my via's are NOT covered with solder mask.

    >> Hoe can I cover all via's with solder mask?

    >>

    >> Harry

    >

     

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    You are right.

    I forgot about that not working if the drill is >0.

     

    "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    news:hvtg2r$alq$1@cheetah.cadsoft.de...

    That doesn't work.

    But also selecting stop in the via properties doesn't shows any change on

    layer 29-30

    >

    "Doug" <doug@midnitesolar.com> wrote in message

    news:hvtca1$qmr$1@cheetah.cadsoft.de...

    >> With only the via layer on, select them as a group and then

    >> Change-Stop-on.

    >>

    >>

    >>

    >> "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    >> news:hvt9rh$fha$1@cheetah.cadsoft.de...

    >>> As of now all my via's are NOT covered with solder mask.

    >>> Hoe can I cover all via's with solder mask?

    >>>

    >>> Harry

    >>

    >>

     

     

     

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    This also doesn't work as I expected to be.

    My via's have a size of 0.019685inch.

    My minimum drill size = 0.5 mm

    In the Mask tab I enter 0,5 mm in the Limit box and then click on Apply but

    nothing changes.

    In layer 29 and 30 still the solder stop masks are visible.

     

    "Terri Miller" <tmiller@sunstone.com> wrote in message

    news:hvtcg1$r1r$1@cheetah.cadsoft.de...

    >

    "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    news:hvt9rh$fha$1@cheetah.cadsoft.de...

    >> As of now all my via's are NOT covered with solder mask.

    >> Hoe can I cover all via's with solder mask?

    >>

    >> Harry

    >

    Hello Harry,

    >

    Here is the information under FAQ on the CadSoft website...

    >

    EAGLE generates by default a solder stop mask for each Via (also for Pads

    and SMDs, of course). This means the Via is free of coating material. The

    solder stop mask is drawn automatically in the layers 29, tStop, for the

    top side and 30, bStop, for the bottom side. The size of the solder stop

    mask can be determined in the Design Rule's Mask settings. See the values

    for Stop. By default the value is fixed to 4 mils. Minimum and Maximum are

    set to the same values therefore.

    If you want to have a diameter-dependent mask you could also define a

    certain percentage. The resulting value can be limited by a minimum and a

    maximum.

    >

    In order to have vias coated, EAGLE allows you to set the solder stop

    Limit in the Design Rules' Mask tab. Here you can define a value which is

    dependent on the drill diameter of the via. Let's assume you would like to

    set the Limit to 0.012 inch. Now all vias in the layout up to a drill

    diameter of 0.012 inch will be covered with coating material. All those

    vias that have bigger drills will stay uncovered.

    In case you want to have some smaller drilled vias uncovered, you have the

    possibility to select vias out of those that are covered in order to

    uncover them. This can be done with the command CHANGE STOP ON | OFF in

    the Layout Editor. This also works for groups.

    >

    By the way: It is allowed to draw areas that should remain free of coating

    material in the tStop/bStop layers directly. But it is not possible to

    delete certain automatically generated solder stop symbols there. You have

    to deal with Limit and CHANGE STOP ON | OFF instead.

    >

    Terri

    >

     

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    The procedure described in the faq works for me.   Are you sure that

    your limit is set to a value greater than the drill used for the vias?

    0.5mm is pretty close to 0.019685in so maybe you need to adjust the

    limit up just a tad?

     

    Jim

     

    Harry H. Arends wrote:

    This also doesn't work as I expected to be.

    My via's have a size of 0.019685inch.

    My minimum drill size = 0.5 mm

    In the Mask tab I enter 0,5 mm in the Limit box and then click on Apply

    but nothing changes.

    In layer 29 and 30 still the solder stop masks are visible.

     

    "Terri Miller" <tmiller@sunstone.com> wrote in message

    news:hvtcg1$r1r$1@cheetah.cadsoft.de...

    >>

    >> "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    >> news:hvt9rh$fha$1@cheetah.cadsoft.de...

    >>> As of now all my via's are NOT covered with solder mask.

    >>> Hoe can I cover all via's with solder mask?

    >>>

    >>> Harry

    >>

    >> Hello Harry,

    >>

    >> Here is the information under FAQ on the CadSoft website...

    >>

    >> EAGLE generates by default a solder stop mask for each Via (also for

    >> Pads and SMDs, of course). This means the Via is free of coating

    >> material. The solder stop mask is drawn automatically in the layers

    >> 29, tStop, for the top side and 30, bStop, for the bottom side. The

    >> size of the solder stop mask can be determined in the Design Rule's

    >> Mask settings. See the values for Stop. By default the value is fixed

    >> to 4 mils. Minimum and Maximum are set to the same values therefore.

