Ukukhiqizwa kwe-Shengyi S1000-2 PCB kwamaBhodi Angenawo Ama-Lead Anezingqimba Eziphezulu

I-Shengyi S1000-2 iyisistimu ye-FR-4.0 ene-Tg ephezulu , ephansi ye-CTE esetshenziswa lapho ibhodi elinezingqimba eziningi lidinga ukuthembeka okuqinile kwe-thermal kanye ne-plated-hole kune-FR-4 yenhloso ejwayelekile. I-Highleap Electronics ikhiqiza ama-PCB e-S1000-2 ekhompyutha, ukuxhumana, izinsimbi kanye neminye imikhiqizo lapho ukubalwa kwezingqimba, ukujiya kwebhodi kanye nemijikelezo yokuhlanganisa kuvumela ukuthuthukiswa.

Izinto akufanele zithengiswe njengekhambi lazo zonke izinkinga. Ukwanda kwayo okuphansi kuthuthukisa imajini, kodwa ikhwalithi yokubhoboza, i-desmear, ubukhulu beplati, isilinganiso sesici kanye nomlando wokusebenza kabusha kusanquma ukuthembeka kwebhodi eliqediwe.

Lapho i-S1000-2 Ifaneleka

I-S1000-2 iwusizo uma ingozi yokuthembeka ivela ekukhuleni kwe-Z-axis kanye nokuvezwa kokushisa. Ingasekela imikhiqizo enezingqimba eziningi kanye nemikhiqizo eningi enezingqimba eziningi, kodwa ukwakhiwa kokugcina kusamele kuhlale kukhiqizwa.

Umhlahlandlela wezinto ze-PCB ze-Highleap ezibalwe ngezingqimba eziphakeme uchaza ukuthi kungani izinto, ukubhaliswa kwezingqimba, ngesakhiwo kanye nokusatshalaliswa kwethusi kumele kuhlolwe ndawonye.

Izakhiwo Ezishicilelwe kanye Nencazelo Yomklamo

I-Shengyi ishicilela amanani ajwayelekile e-S1000-2 e-Tg 180°C nge-DSC, 185°C nge-DMA, Td 345°C, ukwanda okuphelele kwe-Z-axis okungu-2.8% kusuka ku-50–260°C, T260 yemizuzu engama-60, T288 yemizuzu engama-20 kanye ne-T300 yemizuzu emi-5. Izinto zibekwe endaweni yokuhambisana okungenalo i-lead, ukumelana nokushisa okuphezulu, i-Z-axis CTE ephansi, ukuthembeka kwemigodi, ukusebenza okulwa ne-CAF kanye nokumuncwa kwamanzi okuphansi.

Idatha evamile ayiyona imikhawulo yokukhiqiza

UShengyi uqaphela ukuthi amanani ajwayelekile futhi ayindlela yokubhekisela. Ikhasimende akufanele liwaguqule abe yizindinganiso zokwamukelwa ezingeni lebhodi eziqinisekisiwe ngaphandle kwesivumelwano. Ubufakazi bebhodi eliqediwe buvela ku-stackup ekhishwe, amakhuphoni, izingxenye ezincane kanye nokuqinisekiswa komkhiqizo.

I-S1000-2 kanye ne-S1000-2M azifani

I-S1000-2M inesethi ehlukile yempahla eshicilelwe kanye nendawo eqinile yokubala enezingqimba eziphakeme. Uma umdwebo udinga i-S1000-2, ifektri akufanele ithathe indawo ye-S1000-2M—noma okuphambene—ngaphandle kwemvume, noma ngabe izinto zibonakala zihlobene.

I-Stackup Enezingqimba Eziphezulu kanye Nokuklama Nge-Via

Faka i-stackup ngaphambi kokuba umzila uqedwe

Imikhiqizo enezinga eliphezulu ivame ukudinga i-impedance elawulwayo, ama-dielectric amancane kanye nezindiza zamandla eziningi. I-Highleap yakha i-stackup ekhiqizwayo ezungeze ama-cores/prepregs atholakalayo, ibhalansi yethusi, ukujiya kwethagethi, i-impedance kanye nekhono lokucindezela. Ukwakheka okwakhiwe eduze kwe-dielectric engatholakali kungadinga ukuhlelwa kabusha okukhulu.

