He aha nga tikanga whakakikorua mo te PCB?

He aha nga tikanga whakakikorua mo te PCB?

The electroplating process of poari porowhita ka taea te whakarōpūtia ki te waikawa waro hiko hiko hiko, i te hiko / nickel hiko / koura me te tine hiko.

Raina Whakakapi

1, Whakarōpūtanga o te hātepe hiko:

He waikawa nganga parahi hiko hiko / koni electroplating koura

2, Tukanga rere:

Piki → whakakikorua parahi i runga i te papa katoa → Whakawhitinga tauira → waikawa waikawa → horoinga whakahee tuarua

Countercurrent rinsing → acid dipping → graphic copper plating → secondary countercurrent rinsing → nickel plating → secondary water washing → citric acid dipping → gold plating → recovery → 2-3-stage pure water washing → drying

3, Whakaahuatanga Tukanga:

（1） Piki

Ole Te mahi me te kaupapa:

Tangohia te waikura i runga i te mata o te pereti ka whakahohe i te mata o te pereti. Ko te tikanga, ko te kukume he 5%, a ko etahi e mau tonu ana mo te 10%, ko te nuinga kia kore ai te wai e kawe mai kia kaha ai te waikawa waikawa whanariki i roto i te waika waipeka.

② The acid leaching time should not be too long to prevent oxidation of the plate surface; After use for a period of time, if the acid solution is turbid or the copper content is too high, it shall be replaced in time to prevent contamination of the plated copper cylinder and plate surface;

③ Ka whakamahia te waikawa sulfuric CP ki konei;

（2, Te whakakikorua parahi katoa: e mohiotia ana ko te parahi tuatahi, te hiko pereti, te whakakikorua o te roopu, te mahi me te kaupapa:

Tiakina te parahi matū angiangi o te putunga atu, aukati i te parahi matū kei hopukia e te waikawa i muri i te waikura, ka taapirihia ki tetahi waahanga ma te hiko hiko

② Nga waahanga tukatuka e pa ana ki te whakakikorua o te parahi i runga i te pereti katoa: ko te otinga pati ko te sulfate parahi me te waikawa pungatara. Ko te tauira o te waikawa nui me te parahi iti ka tangohia hei whakarite i te orite o te tohatoha matotoru o te pereti me te kaha whakakikorua hohonu mo nga rua hohonu i te wa e hiko ana te hiko; Ko te nuinga o te waikawa sulfuric ko te 180 g / L, a ko te nuinga ka tae ki te 240 g / L; Ko te kiko o te pungatara pungatara he 75 g / L. he taapiri, he iti te katote o te waikawa i honoa ki te waipuke ki te waipiro hei kaiawhina awhina me te kaitohu ngongo parahi ki te whakakao ngatahi. Ko te moni taapiri, ko te puuwheratanga o te puoro ranei o te oro piahi he 3-5ml / L. ko te taapiringa o te oro parahi he mea taapiri kia rite ki te tikanga o te haora kiloampere kia rite ranei ki te hua o te mahi. Ko te auau o te pereti hiko katoa i te nuinga o te waa ka tatau ma te whakarahi i te 2 A / te tapawha tapawha na te rohe hiko i runga i te pereti. Mo te pereti katoa, ko te roa o te pereti DM × Plate te whanui DM × rua × 2A / DM2 ； Ko te paahana o te puoto parahi e mau tonu ana i te mahana o te ruuma, i te nuinga kaore e neke atu i te 32 nga nekehanga, ko te nuinga e 22 nga nekehanga. Na reira, na te kaha o te mahana i te raumati, e taunaki ana kia whakauruhia he punaha whakatau mo te paemahana tautau mo te puoto parahi;

Maintenance Mahinga Tukatuka:

