The Ibhodi PCB sihlala sibona ukuba nemibala emininzi. Enyanisweni, le mibala yenziwe ngokushicilela iimaski ze-solder ze-PCB ezahlukeneyo. Imibala eqhelekileyo kwibhodi yesekethe ye-solder ye-PCB imaski eluhlaza, emnyama, ebomvu, eluhlaza okwesibhakabhaka, emhlophe, etyheli, njl.njl. Abantu abaninzi banomdla wokwazi, yintoni umahluko phakathi kwezi bhodi zesekethe zemibala eyahlukileyo?

Nokuba yibhodi yesekethe kwisixhobo sombane, i-motherboard yefowuni ephathwayo okanye i-motherboard yekhompyuter, iibhodi zesekethe zePCB zisetyenziswa. Ukusuka kwindawo yokujonga, iibhodi zesekethe zePCB ziza ngemibala eyahlukeneyo, eluhlaza ixhaphake kakhulu, ilandelwa yiblue, ebomvu, emnyama, emhlophe njalo njalo.

Kungakhathaliseki ukuba yintoni umbala webhodi yesiphaluka yenombolo yempahla efanayo, umsebenzi wayo uyafana. Iibhodi zeesekethe zemibala eyahlukileyo zibonisa ukuba umbala we-mask solder esetyenzisiweyo uhlukile. Umsebenzi oyintloko we-mask solder kukubeka kwi-mask ye-solder ukugubungela iingcingo zokugquma kunye nokuthintela imijikelezo emfutshane. Uhlaza luhlala lubonwa, kuba wonke umntu usetyenziselwa ukusebenzisa i-inki ye-solder ye-mask eluhlaza kwiibhodi zesekethe, kunye nabavelisi bemaski ye-solder ngokubanzi bavelisa i-oyile eluhlaza, kwaye iindleko ziya kuba ngaphantsi kunezinye i-inks zombala. , Phantse zonke zikhoyo. Ewe kunjalo, abanye abathengi baya kufuna eminye imibala, enjengomnyama, obomvu, tyheli, njl., Ke kufuneka baprintelwe ngeminye imibala ye-solder mask.

I-inki kwibhodi yesekethe ye-PCB, ngokuqhelekileyo ukuthetha, kungakhathaliseki ukuba yintoni umbala we-solder mask, indima yayo ayifani kakhulu. Umahluko ophambili ngumahluko obonakalayo. Ngaphandle kombala omhlophe osetyenziswe kwi-aluminium substrate kunye ne-backlight, kuya kubakho umehluko othile ekukhanyeni ukukhanya, kwaye eminye imibala isetyenziselwa ukukhuselwa kwe-solder kunye nokukhuselwa kwe-insulation.

Iimaski ze-solder zemibala eyahlukeneyo ziprintwa kwibhodi yesiphaluka. Nangona umahluko wokusebenza ungemkhulu, kusekho umahluko omncinci. Eyokuqala kukuba ibonakala ihlukile. Ngokuzithoba, ndivakalelwa kukuba umnyama kunye nohlaza okwesibhakabhaka ziphezulu, kwaye iimfuno ziya kuba phezulu. Nangona kunjalo, iibhodi zeesekethe ezisebenzisa imaski ye-solder eluhlaza zixhaphake kangangokuba ziziva zixhaphake kakhulu. Iipaneli ezininzi ezingatshatanga zisebenzisa imaski yesolder eluhlaza. Xa kuthelekiswa nomnyama, akulula ukubona ipateni yomgca, kwaye ukugubungela kuya kuba ngcono, oku kunokuthintela ukukopisha kontanga kwinqanaba elithile. Imhlophe ibonakalisa ukukhanya ngcono, kwaye isetyenziselwa ukukhanyisa okanye ukukhanyisa kwakhona.

Uninzi lweemaski zokuthengisa ezisetyenziswa kwiibhodi zesekethe ziluhlaza, kwaye iimaski zokuthengisa ezisetyenziswa kwiibhodi ze-eriyali eziguquguqukayo zefowuni ikakhulu zimnyama namhlophe. Ibhodi yocingo kunye nebhodi imodyuli yekhamera ubukhulu becala sebenzisa yellow solder ukumelana inki, kunye nebhodi bar ukukhanya isebenzisa emhlophe okanye matt white solder ukumelana inki.

Ngokuqhelekileyo, yintoni umbala we-solder ukumelana ne-inki esetyenziswa kwi-PCB ixhomekeke ngokukodwa kwiimfuno zomthengi womzi-mveliso webhodi yesekethe. Umbala awunayo impembelelo enkulu ekusebenzeni. Kancinci kukuba ukuba i-photosensitive solder resist inki isetyenziswa, ngokuqhelekileyo kulula ukuba mhlophe. Ngaphandle kwetywina lefilimu. Kwibhodi yesekethe eguquguqukayo, imaski ye-solder emhlophe ayixhathisi kakhulu ukugoba kuneminye imibala.

Kukho kwakhona iimaski ze-solder kwiibhodi zeesekethe ezinemibala ekhethekileyo. Uninzi lwezi imaski zombala ezikhethekileyo ze-solder zilungiswa ngabavelisi be-inki, kwaye ezinye zixutywe kunye neentlobo ezimbini zee-inki zemaski ze-solder ngomlinganiselo othile. Ihlanganiswe ngaphandle (ezinye iifektri ezinkulu zebhodi yesekethe, i-oyile blender ngaphakathi iya kulungelelanisa umbala)

Kungakhathaliseki ukuba yintoni umbala we-PCB solder ukumelana ne-inki, kufuneka ibe nokuprintwa okulungileyo kunye nesisombululo, ukuze ihlangabezane neemfuno zesikrini sesilika kunye neemfuno zemveliso yomzi-mveliso.