Ukukhiqizwa kwe-Panasonic MEGTRON 8 PCB kwamabhodi e-AI anelahleko ephansi kanye nezikhungo zedatha

I-Highleap Electronics inikeza izinsizakalo zokukhiqiza ze-Panasonic MEGTRON 8 PCB kanye ne-turnkey PCBA zezinhlelo ze-elekthronikhi ezisheshayo neziphansi ezisetshenziswa kumaseva e-AI, amapulatifomu e-GPU computing, inethiwekhi ye-optical, amaswishi, ama-backplanes kanye nehadiwe yesikhungo sedatha esithuthukisiwe. Izinto ze-MEGTRON 8 ezifana ne-R-5795(U) zivame ukukhethwa kumadizayini e-PCB amaningi adinga ubuqotho besignali obuhle kakhulu, ukulahlekelwa kokudlulisela okuphansi kanye nokusebenza okuzinzile kwemvamisa ephezulu ngaphezu kwamakhono avamile e-FR-4.

Kumaphrojekthi e-PCB asheshayo, ikhono lokukhiqiza libaluleke njengokukhethwa kwezinto. I-Highleap Electronics isekela ukukhiqizwa kwe-MEGTRON 8 PCB ngokucubungula okulawulwayo kwe-impedance, i-precision lamination, ukubhoboza ngemuva, ukwenziwa kwe-HDI, ukulawulwa kokuqedwa kwendawo, ukuhlolwa kanye nezinsizakalo zokuhlanganisa ze-PCB ezithembekile. Izinqubo zethu zobunjiniyela kanye nokukhiqiza zenzelwe ukusekela izinhlelo zokusebenza zokubala ezisheshayo kanye nezokuxhumana ezifunwayo kusukela ku-prototype kuya ekukhiqizweni kwevolumu.

Ukulingana Kwephrojekthi ye-MEGTRON 8 PCB

I-MEGTRON 8 ayidingeki kuyo yonke i-PCB enesivinini esikhulu. Ngokuvamile kucatshangelwa lapho iziteshi ezibaluleke kakhulu ezinde kakhulu, izindlela zokuxhuma, ngokushintshashintsha noma ama-frequency target eshiya isikhala esincane kwisabelomali sokulahlekelwa. Kuziteshi ezimfushane noma amazinga edatha anganamandla kangako, i-MEGTRON 6, i-MEGTRON 7, i-I-Tera MT40, izinto ze-Tachyon-class noma enye i-laminate efanelekile inganele.

Amaphrojekthi angase avumele ukubuyekezwa kwe-MEGTRON 8 afaka:

• Amabhodi okusheshisa e-AI namapulatifomu eseva ye-GPU anemizila emide noma ebanzi yesivinini esikhulu
• I-switch engu-800G noma engu-1.6T, ikhadi lomugqa kanye namabhodi okusingatha imodyuli ye-optical
• I-PCIe 6.0, i-CXL, i-SerDes kanye nemiklamo ye-backplane yesivinini esikhulu enezinhloso zokulahlekelwa eziqinile
• Amabhodi e-HBM, DDR5, ukuphathwa kanye nokubala amandla agcwele lapho isikhala sokuqoqa sinqunyelwe khona
• Ubunjiniyela bakha lapho ikhasimende lidinga khona ukuqhathaniswa kwezinto ezibonakalayo ngaphambi kokukhishwa kwevolumu

Uma umklamo uyingxenye yesikhulumi sokubala esibanzi, bheka ikhasi lethu kumaphrojekthi e-AI computing hardware PCB ukuze uthole izinto ezihlobene nokukhiqiza ezingeni lebhodi.

Ukubuyekezwa Kwe-Stackup Nokuqukethwe Ngaphambi Kwesilinganiso

Isilinganiso se-MEGTRON 8 akufanele sisekelwe kuphela kusayizi webhodi kanye nenani lezingqimba. Isilinganiso kufanele siqinisekise i-stackup, isabelo sezingqimba, ama-impedance target, uhlobo lwethusi, isu lokubhoboza, ukuqeda kwendawo nokuthi i-PCB yonke idinga i-MEGTRON 8 noma izingqimba zesignali ezikhethiwe kuphela.

