(1) Ahịrị
N'ozuzu, obosara akara mgbaàmà bụ 0.3mm (12mil), obosara akara ike bụ 0.77mm (30mil) ma ọ bụ 1.27mm (50mil); Ebe dị n'etiti ahịrị na ahịrị na mpe mpe akwa karịrị 0.33mm (13mil) ma ọ bụ nhata). Na ngwa bara uru, mụbaa anya mgbe ọnọdụ kwere;
Mgbe njupụta wiring dị elu, enwere ike ịtụle ahịrị abụọ (mana akwadoghị) iji pin IC. Ogologo ahịrị ahụ bụ 0.254mm (10mil), na oghere ahịrị erughị 0.254mm (10mil). N'okpuru ọnọdụ pụrụ iche, mgbe ntụtụ ngwaọrụ dị oke ma obosara dị warara, obosara ahịrị na oghere ahịrị nwere ike belata nke ọma.
(2) Mpempe akwụkwọ (PAD)
Ihe ndị bụ isi a chọrọ maka pads (PAD) na oghere ntụgharị (VIA) bụ: dayameta nke diski dị ukwuu karịa dayameta nke oghere site na 0.6mm; dị ka ọmụmaatụ, n'ozuzu-ebumnobi pin resistors, capacitors, na integrated sekit, wdg, na-eji disk / oghere size nke 1.6mm/0.8 mm (63mil/32mil), sockets, pin na diodes 1N4007, wdg, na-ewere 1.8mm/ 1.0mm (71mil/39mil). N'ime ngwa n'ezie, ekwesịrị ikpebi ya dabere na nha nke akụrụngwa n'ezie. Ọ bụrụ na ọnọdụ kwenye, enwere ike ịbawanye nha mpe mpe akwa nke ọma;
Oghere nrịgo akụrụngwa emebere na PCB kwesịrị ịdị ihe dịka 0.2 ~ 0.4mm (8-16mil) buru ibu karịa nha n'ezie nke ntụtụ akụrụngwa.
(3) Site na (VIA)
N'ozuzu 1.27mm / 0.7mm (50mil / 28mil);
Mgbe njupụta wiring dị elu, enwere ike belata site na nha nke ọma, mana o kwesịghị ịdị obere. Tụlee iji 1.0mm/0.6mm (40mil/24mil).

(4) Ihe achọrọ maka pads, ahịrị, na vias
PAD na VIA: ≥ 0.3mm (mil 12)
PAD na PAD: ≥ 0.3mm (12mil)
Mpempe akwụkwọ na usoro: ≥ 0.3mm (mil 12)
Usoro na usoro: ≥ 0.3mm (mil 12)
Na njupụta dị elu:
PAD na VIA: ≥ 0.254mm (10mil)
PAD na PAD: ≥ 0.254mm (10mil)
Mpempe akwụkwọ na usoro: ≥ 0.254mm (10mil)
Track na Track: ≥ 0.254mm (10mil)