Whakakihia te oro o te parahi kia rite ki nga haora kiloampere ia ra, ka taapirihia kia rite ki te 100-150ml / Kah; Tirohia mēnā he pai te mahi o te papu taapiri, mena he rerenga rererangi o te hau; Whakapaingia te tokotoko arataki cathode ki te kakahu ma ma i ia 2-3 haora; Ko nga mea o te konukura pateate (kotahi i te wiki), waikawa sulfuric (kotahi i te wiki) me te katote pūhaumata (e rua i te wiki) i roto i te puoto parahi, me ata wetewetehia i nga wiki katoa, ko nga korero o te wherikotanga ka whakatikatikahia ma roto i te whakamatautau a te rekoata o te Hall, a nga rauemi mata e tika ana me taapiri i te wa tika; Whakapaihia te tokotoko kawe hiko anode me nga hononga hiko i nga pito e rua o te taika i ia wiki, whakakii i te poi parahi anode i roto i te kete titanium i te waa, ka hiko ki te 0.2-0.5 ASD iti nei mo nga haora 6-8; Tirohia mena kua pakaru te putea kete titanium o te anode i nga marama katoa, ka whakakapihia kia rite ki te waa; Tirohia mēnā kei te whakaemihia te paru anode i raro o te kete titanium anode, ka horoi i te waa ki te mea ana. I whakamahia te matua waro mo te filtration tonu mo nga haora 6-8, me nga poke i tangohia e te hiko hiko iti i te wa kotahi; Ia haurua o te tau neke atu ranei, whakatauhia mena ka hiahiatia he maimoatanga nui (paura waro whakahohe) e ai ki nga paru paru o te tank; Whakakapihia te waahanga taatari o te papu taatai ia rua wiki;

④ Te mahinga maimoatanga nui: A. tangohia te punga, ringihia te poka, horoia te kiriata anode ki runga i te mata o te anode, ka tuu ai ki roto i te kete takai i te anode parahi. Whakanuhia te mata o te kokonga parahi kia mawhero me te etchant moroiti. Whai muri i te horoinga me te maroke, maka ki roto i te kete titanium ka maka ki roto ki te ipu waikawa kia tatari. B. waiwai te kete titanium anode me te peke anode ki roto i te otinga kawakore 10% mo te 6-8 haora, horoia kia maroke ki te wai, ka toua atu ki te 5% waikawa waikawa pungatara, Horoihia ka maroke ki te wai hei tatari; C. Whakawhitihia te wai waipihi ki te tank maataki, taapirihia he 1-3ml / L 30% hauwai hauwai, tiimata te whakawera, hurihia te whakaoho i te hau ina tata ana te 65 ℃, ka whakaohohia ki te hau kiriu mo nga haora 2-4; D. Me whakaweto te haehae o te rangi, kia rewa ngatahi te puehu waro whakahohe ki roto i te wairewa tank i te tere o te 3-5g / L, ka huri i te hau ka oho i muri o te whakakotahitanga, kia mahana kia 2-4 haora; E. Me whakaweto te hau e korikori ana, kia wera ana kia ngawari te noho o te paura waro whakato ki raro o te taika. F. Ka heke te paemahana ki te 40 ℃, whakamahia te 10um PP waihanga taatari me te paura awhina awhina ki te taatari i te wai o te tank ki roto i te ipu mahi kua horoia, hurihia te whakaoho i te hau, ka tuu i te poka, ka whakairi ki te pereti electrolytic, ka electrolyze i iti naianei kia rite ki te 0.2-0.5asd kiato o inaianei mo nga haora 6-8. G. whakaritehia te kiko o te waikawa pungatara, te pungatara pungatara me te katote waihā i roto i te tank ki te waahi mahi noa i muri o te wetewete taiwhanga; Whakakihia te maama kia rite ki nga hua o te whakamatautau i te rekoata Hall; H. I muri i te tae o te pereti he rite, ka taea te aukati i te hiko, katahi ka rongoa te kiriata electrolytic mo nga haora 1-2 e ai ki te kiato o 1-1.5asd. He papanga kiriata phosphorangi pango me te piri ngatahi nei i honoa ki runga i te kaokao; 1. Whakamatau i te whakakikorua OK