Izilawuli Zokukhiqiza Zamabhodi Okulahlekelwa Okuphansi e-R-5795(U)

Ukucubungula kwe-MEGTRON 8 kudinga ukuzithiba okungaphezu kokwakhiwa okujwayelekile kwe-FR-4 okunezingqimba eziningi. Ukukhetha izinto kuthinta i-lamination, ukubhoboza, ukuplasta, ukubhaliswa, ukuqeda ubuso kanye nemibhalo yekhwalithi. Uhlelo oluhle lokwakha kufanele luvikele ithagethi yobuqotho besignali ngenkathi kugcinwa i-PCB ingakhiqizwa.

Ukubopha nokubhalisa

Izinto zokwakha ezinezingqimba eziningi ezilahlekelwa kancane kufanele zicindezelwe ngomjikelezo we-lamination olawulwayo kanye ne-stackup elinganisiwe. Amabhodi amakhulu anezingqimba eziphakeme azwela kakhulu ukugeleza kwe-resin, isitayela sengilazi, ukusatshalaliswa kwethusi kanye nokulingana kwamaphaneli. Ukubuyekezwa kobunjiniyela kufanele kuqinisekise ukuthi i-stackup ilinganisiwe ngokwemishini nokuthi i-lamination elandelanayo iyadingeka yini kuma-via angcwatshwe, ama-microvia noma izingxenye ezihlanganisiwe eziqinile.

Ukubhoboza, ukubhoboza ngemuva kanye nekhwalithi

Amabhodi e-MEGTRON 8 anesivinini esikhulu avame ukufaka amasimu aminyene, ukuqhekeka kwezixhumi kanye nokushintsha kwezingqimba eduze kwemizila ebalulekile. Ikhwalithi yokubhoboza, isimo sembobo nodonga, ukujiya kweplati, ukujula kokubhoboza ngemuva kanye nobude be-stub obusele konke kungathinta ukusebenza kwesignali. Imiklamo enezidingo eziqinile zesivinini esiphezulu kufanele ibuyekeze ukuhlelwa kokubhoboza emuva kwama-vias anesivinini esikhulu ngaphambi kokukhishwa kokuqala kokukhiqiza.

Impedance elawulwayo namakhuphoni

I-impedance elawulwayo kufanele ixhunywe ku-stackup evunyiwe kunokuba iphathwe njengenothi le-PCB elijwayelekile. Umklamo wekhuphoni, i-trace geometry, ukujiya kwethusi, isikhala se-dielectric kanye nendlela yokuhlola kufanele kuqinisekiswe ngaphambi kokuba iphakheji yokukhiqiza iqandiswe. Ikhasi lethu lenqubo ye-PCB ye-impedance elawulwayo lichaza ukuthi ama-impedance target avame ukuhunyushwa kanjani abe yizilinganiso zokukhiqiza.

Izinqumo ze-HDI kanye ne-via-in-pad

Amanye amabhodi e-MEGTRON 8 asebenzisa i-HDI kuphela lapho kudingeka khona umzila wokuphunyuka we-BGA noma ukuqhekeka kwesixhumi esiminyene. Amanye angahlala emiklamo evamile yezingqimba eziningi enezingqimba ezidlulayo kanye nokubhoboza emuva. Isinqumo esifanele sincike ekuphakameni kwephakeji, ukuphunyuka komzila, inani lezingqimba, okulindelwe ukuthembeka kanye nenani eliqondiwe. Kumaphrojekthi anezingqimba ezincane noma i-via-in-pad, buyekeza umklamo uqhathaniswe nenqubo yethu yokubuyekeza ukwenziwa kwe-HDI PCB ngaphambi kokuthumela ibhodi ekukhiqizweni.

