PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/footprint-land-pattern-naming-convention_topic29_post1969.html
" (as we call "mil" over on this side of the pond), excellon data which could either be also in thou (good) or metric (not ideal but the CAM software could snap drill hits back to pad centres
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/footprint-land-pattern-naming-convention_topic29_page1.html
. Using the 10 um or 0.01 mm grid then 0.1" being 2.54 mm means you don't have any problem here as long as you output your CAM data in the same units as your design and with one more degree of precision, i.e. mm 3.3
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/footprint-land-pattern-naming-convention_topic29_post1986.html
" (as we call "mil" over on this side of the pond), excellon data which could either be also in thou (good) or metric (not ideal but the CAM software could snap drill hits back to pad centres
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/footprint-land-pattern-naming-convention_topic29&OB=DESC_page1.html
. Using the 10 um or 0.01 mm grid then 0.1" being 2.54 mm means you don't have any problem here as long as you output your CAM data in the same units as your design and with one more degree of precision, i.e. mm 3.3
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic29&OB=DESC.html
. Using the 10 um or 0.01 mm grid then 0.1" being 2.54 mm means you don't have any problem here as long as you output your CAM data in the same units as your design and with one more degree of precision, i.e. mm 3.3
