Circuit hukumar manufacturer: hadawan abu da iskar shaka bincike da kuma inganta Hanyar nutsewa zinariya PCb jirgin?

1. Hotunan Immersion Gold Board tare da Poor Oxidation:

2. Bayanin Immersion Plate Oxidation:
Oxidation na da'irar da'ira na da'ira na zinari na masana'anta shi ne cewa saman gwal ɗin yana gurɓata da ƙazanta, kuma ƙazantattun da ke tattare da saman gwal ɗin sun zama oxidized kuma suna canza launin, wanda ke haifar da oxidation na saman gwal ɗin da muke da shi. sau da yawa kira.A gaskiya ma, bayanin oxidation na zinariya ba daidai ba ne.Zinariya karfe ne maras amfani kuma ba zai zama oxidized a ƙarƙashin yanayin al'ada ba.Najasa da aka haɗe zuwa saman gwal kamar ions jan ƙarfe, ions nickel, microorganisms, da dai sauransu suna da sauƙi oxidized kuma sun lalace a ƙarƙashin yanayin al'ada don samar da iskar shaka na zinariya.Abubuwa.

3. Ta hanyar lura, an gano cewa hadawan abu da iskar shaka na immersion zinariya kewaye hukumar yafi yana da wadannan halaye:
1. Rashin aikin da bai dace ba yana haifar da gurɓataccen abu don mannewa saman gwal, kamar: sanya safofin hannu masu datti, gadajen yatsa suna tuntuɓar saman gwal, tuntuɓar farantin zinare tare da ƙazantattun kayan tebur, faranti na goyan baya, da sauransu;irin wannan yanki na oxidation yana da girma kuma yana iya faruwa a lokaci guda A kan madaidaicin madaidaicin madaidaicin, launi na bayyanar yana da sauƙi kuma sauƙi don tsaftacewa;
2. Half-toshe rami, ƙananan sikelin oxidation kusa da ramin;Wannan nau'in oxidation yana faruwa ne saboda ruwan yao a cikin rami ko ramin rabin toshe ba a tsaftace shi ko ragowar tururin ruwa a cikin ramin, ruwan yao a hankali yana yaduwa tare da bangon ramin yayin da ake ajiyar kayan da aka gama. an kafa shi a saman zinariya;
3. Rashin ingancin ruwa yana haifar da najasa a cikin ruwa don toshewa a saman zinare, kamar: wanka bayan nutsewar zinare, wankewa da gamawar faranti, irin wannan yanki na oxidation kadan ne, yawanci yana bayyana a kusurwoyin kowane pads, wanda shine. mafi bayyane Tabon Ruwa;bayan an wanke farantin zinariya da ruwa, za a sami ɗigon ruwa a kan kushin.Idan ruwan ya ƙunshi ƙarin ƙazanta, ɗigon ruwa zai ƙafe da sauri kuma ya ragu zuwa sasanninta lokacin da zafin jiki ya fi girma.Bayan ruwan ya ƙafe, ƙazanta za su daɗa ƙarfi A kusurwoyin pad, manyan gurɓatattun abubuwa don wankewa bayan nutsewa cikin zinari da kuma wankewa a cikin injin da aka gama faranti sune fungi.Musamman tanki tare da ruwan DI ya fi dacewa da yaduwar naman gwari.Mafi kyawun hanyar dubawa ita ce taɓa hannu ba tare da komai ba.Bincika idan akwai ji mai zamewa a kusurwar mataccen bangon tanki.Idan akwai, yana nufin cewa ruwan ya gurɓata;
4. Yin nazarin allon dawowar abokin ciniki, an gano cewa saman zinari ba shi da yawa, saman nickel ya ɗan lalace, kuma wurin oxidation yana ƙunshe da wani abu mara kyau na Cu.Wannan sinadari na jan ƙarfe yana yiwuwa ne saboda ƙarancin ƙarancin zinariya da nickel da ƙaura na ions tagulla.Bayan an cire irin wannan nau'in oxidation, zai ci gaba da girma, kuma akwai haɗarin sake sakewa.