Isilinganiso sesici kanye nesikhala sokubhoboza-kuya-kwethusi

I-laminate ene-Tg ephezulu ayisusi umkhawulo wejiyometri. Izimbobo ezincane ebhodini elijiyile zandisa ukuguguleka kwamathuluzi, ubunzima bokususa i-smear kanye nokushintshashintsha kwe-plating. I-Highleap ingancoma ama-via amakhulu, ukujiya kwebhodi okuncishisiwe, ama-via angaboni kahle noma i-lamination elandelanayo kuye ngezidingo zobuningi kanye nokuthembeka.

I-lamination elandelanayo idinga ukubuyekezwa okuhlukile

Uma umklamo uhlanganisa ama-vias angaboni/afihliwe noma imijikelezo eminingi yokunyathelisa, ukwakhiwa kufanele kuhlolwe njengokwakhiwa kwe-HDI/sequential-lamination. Bheka umhlahlandlela we-sequential lamination ukuze uthole imiphumela yezindleko nokuthembeka.

Ukwakhiwa kanye Nokulawulwa Kwemigodi Ehlanganisiwe

Indlela yokwenziwa kwe-S1000-2 ye-Highleap ingafaka phakathi ubunikazi bezinto ezibonakalayo, ukukhishwa kwe-stackup, i-AOI yengqimba yangaphakathi, ukukala ukubhaliswa, i-lamination elawulwayo, ukuqapha i-drill, i-desmear, ithusi elingena-electro, i-pattern plating, i-microsection, ukuqeda ubuso, ukuqondisa kanye nokuhlolwa kukagesi.

Ukususwa kwengxenye encane kufanele kuqondiswe engcupheni yangempela

Amakhuphoni amele kufanele afake imigodi emincane kakhulu eqediwe, izindawo zethusi ezijiyile noma izakhiwo ezibalulekile. I-microsection ingaqinisekisa ukujiya kwethusi, isimo se-resin, ukususwa kwe-smear kanye nokubhaliswa kwengqimba, kodwa akubonisi impilo ephelele yasensimini ngokwayo.

Ukumelana ne-CAF kusancike ekwakhiweni nasenqubweni

Ukusebenza okushicilelwe kwe -anti-CAF kusekela ukukhethwa kwezinto. Ukumelana kokugcina kuncike ekuhlukanisweni kwesikhala somqhubi, umswakama, ukuchelela, ukuhlanzeka, umonakalo wemigodi kanye nezimo zokufaneleka. Ukuhlolwa okusemthethweni kwe-CAF kufanele kubonise i-voltage, umswakama, izinga lokushisa, ubude besikhathi, amasampula kanye nenqubo yokwehluleka.

Ukuhlanganiswa, Ukuhlolwa Nokukhishwa Kobufakazi

I-margin yokushisa ye-S1000-2 iwusizo ekuhlanganisweni okungenalo i-lead, kodwa umlando ophelele wokushisa kufanele ulawulwe. Ama-BGA amakhulu, izixhumi ezifakwa ngokucindezela, ukushiswa okukhethiwe kanye nokulungiswa kabusha kungadala ukucindezeleka kwendawo. Iphrofayili kumele yakhelwe isisindo sethusi sangempela kanye nesethi yezingxenye.

Ukuze kuhlanganiswe izinto ezinokwethenjelwa kakhulu, i-Highleap ingacaphuna i-AOI, i-X-ray lapho kufaneleka khona, uhlelo, ukuthuthukiswa kwemishini kanye nokuhlolwa kokusebenza. Ububanzi obuqondile kumele buchazwe ku-RFQ.

