I-PCB yethusi ye-wire iwela (futhi ivame ukubizwa ngokuthi ukuthumba kwethula). I-PCB Factorict All isho ukuthi kuyinkinga yama-laminate futhi idinga ukuthi amafektri awo okukhiqiza abeke ukulahleka okubi.
1. I-foil yethusi ifakwe ngokweqile. I-electrolytic yethusi i-foil esetshenziswe emakethe imvamisa igcwele uhlangothi olungashadile (olwaziwa kakhulu ngokuthi yi-aingathi i-foil) kanye ne-topper-plated eyodwa (eyaziwa ngokuthi i-foil ebomvu). I-Copper evamile ethambekele ngokuvamile i-galvanized yethusi ngaphezulu kwe-70Um Foil, i-foil ebomvu kanye ne-ash foil ngaphansi kwe-18um ngokuyisisekelo ayinalo ukwenqatshwa kwethusi le-batch. Lapho ukwakheka kweKhasimende kungcono kunomugqa we-etching, uma ukucaciswa kwe-Copper Foil kuguqulwa kepha amapharamitha atching ahlala engashintshiwe, isikhathi sokuhlala se-Foil ye-Copper esikhaleni se-etching side kakhulu. Ngoba i-zinc ekuqaleni iyinsimbi esebenzayo, lapho ucingo lwethusi kwi-PCB ligxila kwikhambi le-etching isikhathi eside, lizoholela ekunciphiseni ngokweqile kwesifunda, okubangela ukuxhaswa kwe-zinc kusabele ngokuphelele. Okungukuthi, intambo yethusi iyawa. Esinye isimo ukuthi ayikho inkinga ngamapharamitha we-PCB etching, kepha ngemuva kokugezwa kwamanzi kanye nokomisa okumpofu, ucingo lwethusi luzungezwe yisixazululo se-pCB se-PCB. Uma kungacutshungulwa isikhathi eside, kuzodala futhi ukufakwa kwe-etching eseceleni kwe-wire yethusi. Phonsa ithusi. Lesi simo sivame ukuboniswa njengokugxila emigqeni emincane, noma ngezikhathi zesimo sezulu esinomswakama, kuzovela izivimbi ezifanayo kuyo yonke i-PCB. Shaya ucingo lwethusi ukuze ubone ukuthi umbala wendawo yokuxhumana nesendlalelo sesisekelo (okubizwa ngokuthi yi-rough ebusweni) usushintshile. Umbala we-foil wethusi uhlukile ku-foil ye-foil evamile. Umbala wethusi wangempela wesendlalelo esengaphansi uyabonakala, futhi amandla e-foil wethusi emugqeni omningi nawo ajwayelekile.
2. Ukushayisana kwenzeka endaweni yakini kwinqubo ye-PCB, kanti nocingo lwethusi luhlukaniswe ne-substrate ngamandla angaphandle okwenziwa. Lokhu kusebenza okungekuhle kungukuma kwempilo noma ukuma okungekho emzimbeni. Ucingo lwethuli olwehlisiwe luzoba nokusonteka okusobala noma ukuklwebheka / amamaki okuvuthayo ngendlela efanayo. Uma ucisha ucingo lwethusi engxenyeni enesici bese ubheka indawo enolaka ye-foil ye-copper, ungabona ukuthi umbala we-foil ongaphansi kwe-foil yethusi ujwayelekile, ngeke kube khona ukuguguleka kwe-foil kwe-post.
3. I-PCB Circuit Design ayinangqondo. Uma i-foil ye-Copper elibanzi isetshenziselwa ukuklama umjikelezo omncane kakhulu, kuzokwenza futhi ukugcwala ngokweqile kokwenqatshwa kwesekethe kanye ne-zethusi.
2. Izizathu zenqubo yokukhiqiza ye-liaminate:
Ngaphansi kwezimo ezijwayelekile, inqobo nje uma i-laminate ishisa isikhathi esingaphezu kwemizuzu engama-30, i-foil yethusi kanye ne-prepreg ihlanganiswe ngokuphelele, ngakho-ke ukucindezela kuzovame ukungaphazamisi amandla okubopha i-foil yethuli kanye ne-substrate ku-laminate. Kodwa-ke, enqubweni yokufaka nokufaka ama-laminates, uma i-PP ingcoliswe noma i-foil yethusi ilimele, umphumela we-sporstrate ngemuva kokuphuma kwama-foil wethuli, kepha amaphilisi we-foil e-spollathi awela, kepha amandla e-peel of the Copper eduze kwe-off izintambo ngeke zibe zingajwayelekile.
3. Izizathu zezinto zokwakha ezivuthiwe:
1. Njengoba kushiwo ngenhla, ama-foil ajwayelekile we-electrolytic akhona yonke imikhiqizo eye yagcwala noma ithule. Uma inani eliphakeme lingejwayelekile ngesikhathi sokukhiqizwa koboya i-foil, noma ngesikhathi se-galvaning / ithusi amagatsha e-crystal amabi, okwenza ukuba i-foole yethuli uqobo i-poile a akwanele. Lapho impahla eshidiwe ye-foil ecindezelayo icindezele i-PCB futhi i-plug-in kwifektri ye-elekthronikhi, ucingo lwethusi luzowela ngenxa yomthelela wamandla angaphandle. Lolu hlobo lokwenqatshwa kwethusi olubi ngeke kubangele ukugqwala okuhlangenwe nakho okusobala ngemuva kokuthola ucingo lwethusi ukubona indawo enolaka ye-foil yethusi (okungukuthi, amandla okuxhumana nawo wonke ama-foil we-popper.
2. Ukuqina okumpofu kwe-foil ye-post I-ejenti yelapha esetshenzisiwe ngokuvamile i-PN resin, kanye nesakhiwo se-resin molecular chain sakhiwo silula. I-degree yokuwela iphansi iphansi, futhi kuyadingeka ukusebenzisa i-foil ye-Copper ngenani elikhethekile ukuze ulifafaze. Lapho ukhiqiza ama-laminate, ukusetshenziswa kwe-foil ye-Copper akuhambelani nohlelo lwe-resin, okuholele ekutheni anganele amandla weshidi lensimbi yensimbi-clad yensimbi, kanye nokuchithwa kocingo lwensimbi empofu lapho kufakwa.