Ukuqhathanisa i-Rogers, i-Taconic, ne-Isola Materials yama-RF PCB

Isingeniso

Ekwakhiweni kwesekethe yemvamisa ephezulu, ukukhetha kwezinto kunquma ngokuqondile ubuqotho besignali, ukulahlekelwa kokufaka, nokusebenza okushisayo. Uma usebenza ku-spectrum ye-GHz, ukuqhathanisa okubalulekile kwe-RF PCB kuba semqoka konjiniyela balinganisela ukusebenza ngokumelene nemikhawulo yezindleko. Rogers vs Taconic vs Isola I-RF PCB imele izindlela ezintathu ezivelele zobunjiniyela be-substrate, ngayinye inikezela ngokuhwebelana okuhlukile kuzakhiwo ze-dielectric, ukwenziwa, kanye nezakhiwo zentengo.

I-Rogers Corporation ihola izicelo zokulahlekelwa okuphansi kakhulu, i-Taconic ihamba phambili ku-PTFE-based high-frequency solutions, futhi i-Isola inikeza ezinye izindlela ezingabizi kakhulu ezihambisana nezinqubo zokwenziwa ezijwayelekile. Lokhu kuqhathanisa kuhlola ukuthi umndeni ngamunye wezinto ezibonakalayo ubhekana kanjani nezidingo zobuchwepheshe zamasistimu esimanje e-RF, kusukela kungqalasizinda ye-5G kuya kumamojula e-radar asebenza ngaphezu kuka-20 GHz.

Uhlolojikelele Lwezimfuneko Ezibalulekile Ze-RF PCB

Izinto ze-PCB ezinemvamisa ephezulu kumele zigcine i-dielectric constant ezinzile (Dk) kuwo wonke amabanga okushisa kuyilapho inciphisa ukulahleka kwe-tangent (Df) ukuze kulondolozwe i-amplitude yesignali. Kumafrikhwensi angaphezu kuka-10 GHz, ngisho nokuhluka okuncane ku-Dk kubangela ukungafani kwe-impedance eyehlisa ukulahlekelwa kokubuyisela futhi ikhulise izilinganiso zamaphutha amancane. Ukucaba kwe-substrate nakho kuba bucayi, njengoba ukungahambi kahle kwendawo okusondela kubude be-wavelength kungaletha ukuhlanekezela kwesigaba.

Ubuchwepheshe obuthathu bezinto eziyinhloko bulawula ukwenziwa kwe-RF PCB: i-PTFE emsulwa (i-polytetrafluoroethylene) inikezela ngokulahleka okuphansi kakhulu kodwa idinga ukucutshungulwa okukhethekile, izinhlanganisela ezigcwaliswe nge-ceramic zinikeza ukuzinza kobukhulu ngokusebenza okumaphakathi, kanye namahybrids e-hydrocarbon resin anika amandla ukuhambisana nemishini ejwayelekile yokukhiqiza i-FR-4. Ukuqhathanisa okubalulekile kwe-RF PCB ekugcineni kuzungeza ekufaniseni lezi zici ze-substrate namabhendi emvamisa yohlelo lokusebenza kanye nemikhawulo yokukhiqiza.

Rogers Materials for RF PCBs

Imigqa Yomkhiqizo Obalulekile kanye Nezimpawu

Rogers 4003C futhi I-4350B imele indinganiso yemboni yemiklamo evimbelayo elawulwayo, ehlanganisa inhlaka ye-hydrocarbon egcwele i-ceramic enamanani ka-Dk angu-3.38 no-3.48 ngokulandelanayo. Laminates aletha ukusebenza kukagesi okungaguquki ngenkathi egcina ukuhambisana nezinqubo zokuhlanganisa ezingenamthofu. Uchungechunge lwe-RT/duroid 5880 lisebenzisa ukwakhiwa kwe-PTFE okumsulwa ngo-Dk of 2.20 kanye ne-tangent yokulahlekelwa ngaphansi kuka-0.0009 ku-10 GHz, okuyenza ibe inketho ekhethwayo yezinhlelo zokusebenza ze-millimeter-wave lapho ukulahlekelwa kokufaka kuthinta ngokuqondile ububanzi besistimu.

