Izinto Ezisebenza Kakhulu ze-ATE kanye Nomklamo Webhodi Lomthwalo

Isingeniso se-ATE PCB Materials

Ukusebenza kokubalulekile kuthinta ngokuqondile ukunemba kokuhlolwa nokuthembeka ezinhlelweni zokusebenza zemishini yokuhlola ezenzakalelayo. Ngokungafani namabhodi wesekethe ajwayelekile, izinto ze-ATE PCB kufanele zigcine ubuqotho besignali kuyo yonke imijikelezo yokuhlola eminingi ngenkathi imelana nokucindezeleka komshini okuvela ekuxhumaneni okuphindaphindiwe kwe-probe. Izici zikagesi zalezi zinto zinquma ukuthi amasiginali anesivinini esiphezulu afinyelela amaphuzu okuhlola ngaphandle kokuhlanekezela, okwenza ukukhetha kwezinto kube yisici esibalulekile ekusebenzeni kwesistimu yokuhlola.

Ama-PCB e-semiconductor evamile abeka phambili ukusebenza kahle kwezindleko nokuthembeka okujwayelekile, kodwa amabhodi okuhlola asebenza ngaphansi kwezimo ezihluke kakhulu. Izinhlelo zokusebenza ze-ATE zidinga izinto ezigcina ikhwalithi yesiginali kumafrikhwensi angaphezu kuka-10 GHz kuyilapho zisekela amaphethini omzila aminyene adingekayo ukuze kuhlolwe idivayisi yesimanje.

Izidingo Ezibalulekile Zezinto Ze-ATE PCB Kundawo Yokuhlola

Ukudluliswa Kwesiginali Esisheshayo

Ubuqotho besiginali buba yinto ebalulekile lapho izinto ze-ATE PCB zithwala izimpawu zokuhlola kumaza amaningi e-gigahertz. I-dielectric constant ephansi (Dk) kanye ne-minimal dissipation factor (Df) kuvimbela ukuwohloka kwesiginali emigqeni yokudlulisela, okuqinisekisa ukuthi izilinganiso ezinembile zifinyelela kudivayisi evivinywayo. Ukukhethwa kwezinto kuthinta ngqo ukuthi ukulawulwa kwe-impedance kuhlala kuzinzile kuyo yonke indlela yesiginali, ikakhulukazi emabhodini okulayisha axhumanisa ama-electronics okuhlola kuma-interface e-probe.

Ukubekezela Kwezinga Lokushisa Kwamabhodi Okushiswa Ngaphakathi

Ukuhlolwa kokushiswa kufundisa amadivayisi e-semiconductor kumazinga okushisa aphakeme isikhathi eside, okudinga izinto ze-ATE PCB ezinokuzinza okukhethekile. Izinto ezisetshenziswayo kumele zigcine ukunemba kobukhulu kanye nezakhiwo zikagesi emazingeni okushisa afinyelela ku-125°C kuya ku-150°C ngaphandle kokuncipha noma ukugoqa.

Izinga lokushisa le-Glass Transition (Tg) elingaphezu kuka-170°C liqinisekisa ukuthi amabhodi ashisiwe aphila amakhulu emijikelezo yokushisa kuyilapho egcina ukubhaliswa phakathi kwezingqimba zebhodi. Lokhu kubekezelela okushisayo kwehlukanisa izinto zebanga lokuhlola kuma-laminates ajwayelekile e-PCB.

Ukuzinza Kwemishini Emabhodini Anosayizi Omkhulu

Amabhodi okulayisha namakhadi e-probe ngokuvamile adlula ubukhulu be-PCB obujwayelekile, ngokucushwa okuthile okuhlanganisa u-500mm kuya ku-700mm. Izinto ze-ATE PCB kufanele zimelane ne-warpage kuwo wonke lawa mafomethi amakhulu ukuze kugcinwe ukuqondanisa okunembile kwe-probe-to-pad phakathi nokuhlolwa. I-coefficient of thermal expansion (CTE) ukumatanisa phakathi kwezinto zokwakha kanye nezakhiwo zokuqinisa kuvimbela ukukhukhuleka okungahle kubeke engcupheni ukuthembeka kokuxhumana nokuhlolwa.

Izinto Ezivamile Ezisebenza Kakhulu ze-ATE PCB

I-Megtron 6 kanye ne-Megtron 7 yezicelo ze-High-Frequency

I-Megtron 6 isebenza njengendinganiso yemboni yezinhlelo zokusebenza ze-ATE ezivame kakhulu ezidinga ukulahleka okuncane kwesiginali. Le nto ye-laminate elahlekelwa kancane inezici zokushabalalisa ezingaphansi kuka-0.005 ku-10 GHz, okwenza ifaneleke kakhulu kumabhodi okulayisha aphatha ukuhlolwa kwamadivayisi okuthuthukisiwe.

