Yintoni iRogers PCB?
Ukusuka kwigama layo, singayazi ngokulula into ebhekisa kuyo. Njengoko bekutshiwo ngaphambili, iiRogers PCB ziiPCB ezenziwe ngezinto zikaRogers. Ezona ntlobo zezinto ezisetyenziswa kakhulu zezi: Rogers 4350B, Rogers 4003C kunye neRogers 3003.
Luhlobo luni lweebhodi zesekethe zeRogers ezifanelekileyo kwizicelo ezisetyenziswa rhoqo?
Inkampani iRogers yinkampani ehamba phambili kwihlabathi liphela yokuvelisa izixhobo zePCB ezisebenza kakuhle ezisetyenziswa kwiibhodi zesekethe eziprintiweyo ze-microwave kunye ne-RF. Ngoko ke, phantse zonke iintlobo zeebhodi zesekethe eziprintiweyo zeRogers zifanelekile kwizicelo ze-frequency ephezulu.
Xa kufikwa ekusetyenzisweni kwee-PCB kwiindawo ezifumileyo kakhulu, ungacebisa ntoni?
Izixhobo zePCB ezifunxa umswakama omncinci zihlala zicetyiswa xa kufikwa ekusebenziseni iiPCB kwiindawo ezinomswakama ophezulu, njengeRogers PCB. Izixhobo zeRogers zinokujamelana nezi meko kwaye zibe nethuba lokumelana neekhemikhali, umswakama, kunye nobushushu obuphezulu kwaye zinamandla amakhulu okuxobuka, okuvumela iibhodi zesekethe ezisebenza rhoqo ukuba zisebenze ngamandla.
Zithini iibhodi zesekethe zeRogers FR4?
Iibhodi zeRogers FR4 ziibhodi zesekethe eziprintiweyo eziveliswa zizinto zeRogers kunye nezinto zeFR4. Ngokwesiqhelo, zingaba zii-PCB ze-mutilayer ezinee-layers zeRogers. Ii-RO4350B, RO4003C kunye neRogers3003 zisetyenziswa kakhulu kolu hlobo lweesekethe.
Ngaba iibhodi zesekethe eziprintiweyo zikaRogers zingcono kuneebhodi zesekethe ze-FR4?
Kunzima ukutsho ukuba yeyiphi engcono. Kuxhomekeke kwizicelo. Kwizixhobo ze-microwave kunye ne-RF, iibhodi zesekethe eziprintiweyo zeRogers ngokuqinisekileyo zingcono. Kodwa izinto ze-FR4 nazo zinezibonelelo zazo ezifana nokuthembeka kunye nexabiso eliphantsi.
Luhlobo luni lwezinto ozifunayo zokwenza iibhodi zesekethe eziprintiweyo?
Iintlobo ngeentlobo zezinto ezisetyenziswayo ngokweemfuno ezahlukeneyo zeePCB zokwenza. Umzekelo, izinto ze-FR-4 zezona zinto zisetyenziswa kakhulu kwiiPCB eziqhelekileyo ngelixa izinto zeRogers ezifana neRogers 4350 kunye neRogers 4003 zifuneka kwiiPCB ezisebenza rhoqo.
Ngaba ninika amaxesha okutshintsha ngokukhawuleza iibhodi zesekethe eziprintiweyo ezenziwe ngezinto zikaRogers?
Ewe, singakunika iRogers PCB ekhawulezayo. Siza kuzama konke okusemandleni ethu ukuhlangabezana neemfuno zakho kwaye sinikeze iimveliso zeRogers PCB njengoko ufuna. Sisoloko sinesitokhwe seRogers RO4350B kunye neRogers RO4003C.
Ngaba iiRoger PCB zifanelekile kwizicelo zasemajukujukwini?
Ewe, ii-PCB zeRogers zifanelekile kwi-microwave yangaphakathi kunye nokusetyenziswa kwe-RF, kwaye izinto zeRogers zezona zibalaseleyo kweli candelo.
Ziziphi ezinye zeentlobo zefoyile xa kufikwa kwiingubo zesinyithi zeRogers PCB?
Ifakwe kwi-electrode
Iqengqiwe
Ifoyile yokuthintela
Isigqubuthelo sesinyithi esifakwe nge-electrode esifakwe kwi-pickle/esiphathwe nge-percent
Ngaba uyayilungiselela iibhodi zesekethe eziprintiweyo zeRogers ezenziwe ngokwezifiso?
Ewe, singakunika ii-PCB zeRogers ezenziwe ngokwezifiso ngokweemfuno zakho. Iintlobo zezinto ezisetyenziswa kakhulu yi-RO4350B, RO4003C kunye ne-RO3003. Nceda uzive ukhululekile ukusebenza nathi. Siza kukunika iimveliso ezikumgangatho ophezulu ngamaxabiso afanelekileyo. Silangazelela ukukunika inkonzo!
