Umkhiqizi we-PCB we-Taconic TLX-8 waseShayina | Ukwenziwa Kwe-PTFE Ngokwezifiso

Lapho behlela ukuhlelwa kwama-antenna e-phased array, i-aerospace telemetry, kanye nezinhlelo ze-radar ze-microwave, onjiniyela bacacisa ama-laminate e-PTFE aqiniswe ngengilazi ukuze banciphise ukulahleka kwe-dielectric. I-Taconic TLX-8 iyindawo eyinhloko yalezi zinhlelo zokusebenza, enikeza ukuzinza komshini kuhlanganiswe nezici zokulahlekelwa okuphansi kakhulu kwe-Teflon.

Kodwa-ke, ukuguqula umklamo we-microwave we-Dk 2.55 kusuka ekulingiseni kwesofthiwe uye ebhodini elingokoqobo kudinga ukuzulazula ezinkingeni ezinkulu zamakhemikhali nezemishini. Ngenxa yokuthi ama-substrate e-PTFE ayaziwa ngokuchasana nemigqa yamakhemikhali ejwayelekile yefektri, ukuthumela amafayela e-Gerber ngaphandle kokucatshangelwa okuqinile kwe-Design for Manufacturability (DFM) kuzoholela ekuncipheni nasekubekeni izikhala. Njengomkhiqizi we-PCB we-China Taconic TLX-8 onolwazi , i-Highleap Electronics ihlanganise lo msebenzi wobuchwepheshe. Buyekeza la maqiniso ayisishiyagalombili abalulekile okukhiqiza ngaphambi kokuthumela iphrojekthi yakho ukuqinisekisa impumelelo yokuqala.

Cela Isilinganiso Sokwenziwa Kwe-Taconic TLX-8 PCB

Imininingwane yeBhodi Yesekethe Ephrintiwe Nge-Microwave ye-TLX-8

Ngaphambi kokubala ububanzi bokulandelela, amaqembu ehadiwe kumele ahlele imingcele ebonakalayo yezinto ezibonakalayo. Lapho beklama ibhodi lesekethe eliphrintiwe nge-microwave le-TLX-8, izakhiwo zemishini zinquma ukuthembeka kwesikhathi eside njengoba kunjalo nangemininingwane kagesi. Ngokuhlola ukukhethwa kwethu kwezinto ze-PCB laminate , onjiniyela babeka phambili i-TLX-8 ngezilinganiso ezintathu ezibalulekile zokuqala:

• I-Dk ne-Df Ezinzile: I-dielectric constant ilawulwa ngokuqinile ku-2.55 ± 0.04, kanti i-dissipation factor ingu-0.0019 (ku-10 GHz). Lokhu kuqinisekisa ukuhambisana okuqhubekayo kwama-ohm angu-50 kuzo zonke izindawo zokukhiqiza ezahlukene.
• Ukumelana Nomswakama: Izinga eliphansi kakhulu lokumuncwa komswakama elingu-0.02% lisusa ingozi yokushintsha kwe-impedance ezindaweni zokuvala i-antenna zangaphandle ezinomswakama ophezulu.
• I-Z-Axis CTE: I-fiberglass elukiwe iqinisa i-PTFE, igcina ukwanda kokushisa kwe-Z-axis kuseduze nethusi (24 ppm/°C). Lokhu kuvimbela ama-plated through-holes (PTH) ukuthi angaqhekeki ngesikhathi sokushaqeka kokushisa.

Ukuqopha Ukulandelela ku-TLX-8 Low Loss Board Fabrication

Ekwenziweni kwebhodi lokulahlekelwa eliphansi le-TLX-8, i-dielectric constant ephansi isho ukuthi ama-RF traces akho azoba banzi ngokwemvelo kunalawo aku-FR-4 ejwayelekile ukuze afinyelele imigomo efanayo ye-impedance. Kodwa-ke, inqubo yokuqopha ku-PTFE ethambile idinga ukunemba okukhulu.

Sikweluleka kakhulu ukusebenzisa ithusi elingu-0.5 oz noma i-1 oz ezingqimbeni zakho ze-RF. Ungasho ithusi elingu-2 oz. Ukuqopha ithusi elisindayo kudinga ukuvezwa kwamakhemikhali isikhathi eside, okunciphisa izindonga zomkhondo, kudala iphrofayili ye-trapezoidal, futhi kubhubhise izinhloso zakho ze-impedance yamagagasi angamamilimitha. I-Highleap isebenzisa i-Laser Direct Imaging (LDI) ukuze ibambe ngokuqinile ukubekezelelana kobubanzi bomkhondo, iqinisekise ukuhambisana okuqondile nesofthiwe yakho yokulingisa ye-HFSS.

