Iyini iRogers PCB?
Kusukela egameni layo, singazi kalula ukuthi ibhekisela kuphi. Njengoba kushiwo ngaphambili, ama-Rogers PCB angama-PCB enziwe ngezinto zikaRogers. Izinhlobo zezinto ezisetshenziswa kakhulu yilezi: iRogers 4350B, iRogers 4003C kanye neRogers 3003.
Hlobo luni lwamabhodi wesifunda eRogers afanelekela izinhlelo zokusebenza ezivame kakhulu?
Inkampani iRogers Company ingumkhiqizi ohamba phambili emhlabeni wezinto ze-PCB ezisebenza kahle ezisetshenziswa kumabhodi wesekethe aphrintiwe nge-microwave kanye ne-RF. Ngakho-ke, cishe zonke izinhlobo zamabhodi wesekethe aphrintiwe nge-Rogers zifanelekela ukusetshenziswa kwemvamisa ephezulu.
Uma kukhulunywa ngokusetshenziswa kwama-PCB ezindaweni ezinomswakama ophezulu, yini ongayincoma?
Izinto ze-PCB ezimunca umswakama omncane zihlala zinconywa uma kukhulunywa ngokusebenzisa ama-PCB ezindaweni ezinomswakama ophezulu, njenge-Rogers PCB. Izinto ze-Rogers zingabhekana nezimo ezinjalo futhi zibe nenzuzo yokumelana namakhemikhali, umswakama, kanye nokushisa okuphezulu futhi zibe namandla amakhulu okuxebuka, okuvumela amabhodi wesekethe asebenza kahle kakhulu ukuthi asebenze kahle.
Iyini amabhodi wesekethe kaRogers FR4?
Amabhodi e-Rogers FR4 angamabhodi wesekethe aphrintiwe akhiqizwa yizinto zikaRogers kanye nezinto ze-FR4. Ngokuvamile, kungaba ama-PCB e-mutilayer anezinto zikaRogers ezingqimbeni ezingaphandle. Ama-RO4350B, RO4003C kanye ne-Rogers3003 avame ukusetshenziswa kulolu hlobo lwezisekethe.
Ingabe amabhodi wesekethe aphrintiwe kaRogers angcono kunebhodi yesekethe ye-FR4?
Kunzima ukusho ukuthi iyiphi engcono. Kuya ngezinhlelo zokusebenza. Kumadivayisi e-microwave kanye ne-RF, amabhodi wesekethe aphrintiwe kaRogers angcono kakhulu. Kodwa izinto ze-FR4 nazo zinezinzuzo zazo njengokuthembeka kanye nezindleko eziphansi.
Hlobo luni lwezinto ozithengayo zokukhiqiza amabhodi wesekethe aphrintiwe?
Izinhlobo ezahlukene zezinto zokwakha zisetshenziswa ngokwezidingo ezahlukene zama-PCB okukhiqiza. Isibonelo, izinto ze-FR-4 ziyizinto ezisetshenziswa kakhulu kuma-PCB avamile kuyilapho izinto ze-Rogers ezifana ne-Rogers 4350 kanye ne-Rogers 4003 zidingeka kuma-PCB asebenza kakhulu.
Ingabe ninikeza izikhathi zokushintsha okusheshayo kwamabhodi wesekethe aphrintiwe akhiqizwe ngezinto zikaRogers?
Yebo, singakunikeza iRogers PCB esheshayo. Sizozama konke okusemandleni ethu ukuhlangabezana nezidingo zakho futhi sinikeze imikhiqizo yeRogers PCB njengoba udinga. Sihlala sinenani elithile leRogers RO4350B kanye neRogers RO4003C esitokweni.
Ingabe ama-Roger PCB afanele ukusetshenziswa kwesikhala?
Yebo, ama-Rogers PCB afaneleka ukusetshenziswa kwe-microwave yesikhala kanye ne-RF, futhi izinto zikaRogers zingenye yezingcono kakhulu kule ndawo.
Yiziphi ezinye zezinhlobo ze-foil uma kukhulunywa nge-claddings yensimbi ye-Rogers PCB?
Kufakwe i-electrode
Kugoqwe
I-foil evikelayo
Isimbozo sensimbi esifakwe ngogesi esifakwe ngosawoti/esiphathwe ngogesi
Ingabe uyawanakekela amabhodi wesekethe aphrintiwe ngokwezifiso e-Rogers?
