N'ihi mgbagwoju anya usoro nke PCB n'ichepụta, na atụmatụ na-ewu nke nwere ọgụgụ isi n'ichepụta, ọ dị mkpa iji tụlee ihe metụtara ọrụ nke usoro na management, na mgbe ahụ na-eme akpaaka, ozi na ọgụgụ isi okirikiri nhọrọ ukwuu.
Usoro nhazi ọkwa
Dị ka ọnụ ọgụgụ nke PCB n'ígwé si dị, a na-ekewa ya na bọọdụ nwere otu akụkụ, akụkụ abụọ na nke multi-layer. Usoro bọọdụ atọ ahụ abụghị otu.
Enweghị usoro oyi akwa dị n'ime maka otu akụkụ na akụkụ abụọ, n'ụzọ bụ isi ịcha-ịkpọ ala-usoro na-esote.
Multilayer mbadamba ga-enwe usoro ime
1) Single panel usoro eruba
Ịcha na edging → mkpọ ala → elu oyi akwa ndịna-emeputa → (full mbadamba ọla edo plating) → etching → nyocha → silk screen solder mask → (ikuku ikuku na-ekpo ọkụ) → odide ihuenyo silk → nhazi ọdịdị → nnwale → nyocha
2) Usoro eruba nke okpukpu abụọ nke agba agba agba agba
Ịcha ọnụ → mkpọ ala → arọ ọla kọpa ndim → elu oyi akwa ndịna-emeputa → tin plating, etching tin mwepụ → nke abụọ mkpọpu → nnyocha → ihuenyo obibi solder mkpuchi → ọla edo-plated plọg → ọkụ ikuku larịị → silk ihuenyo odide → nhazi udi → nnwale → ule
3) Usoro nickel-ọlaedo nwere akụkụ abụọ
Ịcha ọnụ ọnụ → mkpọ ala → arọ ọla kọpa ndim → elu oyi akwa ndịna-emeputa → nickel plating, gold mwepụ na etching → secondary drilling → nnyocha → ihuenyo obibi solder nkpuchi → ihuenyo obibi akwụkwọ → nhazi udi → ule → nnyocha
4) Multi-oyi akwa osisi tin spraying usoro eruba
Ịcha na egweri → mkpọpu oghere oghere → ime oyi akwa ndịna-emeputa → ime oyi akwa etching → nnyocha → blackening → lamination → mkpọ ala → arọ ọla kọpa ndim → mpụta oyi akwa → tin plating, etching tin ewepu → secondary drilling → nyocha →Silk screen solder mask → Gold -plated plọg → Ọkwa ikuku na-ekpo ọkụ → Ihe odide ihuenyo silk → Nhazi nhazi → Nnwale → Nyocha
5) Usoro ntinye nke nickel na plating gold na mbadamba multilayer
Ịcha na egweri → mkpọpu oghere oghere → ime oyi akwa ndịna-emeputa → ime oyi akwa etching → nnyocha → blackening → lamination → mkpọ ala → arọ ọla kọpa ndim → mpụta oyi akwa → plating ọla edo, ihe nkiri mwepụ na etching → nke abụọ mkpọpu → nnyocha → Screen ebi akwụkwọ solder mkpuchi → odide ihuenyo → nhazi ụdị → nnwale → nyocha
6) Usoro eruba nke multi-layer efere imikpu nickel gold efere
Ịcha na egweri → mkpọpu oghere oghere → ime oyi akwa ndịna-emeputa → ime oyi akwa etching → nyocha → blackening → lamination → mkpọ ala → arọ ọla kọpa ndim → mpụta oyi akwa → tin plating, etching tin ewepu → secondary drilling → nyocha →Silk screen solder mask → Chemical Imikpu Nickel Gold → mkpụrụedemede ihuenyo silk → Nhazi nhazi →Nnwale → Nyocha
Mmepụta oyi akwa ime (nbufe eserese)
N'ime oyi akwa: ịkpụ osisi, n'ime oyi akwa tupu nhazi, laminating, ikpughe, DES njikọ
Ịcha (Ịkpụ osisi)
1) Ịcha osisi
Nzube: Bee nnukwu ihe n'ime nha nke MI akọwapụtara dị ka ihe achọrọ n'usoro (bechapụ ihe ndị ahụ na-emepụta ihe na nha nke ọrụ chọrọ dị ka atụmatụ atụmatụ nke nhazi tupu mmepụta)
Isi akụrụngwa: isi efere, saw agụba
A na-eji mpempe ọla kọpa mee ihe ahụ na laminate mkpuchi. E nwere dị iche iche ọkpụrụkpụ nkọwa dị ka chọrọ. Dị ka ọla kọpa ọkpụrụkpụ, ọ nwere ike kewaa H / H, 1OZ / 1OZ, 2OZ / 2OZ, wdg.