I-Megtron 7 yandisa lawa makhono ngamanani aphansi kakhulu e-dielectric constant (Dk cishe angu-3.3 ku-10 GHz), isekela ukudluliswa kwesignali kumapulatifomu okuhlola esizukulwane esilandelayo asebenza ngaphezu kwamabanga emvamisa angu-20 GHz. Zombili izinto zigcina izakhiwo zikagesi ezizinzile kuzo zonke izinguquko zokushisa ezitholakala ngesikhathi sokuhlolwa kokukhiqiza.

i-laminate ekhethekile yokulahlekelwa okuphansi i-laminate ekhethekile ephansi yokulahlekelwa futhi 3003

Ama-laminate asezingeni eliphezulu ane-laminate ephansi yokulahlekelwa okukhethekile abhekana nezidingo zezinto ze-PCB ezikhethekile ze-ATE lapho izakhiwo ze-dielectric ezihambisanayo zibalulekile khona. Uhlobo lwe -laminate oluphansi yokulahlekelwa okukhethekile lunikeza ukucutshungulwa okufana ne-FR-4 ejwayelekile ngenkathi kugcinwa ukubekezelelana okuqinile kwe-dielectric kuwo wonke amazinga okuphindaphinda kanye nokushisa.

i-laminate ekhethekile ephansi kokulahlekelwa inikeza ukwakhiwa okugcwele i-ceramic kwezinhlelo zokusebenza ezifuna ukuzinza okuphezulu kobukhulu bezinto zokuhlola ze-microwave kanye namakhadi e-RF probe. I-CTE yemindeni ye-laminate ekhethekile ephansi kokulahlekelwa ephansi ifana kakhulu nethusi, inciphisa ukucindezeleka kokushisa ezimbobeni ezifakwe amapulangwe.

I-Polyimide ne-FR-408HR Yezinhlelo Zokusebenza Zezinga Lokushisa Eliphezulu

Izinhlelo zokusebenza zokushiswa kwezinga lokushisa eliphezulu zincike ezintweni ze-ATE PCB ezisekelwe ku-polyimide ezikwazi ukumelana nezindawo ezishisayo. Lezi zinto zigcina ubuqotho besakhiwo emazingeni okushisa okusebenza okuqhubekayo angu-150°C kuya ku-200°C, namazinga okushisa engilazi adlula ama-250°C.

I-FR-408HR inikeza isisombululo esimaphakathi, esihlinzeka ngokusebenza okushisayo okuthuthukisiwe (Tg 180°C) okungaphezu kwamandla ajwayelekile e-FR-4 kuyilapho kugcinwa ukuhambisana nezinqubo zokukhiqiza ze-PCB ezivamile. Lesi sici sifanelana namabhodi ashisiwe asebenza kumazinga okushisa aphakathi kuka-125°C kuya ku-150°C.

I-Panasonic R-5775(N) yamabhodi okulayisha ama-Multilayer

Ukwakhiwa kwebhodi lokulayishwa kwezingqimba eziningi okuyinkimbinkimbi kudinga izinto ezinamazinga okushisa okushintsha kwengilazi aphezulu kanye nezici eziphansi zokunwetshwa kwe-Z-axis. I-Panasonic R-5775(N) ibhekana nalezi zidingo ngamavelu e-Tg angu-180°C kanye nezindawo zokunweba ezilawulwayo ezivimbela ngokuqhekeka kwemiphongolo phakathi nokuhamba ngebhayisikili okushisayo.

Le sistimu yezinto isekela ukubala kwesendlalelo esidlula izendlalelo ezingu-30 kuyilapho igcina ukunemba kokubhalisa okubalulekile kwamalungu afanayo ephedi yokuhlola aminyene. Izici eziphansi ze-CTE ziqinisekisa ukuzinza kwe-dimensional kuwo wonke amadizayini webhodi lomthwalo wefomethi enkulu.

Ukukhetha Okubalulekile Ngohlobo Lwebhodi Lwezicelo ze-ATE

Ukukhetha izinto ezifanele ze-ATE PCB kuncike emisebenzini ethile yebhodi ngaphakathi kwesistimu yokuhlola. Uhlobo lwebhodi ngalunye luhlangabezana nezimo ezihlukile zikagesi, ezishisayo, nezomshini ezisho izici ezifanele zempahla.

Amabhodi okulayisha azuza kakhulu ezicini ze-Megtron 6 ngoba ahambisa izimpawu zebanga le-gigahertz phakathi kweziteshi zokuhlola kanye nezixhumi zedivayisi. Amakhadi e-probe adinga izinto ezisekela amakhono okuqopha umugqa oqondile (imikhondo yehlela ku-50μm) kanye nokwakheka kwama-array okuxhumana aphezulu.

Amabhodi okushisa asebenza njalo emazingeni okushisa aphezulu, okudinga ukwakhiwa kwe-polyimide ukuze kugcinwe ukuthembeka kuyo yonke imijikelezo yokuvezwa kokushisa ende ethatha amahora angu-48 kuya kwangu-168.

