PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2990&OB=ASC.html
Include Via in Thermal Pad Footprint - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login Include Via in Thermal Pad Footprint
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_via-naming-convention_topic2038.xml
. The plane is the signal return path and trace couples with the plane. In the via pad stack, you have to define the pad, hole, anti-pad and direct plane connect (flood over
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/via-naming-convention_topic2038_post8354.html
Posted: 13 Dec 2016 at 2:05pm Isn't it time to drop the zz from the following via naming conventinon: via-xx-yy-zz where xx is the pad diameter, yy is the hole diameter and zz is the anti-pad diameter
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/via-naming-convention_topic2038.html
Posted: 13 Dec 2016 at 2:40pm Where is a via naming convention at? The anti-pad is for both Positive and Negative planes and it represents a very important value in the pad stack, especially for vias
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2038&OB=ASC.html
Posted: 13 Dec 2016 at 2:05pm Isn't it time to drop the zz from the following via naming conventinon: via-xx-yy-zz where xx is the pad diameter, yy is the hole diameter and zz is the anti-pad diameter
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/qfn-thermal-via-pitch_topic2914.html
. According to the IPC-7093A you can also solder mask define the thermal pad to dam in the paste mask to prevent it from flowing into via holes
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/qfn-thermal-via-pitch_topic2914_post11617.html
. Stencils are expensive and thin webs break. However, the paste stencil web on a 0.40 pin pitch pattern could be smaller than 0.20. We're adding a feature in the Pad Stack Rules Options to allow the user to ensure a
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/qfn-thermal-via-pitch_topic2914_post11613.html
. Stencils are expensive and thin webs break. However, the paste stencil web on a 0.40 pin pitch pattern could be smaller than 0.20. We're adding a feature in the Pad Stack Rules Options to allow the user to ensure a
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/qfn-thermal-via-pitch_topic2914.html
. According to the IPC-7093A you can also solder mask define the thermal pad to dam in the paste mask to prevent it from flowing into via holes
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2914&OB=ASC.html
. According to the IPC-7093A you can also solder mask define the thermal pad to dam in the paste mask to prevent it from flowing into via holes
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