Zeziphi ezinye izinto ezahlukeneyo phakathi kwezinto zeRogers RO4000 kunye neRO3000?
Uthotho lwe-RO4000 lubonelela ngokusebenza okuphezulu kodwa ngexabiso eliphezulu kune-RO3000 series. Umahluko ophambili:
I-RO4000 ine-dielectric constant ephantsi ukuze iphendule ngcono kwi-frequency ephezulu.
I-RO4000 inelahleko ephantsi ukuze kubekho ukuthembeka okuphezulu kwesiginali.
I-RO4000 inolawulo olungcono lwe-impedance kunye nokuhambelana.
Uthotho lwe-RO3000 lulungiselelwe iindleko ezingaphezulu kwizicelo zorhwebo.
I-RO4000 inikezela ngeendlela eziphezulu zokuqhuba ubushushu.
I-RO4000 ine-z-axis CTE encinci ukuze ithembeke ngakumbi.
Ukuphepha njani ukuphazamiseka kwe-frequency ephezulu kwi-PCB?
Izixhobo ezisebenzisa i-frequency ephezulu kufuneka zibekwe ngendlela yokuba zibe nemigca emifutshane kangangoko. Ii-capacitor ezidibanisa (okanye ezidlulayo) kufuneka zibekwe kufutshane kangangoko kwiphini nganye yamandla yezixhobo ezisebenzayo, ngaloo ndlela kuncitshiswe ukujika kwamandla ngexesha lokutshintsha kwesignali, kwaye kuthintelwe ukubuyela emhlabeni.
Yintoni i-PCB eQhelekileyo kakhulu?
I-PCB esetyenziswa rhoqo kakhulu luhlobo lwe-PCB eyenzelwe ngokukodwa ukusebenza nemiqondiso ye-frequency ephezulu kuluhlu oluqala kwi-1 GHz nangaphezulu. Yenziwe ngezinto ze-frequency ephezulu, kwaye isetyenziswa kwizixhobo ezininzi ezifuna ukuhanjiswa kwesignali ekhawulezayo, ethembekileyo, esebenzayo nenganciphisi kakhulu ene-insulation yombane engaguqukiyo. Ngokubanzi, ii-PCB ezisetyenziswa rhoqo kakhulu zimele indawo yophuhliso kubuchwepheshe bonxibelelwano banamhlanje obufana ne-5G, unxibelelwano olungenazingcingo (i-WIFI), iinkqubo zeradar, ii-frequency zerediyo ze-microwave, iinkqubo zesathelayithi, kunye nezinye izixhobo ze-elektroniki eziphambili kakhulu kwicandelo lezonyango nelomkhosi.
Yintoni i-PCB esetyenziswa rhoqo kunye neenzuzo kunye nezicelo zayo?
Ii-HF PCB zichazwa yi-lower dielectric constant (Dk), i-lower dissipation factor (Df), kunye namanqanaba aphantsi okwanda kobushushu. Zisetyenziswa rhoqo kwitekhnoloji ye-HDI. Zikwasetyenziswa kakhulu kunxibelelwano olukhawulezayo, unxibelelwano, kunye netekhnoloji ye-RF microwave.
Ungayithintela njani isignali ye-high-frequency ukuba ingabangela iingxaki kwi-PCB yakho?
Iindlela ezifana neeplani eziqhekekileyo, ii-vias zokuthunga, kunye ne-star grounding zingasetyenziswa ukunciphisa imijikelo yomhlaba nokuqinisekisa iindlela ezifanelekileyo zokubuyela kwesignali. Ngokwenza iiplani zomhlaba eziqinileyo nezingenamqobo uphantsi, abayili banokunciphisa ingxolo ngempumelelo kwaye baphucule ukusebenza kweesekethe ezisebenzisa amaza aphezulu.
Uyigcina njani ingqibelelo yesiginali kwi-PCB?
Umthetho olula kukuhambisa iileya ezilandelelanayo kwiikona zasekunene. Ukusebenzisa iiplani zomhlaba ukwahlula iileya ezibuthathaka kukwayindlela elungileyo yokugcina ukuthembeka kwesignali. Ingxolo yombane yeyona nto ibalulekileyo ekufuneka uyiqwalasele kwaye ifuna uyilo olucokisekileyo.
Ziziphi izicelo eziqhelekileyo zeRogers PCB?