Izinzuzo Zokusebenza

Izinto ze-Rogers zihamba phambili ezinhlelweni zokusebenza ezifuna ukulawulwa okunembe kwe-impedance kuzo zonke izikhala ezibanzi. Ukucaciswa kokubekezelela kuka-Dok okuqinile kuqinisekisa ukuthi imigqa yokudlulisa engu-50-ohm igcina isici esivimbelayo ngaphakathi kuka-±2 ohms ngokuhlukahluka kokukhiqiza. Amanani aphansi kakhulu e-Df ahumusheka ekuncipheni okuncane ekulandeleleni okude namanethiwekhi okuphakela kwe-antenna. Ama-coefficients wezinga lokushisa ahlala ezinzile ukusuka ku--55°C kuya ku-+125°C, okubalulekile kumasistimu e-aerospace namasistimu e-radar yezimoto ahlangabezana nokushintshashintsha okwedlulele kwemvelo.

Ukukhiqiza Nezindleko

Ukusebenza kwe-premium kwe-Rogers laminates kuza nezikhathi zokuhola ezinwetshiwe kanye nezindleko zezinto ezibonakalayo uma kuqhathaniswa nezinye. Ama-substrates asekelwe ku-PTFE adinga imingcele yokumba eguquliwe kanye nokulungiswa okukhethekile kwendawo yokunamathela okuthembekile kokunamathela. Kodwa-ke, lapho ukuqhathanisa kwezinto ze-RF PCB kubeka kuqala ukusebenza kukagesi ngaphezu kwenani, izinto ze-Rogers zithethelela izindleko zazo ngokwethembeka okuphakeme kumasistimu abalulekile emishini.

Taconic Materials for RF PCBs

Uhlolojikelele Lwephothifoliyo Yezinto Ezibalulekile

I-Taconic RF-35 ihlanganisa i-fiberglass elukiwe ne-PTFE resin ukuze kuzuzwe Dk yokungu-3.50 kanye ne-tangent yokulahlekelwa engu-0.0018 ku-10 GHz, ibhalansisa ukusebenza kukagesi namandla omshini. Uchungechunge lwe-TLY-5A lunikeza uDkt (2.20) ophansi wezinhlelo zokusebenza ezidinga ububanzi obuncishisiwe bokulandela umkhondo, kuyilapho i-CER-10 ihlinzeka ngokungaguquguquki okuphezulu kwe-dielectric (10.0) kumadizayini wesihlungi se-compact microstrip. Lokhu bubanzi kwenza i-Taconic iqhudelane kuyo yonke i-Rogers vs Taconic vs Isola ukuqhathanisa kwezicelo zemvamisa yebanga eliphakathi.

Amandla Obuchwepheshe

Ukwakhiwa kwe-PTFE egcwele i-Ceramic iletha ukuqina okuhle kakhulu kwe-dimensional ngesikhathi sokuhamba ngebhayisikili eshisayo, ne-CTE (i-coefficient of thermal expansion) ifaniswe eduze nethusi. Lokhu kunciphisa ukunwetshwa kwe-z-axis okungadala izinkinga zokuthembeka kwe-plated through-hole kumadizayini ezendlalelo eziningi. Izinto ze-Taconic zigcina izici zokulahlekelwa okuphansi ezifika ku-40 GHz, ezifanele amamojula angaphambili we-5G millimeter-wave kanye nezinhlelo zokubuyela emuva ezingenantambo ze-point-to-point.

Imikhawulo kanye Nokucubungula Amanothi

Ama-laminates asekelwe ku-PTFE adinga ingcindezi elawulwayo phakathi ne-multilayer lamination ukuze kugwenywe ukungahambisani nokugeleza kwe-resin okuthinta ukufana kokugcina kuka-Dk. Amandla omshini awela ngaphansi kwamazinga e-FR-4, okudinga ama-substrate aminyene noma izakhiwo zokusekela ezinhlelweni zokusebenza ezinokuvezwa kokudlidliza okuphezulu. Ukuma kwezindleko kuhlala phakathi kwemikhiqizo ye-premium ye-Rogers nezinye izindlela ze-Isola, okwenza i-Taconic ibe ukukhetha okunengqondo lapho ukuqhathanisa okubonakalayo kwe-RF PCB kufanele kulinganisele ukusebenza nemikhawulo yesabelomali.