Izindleko zokubala okuphezulu ziqhutshwa yinani lezinqubo

Izendlalelo ezengeziwe zandisa okungaphezu kokusetshenziswa kwe-laminate. Zengeza izithombe, i-AOI, umsebenzi wokubhalisa, ubunzima be-lamination, ukujula kokubhoboza, ukuhlolwa kanye nokulahlekelwa okungenzeka kwesivuno. I-lamination elandelanayo yengeza imijikelezo yokucindezela neyokubhoboza ephindaphindwayo. Isilinganiso esiphindaphinda indawo yebhodi ngesici sesendlalelo kuphela ngeke sibe esithembekile ekwakhiweni kwe-S1000-2 okudingakalayo.

Isibonelo: ibhodi yokulawula iseva enezingqimba ezingu-16

Ibhodi elinezingqimba ezingu-16, elingu-2.4 mm elinezingqimba ezingu-0.25 mm eziqediwe liletha ingozi ehlukile kunebhodi elinezingqimba ezingu-16, elingu-1.6 mm elinezimbobo ezingu-0.35 mm. Elokuqala linesilinganiso esiphezulu futhi lingadinga ukubhoboza okuqinile, ukususwa kwe-desmear kanye nokulawula i-plating. I-S1000-2 ithuthukisa i-thermal margin, kodwa i-Highleap isadinga ukuhlola ukuthi i-geometry ye-via kufanele ishintshe noma isakhiwo se-blind-via sifanelekile yini.

Uhlobo kanye nokudluliswa kwevolumu

Ama-prototype amaningi avame ukusebenzisa amaphaneli amancane kanye nokuhlolwa ngesandla, kuyilapho ukukhiqizwa kwevolumu kusebenzisa ukwakheka kwamaphaneli okulungiselelwe kanye namathuluzi azinzile. Uhlelo lokudlulisa kufanele lulondoloze umthombo wezinto ezibonakalayo, i-stackup, i-impedance geometry, izidingo zemigodi kanye nemigomo yokuhlola. Ukwakhiwa kwe-pilot kungaqinisekisa ukuthi iphaneli yevolumu ayilethi ukuhlukahluka okusha kokubhalisa noma kwe-plating.

Lokho i-Highleap engakubuyisela kanye nesilinganiso

Impendulo yobunjiniyela ingafaka phakathi i-stackup yokuqala, ngokuhlolwa kwesilinganiso se-aspect, ukuqhathaniswa kwezinto, isiphakamiso sokuhlola, amanothi okuhlanganisa ingozi kanye nohlu lolwazi oludingekayo ukuze kutholakale amanani okugcina. Abathengi banganquma ukuthi bazoyishintsha yini idizayini, bamukele ubufakazi obuphakanyisiwe noma baqhathanise enye into.

Amathuba okunciphisa izindleko angasusi ukuthembeka

• Yenza ubukhulu bokubhoboza bube bujwayelekile futhi unciphise ama-microvia angadingekile.
• Thuthukisa ukusetshenziswa kwamaphaneli ngokulungisa ama-rails noma indlela yokuhlukanisa.
• Sebenzisa ukulinganisa i-impedance kuphela kumajiyometri abalulekile.
• Hlukanisa amadokhumenti ayimpoqo emibikweni yokuzikhethela.
• Buyekeza ukuthi ngabe isendlalelo ngasinye sidinga isisindo sethusi esifanayo yini.
• Vuma into elingana nobuchwepheshe ngokulawula ushintsho uma ingozi yokuhlinzeka ikufanele.

Ezinye Izindlela, Izindleko kanye Nokulungiselela i-RFQ

I-S1000-2 ibiza kakhulu kune-FR-4 evamile futhi ingadinga ukutholakala okuthile noma ukusetshenziswa kwezinto ezincane kakhulu. Icala lezomnotho liqine kakhulu uma livimbela ingozi yokuthembeka noma livumela ukwakhiwa okungenakukwazi ukusekelwa yizinto ezivamile.