Izinselele Zokukhiqiza ze-Taconic TLX-8 PTFE PCB (Ukucwila Okujulile)

Lokhu kuyisithiyo esikhulu ekukhiqizweni kwamabhodi e-microwave futhi isizathu esiyinhloko esenza ukuthi amabhodi ajwayelekile ahluleke ekwakheni ama-laminate asekelwe ku-Teflon. Izakhiwo zamakhemikhali eziqondile ezinikeza i-Taconic TLX-8 ukusebenza kwayo kukagesi okumangalisayo okuphansi futhi zenza ukuthi ingasebenzi kahle ngamakhemikhali futhi ingabi manzi.

Inkinga Yokugoqa I-Fluoropolymer

Ekwenziweni okujwayelekile, ngemva kokubhobozwa kwe-via, ifakwa ebhavini le-alkaline permanganate ukuze kuhlanzwe i-resin smear ngaphambi kokuba kufakwe ithusi eliwuketshezi. Uma ifektri izama lokhu ku-Taconic TLX-8 PTFE PCB eyenziwe ngokwezifiso, isixazululo se-liquid copper plating sizophakama futhi sigoqeke ngokuphelele odongeni lwembobo ye-Teflon. Izibopho ze-carbon-fluorine ku-PTFE matrix zixosha uketshezi ngokuphelele. Ngaphandle kokungenelela, lokhu kuholela ezimbotsheni ezinkulu ze-plating. Lapho ibhodi kamuva lidlula kuhhavini we-SMT reflow, umswakama ovalelekile kulezi zimbotshana uzophuma ngokushesha ngegesi, uvunguze noma yikuphi ukugobhoza kwethusi okubuthakathaka ngqo odongeni lwe-via.

Inqubo Emanzi: Ukuqopha i-Sodium Naphthalene

Ukuze siphumelele ekwenzeni lezi zi-vias zibe yinsimbi, kumele senze inqubo eyinkimbinkimbi yokwenza i-fluoropolymer isebenze. Indlela ethembekile kakhulu yokwenza inqubo yokumanzisa i-sodium naphthalene eqoshiwe. Iphaneli ye-PCB ebholiwe ifakwa ku-sodium complex esabela kakhulu. I-sodium isebenza njenge-ejenti yokunciphisa enamandla, idabula ama-athomu e-fluorine emzimbeni kusukela emgogodleni we-carbon. Lokhu kushiya ukuthungwa kwesiponji okune-carbon encane kakhulu, okunomoya omningi. Lapho ibhodi lingena emgqeni wethusi ongena-electro, i-palladium catalyst ibambelela ngokuphephile kule layer eguquliwe.

Inqubo Yokomisa: I-Vacuum Plasma Desmear

Kumadizayini okuxhumana okuphezulu noma ama-microvia lapho uketshezi lwe-sodium oluqinile lungenakungena khona, sisebenzisa amakamelo e-vacuum plasma. Ngokufaka i-ion kungxube ye-Helium, i-Oxygen, kanye namagesi e-CF4 ngamandla e-RF, i-plasma ephumayo ihlasela ngokomzimba futhi inciphise ubuso be-PTFE obungenawo amandla, iqinisekisa i-IPC Class 3 ngokuthembeka.

Ukulinganisa Okulinganayo Kwabenzi Bebhodi Yesekethe ye-Taconic TLX-8

Naphezu kokuqina kwe-fiberglass, i-PTFE iyi-polymer ethambile egcina ukucindezeleka kwangaphakathi komshini kusukela enkambisweni yokulamina eluhlaza. Ngesikhathi sokwenziwa kwebhodi elingenalutho elinezingqimba eziningi , lapho sisusa izindiza zethusi, lokhu kucindezeleka kuyakhishwa, okwenza ukuthi izinto zinwebeke noma zinciphe nge-microscopically.

Uma kungakhokhelwa, ama-layer pad angaphakathi azohambisana kahle nama-drill hits e-CNC. Noma yimuphi umenzi webhodi lesifunda le-Taconic TLX-8 othembekile kumele axazulule lokhu ngokusebenzisa amaphaneli okuhlola okukala "isihloko sokuqala". Onjiniyela bethu be-CAM babala izici eziqondile zokulinganisa ukukala ze-X/Y bese bezisebenzisa kudatha yakho ye-Gerber ngaphambi kokuthwebula izithombe, okuqinisekisa ukubhaliswa okuphelele kokulayela kuya kokulayela.

