PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/footprint-error-padpad-clearance-fail_topic2283.html
Footprint Error Pad-Pad clearance fail - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Footprint Error Pad-Pad clearance fail
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/footprint-error-padpad-clearance-fail_topic2283_post9405.html
Footprint Error Pad-Pad clearance fail - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Footprint Error Pad-Pad clearance fail
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
ORION Industries | http://orionindustries.com/sil-pad.php
. In general, Sil-Pad is a term used for Bergquist's silicone rubber-based thermally conductive insulators. Typical construction for these products is a silicone binding material, compounded with thermally conductive fillers, which is then coated on a carrier material
ORION Industries | http://orionindustries.com/gap-pad.php
. However, problems may still arise when heat sinks are used on irregularly sized components. Gaps between them may allow excessive heat to accumulate This is where Bergquist's Gap Pad VO(tm) shines
ORION Industries | http://orionindustries.com/q-pad.php
. Please contact your ORION sales representative for additional information on Q-Pad interface materials, and for a list of standard configurations
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic3004.html
? I understand that the main reason for the pad oversize is to be able to use via in pad due to the limitation of routing traces in the same layer as the pad
COT specializes in high quality SMT nozzles and consumables for pick and place machines. We provide special engineering design service of custom nozzles for those unique and odd components.
2481 Hilton Drive
Gainesville, GA USA
Phone: (770) 538-0411