Ii-antenna ze-staton ze-microwave eouioment celllar base kunye nee-ampifers zamandla, ii-inks ze-P2P ze-microwave pointio-point, ii-radar ze-automotwe kunye nee-sensors radio freguenc: identification (RFlD) tags, ii-LNB zeesathelayithi ezisasazwa bukhoma.
Ndizikhetha njani izinto zeRF PCB?
Xa sizama ukukhetha izinto ze-RF PCB, eyona nto ibalulekileyo kukuqinisekisa ukuba i-dielectric constant (DK) kunye ne-dissipation factor (DF) yezinto zinokuhlangabezana neemfuno ze-electromagnetic frequency zezixhobo zakho. Kwakhona, kufuneka sikhethe izinto ezisetyenziswa kakhulu, ezifana neRogers RO4350B, RO4003C, Panasonic MEGRON 6, MEGTRON 7 njl.
Ndingaqala njani ngoyilo lwe-RF PCB?
Okokuqala kufuneka sazi umsebenzi kunye nokusetyenziswa kwezicelo zakho. Okwesibini, kufuneka siyile umzobo. Okwesithathu sivelisa iifayile zeGerber zokwenza i-PCB kunye noluhlu lwe-BOM lokuhlanganisa i-PCB. Okokugqibela, uhlalutyo olucokisekileyo lwezinto ze-RF PCB luyimfuneko, kwaye luya kunceda ukufumana izixhobo zethu zikumgangatho ophezulu kunye namaxabiso akhuphisanayo.
Ingakanani i-frequency ye-PCB?
Uluhlu lweefrikhwensi zePCB lunokwahluka ukusuka kwi-0HZ ukuya kwi-300GHZ. Sidla ngokuyibiza ngokuba yi-PCB ephindaphindayo kakhulu ukuba uluhlu lweefrikhwensi zezinto zePCB lungaphezulu kwe-30MHZ, kwaye uluhlu lweefrikhwensi ezingaphezu kwe-3GHZ luphezulu kakhulu.
Ngaba le nto yeyona nto ibalulekileyo kwi-RF PCB?
Ewe, kunjalo. Izinto ze-RF esizikhethileyo ziya kuyichaphazela kakhulu indlela esebenza ngayo i-RF PCB yethu kwizicelo zethu. Kwakhona, umahluko weendleko mkhulu kakhulu kwiintlobo ezahlukeneyo zezinto ze-RF. Ke ngoko, kufuneka sisebenzise izinto ezingabizi kakhulu ukuhlangabezana neemfuno zethu kwi-electromagnetic frequency.
Yintoni umahluko phakathi kwe-RF PCB kunye ne-PCB eqhelekileyo?
I-RF PCB kufuneka yenziwe ngezinto ezisetyenziswa rhoqo ukuze ihlangabezane neemfuno zokudluliselwa kwesignali. Kodwa i-PCB eqhelekileyo yenziwe ngezinto eziqhelekileyo ze-FR4 ukuze ihlangabezane nemisebenzi ye-elektroniki emva kokuhlanganiswa kwe-PCB.
Yintoni umahluko phakathi kwe-RF kunye ne-microwave?
I-RF imfutshane kakhulu kwi-radio frequency. Zombini i-RF kunye ne-microwave zimfutshane kakhulu kwi-wave electromagnetic frequency kwaye zikwaphezulu kakhulu. Umahluko omkhulu phakathi kwe-RF kunye ne-microwave luluhlu lwe-frequency. I-RF isusela kwi-30MHZ ukuya kwi-300GHZ, kwaye i-microwave isusela kwi-1GHZ ukuya kwi-100GHZ.
Yeyiphi i-RF PCB stackup efanelekileyo?
I-RF PCB stackup efanelekileyo isoloko ine-microwave enye kunye ne-RF dielectric, efana neRogers RO4350, RO4003, RO3003, njl. Umzekelo, i-RF PCB stackup enamaleya ama-4 ingaba: umaleko 1 kunye nomaleko 2 yi-R04350, umaleko 2 kunye nomaleko 3 yi-FR4, kwaye umaleko 3 kunye nomaleko 4 yi-RO4350.
Luhlobo luni lovavanyo olufunekayo kwii-PCB ezisebenzisa amaxesha amaninzi?
Iindlela zovavanyo ezifunekayo kwii-PCB ezisebenzisa amaxesha amaninzi zezi zilandelayo.
1. Uvavanyo loMbane lwe-Open and Short
2. Uhlolo lwe-Optical oluzenzekelayo
3. Uvavanyo lwe-TDR impedance
4. Uvavanyo Lokusebenza
5. Uvavanyo lokuthengiseka
6. Uvavanyo lobushushu
7. Uvavanyo lweTape kwiSolder Maks
8. Uvavanyo lwe-Peel lwabaQhubi