PCB Libraries Forum : 008004 land pattern dimensions for high yield https://www.PCBLibraries.com/forum/ Tue, 21 Apr 2026 18:43:59 +0000 Fri, 14 Jun 2024 01:29:16 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.07 360 https://www.PCBLibraries.com/forum/RSS_post_feed.asp?TID=3393 <![CDATA[PCB Libraries Forum]]> https://www.PCBLibraries.com/forum/forum_images/PCBLForumLogo.gif https://www.PCBLibraries.com/forum/ <![CDATA[008004 land pattern dimensions for high yield : The only sane thing to do in this...]]> https://www.PCBLibraries.com/forum/008004-land-pattern-dimensions-for-high-yield_topic3393_post13558.html#13558 Author: SDTKO
Subject: 3393
Posted: 14 Jun 2024 at 1:29am

The only sane thing to do in this case - as you already figured out - is talking to your assembler.

For small chip packages, chances are that generic calculators and general recommendations do more harm than good.
]]> Fri, 14 Jun 2024 01:29:16 +0000 https://www.PCBLibraries.com/forum/008004-land-pattern-dimensions-for-high-yield_topic3393_post13558.html#13558 <![CDATA[008004 land pattern dimensions for high yield : For anyone else looking, I found...]]> https://www.PCBLibraries.com/forum/008004-land-pattern-dimensions-for-high-yield_topic3393_post13556.html#13556 Author: ransonjd
Subject: 3393
Posted: 13 Jun 2024 at 7:50am

For anyone else looking, I found this IPC APEX presentation from Fuji:

https://www.ipc.org/system/files/technical_resource/E40%26S06_03%20-%20Scott%20Wischoffer.pdf]]> Thu, 13 Jun 2024 07:50:54 +0000 https://www.PCBLibraries.com/forum/008004-land-pattern-dimensions-for-high-yield_topic3393_post13556.html#13556 <![CDATA[008004 land pattern dimensions for high yield : I&#039;m going to be using 008004...]]> https://www.PCBLibraries.com/forum/008004-land-pattern-dimensions-for-high-yield_topic3393_post13555.html#13555 Author: ransonjd
Subject: 3393
Posted: 13 Jun 2024 at 7:34am

I'm going to be using 008004 (0201 metric) capacitors in an ultra-small design. 

I'd like to get as high assembly yield as possible, and I was wondering if there were any recommended low-defect land patterns? 

I've seen a number of papers on 01005 land patterns, but I haven't seen similar for 008004.  

I want as many data points as I can get. 

I have requested guidance from my assembler, and Murata provides a recommended range of dimensions. 

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