Nearly every major part I need for my latest project is packaged in a QFN (or LFCSP as they call it over at Analog Devices). I'm worried because the parts have round leads and Sunstone, the PCB prototype shop, says they can't make radiused SMD pads. Has anyone run into trouble with this, or are square pads OK?
Generally speaking the .5mm-pitch QFN seems to be on the edge of or beyond the capabilities of a proto shop like Sunstone, but Sunstone has the best tolerances I've been able to find. -jwb
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