⑤ The anode copper ball contains 0.3-0.6% phosphorus. The main purpose is to reduce the anode dissolution efficiency and reduce the production of copper powder;

⑥ When replenishing drugs, if the amount is large, such as copper sulfate and sulfuric acid; Low current electrolysis shall be conducted after addition; Pay attention to safety when adding sulfuric acid. When the amount of sulfuric acid is large (more than 10 liters), add it slowly several times; Otherwise, the temperature of the bath liquid will be too high, the photocatalyst decomposition will be accelerated, and the bath liquid will be polluted;

⑦ Me aro nui atu ki te taapiringa o te katote pūhaumāota, nā te mea he iti te ihirangi pūhaumāota (30-90ppm), me pauna tika ki te ipu me te ipu ine i mua i te taapiri; Ko te waikawa waikawa 1ml e tata ana ki te 385ppm haumanu pūhaumāota,

Formula Tātai tātai tāpiritanga tarukino:

Konukura pungatara (kg) = (75-x) × Te rahi o te tank (L) / 1000

Sulfuric acid (in liters) = (10% – x) g / L × Tank volume (L)

Or (in liters) = (180-x) g / L × Tank volume (L) / 1840

Hydrochloric acid (ML) = (60-x) ppm × Tank volume (L) / 385

（3） Ka heke te waikawa

① Te kaupapa me te mahi: tangohia te waikura i runga i te papa parahi o te raina, te toenga kiriata o te mangumangu me te kāpia toenga, me te whakarite kia piri te hononga ki waenga i te parahi tuatahi me te tauira o te parahi hiko koni ranei

② Remember to use acid degreaser here. Why not use alkaline degreaser, and the degreasing effect of alkaline degreaser is better than that of acid degreaser? Mainly because the graphic ink is not alkali resistant and will damage the graphic circuit, only acidic degreaser can be used before graphic electroplating.

③ I te wa e mahi ana, he mea tika anake ki te whakahaere i te kukume me te waa whakaheke toto. Ko te kukume o te degreaser e tata ana ki te 10% ana ka tutuki te waa kia 6 meneti. Ko te wa roa nei kaore he painga kino; Ko te whakamahinga me te whakakapinga o te waika waipiro e hangai ana ki te 15 m2 / L wai mahi, a ko te taapiri taapiri kei runga i te 100 m2 0. 5—0。 8L ；

（4） Micro etching:

Raina Tutuki

① Te kaupapa me te mahi: kia ma me te parahi i te mata parahi o te ara iahiko kia maarama ai te hononga honohono i waenga i te tauira parahi hiko me te parahi tuatahi

② Ka whakamahia te Sodium persulfate hei etchant moroiti, me te tere me te rite o te reoke me te horoi o te wai pai. Ko te kukume o te konutai whakaparahu te nuinga e whakahaerehia ana i te 60 g / L a ko te waa ka whakahaerehia i te 20 hēkona. Ko te taapiringa o nga raau taero he 3-4 kg mo ia 100 mita tapawha; Ko nga korero o te parahi ka whakahaerehia i raro iho i te 20 g / L; Ko etahi atu o nga tiaki me te puoto whakakapi he rite ki te waikura waikura iti o te waikura.

（5） Piki

Ole Te mahi me te kaupapa:

③ Ka whakamahia te waikawa sulfuric CP ki konei;

（6） Te whakakikorua i te parahi: e mohiotia ana ko te parahi tuarua, te whakakikorua parahi

① Te kaupapa me te mahi: kia ea ai te utaina o ia raina, ko ia raina me te kohao parahi kia tae atu ki tetahi matotoru. Mo te raina parahi parahi, ko te kohao o te poka me te raina parahi kia kaha rawa atu ki tetahi matotoru o te waa;

② Ko etahi atu taonga he rite ki te hiko hiko katoa

（7） Electroplated tin ① purpose and function: the purpose of graphic electroplated pure tin mainly uses pure tin as a metal resist layer to protect circuit etching;

