Tare da saurin haɓaka kayan aikin lantarki da na'urorin sadarwa na wutar lantarki, allunan kewayawa na jan karfe mai kauri na 12oz da sama sun zama sannu a hankali sun zama nau'ikan allunan PCB na musamman tare da fa'idar kasuwa mai fa'ida, wanda ya jawo hankalin masana'anta da hankali;Tare da fadi da aikace-aikace na buga allon kewayawa a cikin filin lantarki, abubuwan da ake bukata na kayan aiki suna karuwa da girma.Buga kewaye allon ba kawai samar da zama dole lantarki sadarwa da kuma inji goyon baya ga lantarki aka gyara, amma kuma sannu a hankali za a ba da ƙarin Tare da ƙarin ayyuka, matsananci-kauri jan karfe tsare bugu allon da za su iya hade da ikon kafofin, samar da high halin yanzu da kuma high AMINCI sun sannu a hankali zama rare. samfuran da masana'antar PCB suka haɓaka kuma suna da fa'ida mai fa'ida.

A halin yanzu, ma'aikatan bincike da ci gaba a cikin masana'antar sun sami nasarar haɓaka a allon kewayawa mai gefe biyu tare da ƙaƙƙarfan kauri na tagulla na 10oz ta hanyar daɗaɗɗen hanya na m thickening na electroplated jan karfe nutsewa + mahara solder mask bugu taimako.Duk da haka, akwai 'yan rahotanni kan samar da tagulla mai kauri multilayer bugu alluna tare da ƙaƙƙarfan kauri na tagulla na 12oz da sama;wannan labarin ya fi mayar da hankali kan nazarin yuwuwar aikin samar da allunan bugu mai kauri 12oz ultra-thick copper multilayer.M jan ƙarfe mataki-mataki sarrafa zurfin etching fasahar + gina-up lamination fasahar, yadda ya kamata gane aiki da kuma samar 12oz matsananci-kauri jan Multilayer buga allon.

Tsarin sarrafawa

2.1 Tari mai ƙira

Wannan shi ne 4 Layer, Outer / ciki cooper kauri 12 oz, min nisa / sarari 20/20mil, tari sama kamar yadda a kasa:

2.1 Binciken matsalolin sarrafawa

❶ Fasahar etching jan ƙarfe mai kauri mai kauri (takarfin jan ƙarfe yana da kauri, mai wuyar ƙirƙira): siyan kayan foil na jan karfe na musamman na 12OZ, ɗaukar fasaha mai zurfi da ƙarancin sarrafawa don gane etching na da'irorin jan ƙarfe mai kauri.

❷ Fasahar lamination na jan karfe mai kauri mai kauri: Ana amfani da fasaha na etching mai zurfi mai gefe guda ta hanyar latsawa da cikawa don rage wahalar latsawa yadda ya kamata.A lokaci guda, yana taimakawa danna kushin silicone + epoxy pad don magance matsalar laminate mai kauri na jan ƙarfe Matsalolin fasaha kamar tabo mai laushi da lamination.

❸ Madaidaicin daidaituwa na daidaitawa guda biyu na layin layi ɗaya: ma'auni na haɓakawa da ƙaddamarwa bayan lamination, daidaitawar haɓakawa da ƙaddamarwa na layi;a lokaci guda, samar da layin yana amfani da hoton Laser kai tsaye na LDI don tabbatar da daidaituwar daidaituwa na zane-zane guda biyu.

❹ Fasaha hakowa na jan karfe mai kauri mai kauri: Ta hanyar inganta saurin juyawa, saurin ciyarwa, saurin ja da baya, rayuwar rawar soja, da sauransu, don tabbatar da ingancin hakowa.

2.3 Gudun tsari (ɗaukar allo mai Layer 4 a matsayin misali)

2.4 Tsari

Saboda kauri mai kauri na jan karfe, babu wani allo mai kauri 12oz a cikin masana'antar.Idan ainihin allon yana da kauri kai tsaye zuwa 12oz, etching na kewaye yana da wahala sosai, kuma ingancin etching yana da wahalar garanti;a lokaci guda kuma, wahalar danna da'ira bayan gyare-gyaren lokaci ɗaya kuma yana ƙaruwa sosai., Fuskantar babban ƙwanƙwasa fasaha.

Don magance matsalolin da ke sama, a cikin wannan aikin sarrafa tagulla mai kauri, ana siyan kayan foil na tagu na musamman na 12oz kai tsaye yayin ƙirar tsarin.Da'irar tana ɗaukar fasahar etching mai zurfi ta mataki-mataki, wato, foil ɗin tagulla yana farawa da kauri 1/2 a gefen baya → an danna shi don samar da katako mai kauri → etching a gaba don samun Layer na ciki tsarin kewayawa.Saboda ƙwanƙwasa mataki-mataki, wahalar etching yana raguwa sosai, kuma wahalar danna ma yana raguwa.

❶ Zane fayil ɗin layi
An tsara saitin fayiloli guda biyu don kowane Layer na kewaye.Fayil ɗin mara kyau na farko yana buƙatar madubi don tabbatar da cewa kewayawa yana cikin matsayi ɗaya yayin sarrafa gaba / juyawa mai zurfi, kuma ba za a sami kuskure ba.