Yebo, singakunikeza ama-PCB e-Rogers ngokwezifiso ngokwezidingo zakho. Izinhlobo zezinto ezisetshenziswa kakhulu yi-RO4350B, RO4003C kanye ne-RO3003. Sicela uzizwe ukhululekile ukusebenza nathi. Sizokunikeza imikhiqizo esezingeni eliphezulu ngamanani afanele. Silangazelela ukukukhonza!
Yimiphi eminye yemimehluko ebalulekile phakathi kwezinto zochungechunge lweRogers RO4000 kanye neRO3000?
Uchungechunge lwe-RO4000 lunikeza ukusebenza okuphezulu kodwa ngentengo ephezulu kakhulu kunochungechunge lwe-RO3000. Umehluko obalulekile:
I-RO4000 ine-dielectric constant ephansi ukuze iphendule kangcono imvamisa ephezulu.
I-RO4000 inokulahlekelwa okuphansi kokuthembeka kwesiginali okuhle kakhulu.
I-RO4000 inezici zokulawula okungcono kwe-impedance kanye nokungaguquguquki.
Uchungechunge lwe-RO3000 lungcono kakhulu ekusetshenzisweni kwezentengiselwano.
I-RO4000 inikeza izinketho zokuqhuba ukushisa okuphezulu.
I-RO4000 ine-CTE encane ye-z-axis ukuze kuqinisekiswe ukuthembeka.
Ukugwema kanjani ukuphazamiseka kwemvamisa ephezulu ku-PCB?
Izingxenye ezisebenzisa imvamisa ephezulu kufanele zibekwe ngendlela yokuthi zibe nemikhondo emifushane ngangokunokwenzeka. Ama-capacitor ahlukanisayo (noma adlulayo) kufanele abekwe eduze ngangokunokwenzeka nephini ngayinye yamandla yezingxenye ezisebenzayo, ngaleyo ndlela kuncishiswe ukujiya kwamanje ngesikhathi sokushintsha kwesignali, futhi kugwenywe ukubuyela phansi.
Iyini i-High Frequency PCB?
I-PCB evamise ukuba khona imvamisa ephezulu uhlobo lwe-PCB oluklanyelwe ngqo ukusebenza nezimpawu zemvamisa ephezulu ebangeni eliqala ku-1 GHz nangaphezulu. Yenziwe ngezinto zemvamisa ephezulu, futhi isetshenziswa kumadivayisi amaningi adinga ukudluliswa kwesignali okusheshayo, okuthembekile, okusebenzayo nokunganciphisi kahle okunokufakwa kukagesi okuqhubekayo. Ngokuvamile, ama-PCB evamise ukuba khona amelela iphuzu lokuthuthuka kobuchwepheshe besimanje bokuxhumana njenge-5G, ukuxhumana okungenantambo (i-WIFI), izinhlelo ze-radar, amaza omsakazo we-microwave, izinhlelo zesathelayithi, kanye namanye amadivayisi kagesi athuthuke kakhulu emikhakheni yezokwelapha neyezempi.
Iyini i-PCB evame kakhulu kanye nezinzuzo zayo kanye nezinhlelo zokusebenza?
Ama-HF PCB achazwa yi-lower dielectric constant (Dk), i-lower dissipation factor (Df), kanye namazinga aphansi okwanda kokushisa. Asetshenziswa njalo kubuchwepheshe be-HDI. Asetshenziswa kakhulu nasekuxhumaneni ngesivinini esikhulu, ezokuxhumana, kanye nobuchwepheshe be-RF microwave.
Ungakuvimbela kanjani isignali yemvamisa ephezulu ukuthi ingabangeli izinkinga ku-PCB yakho?
Amasu afana nezindiza ezihlukanisiwe, ama-via okuthunga, kanye ne-star grounding angasetshenziswa ukunciphisa izihibe zomhlabathi nokuqinisekisa izindlela ezifanele zokubuyisa isignali. Ngokudala izindiza zomhlabathi eziqinile nezingenawo umoya oqinile, abaklami banganciphisa ngempumelelo umsindo futhi bathuthukise ukusebenza kwezifunda ezisebenzisa imvamisa ephezulu.
Ugcina kanjani ubuqotho besiginali ku-PCB?
Umthetho olula uwukuqondisa izendlalelo ezilandelanayo ngama-engeli angakwesokudla komunye nomunye. Ukusebenzisa izindiza zomhlabathi ukuhlukanisa izendlalelo ezizwelayo nakho kuyindlela enhle yokugcina ubuqotho besiginali. Umsindo wokunikezwa kwamandla uyinto ebalulekile okufanele icatshangelwe futhi idinga ukwakheka ngokucophelela.
Yiziphi izinhlelo zokusebenza ezijwayelekile zeRogers PCB?