② Ko te waipiro kaukau he whanariki pungatara, he waikawa pungatara me te taapiringa; Ko te ihirangi pūkawa whanariki ka whakahaerehia i te 35 g / L me te waikawa sulfuric e whakahaerehia ana i te 10%; Ko te taapiringa o nga miihini whakakikorua tine he mea taapiri kia rite ki te tikanga o te haora kiloampere kia rite ranei ki te kiko o te mahi. Ko te auau o te tine hiko e kiia ana he 1. 5 A / te tapawha tapawha kua whakarahihia e te waahanga hiko i runga i te pereti; Ko te paemahana o te puini tine e mau ana i te paahana o te ruuma. Ko te tikanga, kaore te mahana i neke atu i te 30 nga nekehanga ana te nuinga ka whakahaerehia i nga nekehanga 22. Na reira, na te kaha o te mahana i te raumati, e taunaki ana kia whakauruhia he punaha whakamaana me te whakahaere i te paemahana mo te puini tine;

Maintenance Mahinga Tukatuka:

Te taapiringa i nga wa katoa ki nga taputapu whakakikorua tine kia rite ki nga haora kiloampere ia ra; Tirohia mēnā he pai te mahi o te papu taapiri, mena he rerenga rererangi o te hau; Whakapaingia te tokotoko kawe ki te katarata me te roopu maamaa i nga hora 2-3 katoa; Te wetewete i te pungatara pungatara (kotahi i te wiki) me te waikawa pungatara (kotahi i te wiki) ki te ipu tine i nga wiki katoa, whakatikahia te kiko o nga whakakii whakakikorua tine na roto i te whakamatautau a te Reipa, me te taapiri i nga mea mata e tika ana i te wa tika; Whakapai i te tokotoko arai aukati me nga hononga hiko i nga pito e rua o te taika ia wiki; Hiko me te iti o naianei 0.2-0.5 ASD mo nga haora 6-8 i ia wiki; Me tirotirohia te peeke anode i nga marama katoa mo te kino, a ko te mea kua pakaru ka whakakapihia a te wa tika; Tirohia mēnā he paru anode kei te whakaemi i raro o te peeke anode, ka horoi kia rite ki te waa kei reira; Taria tonu me te waro matua mo nga haora 6-8 ia marama, ka tango i nga poke i te hiko hiko iti o naianei; Ia haurua o te tau neke atu, whakatau mena ka hiahiatia he maimoatanga nui (paura waro whakahohe) e ai ki nga paru paru o te tank; Whakakapihia te waahanga taatari o te papu taatai ia rua wiki;

⑨ Te mahinga maimoatanga nui: A. tangohia te punga, tangohia te peeke anode, horoia te mata o te anode me te paraihe parahi, horoia ka whakamaroke ki te wai, ka maka ki te peke kaakahu ka maka ki roto ki te ipu waikawa kia tatari. B. waiwai te peke anode ki te 10% otinga kawakore mo te 6-8 haora, horoia ka whakamaroke ki te wai, pania ki te 5% waikawa pungatara wairangi, ka horoi ka maroke ki te wai kia tatari; C. Whakawhitihia te otinga o te reeki ki te reanga tuuturu ka ata rewa te puehu waro whakahohe ki roto i te wairewa o te reeki i te 3-5g / L. i muri i te otinga o te otinga, pania kia 4-6 haora, taatari i te otinga o te reeki me te 10um PP te waahanga taatari me te paura awhina paura ki te puoro mahi kua horoia, maka ki roto i te anode, whakairihia ki te pereti electrolytic, me te hiko i te waa iti o 0.2-0.5asd kiato inaianei mo nga haora 6-8. D. te whakatika i te waikawa pungatara i roto i te puoro i muri i te taatai matū, te ihirangi poka whanariki i roto i te awhe whakahaere noa; Taapirihia nga taapiri whakakikorua tine kia rite ki nga hua o te whakamatautau a te Reipa; E. Kati te hiko i muri i te tae o te mata o te pereti electrolytic he rite tonu; F. Whakamatau i te whakakikorua OK

④ I te whakakii i nga raau taero, mena he nui te taapiringa, penei i te pungatara sulfate me te waikawa sulfuric; Ka whakahaerehia te hiko hiko iti i muri o te taapiri; Kia tupato ki te ahuru ina whakauru ana koe i te waikawa pungatara. Ka nui ana te waikawa sulfuric (neke atu i te 10 rita), ata taapirihia kia maha nga wa; Ki te kore, ka nui rawa te mahana o te pati, ka waikurihia te waikura tine, ka tere te koroheke o te wai.