Ukulahlekelwa Kwesiteshi, I-Copper Foil kanye Nokuqedwa Komphezulu

Uma ikhasimende lichaza i-MEGTRON 8, i-laminate iyingxenye eyodwa kuphela yesilinganiso sokulahlekelwa. Ukulahlekelwa yi-conductor, ubulukhuni bethusi, ngokushintshashintsha, indlela yokuxhuma, ukuvuleka kwemaski ye-solder kanye nokuphela kobuso nakho kungathinta ukuziphatha kwesivinini esikhulu. Umenzi we-PCB kufanele abukeze lezi zinto ngaphambi kokuncoma i-stackup noma ukucaphuna isakhiwo sokukhiqiza.

• I-copper foil: Izendlalelo zesignali ezibalulekile zingadinga ithusi le-VLP noma le-HVLP, kuye ngokuthi isiteshi sihlose ukuthini kanye nokutholakala kwezinto.
• Isu lokuziqeqesha emuva: nge-stubs kufanele kubuyekezwe lapho kwenzeka khona ukuguquka kwezendlalelo ezindleleni ezihamba ngesivinini esikhulu.
• Ukuqhubeka kwendiza yokubhekisela: izindiza ezihlukanisiwe, izikhala noma izinguquko zengqimba ezingadingekile kunganciphisa inzuzo yezinto ezilahlekelwa kancane.
• Ekupheleni kwendawo: I-ENIG, i-ENEPIG, isiliva lokucwilisa noma okunye ukuqeda kufanele kukhethwe ngokuya ngokuhlanganiswa, isikhathi sokuphelelwa yisikhathi, isixhumi kanye nezidingo ezihlobene nemvamisa.

Ukuze uthole imininingwane eyengeziwe mayelana nokukhetha komqhubi kanye nokuqeda, bheka umhlahlandlela wethu we- copper foil kanye nokuqeda kobuso ngamabhodi anemvamisa ephezulu . Uma iphrojekthi nayo iyinhlanganisela ye-fine-pitch, ukuqhathanisa ukuqeda kwe-ENIG kanye ne-ENEPIG kungasiza ekunciphiseni isinqumo sokuqeda.

Ama-Hybrid MEGTRON Stackups ukuze kutholakale izindleko kanye nokutholakala kwawo

I-stackup ye-MEGTRON 8 yonke akuyona njalo inketho engcono kakhulu yezentengiselwano noma yokukhiqiza. Amabhodi amaningi anezendlalelo ezimbalwa kuphela ezithwala izimpawu ezibucayi kakhulu ekulahlekelweni. Ezinye izendlalelo zingase zisekele amandla, umhlabathi, izimpawu zokuphatha noma umzila wejubane eliphansi. I-stackup ehlanganisiwe inganciphisa izindleko futhi ithuthukise ukutholakala kwezinto lapho ithimba lobuqotho besignali liqinisekisa ukuthi izendlalelo ezikhethiwe kuphela ezidinga i-MEGTRON 8.

Ukuze uthole umongo obanzi wokukhiqiza mayelana nokuhlanganiswa kwesivinini esikhulu, buyekeza ikhasi lethu lokukhiqiza le-PCB elinezingqimba eziningi ezinesivinini esikhulu.

Amabhodi Ohlelo Lokusebenza Avame Ukuhlola I-MEGTRON 8

I-MEGTRON 8 ibaluleke kakhulu lapho isabelomali sesiteshi kunzima ukusivala. Ezingxoxweni ze-RFQ ezisebenzayo, amakhasimende avame ukuyihlola ngomndeni othile webhodi kunokuba ibe yi-laminate yenhloso evamile.

• I-accelerator ye-AI kanye namabhodi eseva ye-GPU: amabhodi anezingqimba eziphakeme anomzila ominyene, amaphakheji amakhulu kanye nomkhawulo wesignali oqinile. Amanothi okukhiqiza ahlobene ahlanganiswe ku- Ukukhiqizwa kwe-PCB yeseva ye-GPU insiza.
• Amabhodi okushintsha noma amabhodi e-optical host angu-800G kanye no-1.6T: imiklamo lapho ukulahlekelwa kokufakwa, ngezigxobo kanye nezindlela zokuxhuma kumele kubuyekezwe ndawonye.
• Ama-backplanes namakhadi omugqa: amabhodi amakhulu lapho ukubhaliswa, ukugoba, ukubhoboza ngemuva kanye nokuvumelana kuwo wonke amaphaneli kubalulekile.
• Amabhodi okuhlola noma okuhlola asheshayo: Ukwakhiwa kobunjiniyela bokuqala kwakusetshenziselwa ukuqhathanisa izinto zokwakha, iphrofayili yethusi noma ngesakhiwo ngaphambi kokukhishwa kwepulatifomu yokukhiqiza.