Mkpachapụ anya:
a. Iji zere mmetụta nke barry n'akụkụ osisi ahụ na àgwà, mgbe ịchachara, a ga-ehichapụ ọnụ ya na gburugburu.
b. N'iburu n'uche mmetụta nke mgbasawanye na nkwụsịtụ, a na-esi nri osisi ahụ tupu ezipụ ya na usoro ahụ
c. Ịcha ga-aṅa ntị na ụkpụrụ nke na-agbanwe agbanwe n'ibu direction
Edging / rounding: A na-eji polishing n'ibu na-ewepụ eriri iko hapụrụ site n'akụkụ aka nri nke akụkụ anọ nke osisi ahụ n'oge ịcha, ka ibelata scratches / scratches na osisi elu na ụdi mmepụta usoro, na-akpata zoro ezo àgwà nsogbu.
Efere efere: wepụ mmiri vapor na organic volatiles site na ịsa achịcha, hapụ nrụgide dị n'ime, kwalite mmeghachi omume na-ejikọta ọnụ, na ịbawanye nkwụsi ike nke akụkụ, nkwụsi ike kemịkalụ na ike ọrụ nke efere ahụ.
Ebe njikwa:
Ihe mpempe akwụkwọ: nha panel, ọkpụrụkpụ, ụdị mpempe akwụkwọ, ọla kọpa
Arụ ọrụ: oge ime achịcha/okpomọkụ, ikpokọta elu
(2) Mmepụta nke ime oyi akwa mgbe ịcha osisi
Ọrụ na ụkpụrụ:
A na-akpọsa efere ọla kọpa dị n'ime nke a na-egweri site na efere egweri, na mgbe a na-ejikọta ihe nkiri akọrọ akọrọ IW, a na-eji ọkụ UV (ụzarị ultraviolet) mee ya, ihe nkiri akọrọ akọrọ na-esikwa ike. Enweghị ike ịgbaze ya na alkali na-adịghị ike, mana enwere ike ịgbaze ya na alkali siri ike. Enwere ike ịgbaze akụkụ a na-adịghị ahụ anya na alkali na-adịghị ike, na sekit dị n'ime bụ iji njirimara nke ihe na-ebufe eserese na elu ọla kọpa, ya bụ, nnyefe oyiyi.
Nkọwa
Onye na-eme ihe na-ese foto na ihe mgbochi na mpaghara ahụ ekpughere na-amịkọrọ foton ma na-emebi n'ime radicals efu. The free radicals na-amalite a cross-njikọ mmeghachi omume nke monomers na-etolite a ohere netwọk macromolecular Ọdịdị nke bụ insoluble na itughari alkali. Ọ bụ soluble na itughari alkali mgbe mmeghachi omume.
Jiri ha abụọ nwee ihe dị iche iche solubility n'otu ihe ngwọta iji nyefee ụkpụrụ e mere na adịghị mma na mkpụrụ iji mezue nnyefe oyiyi).
