Yawancin 'yan wasan DIY zasu gano cewa samfuran kwamiti daban-daban akan kasuwa suna amfani da m launuka launuka iri-iri.
Za a iya samun launuka na yau da kullun launuka, kore, shuɗi, rawaya, shunayya, ja, da launin ruwan kasa.
Wasu masana'antun sun inganta fararen fata, ruwan hoda da sauran launuka daban-daban na PCB.

A cikin ra'ayi na gargajiya, mai baƙar fata PcB da alama ana ajiye shi a ƙarshen ƙarshen, yayin da ja, rawaya, da sauransu, sadaukar da kai ne?

Jan ƙarfe na PCB ba tare da Skiller juriya da siyar da oxidizes sauƙi lokacin da aka fallasa iska

Mun san cewa duka gaba da bayan PCB sune yadudduka tagulla. A cikin samar da PCB, jan ƙarfe zai sami santsi da kuma wanda ba shi da kariya ko da ba shi da kariya ba da ƙari ko rage hanyar.

Kodayake kaddarorin sunadarai na tagulla ba kamar yadda aluminum, baƙin ƙarfe, magnesium, amma a gaban ruwa, tsaftace tagulla da iskar oxygen abu ne mai sauki a ciki;
Saboda gaban oxygen da ruwa tururuwa a cikin iska, farfajiya na tagulla na oxidation da daɗewa ba bayan hulɗa da iska.

Yayin da kauri daga jan ƙarfe a cikin PCB yana da bakin ciki sosai, wanda oxidized tagulla zai zama matalauta mai jagoranci na wutar lantarki, wanda zai lalata aikin wutar lantarki na gaba daya PCB.

Don hana oxidation na karfe, don raba abubuwan da ba a welded da wadanda ba a welded na PCB a yayin waldi, da kuma kare saman shafi na musamman, injiniyoyi sun haɗu da shafi na musamman.
Za'a iya amfani da kayan haɗin a farfajiya na PCB, samar da Layer kariya daga wani kauri da kuma toshe jan karfe daga lambar iska.
Wannan Layer na shafi ana kiransa Solder Reserance Layer da kayan da aka yi amfani da shi shine mai siyar da fenti.

Tunda ana kiranta fenti, dole ne launuka daban-daban.
Ee, asalin mai siyar da siyarwa zai iya zama mai launi da m, amma sau da yawa ana buƙatar buga shi a kan allo domin ya zama mai sauƙin gyara da masana'anta.

Fajin mai adawa da gaske fenti na musamman na iya nuna launi na baya na PCB, don haka ko an kera ta, an gyara shi, da aka gyara, bayyanar ba ta da kyau.
Don haka injiniyoyi suna ƙara launuka iri-iri ga mai siyar da siyar da fenti don ƙirƙirar baƙar fata ko ja ko shuɗi mai haske.

 
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Black PCBB suna da wuya a ga wayoyi, wanda ke sa kulawa ta wahala

Daga wannan ra'ayi, launi PCB bashi da alaƙa da ingancin PCB.
Bambanci tsakanin Black PCB da Blue PCB, PCB, PCB da sauran PCB na launi ya ta'allaka ne a cikin launi daban-daban na sol.

Idan aka tsara PCB da kerarre daidai wannan, launin ba zai da wani tasiri akan aikin, kuma ba zai sami tasiri a kan dissip na zafi ba.

Amma ga Black PCB, sanannen wiring ya kusan rufe gaba ɗaya, saboda haka launi ne mai dacewa don ƙira da amfani.

Don haka, a cikin 'yan shekarun nan, mutane sannu a hankali suna gyara, suna ba da amfani da baƙar fata, duhu, shuɗi mai duhu, shuɗi mai duhu, shuɗi mai duhu, da sauran kayan juriya da gyara shine don sauƙaƙe masana'antu da kiyayewa.

A wannan gaba, mun bayyana m a bayyane game da matsalar launin PCB.
The reason for the appearance of “color representative or low grade” is because manufacturers like to use black PCB to make high-end products, and red, blue, green, yellow and other low-grade products.

A taƙaice, samfurin yana ba da ma'ana ga launi, ba launi yana ba da ma'ana ga samfurin.

Wace fa'ida ce baƙin ƙarfe mai mahimmanci kamar zinare, azurfa suna da PCB?
Launi a bayyane yake, bari muyi magana game da ƙarfe mai tamani a kan PCB!
Wasu masana'antun a cikin gabatarwar kayayyakin su, za su ambaci cewa samfuran su sun yi amfani da su, a azurfa sanya matakan.
Don haka menene amfani da wannan aikin?

A farfajiya na PCB yana buƙatar abubuwa masu kyau, ana buƙatar yanki na tagulla Layer don fallasa don waldi.
Wadannan yadudduka fallasa na jan ƙarfe ana kiran suds, da kuma pads yawanci rectangular ne ko madauwari kuma suna da karamin yanki.

A sama, mun san cewa jan ƙarfe da aka yi amfani da shi a cikin PCB yana da sauƙin ciki, don haka jan ƙarfe a kan slader an fallasa iska lokacin da mai sayar da Skill Juriya ya amfani.

Idan jan ƙarfe a kan kushin yana oxidized, amma ba kawai yana da ƙarfin gaske ba, har ma yana haɓaka, wanda da gaske yana shafar aiwatar da samfurin ƙarshe.
Don haka injiniyoyi sun fito da kowane irin hanyoyi don kare pads.
Irin da fillint m karfe zinariya, commically rufe farfajiya da azurfa, ko rufe jan ƙarfe tare da fim na musamman don hana tuntuɓar da iska.

An fallasa kushin a kan PCB, an fallasa kai tsaye.
Wannan sashi yana buƙatar kariya don hana shi hadewar oxidized.

Daga wannan ra'ayi, ko azurfa ko azurfa, manufar mafarin da kanta ita ce don hana ƙoshin lafiya yayin da zasu iya tabbatar da kyakkyawan tsari.

Koyaya, yin amfani da karafa daban-daban na buƙaci zasu buƙaci lokacin ajiya da yanayin ajiya na PCB da aka yi amfani da shi a cikin shuka samarwa.
Sabili da haka, PCB masana'antu gaba ɗaya suna amfani da injin sutturar wuri don kunabci PCB kafin kammala aikin PCB da bayarwa ga abokan cinikin iskar shaka-shaka yana faruwa ga PCB zuwa iyaka.

Kafin an sanya kayan aikin akan injin, masana'antun katin kwamitin suna buƙatar gano matsayin iskar shaka na PCB, kuma tabbatar da yawan amfanin ƙwayoyin samfuran.
Mai amfani na ƙarshe don samun katin jirgi, yana cikin gwaje-gwaje iri-iri, koda bayan an yi amfani da sassan haɗi da kuma an sami kayan haɗin haɗi, da kuma an yi tasiri.

Tun da juriya na azurfa da gwal na ƙasa, za su yi amfani da karafa na musamman kamar azurfa da zinariya suna rage zafi da aka haifar yayin amfani da PCB?

Mun san cewa abin da ya shafi darajar darajar cuta shine juriya na lantarki.
Juriya da mai jagorar kanta abu, mai jagorar yanki, tsawon lokaci.
Kaurin kai mai kauri a saman ka kauri da 0.01 mm, idan amfani da ost (fim na kariya na kwayoyin) na kauri, babu wanda ya wuce kima.
Jurrage da aka nuna da irin wannan karamin kauri ne kusan sifili, ko kuma ma yaci damar yin lissafi, kuma lalle ba ya shafi zafi.