PCB Backdrilling ke eng? PCB backdrilling, eo hape e tsejoang e le controlled-depth drilling, e kenyelletsa ho tlosoa ha li-stubs ka har'a li-PCB tse ngata-ngata ho theha masoba a pota-potiloeng. Sepheo sa ho khutlela morao ke ho tsamaisa phallo ea matšoao pakeng tsa likarolo tse fapaneng tsa ...