AOI vs SPI on the SMT Line
One checks the paste, the other checks the part. Use both at the right stage.
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Practical notes on PCB fabrication, PCBA assembly, component strategy and manufacturing economics — written by the KOMKIA engineering team.
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From the KOMKIA Engineering Desk
Trace Width and Current Capacity
A trace is a resistor you did not draw. Size it before it heats.
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EMI Shielding in PCB Design
Unwanted radiation is a design choice you made by omission. Close the loops.
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Blind and Buried Vias Explained
Vias that do not go all the way buy routing space at process cost.
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The PCB Plating Process
Copper in the holes is what makes a via a via. Plating quality is board quality.
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Moisture Sensitivity Levels (MSL)
Moisture inside a package turns reflow into a small explosion. Know your level.
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Low-Temperature Solder Alloys
When the board or parts cannot take 260 °C, drop the peak with a low-temp alloy.
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Panel Fiducials and Their Importance
Without fiducials, the machine is guessing. A few marks fix the whole panel.
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