Ukucatshangelwa Kokukhiqiza Nezindleko Zezinto Ze-ATE PCB

Ukulawulwa Kwezinsimbi Zokulahleka Okuphansi

Ukucubungula ukulahleka okuphansi kwezinto ze-ATE PCB kudinga imingcele eqondile yokubeka i-lamination ukuze kulondolozwe izakhiwo zazo zikagesi. Imijikelezo yokucindezela kufanele ifinyelele ukugeleza kwe-resin okuphelele ngaphandle kokuwohloka kwempahla ngokweqile, ikakhulukazi kuma-laminate athuthukisiwe njenge-Megtron 7 lapho umlando wokushisa uthinta ukusebenza kwe-dielectric.

Amapharamitha abalulekile we-lamination afaka:

• Amazinga okushisa alawulwayo - Amarempu okushisa kancane kancane avimbela ukuwohloka kwe-resin futhi agcine izici eziphansi ze-Df.
• Amaphrofayili okucindezela alungiselelwe - Ukusabalalisa kwengcindezi okulinganiselayo kuqinisekisa ukugeleza kwe-resin efanayo ngaphandle kokuchayeka kwe-fiber.
• Ukulawula umkhathi - Imvelo ye-nitrogen lamination inciphisa imiphumela ye-oxidation ekudlulisweni kwesignali.

Ukuhambisana Kwe-Surface Finish

Izinhlelo zokusebenza ze-ATE zemvamisa ephezulu zidinga ukuqedwa kwangaphezulu okunciphisa ukulahleka komphumela wesikhumba kuyilapho kusekela ukuthintana okuthembekile kwe-probe. Igolide lokucwiliswa kwe-nickel elingenawo amandla (i-ENIG) lihlala liwukukhetha okujwayelekile kwamabhodi okulayisha, ahlinzeka ngokuhleleka okuhle kakhulu nokumelana nokuxhumana okungaphansi kwama-milliohms angu-5.

Isiliva lokucwiliswa linikeza ukusebenza okuthuthukisiwe kukagesi kumaza adlulele kodwa kudinga izimiso zokugcinwa ngokucophelela ukuze kunqandwe ukungcoliswa. Ezinye izinhlelo zokusebenza zisebenzisa i-hard gold plating ezindaweni zokuthintana ukuze zimelane nokuguga kwemishini kusukela ekuhlanganyeleni okuphindaphindiwe kophenyo.

Ukuthuthukiswa Kokusebenza Kwezindleko

Izindleko zezinto ezibonakalayo zezinhlelo zokusebenza ze-ATE PCB zingadlula izinto zebhodi ezijwayelekile ngezici izikhathi ezintathu kuya kweziyisihlanu. Onjiniyela kufanele balinganisele izimfuneko zokusebenza ngokumelene nemikhawulo yesabelomali ngokugcina izinto zeprimiyamu zezendlalelo zesignali ezibalulekile kuyilapho besebenzisa ama-core FR-4 ajwayelekile ezindaweni ezingabalulekile.

Ukwakhiwa kwe-Hybrid okuhlanganisa izendlalelo eziphezulu zemvamisa ephezulu nezendlalelo zangaphakathi ezijwayelekile zinganciphisa izindleko zempahla ngamaphesenti angama-30 kuye kwangama-40 ngaphandle kokuphazamisa ukusebenza kokuhlolwa. Le ndlela igcina ubuqotho besignali ezingqimbeni zangaphandle zomzila kuyilapho isebenzisa izinto ezingabizi kakhulu zamandla nezindiza eziphansi.

Isiphetho

Ukukhethwa okufanele kwezinto ze-ATE PCB kwakha isisekelo sokusebenza kwesistimu yokuhlola okuthembekile kuyo yonke imisebenzi yokukhiqiza i-semiconductor. Amabhodi okulayisha ama-high-frequency adinga ama-dielectrics alahlekelwa kancane ukuze alondoloze ikhwalithi yesignali, kuyilapho amabhodi ashisa ngaphakathi ancike ezintweni ezisezingeni eliphezulu zokushisa okushisayo. Ukuqonda ubudlelwano phakathi kwezakhiwo ezibonakalayo nomsebenzi webhodi kwenza onjiniyela bakwazi ukucacisa izakhiwo ezifanele ezihlangabezana nezidingo zokusebenza.

I-Highleap Electronics inikeza izixazululo eziphelele ze-ATE PCB :

• Ubuchwepheshe obuthuthukisiwe bezinto ezibonakalayo - Ukusekelwa kobunjiniyela beMegtron, i-laminate ekhethekile ephansi yokulahlekelwa, kanye nokukhethwa kwe-polyimide substrate ngokusekelwe ezidingweni zakho zokuhlola.

• Ukukhiqizwa okunembile - Izinqubo zokulawula i-lamination kanye nokuphathwa kwe-impedance kwamabhodi omthwalo wemvamisa ephezulu afinyelela ku-40 GHz.

• Ukuqinisekiswa kwekhwalithi - Ukuqinisekiswa kobukhulu kanye nokuhlolwa kukagesi ukuqinisekisa ukunemba kokulungiswa kweprobe kuwo wonke amabhodi amakhulu.

Xhumana nethimba lethu lobunjiniyela ukuze uxoxe ngezidingo zakho zezinto ze-ATE PCB futhi uthole izincomo eziningiliziwe ze-stackup zepulatifomu yakho yokuhlola.