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PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/padstack-naming_topic2125_post8820.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5188 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 12 Apr 2017 at 7:18am Library Expert has rules established in the IPC-7351 Pad Stack Naming Convention here - http
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/padstack-naming_topic2125_post8819.html
. c45 --> SM Round 0.45 This is changed by the software to "SM Round 0_45" Is there a restricting on the padstack naming? Regards, Charles Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2125&OB=ASC.html
. c45 --> SM Round 0.45 This is changed by the software to "SM Round 0_45" Is there a restricting on the padstack naming? Regards, Charles Tom H Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_query-environment-at-the-end-of-bga-footprint-name_topic888.xml
: IPC-7351C introduces a new 3-Tier... Author: Tom HSubject: 888Posted: 14 Mar 2013 at 7:02amIPC-7351C introduces a new 3-Tier library system for all parts because of Drafting items and Local Fiducial sizes.
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_collapsing-vs-noncollapsing-bga-balls_topic1868.xml
;Solder mask expansion of 0 mils. Do you recommend for all fine-pitch non-collapsing ball to use 0 mils expansion? or what is your recommendation for SM expansion in these cases
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/jedec-standard-footprints_topic2063_post8485.html
. However, IPC says that the same pattern can be used for both because the Side Fillet is not required per IPC-J-STD-001. They do mention in Note 3 that there should be "Visible Wetting" but that's not possible with chips that do not have a terminal lead wraparound
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2063&OB=DESC.html
. However, IPC says that the same pattern can be used for both because the Side Fillet is not required per IPC-J-STD-001. They do mention in Note 3 that there should be "Visible Wetting" but that's not possible with chips that do not have a terminal lead wraparound
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/jedec-standard-footprints_topic2063_post8485.html
. However, IPC says that the same pattern can be used for both because the Side Fillet is not required per IPC-J-STD-001. They do mention in Note 3 that there should be "Visible Wetting" but that's not possible with chips that do not have a terminal lead wraparound
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/jedec-standard-footprints_topic2063.html
+ years. I have worked exclusively as a Manager for Library Services company in the past and have seen it all both good and bad. I am now working for a service-based company and we purchased Library Expert in order to maintain a centralized component database that we can export to various toolflows and with various settings (IPC-7351C vs
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