Bari mu ci gaba da gabatar da wani sashe na sharuɗɗan PCB SMT.
Sharuɗɗa da ma'anar da muka gabatar da farko suna bin IPC-T-50. An samo ma'anar ma'anar da alamar alama (*) daga IPC-T-50.
1.
2. Gyara: Tsarin canza girma da siffar apertures.
3.
4.
5. Squeegee: Ruwan roba ko ƙarfe wanda ke jujjuya da kyau sosai solder manna a fadin stencil saman da kuma cika apertures. Yawanci, ana ɗora ruwan wukake a kan na'urar bugawa kuma yana angled ta yadda gefen bugu na ruwa ya faɗo a bayan kan na'urar da kuma gaban fuskar squeegee yayin aikin bugawa.
6. Daidaitaccen BGA: Tsarin Grid na Ball tare da farar ball na 1mm [39mil] ko mafi girma.
7. Stencil: Kayan aiki wanda ya ƙunshi firam, raga, da takardar sirara mai yawa tare da buɗaɗɗen buɗe ido ta inda ake canja wurin manna solder, m, ko wasu matsakaici zuwa PCB.
8.
9. Fasahar Dutsen-Tsawon Tsawon (SMT)*: A kewaye fasahar haɗuwa inda aka haɗa haɗin wutar lantarki na abubuwan da aka haɗa ta hanyar pads masu gudanarwa a saman.
10.
11.
A cikin labari na gaba, za mu koyi game da kayan SMT Stencil.
