PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic677&OB=ASC.html
: 5376 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 13 Nov 2012 at 7:45am Whenever the pin pitch and the hole size conflict with the design rules, I use an oblong pad shape with a minimum pad on the sides
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/hole-size-roundoff_topic2124_post8812.html
. I would like the hole size to round off at 0.05 mm. In that case I will end up with hole sizes like 0.80, 0.95 and so on. Is there a setting in the preferences that will do that
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/hole-size-roundoff_topic2124_post8811.html
: 15 Mar 2012 Location: UK Status: Offline Points: 99 Post Options Post Reply Quote IanOnBass Report Post Thanks(1) Quote Reply Posted: 02 Apr 2017 at 12:17pm Changing the pad size round-off affects the hole size rounding too
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/hole-size-roundoff_topic2124.html
. I would like the hole size to round off at 0.05 mm. In that case I will end up with hole sizes like 0.80, 0.95 and so on. Is there a setting in the preferences that will do that
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2124&OB=ASC.html
. I would like the hole size to round off at 0.05 mm. In that case I will end up with hole sizes like 0.80, 0.95 and so on. Is there a setting in the preferences that will do that
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/RSS_ipc2221-2222-and-throughhole-pad-stacks_topic2586.xml
;There is also a Toolbox with a Pad Stack Calculator. You can either enter the terminal lead length width or the hole size length and width and it will calculate all the pad stack details.
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc2221-2222-and-throughhole-pad-stacks_topic2586_post10872.html
. Most fabrication shops require a minimum annular ring of 0.35 mm (15 mil) over the hole size. Making the plane anti-pad annular ring smaller could cause the drill hole to be too close to the copper plane and making it larger removes important plane
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc2221-2222-and-throughhole-pad-stacks_topic2586_post10876.html
. Most fabrication shops require a minimum annular ring of 0.35 mm (15 mil) over the hole size. Making the plane anti-pad annular ring smaller could cause the drill hole to be too close to the copper plane and making it larger removes important plane
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipc2221-2222-and-throughhole-pad-stacks_topic2586.html
. Most fabrication shops require a minimum annular ring of 0.35 mm (15 mil) over the hole size. Making the plane anti-pad annular ring smaller could cause the drill hole to be too close to the copper plane and making it larger removes important plane copper that carries the signal return path
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc2221-2222-and-throughhole-pad-stacks_topic2586.html
. Most fabrication shops require a minimum annular ring of 0.35 mm (15 mil) over the hole size. Making the plane anti-pad annular ring smaller could cause the drill hole to be too close to the copper plane and making it larger removes important plane copper that carries the signal return path
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