Isola Materials for RF PCBs

Ukwakhiwa Komkhiqizo

Isola I-Tera MT40 isebenzisa isistimu ye-resin yobunikazi efinyelela ku-Dk ka-3.45 ngokulahleka kwe-tangent okungu-0.0031 ku-10 GHz, isusa i-PTFE ngokuphelele ukuze inike amandla ukucutshungulwa emigqeni yokwenziwa ye-FR-4 evamile. I-Astra MT77 yehlisa u-Dk iye ku-3.00 ngokuncishiswa kwe-crosstalk emibuthanweni ehlangene ye-digital-RF hybrid. Ulayini we-TerraGreen wengeza ukubambezeleka kwelangabi kwe-halogen ukuze kuthotshelwe imvelo ngaphandle kokuphazamisa ukusebenza kukagesi ebangeni elingaphansi kwama-20 GHz.

Izinzuzo Zokukhiqiza

Ukuhambisana ngokugcwele nokucubungula okujwayelekile kwengilazi ye-epoxy kususa izidingo zamathuluzi ezikhethekile zokumba, umzila, nokuqedwa kwendawo. Lokhu kunciphisa kakhulu izindleko zokwenziwa kanye nezikhathi zokuhola uma kuqhathaniswa nezinto ze-PTFE. I-Isola substrates futhi yenza kube lula ukunqwabelana kwe-dielectric okuxubile lapho izigaba ze-RF zihlala khona kanye nezendlalelo zedijithali ezixinene kakhulu, zigwema izinselele ze-lamination ezitholakala ekuhlanganiseni i-PTFE nama-prepregs avamile. Lapho ihlola i-Rogers vs Taconic vs Isola ye-RF PCB, i-Isola iyaphumelela lapho ukukhiqiza kuthinta ngokuqondile ezomnotho zephrojekthi.

Imingcele yokusebenza

Nakuba izinto ze-Isola zisebenza kahle ngamafrikhwensi e-X-band, ukulahlekelwa kokufaka kukhuphuka ngokuphawulekayo ngaphezu kuka-20 GHz uma kuqhathaniswa nochungechunge lwe-Rogers RT/duroid noma lwe-Taconic TLY. Ukuzinza okungaguquki kwe-Dielectric kuwo wonke amazinga okushisa kufakazela ukufaneleka kwezicelo zentengiso kodwa kuyasilela ezincazelweni ze-aerospace. Ukuqhathaniswa kwezinto ze-RF PCB kukhombisa ukuthi i-Isola ihlezi endaweni emnandi yamadivayisi e-IoT, ingqalasizinda engenantambo yezimboni, kanye nengqalasizinda ezwelayo ye-5G lapho ukusebenza kukagesi okwamukelekayo kuvumela amasu entengo anolaka.

Rogers vs Taconic vs Isola - Ukuhlaziya Ngokuqhathanisa

Ithebula elilandelayo lifingqa amapharamitha abalulekile wokuqhathanisa impahla ye-RF PCB kubo bonke abakhiqizi abathathu:

Izinto ze-Rogers ziletha ukusebenza okuphelele kwezinhlelo zokusebenza lapho ubuqotho besignali bungenakonakaliswa, okubonisa intengo ye-premium ngokusebenzisa izici zikagesi ezisezingeni eliphezulu nokuzinza kwe-thermal. I-ultra-low low loss tangent kanye nokubekezelela kuka-D okuqinile kunika amandla amadizayini aphushela ku-110 GHz kwezokuxhumana ngesathelayithi namasistimu e-radar yezimoto.

I-Taconic ithatha indawo emaphakathi ekuqhathaniseni kwe-Rogers vs Taconic vs Isola, enikeza ukusebenza okusekelwe ku-PTFE ngezindleko ezincishisiwe. Ukwakhiwa okugcwele i-ceramic kunikeza ukuqina kwemishini ngenkathi kugcinwa izici zokulahlekelwa ezifanele iziteshi eziyisisekelo ze-5G kanye nezixhumanisi ze-microwave point-to-point ezisebenza ngaphansi kuka-40 GHz.