❷ Juya sarrafa zurfin etching na zanen da'ira

❸ Ikon daidaita daidaitattun zane-zane na sakandare na biyu
Don tabbatar da daidaituwar layukan biyu, yakamata a auna ƙimar faɗaɗawa da ƙaddamarwa bayan lamincewar farko, kuma a daidaita faɗaɗa layin da diyya;a lokaci guda,

Daidaita atomatik na hoton Laser na LDI yana inganta daidaitattun daidaito.Bayan ingantawa, ana iya sarrafa daidaiton jeri a cikin 25um.

❹ Super kauri tagulla etching ingancin kula
Domin inganta etching ingancin da'irori mai kauri na jan ƙarfe, an yi amfani da hanyoyi guda biyu na etching alkaline da etching acid don gwada gwadawa.Bayan tabbatarwa, da'irar-acid-etched tana da ƙananan burrs da daidaiton faɗin layi mafi girma, wanda zai iya biyan buƙatun etching na jan ƙarfe mai kauri.Ana nuna tasirin a cikin Table 1.

Tare da fa'idodi na mataki-mataki sarrafawa mai zurfi mai zurfi, kodayake wahalar lamination ya ragu sosai, idan ana amfani da hanyar al'ada don lamination, har yanzu yana fuskantar matsaloli da yawa, kuma yana da sauƙin samar da matsalolin ingancin ɓoye kamar lamination. farin spots da lamination delamination.A saboda wannan dalili, bayan gwajin kwatankwacin tsari, yin amfani da matsi na silicone kushin zai iya rage laminating fararen aibobi, amma saman allon bai dace ba tare da rarraba tsarin, wanda ke shafar bayyanar da ingancin fim ɗin;idan epoxy kushin kuma taimaka, da latsa ingancin yana da muhimmanci inganta , Iya saduwa da latsa bukatun na matsananci-kauri jan karfe.

❶ Hanyar lamination tagulla mai kauri

❷ Kyakkyawan laminate mai kauri na jan ƙarfe

Yin la'akari da yanayin ɓangarorin da aka lakafta, da'irar ta cika cikakke, ba tare da ƙananan kumfa ba, kuma dukan ɓangaren da aka yi da zurfi yana da tushe a cikin resin;a lokaci guda kuma, saboda matsalar etching gefen jan ƙarfe mai kauri, faɗin saman layin ya fi girma fiye da faɗin layin mafi ƙanƙanta a tsakiya A kusan 20um, wannan sifa yayi kama da "tsani mai jujjuya", wanda zai ƙara haɓaka. kamun latsawa, abin mamaki ne.

❷ Fasahar gina tagulla mai kauri mai kauri

Yin amfani da matakan da aka ambata a sama mai sarrafa zurfin etching fasahar + tsarin lamination, ana iya ƙara yadudduka cikin nasara don gane sarrafawa da samar da allunan bugu da yawa na jan ƙarfe mai kauri;a lokaci guda, lokacin da aka yi Layer na waje, kauri na tagulla yana kusan kusan kusan.6oz, a cikin kewayon ikon aiwatar da abin rufe fuska na al'ada, yana rage wahalar aiwatar da samar da abin rufe fuska da rage sake zagayowar samar da abin rufe fuska.

Matsakaicin hakowa tagulla mai kauri

Bayan duka latsawa, kauri na ƙãre farantin ne 3.0mm, da kuma gaba ɗaya kauri tagulla ya kai 160um, wanda ya sa da wuya a hakowa.A wannan lokacin, don tabbatar da ingancin hakowa, an daidaita sigogin hakowa na musamman a cikin gida.Bayan ingantawa, binciken yanki ya nuna cewa hakowa ba shi da lahani kamar kawunan ƙusa da ƙananan ramuka, kuma tasirin yana da kyau.

Takaitawa
Ta hanyar aiwatar da bincike da ci gaban da matsananci-kauri jan karfe multilayer buga allo, tabbatacce da korau sarrafawa zurfin etching fasaha da ake amfani da, da silicone kushin + epoxy kushin da ake amfani da inganta ingancin lamination a lokacin lamination, wanda yadda ya kamata warware wahalar etching da matsananci-kauri jan karfe da'ira Common fasaha matsaloli a cikin masana'antu, kamar matsananci-kauri laminate farin spots da mahara bugu ga solder mask, sun samu nasarar gane aiki da kuma samar da matsananci-kauri jan karfe multilayer buga allon;An tabbatar da aikin sa don zama abin dogaro, kuma ya gamsu da buƙatun abokan ciniki na musamman na yanzu.

❶ Mataki-mataki sarrafa zurfin etching fasaha don tabbatacce da kuma mummunan layi: yadda ya kamata warware matsalar matsananci-kauri na jan karfe etching line;
❷ Fasahar sarrafa daidaitattun layin layi mai kyau da mara kyau: inganta ingantaccen daidaituwar zane-zane biyu yadda ya kamata;
❸ Ultra-kauri jan karfe gina-up fasaha lamination: yadda ya kamata ya gane aiki da kuma samar da matsananci-kauri jan Multilayer buga allon.

Kammalawa
Ana amfani da allunan bugu na jan ƙarfe mai kauri sosai a cikin manyan na'urorin sarrafa wutar lantarki na kayan aiki saboda aikin tafiyar da su na yau da kullun.Musamman tare da ci gaba da haɓaka ƙarin ayyuka masu mahimmanci, allunan bugu na tagulla masu kauri suna daure don fuskantar faffadan fatan Kasuwa.Wannan labarin shine kawai don tunani da tunani don takwarorina.