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: Hi All,Why is there so big difference... Author: hgottliebSubject: 1659Posted: 27 Apr 2015 at 3:09amHi All, Why is there so big difference in courtyard when calculating Land Pattern with Library Experts vs IPC-7351 Land Pattern Calculator.
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_library-expert-lite-pads-and-solder-joints_topic1873.xml
. Library Expert Lite Pads and Solder Joints : The IPC 1-13 Land Pattern Committee... Author: Tom HSubject: 1873Posted: 14 Apr 2016 at 12:31pmThe IPC 1-13 Land Pattern Committee postponed the introduction of the "Proportional SMD Pad Stacks" for at least 2 years
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;fabrication allowance" which in IPC-2221B Table 9.1, right? IPC-7251 : The IPC Land Pattern committeedecided... Author: Tom HSubject: 1798Posted: 25 Nov 2015 at 5:48amThe IPC Land Pattern committee
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land and then trims the inside of the peripheral lands to achieve the desired gap around the center pad. This will almost always create a land pattern that is non-symmetric with respect to the component pads. Because
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/library-expert-2020-01-released_topic2664_post10883.html
: Updated support for V17.4 IPC-7351 Land Pattern Naming Convention: Updated the Molded Body footprint name to reflect the D & E dimensions rather than the D1
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/topic2664&OB=DESC.html
: Updated support for V17.4 IPC-7351 Land Pattern Naming Convention: Updated the Molded Body footprint name to reflect the D & E dimensions rather than the D1
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/library-expert-2020-01-released_topic2664_post10883.html
: Updated support for V17.4 IPC-7351 Land Pattern Naming Convention: Updated the Molded Body footprint name to reflect the D & E dimensions rather than the D1
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2664.html
: Updated support for V17.4 IPC-7351 Land Pattern Naming Convention: Updated the Molded Body footprint name to reflect the D & E dimensions rather than the D1
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2664&OB=ASC.html
: Updated support for V17.4 IPC-7351 Land Pattern Naming Convention: Updated the Molded Body footprint name to reflect the D & E dimensions rather than the D1
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic2601&OB=DESC.html
8.4.2 covers the basic formula but the Land Pattern Creator does not calculate these for you. You need to know the dimensions in order to create a Land Pattern, if this were the case then couldn't I
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