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Questions and CommentsHave you got something to say? Visit any program page and use the Comment form at the bottom of the page to submit a comment or ask a question. Comments and questions are reviewed prior to posting. |
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Dec 16, 2024 What Rate is World Class for SMT Machines? So many comments here and no hard numbers, so as yet no one actually answered the question just lots of comments (IMHO) From my decades of experience mostly with one of the top three placement ... Robert Gray Dec 13, 2024 Should Apertures be Home Plate or Inverted Home Plate? I do the same thing as Steve O'Brien. It also prevents mid-chip solder balls and tombstoning, and works really, really well for cylindrical SMT glass MELF diodes. Otherwise, Most End up Laying on the Floor. ... Richard Stadem, General Dynamics Mission Systems Dec 9, 2024 Top Side Reflow Causing Solder Balls Just a quick note. I agree with your comments however although it was not mentioned, at what locations were the solder balls being created? Around the components, around the edges of the plated through holes, ... Leo Lambert, EPTAC Nov 22, 2024 How Do You Remove Oxidation from PCBs? One of the best ways to remove slight oxidation from HASL-finished bare PWBs and slightly tarnished immersion silver finished PWBs is to use a good-quality plasma cleaner. It can be used to not only remove ... Richard Stadem, Analog Technologies Corp. Nov 14, 2024 Big Problems with HASL Finish This problem was quite common in the late 90s. Electronic manufacturers were pushed to drive cost of boards down, so PCB with HASL finish was the preferred option over the ENIG (Electroless Nickel Immersion Gold). ... Les Watts, Testerion |
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