PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html
. Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring. IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/smallest-via-hole-that-can-use-a-3-mils_topic2497_post10288.html
. Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring. IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2497&OB=DESC.html
. Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring. IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2497&OB=ASC.html
. Then after the drill oversize and the layer to layer tolerance you still need to have 1 mil annular ring. IPC Class 3 Hole = 8 mil (0.20 mm) Pad = 20 mil (0.50 mm) IPC Class 2 Hole = 8 mil (0.20 mm) Pad = 18 mil (0.45 mm) The via hole tolerance would be
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problematic if the manufactured product is an IPC Class 3 system where downtime and lack of performance cannot be tolerated, and the end-users well-being could be in jeopardy. A few prime examples are life support equipment, heavy construction machinery and
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your company altogether. This can be especially problematic if the manufactured product is an IPC Class 3 system where downtime and lack of performance cannot be tolerated, and the end-users well-being could be in jeopardy. A few prime examples are life
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PCB Libraries Forum : smallest via hole that can use a +/- 3 mils PCB Libraries Forum : smallest via hole that can use a +/- 3 mils This is an XML content feed of
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The Top 3 Technologies that will Change the Electronics Manufacturing Industry Looking for solder training standards, manuals, kits, and more
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The Top 3 Technologies that will Change the Electronics Manufacturing Industry - EPTAC - Train. Work Smarter. Succeed Looking for solder training standards, manuals, kits, and more
