MenenePCBmizanin duba kamanni?
1. Marufi: buhun iska mara launi mara launi, tare da desiccant ciki, cike da tam
2. Buga allo na siliki: bugu na siliki na haruffa da alamomi a saman PCB dole ne su kasance a bayyane kuma a bayyane, kuma launi dole ne ya bi ka'idoji, ba tare da maimaita bugu ba, bugu da aka ɓace, bugu da yawa, karkatar da matsayi, da kuskure.
3. Board gefen allo surface: Duba ko akwai tabo, sundries, ramummuka, tin slag saura a kan PCB surface;ko saman allon yana da zazzage kuma an fallasa shi zuwa ga substrate;Akwai yadudduka, da sauransu.
4. Direbobi: Ba gajeriyar da'ira ba, buɗaɗɗen da'ira, fallasa jan ƙarfe a cikin madugu, foil ɗin tagulla mai iyo, ƙarin wayoyi, da sauransu. Yatsa na zinari: ƙyalli, bumps / kumfa, tabo, rufin jan karfe mai iyo, murfin saman, burrs, plating adhesion, da dai sauransu.
5. Ramuka: Bincika a baya na PCBs masu kyau don bincika ko akwai ramukan rawar soja da suka ɓace, ramukan rawar soja da yawa, toshe ramuka, da karkacewar ramuka.Solder mask: Kuna iya amfani da ruwan wanke allo don goge shi yayin dubawa don duba mannewa, duba ko zai faɗi, ko akwai kumfa, ko akwai wani sabon abu na gyarawa, da dai sauransu. Dole ne launi na abin rufe fuska ya cika ka'idoji. .
6. Alama: hali, tunani batu, model version, wuta rating / UL.misali, babin gwajin lantarki, farantin sunan masana'anta, kwanan watan samarwa, da sauransu.
7. Girman girman: auna ko ainihin girman PCB mai shigowa kamar yadda aka ƙayyade a cikin tsari.
Binciken warpage ko curvature:
8. Solderability gwajin: Dauki wani ɓangare na PCB ga ainihin soldering, da kuma duba ko sassa za a iya sauƙi soldered.
Lokacin aikawa: Afrilu-12-2023