Usoro sekit chọrọ ọnọdụ okpomọkụ dị elu na iru mmiri, na-achọkarị okpomọkụ nke 22+/-3 ℃ na iru mmiri nke 55+/-10% iji gbochie ihe nkiri ahụ site na nrụrụ. A chọrọ uzuzu dị n'ikuku ka ọ dị elu. Ka njupụta nke ahịrị na-abawanye na ahịrị na-adị ntakịrị, ọdịnaya uzuzu na-erughị ma ọ bụ ha nhata 10,000 ma ọ bụ karịa.
Okwu mmalite ihe:
Ihe nkiri akọrọ: Akọrọ ihe nkiri fotoresisist maka mkpụmkpụ bụ ihe nkiri na-eguzogide mmiri. Ọkpụrụkpụ bụ n'ozuzu 1.2mil, 1.5mil na 2mil. Ọ na-ekewa n'ime atọ n'ígwé: polyester nchebe film, polyethylene diaphragm na photosensitive film. Ọrụ nke polyethylene diaphragm bụ iji gbochie onye na-ahụ maka ihe mgbochi ihe nkiri dị nro ịrapagidesi ike n'elu ihe mkpuchi mkpuchi polyethylene n'oge njem na oge nchekwa nke ihe nkiri akọrọ akpọrepu. Ihe nkiri nchebe nwere ike igbochi ikuku oxygen ịbanye n'ime ihe mgbochi mgbochi ma na-emeghachi omume na mberede na free radicals n'ime ya iji mee ka photopolymerization. A na-asachapụ ihe nkiri akọrọ nke na-abụghị polymerized ngwa ngwa site na ngwọta sodium carbonate.
Ihe nkiri mmiri mmiri: Ihe nkiri mmiri mmiri bụ ihe nkiri foto na-emetụ n'ahụ nke nwere otu akụkụ nke mejupụtara resin nwere mmetụta dị elu, sensitizer, pigmenti, filler na obere ihe mgbaze. Mmepụta viscosity bụ 10-15dpa.s, na ọ nwere corrosion eguzogide na electroplating eguzogide. , Ụzọ mkpuchi ihe nkiri mmiri mmiri na-agụnye mbipụta ihuenyo na spraying.
Iwebata usoro:
Usoro onyonyo onyonyo akọrọ, usoro mmepụta bụ nke a:
Mwepụ ihe nkiri tupu ọgwụgwọ-lamination-ikpughe-mmepe-etching-film
Mee ọgwụgwọ
Ebumnuche: Wepụ ihe ndị na-emerụ emerụ n'elu ọla kọpa, dị ka griiz oxide oyi akwa na adịghị ọcha ndị ọzọ, ma mee ka elu ọla kọpa dịkwuo njọ iji kwado usoro lamination na-esote.
Isi akụrụngwa: ahịhịa ahịhịa
Usoro tupu nhazi:
(1) Ụzọ ncha aja na egweri
(2) Usoro ọgwụgwọ kemịkalụ
(3) Usoro egweri igwe
Ụkpụrụ bụ isi nke usoro ọgwụgwọ kemịkal: Jiri kemịkalụ dị ka SPS na ihe ndị ọzọ acidic na-ata n'otu aka ahụ n'elu ọla kọpa iji wepụ adịghị ọcha dị ka griiz na oxides n'elu ọla kọpa.
Nhicha kemịkalụ:
Jiri ngwọta alkaline wepụ ntụpọ mmanụ, mkpịsị aka na ihe ndị ọzọ na-adịghị ahụkebe n'elu ọla kọpa, wee jiri ngwọta acid wepụ oyi akwa oxide na mkpuchi nchebe na mkpụrụ osisi ọla kọpa mbụ nke na-adịghị egbochi ọla kọpa site na oxidized, ma mesịa mee micro- etching ọgwụgwọ nweta a akọrọ film Ofụri Esịt roughened elu na magburu onwe adhesion Njirimara.
Ebe njikwa:
a. Ọsọ egweri (2.5-3.2mm/min)
b. Yiri obosara nke scars (500 # ahịhịa agịga na-eyi obosara scars: 8-14mm, 800 # ákwà na-abụghị akwa na-eyi obosara: 8-16mm), ule igwe nri mmiri, okpomọkụ ihicha (80-90 ℃)
Lamination
Nzube: Tapawa ihe nkiri akọrọ na-adịghị emebi emebi n'elu ọla kọpa nke mkpụrụ a na-edozi site na ịpị ọkụ.
