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IPC-7351 Padstack Naming Convention - PCB Libraries Forum - Page 1

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipc7351-padstack-naming-convention_topic36_post3503.html

0.30 buried via with 0.15 Hole; 3 is the starting layer, 6 is the end layer   The through hole “IPC-7251 Padstacks.xls” file should be used as the basis for a new chart in IPC-7251 and IPC-7351B.  Note

PCB Libraries, Inc.

IPC-7351 Padstack Naming Convention - PCB Libraries Forum - Page 1

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351-padstack-naming-convention_topic36_post87.html

0.30 buried via with 0.15 Hole; 3 is the starting layer, 6 is the end layer   The through hole “IPC-7251 Padstacks.xls” file should be used as the basis for a new chart in IPC-7251 and IPC-7351B.  Note

PCB Libraries, Inc.

IPC-7351 Padstack Naming Convention - PCB Libraries Forum - Page 1

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic36&OB=ASC.html

0.30 buried via with 0.15 Hole; 3 is the starting layer, 6 is the end layer   The through hole “IPC-7251 Padstacks.xls” file should be used as the basis for a new chart in IPC-7251 and IPC-7351B.  Note

PCB Libraries, Inc.

IPC-7351 Padstack Naming Convention - PCB Libraries Forum - Page 1

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351-padstack-naming-convention_topic36&OB=ASC_page1.html

0.30 buried via with 0.15 Hole; 3 is the starting layer, 6 is the end layer   The through hole “IPC-7251 Padstacks.xls” file should be used as the basis for a new chart in IPC-7251 and IPC-7351B.  Note

PCB Libraries, Inc.

BGA Pad Size - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/bga-pad-size_topic2607_post10645.html

?   Looking through IPC-7351B there are many explanations that seem to point to different sizes than the tool creates.   Also, most manufactures suggest the footprint

PCB Libraries, Inc.

BGA Pad Size - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post12477.html

: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5193 Post Options Post Reply Quote Tom H Report Post    Thanks(0)    Quote    Reply Posted: 22 Mar 2021 at 2:10pm Non-collapsing BGA balls are intended for fine pitch parts where a normal dog-bone via fanout cannot be achieved and you must use via-in-pad technology for this trace routing solution

PCB Libraries, Inc.

BGA Pad Size - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/bga-pad-size_topic2607_post11390.html

?   Looking through IPC-7351B there are many explanations that seem to point to different sizes than the tool creates.   Also, most manufactures suggest the footprint

PCB Libraries, Inc.

BGA Pad Size - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post10649.html

?   Looking through IPC-7351B there are many explanations that seem to point to different sizes than the tool creates.   Also, most manufactures suggest the footprint

PCB Libraries, Inc.


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