Izinto zokwakha ze-Isola zibeka phambili ukwenziwa kanye nokusebenza kahle kwezindleko, zizenze zilungele imikhiqizo yokuthengisa enevolumu ephezulu lapho ukuqhathaniswa kwezinto ze-RF PCB kufanele kuthande ukwehla kokukhiqiza. Ikhono lokucubungula lawa ma-substrates kumshini wokwenziwa ojwayelekile wehlisa utshalomali lwamathuluzi futhi lisheshisa ukuguqulwa kwe-prototype-to-production.

Umhlahlandlela Wokukhetha Okubalulekile Wezinhlelo Ezihlukene

Ezokuxhumana kanye Nezinhlelo Zerada

Amamojula we-radar yezempi nawe-aerospace asebenza ku-Ka-band (26.5-40 GHz) adinga i-Rogers RT/duroid 5880 noma ama-substrates alahleka kakhulu aphansi kakhulu ukuze kukhuliswe ububanzi bokutholwa. Ama-antenna ahlelwe ngezigaba azuza ku-Rogers 4350B ngokumatanisa okunemba kwesigaba kuwo wonke ama-elementi angamakhulu. Lapho ukuqhathaniswa kwezinto ze-RF PCB kubeka phambili ukwethembeka okuqinisekisiwe ezindaweni ezinokhahlo, izinto ze-Rogers zihlala ziyizicaciso ezizenzakalelayo naphezu kwezindleko eziphezulu zokutholwa.

Ingqalasizinda ye-5G kanye Nokungenantambo

Amalungu afanayo esiteshi esikhulu se-MIMO adinga ukusebenza kukagesi okungaguquki kuzo zonke izindawo zamaphaneli amakhulu, okwenza i-Taconic RF-35 noma i-Rogers 4003C ibe izinqumo ezifanele. Ukuthunyelwa kwamaseli amancane kanye nemishini yezakhiwo zamakhasimende ngokuya kusebenzisa i-Isola I-Tera MT40 ukuze kuncishiswe izindleko ze-bill-of-materials ngenkathi kuhlangatshezwana nezidingo ze-3GPP spectral mask. Isinqumo sikaRogers vs Taconic vs Isola sincike ekulinganiseni izidingo zebhajethi yesixhumanisi ngokumelene namavolumu okukhiqiza.

I-Industrial Automation kanye ne-IoT

Amanethiwekhi wezinzwa ezingenantambo nezinhlelo zokulawula izimboni ezisebenza ngaphansi kwe-6 GHz thola izinto ze-Isola zinikeza ukusebenza okwanele ngezinzuzo ezibalulekile zezindleko. Ukwenziwa lula kuvumela ukuphindaphinda kwedizayini ngokushesha ngesikhathi sokuthuthukiswa. Lapho ukuqhathaniswa kwezinto ze-RF PCB kufaka phakathi ukwenziwa njengento eyinhloko, i-Isola substrates isheshisa isikhathi sokuya emakethe kuyilapho igcina ukuthobelana nemithetho ye-EMC yezicelo ze-spectrum ezingagunyaziwe.

Ukucatshangelwa Kokukhiqiza Nokuhambisana Nenqubo

Izidingo Zokucubungula ze-PTFE

Ama-laminates e-Rogers kanye ne-Taconic PTFE adinga amazinga okushisa aphakeme e-lamination (260-280°C) kanye namazinga okupholisa alawulwayo ukuze kuvinjelwe i-warpage ekwakhiweni kwezingqimba eziningi. Izingcezu zokubhoboza kufanele zisebenzise amajiyometri akhethekile ukuze kugwenywe ukubola, ngokushintshana okuvamisile okugcina ikhwalithi yembobo. Ukwelashwa okungaphezulu nge-sodium etching noma ukucutshungulwa kwe-plasma kuqinisekisa ukunamathela okwanele kwethusi kokucwenga okungenawo ugesi. Lezi zinqubo ezikhethekile zikhawulela ukukhetha komkhiqizi futhi zandisa amashejuli okukhiqiza.

