PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1458&OB=ASC.html
!! NEW: Library Editor: Added over 5,000 Case Code parts in SM, BGA & TH FPX (for customers only) Updated Sample FPX with 235 parts Altium
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351c-draft-or-release-date_topic1818_post10416.html
. These chapters are very old and taken from the 1987 IPC-SM-782 and explain the mathematical model for land pattern calculation. But the math model is intended for public knowledge and we created an Excel spreadsheet reference calculator to prove that it works
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351c-draft-or-release-date_topic1818_page1.html
. These chapters are very old and taken from the 1987 IPC-SM-782 and explain the mathematical model for land pattern calculation. But the math model is intended for public knowledge and we created an Excel spreadsheet reference calculator to prove that it works
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_general-discussion_forum41.xml
. The IPC-SM-782 was around for 18 years with Pin 1 Lower Left. One person (Jamie Smith) who never attended any Land Pattern meetings or any IPC development meetings attended the 2004 IPC APEX meeting and he questioned the Pin 1 Zero Component Orientation should be changed to the Upper
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_jedec-standard-footprints_topic2063.xml
:46pmYou need separate Chip land patterns for Capacitors and Resistors. Capacitors should have a side fillet and Resistors do not. However, IPC says that the same pattern can be used for both because the Side Fillet is not required per IPC-J-STD-001
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc7351c-draft-or-release-date_topic1818&OB=ASC_page3.html
. These chapters are very old and taken from the 1987 IPC-SM-782 and explain the mathematical model for land pattern calculation. But the math model is intended for public knowledge and we created an Excel spreadsheet reference calculator to prove that it works
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/component-placement-courtyards_topic1905.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5251 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 16 Jun 2016 at 7:27am The current IPC Courtyards have been around since 1987 when IPC-SM-782 was released and introduced them
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1905&OB=ASC.html
: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5376 Post Options Post Reply Quote Tom H Report Post Thanks(0) Quote Reply Posted: 16 Jun 2016 at 7:27am The current IPC Courtyards have been around since 1987 when IPC-SM-782 was released and introduced them
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic1002&OB=DESC.html
– Crosshair Batch Create – Add switch to turn off the addition of the environment suffix Expedition – Properly translate D-Shaped pads Switching Through-hole environment from Proportional to any IPC environment and back to Proportional BGA
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