PCB Libraries, Inc. | https://www.pcblibraries.com/forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html
0.15 mm (6 mils). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote/?cpn=0
* Thru Hole Placements BGA / QFN AS9100 Double Sided Quote Type Fabrication Quote China Fab Quote Assembly Quote Advertised Specials Get a free prototype with your next production order
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2497&OB=DESC.html
). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/throughhole-padstack-roundoff_topic982&OB=DESC_page2.html
? My guys like to use 0.01mm with Proportional Fab Level. I cannot find a way to do that in the user settings, so we were changing the roundoff on the fly
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/batch-mode-additional-characters_topic998_post3790.html
: 16 May 2012 Location: San Diego Status: Offline Points: 404 Post Options Post Reply Quote Jeff.M Report Post Thanks(0) Quote Reply Posted: 30 Jun 2013 at 12:21pm The only way to do that for now is to change to the user environment and fab level suffix preference to be blank
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/throughhole-padstack-roundoff_topic982_post3722.html
? My guys like to use 0.01mm with Proportional Fab Level. I cannot find a way to do that in the user settings, so we were changing the roundoff on the fly
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic998&OB=ASC.html
: 16 May 2012 Location: San Diego Status: Offline Points: 423 Post Options Post Reply Quote Jeff.M Report Post Thanks(0) Quote Reply Posted: 30 Jun 2013 at 12:21pm The only way to do that for now is to change to the user environment and fab level suffix preference to be blank
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2497&OB=ASC.html
0.15 mm (6 mils). The big issue is the pad annular ring. The fab shop will add 3 - 4 mils to the finished hole size. Then you must consider drill drift and layer to layer tolerance of 3 mil
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic501&OB=ASC.html
. Pulsonix_Productivity_Kit.zip The contents are: o AutoCAD Tools (These are exactly the same as those found in the PADS Productivity Pack) § Drafting Details § Drill Charts § Fab Notes § Instructions § Lay-up Details § Start Files § Title Blocks o Board Outlines Inch Pulsonix
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/pcb-design-optimization-starts-in-the-cad-library_topic468&OB=ASC_page3.html
. The pad size, drafting items, feature spacing & round-off values are not compatible. Inch design = Inch libraries & Metric design = Metric libraries". If I recall, on another occasion Tom mentioned PCB fab houses having to translate everything to imperial units
