Yintoni umbala webhodi PCB, njengoko igama libonisa, xa ufumana ibhodi PCB, eyona intuitively ungabona umbala oyile ebhodini, nto leyo sibhekisela ngokubanzi njengombala webhodi PCB. Imibala eqhelekileyo ibandakanya eluhlaza, eluhlaza okwesibhakabhaka, obomvu kunye nomnyama, njl. Linda.

1. I-inki eluhlaza yeyona nto isetyenziswa kakhulu, inde kakhulu kwimbali, kwaye inexabiso eliphantsi kwimarike yangoku, ngoko uhlaza lusetyenziswa linani elikhulu labavelisi njengowona mbala uphambili weemveliso zabo.

2. Phantsi kweemeko eziqhelekileyo, yonke imveliso yebhodi yePCB kufuneka ihambe ngokwenza ibhodi kunye neenkqubo ze-SMT ngexesha lenkqubo yokuvelisa. Xa usenza ibhodi, kukho iinkqubo ezininzi ezimele zihambe ngegumbi eliphuzi, kuba uhlaza luseluphuzi Umphumo wegumbi lokukhanya ungcono kuneminye imibala, kodwa oku akusona sizathu esona sizathu.

Xa izinto ezithengiswayo kwi-SMT, i-PCB kufuneka ihambe kwiinkqubo ezifana ne-solder paste kunye ne-patch kunye nokuqinisekiswa kwe-AOI yokugqibela. Ezi nkqubo zifuna ukuma kwe-optical kunye nokulinganisa. Umbala oluhlaza ongasemva ungcono ukuchongwa kwesixhobo.

3. Imibala ye-PCB eqhelekileyo ibomvu, tyheli, eluhlaza, eluhlaza okwesibhakabhaka nomnyama. Nangona kunjalo, ngenxa yeengxaki ezifana nenkqubo yokuvelisa, inkqubo yokuhlolwa komgangatho wemigca emininzi kusafuneka ixhomekeke ekuqwalaselweni kwamehlo kunye nokuqatshelwa kwabasebenzi (ngokuqinisekileyo, uninzi lweteknoloji yokuvavanya i-flying probe isetyenziswa ngoku). Amehlo ahlala ejonge ebhodini phantsi kokukhanya okunamandla. Le yinkqubo yomsebenzi edinisayo kakhulu. Ukuthetha ngokuthelekisa, okuluhlaza yeyona nto inobungozi emehlweni, ngoko ke uninzi lwabavelisi kwimarike ngoku basebenzisa iiPCB eziluhlaza.

4. Umgaqo oluhlaza okwesibhakabhaka kunye nomnyama kukuba ngokulandelelanayo i-doped kunye nezinto ezifana ne-cobalt kunye nekhabhoni, ezine-conductivity ethile yombane, kunye neengxaki ze-short-circuit zinokuthi zenzeke xa amandla evuliwe. Ngaphezu koko, ii-PCB eziluhlaza zihambelana nokusingqongileyo, kwaye kwindawo zobushushu obuphezulu Xa zisetyenziswa phakathi, akukho gesi enetyhefu iya kukhutshwa.

Kukwakho nenani elincinci labavelisi kwimarike abasebenzisa iibhodi zePCB ezimnyama. Izizathu eziphambili zoku zizizathu ezibini:

Ijongeka phezulu-isiphelo;
Ibhodi elimnyama akulula ukubona i-wiring, ezisa iqondo elithile lobunzima kwibhodi yokukopisha;

Okwangoku, uninzi lweebhodi ezifakwe kwi-Android ziiPCB ezimnyama.

5. Ukususela kumanqanaba aphakathi kunye nasekupheleni kwenkulungwane yokugqibela, ishishini liye laqala ukunikela ingqalelo kumbala weebhodi zePCB, ikakhulu ngenxa yokuba abaninzi abavelisi bokuqala baye bamkela ibhodi yebhodi ye-PCB eluhlaza kwiintlobo zebhodi eziphezulu, ngoko ke abantu. kancinane kholwa ukuba PCB Ukuba umbala uluhlaza, kufuneka ibe high-end.