Formula Tātai tātai tāpiritanga tarukino:

He pūkawa pūkawa ngāwha (waeine: kg) = (40-x) × Tōkai (L) / 1000

Sulfuric acid (in liters) = (10% – x) g / L × Tank volume (L)

Or (in liters) = (180-x) g / L × Tank volume (L) / 1840

（9） Nika whakakikorua

① Te kaupapa me te mahi: ko te paparanga nickel plating e whakamahia ana hei paparanga aukati i waenga i te paparanga parahi me te papa koura hei aukati i te tohatoha o te koura me te parahi, ka pa ki te pai me te oranga o te poari; I te wa ano, ko te tuara o te paparanga nickel ka tino whakanui i te kaha miihini o te papanga koura;

② Nga waahanga tukatuka e pa ana ki te whakakikorua parahi i runga i te pereti katoa: ko te taapiringa o nga miihini whakakikorua nickel i te nuinga o te waa ka taapirihia kia rite ki te tikanga o te haora kiloampere, ko te moni taapiri e pa ana ki te 200ml / Kah kia rite ki nga tino hua o te pereti; Ko te auau o te whakakikorua whakakikorua korohiko nickel te nuinga o te tatau ma te whakarahi i te 2 A / henemita tapawha na te waahanga hiko i runga i te pereti; Ko te paemahana o te puoto nickel e mau tonu ana i te 40-55 nekehanga, ana ko te mahana whanui mo nga nekehanga 50. No reira, ko te puoto nickel me whakakii ki te punaha whakawera me te punaha mahana;

Maintenance Mahinga Tukatuka:

Taapirihia te taapiringa o nga nikau whakakikorua whakakii kia rite ki nga haora kiloampere ia ra; Tirohia mēnā he pai te mahi o te papu taapiri, mena he rerenga rererangi o te hau; Whakapaingia te tokotoko arai ki te katarata me te papa ma ma katoa ia 2-3 haora; Te wetewete i nga korero o te nickel sulfate (nickel sulfamate) (kotahi i te wiki), nickel chloride (kotahi i te wiki) me te waikawa boric (kotahi i te wiki) i roto i te puoto parahi i ia wiki, whakatikahia te kiko o nga taputapu whakapiki nickel na roto i te whakamātautau pūtau Hall. , me te taapiri i nga rauemi mata e tika ana mo te wa tika; Whakapaihia te toka kawe hiko anode me nga hononga hiko i nga pito e rua o te taika i ia wiki, taapirihia te koki nickel anode i roto i te kete titanium i te waa, me te hiko hiko me te 0.2-0.5 ASD iti mo nga haora 6-8; Tirohia mena kua pakaru te putea kete titanium o te anode i nga marama katoa, ka whakakapihia kia rite ki te waa; Tirohia mēnā kei te whakaemihia te paru anode i raro o te kete titanium anode, ka horoi i te waa mena ka puta; I whakamahia te matua waro mo te filtration tonu mo nga haora 6-8, me nga poke i tangohia e te hiko hiko iti i te wa kotahi; Ia haurua o te tau neke atu, whakatau mena ka hiahiatia he maimoatanga nui (paura waro whakahohe) e ai ki nga paru paru o te tank; Whakakapihia te waahanga taatari o te papu taatai ia rua wiki;

