On this week's episode we talk about something that at first glance might seem mundane, but is actually one of the most importantsteps and literally the foundation in pcb assembly: past printing. In fact, approximately 65% of all assembly defects come from this process. Chris breaks down all of the components that are a part of the often misunderstood process and provides some design tips on how to make it go smoother.Show notes:-Chris will be speaking at the upcoming virtual Altium Live conference. This year's event is free! https://www.altium.com/summit/-We discuss what paste printing is and why it's so important.Solder paste-What is paste, what is it used for, and what are the different types of paste that can be used?-Clean vs no clean paste-Metal whiskering: https://en.wikipedia.org/wiki/Whisker_(metallurgy)Jet printing vs stencil printing-What is the difference between jet printing and stencil printing and what are the advantages and disadvantages of each?-https://www.worthingtonassembly.com/blog/2015/4/9/visit-to-mycronic-to-learn-about-the-my600-jet-printerProcess-What does the stencil printing process look like?Stencils-How are stencils made and what are they made of?-http://www.stentech.com/Products/stencils-https://www.youtube.com/watch?v=1gEcJvpinco-https://nanoslic.com/nanoslic-coating-system/Design tips:-Use appropriately sized parts.-Always avoid gang masking-Tips to avoid via-in-pad issues-Don't assume we'll use your data. Just leave it 1:1-Be specific if you want paste on test points or battery contacts-https://www.photostencil.com/technical-papers.phppickplacepodcast.com

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