| May 30, 2024
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Several multilayer backplanes were mistakenly manufactured with missing plating for 24 holes on each board. The top and bottom side pads were in place, but the holes had no plating, so the inner layers were not connected. Each hole required an internal connection to either layer 2 or layer 3. Making connections to various layers complicated the rework solution, and of course, these backplanes were critical, so ...
Featrure Story
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When we are baking multiple trays of parts stacked on top of each other in our oven, will this lessen the effect of baking on the components in the middle trays. Do the trays need to be separated? We bake our components according to IPC specifications.
Ask the Experts
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Due to tin-whisker mitigation concerns, re-balling BGA components from lead-free to tin-lead solder is a critical requirement by some high-reliability customer applications. This technical paper by Circuit Technology Center discusses the key process steps of this highly specialized process.
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Solder mask has one primary purpose at a BGA site: to isolate solder wetting to a specific area, e.g., the BGA pad so that a good solder joint will be formed. Solder mask usually isolates the pad from the conductor or the track leading to a via or plated hole. Sometimes, the track and hole are completely ...
Featrure Story
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MIT engineers are working to give robots a bit of “common sense” when faced with situations that push them off their trained paths. To do so, they’ve developed a method that connects robot motion data with “common sense knowledge” contained in large language models, or LLMs.
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"She was on vacation for three weeks, but burned up on re-entry."
Copyright © Randy Glasbergen
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Trivia
List these inventions in chronological order: Television, Polaroid Camera, Tape Recorder
See the answer below.
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Quote of the Week
"Change is the law of life. And those who look only to the past or present are certain to miss the future."
John F. Kennedy
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