The isi ihe onwunwe nke sekit osisi nke electro-acoustic PCB factory naanị nwere ọla kọpa foil na abụọ, na n'etiti bụ insulating oyi akwa, n'ihi ya, ha adịghị mkpa na-eduzi n'etiti Double n'akụkụ ma ọ bụ. sekit multi-layer nke bọọdụ sekit?Kedu ka esi ejikọta ahịrị dị n'akụkụ abụọ ọnụ ka nke ugbu a na-aga nke ọma? N'okpuru, biko hụ electroacoustic PCB emeputa iji nyochaa usoro anwansi a maka gị - sinking ọla kọpa (PTH). Ọla kọpa imikpu bụ mbiri nke Eletcroless Plating Copper, nke a makwaara dị ka Plated through Hole, nke akpọrọ PTH, nke bụ mmeghachi omume redox autocatalytic.Mgbe agbachara okpukpu abụọ ma ọ bụ multi-layer board, a na-eme usoro PTH. Ọrụ PTH: N'elu mgbidi oghere na-adịghị arụ ọrụ nke a gwupụrụ, a na-edobe obere oyi akwa nke ọla kọpa kemịkalụ ka ọ bụrụ ihe eji eme ọla kọpa electroplating na-esote. PTH usoro ire ere: alkaline degreasing → secondary ma ọ bụ tertiary countercurrent rinsing → coarsening (micro-etching) → secondary countercurrent rinsing → presoak → activation → secondary countercurrent rinsing → degumming → secondary countercurrent rinsing → ọla kọpa sinking
Nkọwa usoro nkọwa PTH: 1. Alkaline na-emebi emebi: wepụ mmanụ mmanụ, akara mkpịsị aka, oxides, na uzuzu na pores;gbanwee mgbidi pore site na ụgwọ ọjọọ na ụgwọ dị mma, nke dị mma maka mgbasa ozi nke colloidal palladium na usoro na-esote;ihicha mgbe emechasịchara ya ga-agbasorịrị usoro ntuziaka a, jiri ule ihu ọla kọpa imikpu. 2. Micro-etching: wepụ oxides na osisi elu, roughen osisi elu, na hụ na ezi bonding ike n'etiti ụdi ọla kọpa immersion oyi akwa na ala ọla kọpa nke mkpụrụ;ọhụrụ ọla kọpa elu nwere ike ọrụ na ike nke ọma adsorb colloid palladium; 3. Pre-dip: Ọ bụ tumadi iji kpuchido tankị palladium site na mmetọ nke mmiri mmiri na-edozi ahụ ma mee ka ndụ ọrụ nke palladium dị ogologo.Ihe ndị bụ isi bụ otu ihe ahụ dị na palladium tank ma e wezụga maka palladium chloride, nke nwere ike ime ka mgbidi oghere dị mma ma mee ka ọ rụọ ọrụ nke mmiri mmiri na-esote.Tinye oghere na oge maka ịrụ ọrụ zuru oke ma dị irè; 4. Activation: Mgbe polarity ukpụhọde nke alkaline degreasing pretreatment, ndị ziri ezi ebubo pore mgbidi ike n'ụzọ dị irè banye ezuru ọjọọ ebubo colloidal palladium ahụ iji hụ na uniformity, continuity na compactness nke ụdi ọla kọpa ọdịda;Ya mere, nkwụsịtụ na ịgbalite dị ezigbo mkpa maka ịdị mma nke ntinye ọla kọpa na-esote.Ihe njikwa: oge a kapịrị ọnụ;ọkọlọtọ stannous ion na ion ion chloride;ike ndọda kpọmkwem, acidity na okpomọkụ dịkwa oke mkpa, na a ghaghị ịchịkwa ha nke ọma dịka ntuziaka ọrụ si dị. 5. Degumming: wepụ ions ndị dị egwu na-ekpuchi n'èzí nke colloidal palladium particles iji kpughee isi palladium n'ime ụmụ irighiri colloidal ka ọ na-eme ka mmeghachi omume mmiri ozuzo na-ekpo ọkụ na-eme ka ọ dị mma.Ahụmahụ na-egosi na ọ ka mma iji fluoroboric acid dị ka onye na-egbu egbu.s Nhọrọ. 6. Ọla kọpa: Ọkpụkpụ ọla kọpa na-enweghị ọla kọpa autocatalytic na-akpalite site na ntinye nke palladium nucleus.Enwere ike iji ọla kọpa kemịkal ahụ emepụtara ọhụrụ na mmeghachi omume sitere na ngwaahịa hydrogen dị ka ihe na-akpalite mmeghachi omume ahụ, nke mere na mmeghachi omume mmiri ozuzo na-aga n'ihu na-aga n'ihu.Mgbe nhazi site na usoro a, enwere ike idobe akwa ọla kọpa kemịkalụ n'elu osisi ma ọ bụ mgbidi oghere.N'oge usoro a, a ga-edobe mmiri mmiri ịsa ahụ n'okpuru mkpasu iwe nkịtị iji gbanwee ọla kọpa bivalent soluble karịa.
Ogo nke usoro imikpu ọla kọpa na-emetụta kpọmkwem àgwà nke osisi sekit mmepụta.Ọ bụ isi iyi usoro nke ogbenye vias, oghere na obere sekit, na ọ dịghị adaba maka visual nlele.Enwere ike nyochaa usoro na-esote naanị site na nnwale na-emebi emebi.Nyocha na nlekota nke ọma nke a otu PCB osisi , Ya mere ozugbo nsogbu mere, ọ ga-abụrịrị nsogbu batch, ọ bụrụgodị na ule ahụ enweghị ike ịmecha, ngwaahịa ikpeazụ ga-eme ka nnukwu ihe egwu zoro ezo na ịdị mma, ma enwere ike wepụ ya na batches, n'ihi ya, a ghaghị iji ya rụọ ọrụ nke ọma dị ka usoro ahụ si dị. parameters nke ntuziaka ọrụ. 
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