Ukuhlola, Ukuhlola kanye Nemibhalo Yokwakha

Ekwakhiweni kwe-MEGTRON 8, imibhalo iyingxenye yenani le-PCB. Amaqembu obunjiniyela avame ukudinga ukuqhathanisa ibhodi elenziwe ngokuqhathanisa nokulingisa, ukuqinisekiswa kwelebhu kanye nedatha yokufaneleka kwamakhasimende. Imibhalo edingekayo kufanele kuvunyelwane ngayo ngaphambi kokukhiqizwa.

• Isitifiketi sezinto ezibonakalayo noma amadokhumenti okulandelela i-laminate uma kudingeka ikhasimende
• Ukuhlanganiswa okuvunyelwe okunobukhulu be-dielectric, isisindo sethusi kanye nohlu lwezinto ezisetshenziswayo
• Imibiko yokulinganisa ikhuphoni ye-Impedance ngokwendlela yokuhlola evunyelwene ngayo
• Ukubuyekezwa kwe-Microsection kokufakwa kwe-plating, ubukhulu be-dielectric kanye nokubhaliswa
• Amarekhodi okujula kokubhoboza ngemuva uma kucacisiwe ukulawula i-stub
• Ukuhlolwa kukagesi, i-AOI kanye namarekhodi okuhlola okugcina asekelwe ohlelweni lwekhwalithi yekhasimende

Uma ibhodi lihlanganiswe ngemva kokwenziwa, ukuhlela ukuhlolwa kufanele futhi kufake phakathi ukushintshwa kwensimbi, ukuqeda ukuhlanganiswa, ukuthembeka kwe-BGA kanye nezidingo zenqubo eseceleni kwezingxenye.

Iphakheji ye-RFQ yesilinganiso se-MEGTRON 8 PCB

Iphakheji ephelele ye-RFQ isiza ukugwema amanani anganembile kanye nemibuzo ephindaphindwayo yobunjiniyela. Kumaphrojekthi e-MEGTRON 8, thumela okuningi kwalokhu okulandelayo ngangokunokwenzeka:

• Amafayela okukhiqiza e-Gerber X2, ODB++ noma i-IPC-2581
• Umdwebo we-stackup one-callout yezinto ezibonakalayo, isisindo sethusi kanye nobukhulu be-dielectric
• Ithebula le-Impedance elinezinhloso eziphelele kanye nezihlukile
• Izidingo zefayela lokubhoboza kanye ne-back-drill, kufaka phakathi izendlalelo eziqondiwe kanye nemithetho ye-stub esele
• Amanothi okwenziwa anomphetho wobuso, imaski yomshini wokudayisa, ikilasi le-IPC, ngokugcwaliswa kanye nezidingo zekhuphoni
• Uhlu olubalulekile lwe-net noma amanothi e-SI emizileni ye-SerDes, PCIe, Ethernet, DDR, HBM noma yewashi
• Amadokhumenti adingekayo njengezitifiketi zezinto ezibonakalayo, izingxenye ezincane noma imibiko yokuvimbela
• Inani lesibonelo, inani lokuhlola kanye nohlelo lokukhishwa komkhiqizo olulindelekile

Thumela iphakheji yakho yedatha ku-Highleap Electronics ukuze ibukezwe nge-stackup, iqinisekiswe ngezinto kanye nekhotheshini yokukhiqiza. Ungathumela iphakheji yekhotheshini ye-MEGTRON 8 PCB noma uxhumane nethimba lethu lobunjiniyela uma izinto, i-copper foil, i-back-drill noma uhlelo lwe-impedance lusadinga ukubuyekezwa ngaphambi kokukhishwa.