Izinqumo ezihlukile

• Sebenzisa i-S1141 noma enye indlela ejwayelekile yamabhodi alula anokushisa okuphakathi.
• Sebenzisa i-S1000-2M noma enye ipulatifomu yokubala enezingqimba eziphakeme uma umklamo okhishwe udinga isethi yayo yesici esithile.
• Sebenzisa izinto ezinciphisa ukulahleka uma ukuncishiswa kwesiteshi kuyisithiyo esiyinhloko.
• Sebenzisa umndeni ovunyelwe yizimoto uma imininingwane yamakhasimende kanye nephrofayili yomsebenzi kuyidinga.

Okokufaka kwekhotheshini

• Usayizi webhodi kanye nobuningi
• Inani lezingqimba kanye nobukhulu
• Ithusi ngesendlalelo
• Imbobo encane kunazo zonke eqediwe
• Kuyimpumputhe/kungcwatshwe ngesakhiwo
• Izidingo ze-Impedance
• Umlando wokushisa womhlangano
• I-IPC/iklasi yamakhasimende
• Ubufakazi bokuqinisekisa
• Isikophu se-PCBA

Izinto eziza kuqala zokubuyekeza umklamo ngaphambi kokusebenzisa ithuluzi

Ngaphambi kokuba i-Highleap ikhiphe amathuluzi, ukuhlolwa kwenani eliphezulu kakhulu kuvame ukuba ngesilinganiso sesici, indandatho ye-annular, isikhala sokubhoboza-kuya-kwethusi, ibhalansi yethusi, ukutholakala kwe-dielectric, i-impedance geometry kanye nochungechunge lokushisa lomhlangano. Ukulungisa lezo zinto ngaphambi kokwenziwa kushibhile kunokuthembela ku-laminate ye-premium ukuze kuncishiswe ingozi yenqubo egwenywayo.

Kumabhodi anezingqimba eziphezulu, ikhotheshini kufanele futhi isho ukuthi isihloko sokuqala siqukethe idatha ye-impedance, izingxenye ezincane kanye nombiko olinganiselwe. Lokhu okulethwayo kudala isango lokuvunyelwa elilinganisekayo ngaphambi kokuba ikhasimende lizibophezele ekukhuliseni.

Imibuzo Evame Ukubuzwa Ngomthengi we-S1000-2

Ingabe i-S1000-2 yenzelwe amabhodi anezinga eliphezulu?

Kuyinto esezingeni eliphezulu le-Tg, ephansi ye-CTE evame ukuhlolwa ngezingqimba eziningi ezidingakalayo. Ukufaneleka kusaxhomeke ekujikeni okuqondile, imigodi, ukwakhiwa kwethusi kanye nokucindezela.

Ingabe i-S1000-2 ivimbela ukuqhekeka?

Akukho lutho oluvimbela ukwehluleka kodwa. I-CTE ephansi ithuthukisa i-margin, kuyilapho ikhwalithi yokubhoboza, i-plating kanye nomlando wokushisa kusalokhu kubalulekile.

Ingabe i-S1000-2 iyinto elahlekelwa kakhulu?

I-Shengyi iyibeka eduze kokuthembeka kokushisa kunesigaba sesivinini esiphezulu se-Df ephansi. Sebenzisa ukuhlaziywa kwesabelomali sokulahlekelwa kweziteshi zesivinini esiphezulu.

Ingabe i-Highleap inganikeza ikhotheshini evela kumafayela angaphelele?

Yebo. I-geometry eyisisekelo, izendlalelo, ukujiya, imigodi, ithusi, ubuningi kanye nobubanzi besevisi kwanele ekubuyekezweni kokuqala.

Inkomba yezinto eziyinhloko: Idatha yomkhiqizo we-Shengyi S1000-2. Izibalo zomkhiqizi ziyinani elijwayelekile lenkomba; sebenzisa ishidi ledatha lamanje kanye nokwakhiwa okuvunyiwe ukuze uthole imininingwane yokukhiqiza.