PCB wayoyi zane, domin inganta zane ta hanyar kudi na cikakken sa na hanyoyin, a nan, don samar muku da PCB zane don inganta kudi na zane ta hanyar kudi na zane yadda ya dace da kuma m dabaru, ba kawai ga abokan ciniki su ceci sake zagayowar ci gaban aikin, amma kuma don haɓaka ingancin ƙirar da aka gama.
1. Ƙayyade adadin PCB yadudduka
Girman allon kewayawa da yadudduka na wayoyi suna buƙatar ƙayyade a farkon ƙirar.Idan ƙira ta buƙaci amfani da manyan abubuwan grid grid array (BGA), ya zama dole a yi la'akari da ƙaramin adadin wayoyi da ake buƙata don haɗa waɗannan na'urori.Adadin yadudduka na wayoyi da hanyar tarawa suna da tasiri kai tsaye akan wayoyi da rashin ƙarfi na wayoyi da aka buga.Girman allon yana taimakawa wajen ƙayyade hanyar tarawa da faɗin wayoyi da aka buga don cimma ƙirar da ake so.
Koyaushe ana ɗauka cewa ƙarancin layuka na allon, yana raguwa, amma akwai wasu abubuwa da yawa waɗanda ke shafar farashin kera allon.A cikin 'yan shekarun nan, bambancin farashi tsakanin allon multilayer ya ragu sosai.Zai fi kyau a fara zane tare da ƙarin yadudduka na kewayawa da kuma yada tagulla a ko'ina don kauce wa tilastawa don ƙara sababbin yadudduka kusa da ƙarshen zane lokacin da aka gano ƙananan sigina ba tare da bin ka'idoji da sararin samaniya ba. bukatun da aka ayyana.Tsare-tsare a hankali kafin zane zai rage wayoyi a cikin matsala mai yawa.
2. Zane dokoki da ƙuntatawa
Layukan sigina daban-daban suna da buƙatun wayoyi daban-daban, don rarraba duk buƙatun musamman na layin siginar, nau'ikan ƙira daban-daban ba iri ɗaya bane.Kowane ajin siginar ya kamata ya sami fifiko, mafi girman fifiko, mafi tsananin ƙa'idodi.Dokokin suna da alaƙa da bugu da faɗin waya, matsakaicin adadin ta hanyar, daidaici, hulɗar layin sigina, da iyakancewar Layer, waɗanda ke da tasiri mai mahimmanci akan aikin kayan aikin cabling.Yin la'akari da hankali game da buƙatun ƙira shine muhimmin mataki a cikin nasara na wayoyi.
3. Layout na sassa
Domin inganta tsarin taro, ƙa'idodin ƙira don ƙira (DFM) suna sanya hani akan shimfidar abubuwan.Idan sashen taro ya ba da izinin motsi na sassa, za a iya inganta kewaye yadda ya kamata, yana sauƙaƙa sarrafa wayoyi.Sharuɗɗan ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun tsari.
Ana buƙatar yin la'akari da tashoshi masu juyawa da ta wurare yayin shimfidawa.Wadannan hanyoyi da yankuna suna bayyane ga mai zane, amma kayan aiki na kayan aiki na atomatik za su yi la'akari da sigina kawai a lokaci guda, ta hanyar saita ma'auni na wiring kuma saita Layer na siginar siginar na iya zama zane, zaka iya yin kayan aiki na wiring zai iya zama kamar. mai zane ya yi hasashen cewa an gama wayoyi.
4. Fan-fita zane
Fan fita a cikin zane mataki, don kunna sarrafa kansa wiring kayayyakin aiki, to bangaren fil to connect, surface Dutsen na'urorin, kowane fil ya kamata a kalla daya rami, sabõda haka, a cikin bukatar ƙarin haɗi, da jirgin za a iya haɗa zuwa ciki Layer, gwajin in-circuit (ICT) da sake sarrafa kewaye.
Domin sanya kayan aikin wayoyi masu sarrafa kansa ya zama mafi inganci, yana da mahimmanci a yi amfani da mafi girman yuwuwar ta hanyar girman da bugu da waya, tare da saita tazara a mil 50 shine manufa.Yi amfani da nau'in ta hanyar da ke haɓaka adadin hanyoyin da za a bi.Lokacin zayyana don fan-out, yi la'akari da gwajin da'irar.Gwajin gwajin na iya zama tsada kuma galibi ana ba da oda lokacin da cikakken samarwa ya kusa, kuma ya yi latti don yin la'akari da ƙara nodes don cimma iya gwadawa 100%.
Bayan la'akari da hankali da kuma jira, da zane na kewaye a-circuit gwajin za a iya yi a farkon a cikin zane tsari da kuma gane daga baya a cikin samar da tsari, tare da irin via fan-fita ƙaddara ta hanyar wayoyi da kewaye a-kewaye gwajin. tare da iko da ƙasa kuma yana tasiri tsarin wayoyi da ƙira.Domin rage inductive impedance samar da tace capacitor dangane line, da over-rami ya zama kamar yadda zai yiwu ga fil na surface Dutsen na'urar, idan ya cancanta, za a iya amfani da su da hannu hanya, wanda zai iya yin tasiri a kan. ainihin ra'ayi na hanyar wayoyi, kuma yana iya haifar da ku don sake yin la'akari da yin amfani da irin nau'in over-rami, wajibi ne a yi la'akari da dangantakar da ke tsakanin ramuka da fitilun inductive impedance da kuma saita fifiko na kan-rami bayani dalla-dalla.
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Lokacin aikawa: Agusta-22-2023