Main akụrụngwa: akọrọ film, ngwọta imaging ụdị, ọkara-aqueous imaging ụdị, mmiri-soluble akọrọ film bụ tumadi esịnede organic acid radicals, nke ga-emeghachi omume na siri ike alkali na-eme ka ọ organic acid radicals. Agbazekwa.
Ụkpụrụ: Mpịakọta ihe nkiri akọrọ (ihe nkiri): buru ụzọ wepụ ihe nkiri nchebe polyethylene site na ihe nkiri akọrọ, wee mado ihe nkiri akọrọ na-eguzogide na mbadamba ọla kọpa n'okpuru ikpo ọkụ na ọnọdụ nrụgide, ihe mgbochi na fim akọrọ na oyi akwa na-adị nro. okpomọkụ na mmiri mmiri ya na-abawanye. A na-emecha ihe nkiri ahụ site na nrụgide nke igwe na-ekpo ọkụ na-ekpo ọkụ na omume nke nrapado na mgbochi.
Ihe atọ nke reel akọrọ film: nrụgide, okpomọkụ, nnyefe ọsọ
Ebe njikwa:
a. Ọsọ ihe nkiri (1.5+/- 0.5m/min), nrụgide ịse foto (5+/-1kg/cm2), okpomọkụ ịse foto (110+/——10 ℃), okpomọkụ ọpụpụ (40-60℃)
b. Ihe mkpuchi mmiri mmiri: ink viscosity, mkpuchi ọsọ, mkpuchi mkpuchi, oge ime achịcha / okpomọkụ (nkeji 5-10 maka akụkụ mbụ, nkeji 10-20 maka akụkụ nke abụọ)
Mkpughepụ
Ebumnuche: Jiri isi iyi ọkụ bufee onyonyo dị na ihe nkiri izizi gaa na mkpụrụ osisi na-enwe mmetụta.
Isi ihe eji eme ihe: Ihe nkiri a na-eji n'ime oyi akwa nke ihe nkiri ahụ bụ ihe nkiri na-adịghị mma, ya bụ, akụkụ nke na-ebunye ọkụ na-acha ọcha bụ polymerized, na akụkụ ojii bụ opaque na-adịghị emeghachi omume. Ihe nkiri a na-eji na oyi akwa dị n'èzí bụ ihe nkiri dị mma, nke na-emegide ihe nkiri a na-eji n'ime oyi akwa.
Ụkpụrụ nke ikpughe ihe nkiri akọrọ: Onye na-eme ihe na-ese foto na ihe mgbochi na mpaghara ahụ ekpughere na-amịkọrọ photons na-emebi n'ime radicals efu. The free radicals na-amalite cross-njikọ mmeghachi omume nke monomers na-etolite a ohere netwọk macromolecular Ọdịdị insoluble ke itughari alkali.
Ihe njikwa: nhazi ziri ezi, ike ikpughe, onye na-achị ọkụ mkpughe (ihe nkiri mkpuchi ọkwa 6-8), oge obibi.
Na-emepe emepe
Nzube: Jiri lye na-asachapụ akụkụ fim kpọrọ nkụ nke na-enwetabeghị mmeghachi omume kemịkal.
Isi akụrụngwa: Na2CO3
A na-asachapụ ihe nkiri akọrọ akọrọ nke na-emeghị ka ọ bụrụ polymerization, na ihe nkiri akọrọ nke mebere polymerization na-edobe n'elu osisi dị ka ihe mgbochi nchebe n'oge etching.
Development ụkpụrụ: The nọ n'ọrụ dị iche iche na unexposed akụkụ nke photosensitive film-emeghachi omume na itughari alkali ngwọta n'ịwa soluble bekee na igbari, si otú igbari na-ekpughere akụkụ, mgbe akọrọ film nke kpughere akụkụ adịghị etisasịwo.