(1) ila
Ni gbogbogbo, iwọn ila ifihan jẹ 0.3mm (12mil), iwọn laini agbara jẹ 0.77mm (30mil) tabi 1.27mm (50mil); aaye laarin ila ati laini ati paadi naa tobi ju tabi dogba si 0.33mm (13mil)). Ni awọn ohun elo ti o wulo, mu ijinna pọ si nigbati awọn ipo ba gba laaye;
Nigbati iwuwo onirin ba ga, awọn ila meji ni a le gbero (ṣugbọn kii ṣe iṣeduro) lati lo awọn pinni IC. Iwọn ila naa jẹ 0.254mm (10mil), ati aaye laini ko din ju 0.254mm (10mil). Labẹ awọn ipo pataki, nigbati awọn pinni ẹrọ jẹ ipon ati iwọn naa dín, iwọn laini ati aye laini le dinku ni deede.
(2) Paadi (PAD)
Awọn ibeere ipilẹ fun awọn paadi (PAD) ati awọn iho iyipada (VIA) jẹ: iwọn ila opin disiki naa tobi ju iwọn ila opin ti iho nipasẹ 0.6mm; fun apẹẹrẹ, gbogboogbo-idi awọn resistors pin, capacitors, ati ese iyika, ati be be lo, lo disk/iwọn iwọn ti 1.6mm/0.8 mm (63mil/32mil), sockets, pinni ati diodes 1N4007, ati be be lo, gba 1.8mm/ 1.0mm (71 mil / 39 mil). Ni awọn ohun elo gangan, o yẹ ki o pinnu ni ibamu si iwọn paati gangan. Ti awọn ipo ba gba laaye, iwọn paadi le pọ si ni deede;
Iho iṣagbesori paati ti a ṣe apẹrẹ lori PCB yẹ ki o jẹ nipa 0.2 ~ 0.4mm (8-16mil) tobi ju iwọn gangan ti pin paati.
(3) Nipasẹ (VIA)
Ni gbogbogbo 1.27mm / 0.7mm (50mil / 28mil);
Nigbati iwuwo onirin ba ga, nipasẹ iwọn le dinku ni deede, ṣugbọn ko yẹ ki o kere ju. Ro nipa lilo 1.0mm/0.6mm (40mil/24mil).

(4) Awọn ibeere ipolowo fun awọn paadi, awọn laini, ati nipasẹs
PAD ati VIA: ≥ 0.3mm (12mil)
PAD ati PAD: ≥ 0.3mm (12mil)
PAD ati ỌRỌ: ≥ 0.3mm (12mil)
Ọ̀RỌ̀ ÀTẸ̀LẸ̀: ≥ 0.3mm (12mil)
Ni iwuwo giga:
PAD ati VIA: ≥ 0.254mm (10mil)
PAD ati PAD: ≥ 0.254mm (10mil)
PAD ati ỌRỌ: ≥ 0.254mm (10mil)
Ọ̀RỌ̀ àti ÀTẸ̀LẸ̀: ≥ 0.254mm (10mil)