Ama-Stackups e-Hybrid: Ukwehlisa Isilinganiso Sakho Sokwenziwa kwe-Taconic TLX-8 PCB

Ukusebenzisa i-TLX-8 ebhodini eligcwele izingqimba ezingu-8 kuvame ukudicilela phansi isabelomali sakho sokuthenga. Amamojula amaningi e-RF anamuhla adinga ukuhanjiswa kwe-microwave ezingqimbeni zangaphandle, nge-logic yedijithali namandla ngaphakathi.

Ukuze uthuthukise isilinganiso sakho sokwenziwa kwe-Taconic TLX-8 PCB, sincoma kakhulu ama-stackup e-hybrid angalingani. Sisebenzisa i-TLX-8 ezingqimbeni zangaphandle futhi siyicindezela kanye ne-FR-4 engabizi kakhulu, ephezulu (njenge-Isola 370HR) ezingqimbeni zangaphakathi zedijithali. Ngokusebenzisa izindlela zokupheka ze-thermal press ezenziwe ngokwezifiso kakhulu, siphumelela ukwelapha lezi zinto ezingafani ngaphandle kokudala i-warpage engalingani (umphumela we-potato-chip).

Ukuqeda Okungaphezulu Okuvela Kumhlinzeki We-Taconic TLX-8 Antenna PCB

Ukuphela kobuso obuchazayo kuthinta ngqo ukulahlekelwa kokufakwa ngenxa yomphumela wesikhumba kuma-microwave frequency. Njengomhlinzeki we-PCB we-antenna we-Taconic TLX-8 ohamba phambili, sincoma kakhulu i-Immersion Silver noma i-ENEPIG (Electroless Nickel Electroless Palladium Immersion Gold).

I-Immersion Silver inikeza ukulahlekelwa okuphansi kakhulu kokufakwa kwezindlela ze-RF ezivamise kakhulu, kuyilapho i-ENEPIG inikeza amaphedi ayisicaba ngokuphelele okubopha ucingo olungenalutho. Gwema i-HASL ngokuphelele, njengoba i-topography ye-solder engalingani izophazamisa kakhulu amasignali akho avamise kakhulu.

Izikhathi Zokuhola Zesibonelo Se-Taconic TLX-8 Microwave PCB

Ngenxa yokuthi i-PTFE idinga i-plasma desmear ekhethekile kanye nokulinganisa okunembile, izikhathi zokuhola zinde ngokwemvelo kune-FR-4 ejwayelekile. Uma uthumela amafayela akho e-Gerber ukuze uthole i-prototype ye-Taconic TLX-8 microwave PCB, umnyango wethu we-CAM wenza ukuhlolwa okuqinile kwe-DFM.

Sibheka ububanzi bakho bokulandelela ngokuqhathanisa nokubekezelelana kwethu okuthuthukisiwe kwe-PCB etching. Ngokusebenzisa i-Polar Instruments, siqinisekisa ukubalwa kwakho kwe-impedance yomehluko engu-50-ohm kanye ne-100-ohm engu-100 ohm, siqinisekisa ukuthi ibhodi elibonakalayo lizosebenza njengoba lilinganisiwe ngaphambi kokuba iphaneli elilodwa lisikwe.

I-Turnkey PCBA evela ku-Taconic TLX-8 RF PCB Factory

Ama-laminate e-Teflon asengozini enkulu yokuklwebheka phezulu kanye nomonakalo wokuphatha. Ukususa ibhodi le-RF elingenalutho kusuka kumkhiqizi kuya endlini yokuhlangana ehlukile yomuntu wesithathu kuletha izingozi ezinkulu zokuthutha. Ukuklwebheka okukodwa ku-trace ebalulekile ye-RF kushintsha i-impedance, kubhubhise ibhodi.

Ukuze kuqedwe ukukhombana ngomunwe komhlinzeki, i-Highleap Electronics isebenza njengefektri ephelele ye-Taconic TLX-8 RF PCB. Sishintsha kalula iphrojekthi yakho kusuka emigqeni yethu yokucubungula emanzi iye ngqo esikhungweni sethu sokukhiqiza se-PCBA sezinga lezindiza . Ngokugcina iphrojekthi yakho ngaphansi kophahla olulodwa, sigcina izilawuli eziqinile zemvelo futhi sisebenzisa i-3D X-Ray (AXI) ukuqinisekisa ukusekelwa kokushisa okungenasici ngaphansi kwama-transceivers e-RF anamandla aphezulu. Xhumana nonjiniyela bethu namuhla ukuze uqalise iphrojekthi yakho elandelayo ye-microwave.