I-Hybrid Dielectric Stackups

Izinto ze-Isola zihamba phambili emiklamo exubile ye-dielectric lapho izingxenye ze-RF zihlangana nezingqimba zomzila zedijithali ezixinene kakhulu. Ukuhlanganiswa kwangaphambi kokukhulelwa okujwayelekile kuqeda inselele yesixhumi esibonakalayo se-PTFE-to-FR-4 engabangela amaphutha okubhaliswa kwesendlalelo kanye nokungafani kokunwetshwa kwe-z-axis. Lokhu kwenza ukulawulwa kwe-impedance kube lula futhi kunciphisa amazinga e-scrap phakathi ne-multilayer lamination. Lapho ukuqhathaniswa kwezinto ze-RF PCB kufaka phakathi amamethrikhi esivuno somhlangano, ama-substrates e-Isola abonisa izinzuzo ezicacile zemikhiqizo eyinkimbinkimbi yamasignali.

Amakhono Okwenza Okubalulekile

Enosingamzali Ukukhiqizwa kwe-RF PCB idinga ukuhlolwa kwe-impedance okulawulwayo nge-TDR (time-domain reflectometry) ukuqinisekiswa, ukuthwebula kwe-laser okuqondile kwephethini yomugqa ocolekile, namafoil ethusi anobushelelezi ukuze kuncishiswe ukulahleka kwe-conductor kumafrikhwensi e-microwave. Ukulawula umswakama okubalulekile kanye nokungaboni nge-laser drilling kuyayisibopho emiklamo ethuthukisiwe. Ukukhetha ozakwethu bokwakha abanolwazi olubhaliwe ku-Rogers vs Taconic vs Isola processing kufakazela njengokubaluleke kakhulu njengokukhetha kwezinto ezibonakalayo uqobo.

Isiphetho

Lokhu kuqhathaniswa kwezinto ze-RF PCB kukhombisa ukuthi uRogers, uTaconic, no-Isola ngamunye ufeza izindima ezihlukile ekwakhiweni kwefrikhwensi ephezulu. I-Rogers laminates iletha ukusebenza okuhamba phambili embonini kwezinhlelo ze-RF ze-ultra-high-frequency kanye nokunemba kwe-RF, izindleko zebhalansi yezinto ze-Taconic kanye nokuzinza kukagesi kwezinhlelo zokusebenza zezohwebo ezivamile, kuyilapho i-Isola substrates igcizelela ukukhiqizwa kanye nokunciphisa ukukhiqizwa kwevolumu ephezulu. Ukukhetha okokusebenza okuphelele kudinga ukulinganisa ukusebenza kwe-dielectric, izindleko, nokuhambisana kwenqubo ngokusekelwe ezidingweni zesistimu yakho namandla okukhiqiza.

Amakhono we-Highleap Electronics:

• Ukuhlukahluka kwezinto - Ingcweti ekucubunguleni ama-Rogers, Taconic, kanye ne-Isola laminates ye-RF kanye nezicelo ze-microwave.
• Ukulawulwa kwe-Precision impedance - Ukubekezelela okuqinile kwe-impedance okuzuzwa ngokujiya okulawulwayo kwe-dielectric kanye nokwenza kahle komugqa wokudlulisela.
• Ukuhlanganiswa kwe-stackup ye-Hybrid - I-lamination engenamthungo yezakhiwo ezixubile ezihlanganisa i-PTFE nezingqimba ezingezona ze-PTFE.
• Ukuqedwa kwendawo yokulahlekelwa okuphansi - I-ENEPIG ethuthukisiwe nesiliva yokucwiliswa iqeda ukunciphisa ukulahleka kokufakwa kumafrikhwensi aphezulu.
• Ukuthembeka kwe-thermal - Ukusebenza okuqinisekisiwe ngaphansi kokuhamba ngebhayisikili okushisayo nezimo zokulayisha i-RF yamandla aphezulu.

I-Highleap Electronics isekela onjiniyela ekukhetheni nasekukhiqizeni izinto ezifanele ze-RF PCB ukuze zisebenze kahle futhi zithembeke. Xhumana nathi ukuze uxoxe ngephrojekthi yakho ye-RF noma ye-microwave PCB futhi uhlole ukuthi ubuchwepheshe bethu bokukhiqiza bungathuthukisa kanjani umklamo wakho olandelayo wamafrikhwensi aphezulu.