④ Te mahinga maimoatanga nui: A. tangohia te punga, ringihia te pungarehu, horoia te anode, ka hoatu ai ki roto i te kete kikii ki te kokonga nickel, ka whariki te mata o te kokonga nickel me te moroiti etchant ki te mawhero rite. Whai muri i te horoinga me te maroke, maka ki roto i te kete titanium ka maka ki roto ki te ipu waikawa kia tatari. B. waiwai te kete titanium anode me te peke anode ki roto i te otinga kawakore 10% mo te 6-8 haora, horoia kia maroke ki te wai, ka toua atu ki te 5% waikawa waikawa pungatara, Horoihia ka maroke ki te wai hei tatari; C. Whakawhitihia te wai waipihi ki te tank maataki, taapirihia he 1-3ml / L 30% hauwai hauwai, tiimata te whakawera, hurihia te whakaoho i te hau ina tata ana te 65 ℃, ka whakaohohia ki te hau kiriu mo nga haora 2-4; D. Me whakaweto te haehae o te rangi, kia rewa ngatahi te puehu waro whakahohe ki roto i te wairewa tank i te tere o te 3-5g / L, ka huri i te hau ka oho i muri o te whakakotahitanga, kia mahana kia 2-4 haora; E. Me whakaweto te hau e korikori ana, kia wera ana kia ngawari te noho o te paura waro whakato ki raro o te taika. F. Ka maturuturu ana te mahana ki te 40 ℃, whakamahia te 10um PP waihanga taatari me te paura awhina awhina ki te taatari i te wai o te tank ki roto i te ipu mahi kua horoia, hurihia te whakaoho i te hau, kuhuna ki te kaokao, whakairihia ki roto i te perehiko hiko, ka peehi 0. 2-0。 5asd inaianei kiato iti hiko o naianei mo te 6-8 haora, G. i muri i te taatai matū, whakatika i te kiko o te nickel sulfate nickel sulfamate ranei, nickel chloride me te waikawa boric i roto i te tank ki te waahi whakahaere noa; Taapirihia nga taapiri whakakii nickel kia rite ki nga hua o te whakamatautau a te Reipa; H. I muri i te tae o te mata o te pereti electrolytic he rite, whakamutua te hiko, katahi ka whakahaere i te maimoatanga hiko kia rite ki te kiato o 1-1.5 ASD mo nga meneti 10-20 hei whakahohe i te anode; 1. Whakamatau i te whakakikorua OK

⑤ I te wa e taapirihia ai nga raau taero, mena he nui te moni taapiri, penei i te nickel sulfate nickel sulfamate me te nickel chloride ranei, me hiko ki te iti o te waa i muri o te taapiri; A, no te whakauru i te waikawa boric, maka te waikawa boric tapiri ki roto i te peeke anode ma ka whakairi ki te puoto nickel. Kaore e taea te whakauru tika ki te taika;

⑥ I muri i te whakakikorua o te nickel, e taunaki ana kia whakauruhia he horoi ki te whakaoranga wai ka whakatuwhera i te puoto ki te wai ma, ka taea te whakamahi hei whakanui i te taumata waipiro i whakahekehia ma te whakawera i te puoto nickel. Whai muri i te horoi i te wai, ka honoa ki te horoinga whakahee tuarua;

Formula Tātai tātai tāpiritanga tarukino:

Nickel sulfate (kg) = (280-x) × Te rahi o te tank (L) / 1000

Nickel chloride (kg) = (45-x) × Te rahi o te tank (L) / 1000

Waikawa Boric (kg) = (45-x) × Te rahi o te tank (L) / 1000

（10） Hiko hiko: ka tohaina ki te koura pakeke (hiko koura) me te mahinga koura koura (koura maama). Ko te hanganga o te whakakikorua koura pakeke he rite tonu ki te kaukau koura ngohengohe, engari kei kona etahi konganuku tohu penei i te nickel, kobalt me te rino i roto i te pati koura pakeke;

① Te kaupapa me te mahi: hei whakarewa nui, he pai te pai o te koura, he aukati waikura, he aukati i te waikura, he awangawanga iti, he awangawanga kakahu.