    >> If you want to have a diameter-dependent mask you could also define a

    >> certain percentage. The resulting value can be limited by a minimum

    >> and a maximum.

    >>

    >> In order to have vias coated, EAGLE allows you to set the solder stop

    >> Limit in the Design Rules' Mask tab. Here you can define a value which

    >> is dependent on the drill diameter of the via. Let's assume you would

    >> like to set the Limit to 0.012 inch. Now all vias in the layout up to

    >> a drill diameter of 0.012 inch will be covered with coating material.

    >> All those vias that have bigger drills will stay uncovered.

    >> In case you want to have some smaller drilled vias uncovered, you have

    >> the possibility to select vias out of those that are covered in order

    >> to uncover them. This can be done with the command CHANGE STOP ON |

    >> OFF in the Layout Editor. This also works for groups.

    >>

    >> By the way: It is allowed to draw areas that should remain free of

    >> coating material in the tStop/bStop layers directly. But it is not

    >> possible to delete certain automatically generated solder stop symbols

    >> there. You have to deal with Limit and CHANGE STOP ON | OFF instead.

    >>

    >> Terri

    >>

    >>

     

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  • Former Member
    Former Member over 15 years ago in reply to Former Member

    That's it, changed it to 0.02inch

     

    "James Littlefield" <jal@alum.mit.edu> wrote in message

    news:hvu6p1$vc$1@cheetah.cadsoft.de...

    The procedure described in the faq works for me.   Are you sure that your

    limit is set to a value greater than the drill used for the vias?

    0.5mm is pretty close to 0.019685in so maybe you need to adjust the limit

    up just a tad?

    >

    Jim

    >

    Harry H. Arends wrote:

    >> This also doesn't work as I expected to be.

    >> My via's have a size of 0.019685inch.

    >> My minimum drill size = 0.5 mm

    >> In the Mask tab I enter 0,5 mm in the Limit box and then click on Apply

    >> but nothing changes.

    >> In layer 29 and 30 still the solder stop masks are visible.

    >>

    >> "Terri Miller" <tmiller@sunstone.com> wrote in message

    >> news:hvtcg1$r1r$1@cheetah.cadsoft.de...

    >>>

    >>> "Harry H. Arends" <info@oldtimetech.nl> wrote in message

    >>> news:hvt9rh$fha$1@cheetah.cadsoft.de...

    >>>> As of now all my via's are NOT covered with solder mask.

    >>>> Hoe can I cover all via's with solder mask?

    >>>>

    >>>> Harry

    >>>

    >>> Hello Harry,

    >>>

    >>> Here is the information under FAQ on the CadSoft website...

    >>>

    >>> EAGLE generates by default a solder stop mask for each Via (also for

    >>> Pads and SMDs, of course). This means the Via is free of coating

    >>> material. The solder stop mask is drawn automatically in the layers 29,

    >>> tStop, for the top side and 30, bStop, for the bottom side. The size of

    >>> the solder stop mask can be determined in the Design Rule's Mask

    >>> settings. See the values for Stop. By default the value is fixed to 4

    >>> mils. Minimum and Maximum are set to the same values therefore.

    >>> If you want to have a diameter-dependent mask you could also define a

    >>> certain percentage. The resulting value can be limited by a minimum and

    >>> a maximum.

    >>>

    >>> In order to have vias coated, EAGLE allows you to set the solder stop

    >>> Limit in the Design Rules' Mask tab. Here you can define a value which

    >>> is dependent on the drill diameter of the via. Let's assume you would

    >>> like to set the Limit to 0.012 inch. Now all vias in the layout up to a

    >>> drill diameter of 0.012 inch will be covered with coating material. All

    >>> those vias that have bigger drills will stay uncovered.

    >>> In case you want to have some smaller drilled vias uncovered, you have

    >>> the possibility to select vias out of those that are covered in order to

    >>> uncover them. This can be done with the command CHANGE STOP ON | OFF in

    >>> the Layout Editor. This also works for groups.

    >>>

    >>> By the way: It is allowed to draw areas that should remain free of

    >>> coating material in the tStop/bStop layers directly. But it is not

    >>> possible to delete certain automatically generated solder stop symbols

    >>> there. You have to deal with Limit and CHANGE STOP ON | OFF instead.

    >>>

    >>> Terri

    >>>

    >>>

     

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