1. Matsayin iska mai zafi a saman farfajiya na PCB Molten Tin jagorantar Sold da kuma mai zafi da aka daidaita matakin (busa ƙurjini). Yin shi ne samar da tsayayyen abu mai tsayayyen abu mai tsayayye na iya samar da weldability. Mai tsananin iska mai zafi da jan karfe na jan karfe-Sikkim a cikin Junction, tare da kauri kamar 1 zuwa 2mil.
2. Organic Sojan Conservative (OSP) ta hanyar haɓakar ƙwayoyin cuta ta shafi ƙwayoyin cuta a kan tsabta ta tagulla. Filin fim ɗin PCB na mullla mullla na yana da ikon yin tsayayya da hadawa, tsoro na zafi, da danshi ko sulfurization, da sauransu) a ƙarƙashin yanayin al'ada. A lokaci guda, a cikin zazzabi mai zuwa, ana cire waldi mai walƙiya cikin sauri.

3. NI-AU SUCE COMELG CUTURCE tare da kauri, mai kauri Ni-inu Alloy Konen Pictries don kare allon PCB multileyer. Na dogon lokaci, sabanin OSP, wanda aka yi amfani dashi azaman Layer Layer, ana iya amfani dashi don amfani da PCB da samun iko mai kyau. Bugu da kari, yana da haƙurin muhalli da sauran hanyoyin magance su ba su da shi.

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Fitar da zafi, yanayin da aka ƙazantar da shi har yanzu yana ba da kyakkyawan aikin lantarki da walwala mai kyau, amma tarnish. Domin babu shickel a karkashin Layer Layer, Azurfa ta precipariated Azumi ba shi da kyakkyawar ƙarfin jiki game da kayan kwalliya mara kyau.

5.The Mai Gudanarwa a farfajiya na PCB multileyer na zare tare da zinare na nickel, da farko tare da Layer na nickel sannan tare da Layer na zinari. Babban manufar nickel farantin shine hana yaduwa tsakanin zinari da jan ƙarfe. There are two types of nickel-plated gold: soft gold (pure gold, which means it doesn't look bright) and hard gold (smooth, hard, wear-resistant, cobalt and other elements that look brighter). Ana amfani da zinari mai laushi don guntu caballing layin layi; Ana amfani da zinari mai wuya don rashin haɗin haɗin lantarki wanda ba a kula da wutar lantarki ba.

6. PCB gauraye na jiyya na jiyya na jiyya zaɓi biyu ko sama da haka, Nikkel na zinare mai zafi, nickel na zinare mai zafi. Kodayake canji a cikin PCB mulllaperorder Computer ba mahimmanci kuma da alama yana da nisa sosai, ya kamata a lura cewa dogon lokaci canji zai kai ga canji mai sauƙi. Tare da ƙara bukatar kariya na muhalli, fasahar jiyya na waje na PCB yana daure don canzawa cikin gaba.