Ama-antenna e-staton e-microwave eouioment celllar base kanye nama-ampifers anamandla, ama-ink e-P2P e-microwave pointio-point, ama-radar e-automotwe kanye nama-sensors radio freguenc: identification (RFlD) tags, ama-LNB amasathelayithi asakazwa bukhoma.
Ngizikhetha kanjani izinto ze-RF PCB?
Uma sizama ukukhetha izinto ze-RF PCB, into ebaluleke kakhulu ukuqinisekisa ukuthi i-dielectric constant (DK) kanye ne-dissipation factor (DF) yezinto zingahlangabezana nezidingo zemvamisa ye-electromagnetic yamadivayisi akho. Futhi, kufanele sikhethe izinto ezisetshenziswa kakhulu, njengeRogers RO4350B, RO4003C, Panasonic MEGRON 6, MEGTRON 7 njll.
Ngingaqala kanjani ngomklamo we-RF PCB?
Okokuqala sidinga ukwazi umsebenzi kanye nokusetshenziswa kwezinhlelo zakho zokusebenza. Okwesibili, sidinga ukuklama umdwebo. Okwesithathu sikhiqiza amafayela e-Gerber okwenziwa kwe-PCB kanye nohlu lwe-BOM lokuhlanganiswa kwe-PCB. Okokugcina, ukuhlaziywa okujulile kwezinto ze-RF PCB kuyimfuneko, futhi kuzosiza ukuthola amadivayisi ethu ngekhwalithi ephezulu kanye namanani ancintisanayo.
Iyini ibanga lemvamisa ye-PCB?
Ububanzi bemvamisa ye-PCB bungasukela ku-0HZ kuya ngaphezu kuka-300GHZ. Sivame ukuyibiza ngokuthi i-PCB enemvamisa ephezulu uma ububanzi bemvamisa yezinto ze-PCB bukhulu kuno-30MHZ, kanti ububanzi bemvamisa engaphezu kuka-3GHZ buyimvamisa ephezulu kakhulu.
Ingabe izinto zokwakha ziyisici esibaluleke kakhulu se-RF PCB?
Yebo, kunjalo. Izinto ze-RF esizikhethile zizothinta kakhulu umsebenzi we-RF PCB yethu ezinhlelweni zethu zokusebenza. Futhi, umehluko wezindleko mkhulu kakhulu ezinhlotsheni ezahlukene zezinto ze-RF. Ngakho-ke, kufanele sisebenzise izinto ezingabizi kakhulu ukuhlangabezana nezidingo zethu kumaza kagesi.
Uyini umehluko phakathi kwe-RF PCB ne-PCB evamile?
I-RF PCB kumele yenziwe ngezinto ezivame kakhulu ukuze ihlangabezane nezidingo zokudlulisa isignali. Kodwa i-PCB ejwayelekile yenziwe ngezinto ezijwayelekile ze-FR4 ukuze ihlangabezane nemisebenzi ye-elekthronikhi ngemva kokuhlanganiswa kwe-PCB.
Uyini umehluko phakathi kwe-RF ne-microwave?
I-RF imfushane nge-radio frequency. Kokubili i-RF ne-microwave zimfushane kakhulu nge-wave electromagnetic frequency kanye ne-high frequency. Umehluko omkhulu phakathi kwe-RF ne-microwave ububanzi bemvamisa. I-RF isukela ku-30MHZ kuya ku-300GHZ, kanye ne-microwave isukela ku-1GHZ kuya ku-100GHZ.
Iyini i-RF PCB stackup efanelekile?
I-RF PCB stackup ekahle ihlala iqukethe okungenani i-microwave eyodwa kanye ne-RF dielectric, njenge-Rogers RO4350, RO4003, RO3003, njll. Isibonelo, i-RF PCB stackup enezingqimba ezine ingaba: ungqimba 1 kanye nongqimba 2 kungu-R04350, ungqimba 2 kanye nongqimba 3 kungu-FR4, kanti ungqimba 3 kanye nongqimba 4 kungu-RO4350.
Hlobo luni lokuhlola oludingekayo kuma-PCB avame kakhulu?
Izindlela zokuhlola ezidingekayo kuma-PCB asebenza imvamisa ephezulu yilezi ezilandelayo.
1. Ukuhlolwa Kukagesi Kokuvula Nokufushane
2. Ukuhlolwa Okuzenzakalelayo Kokukhanya
3. Ukuhlolwa kwe-TDR impedance
4. Ukuhlolwa Kokusebenza
5. Ukuhlolwa kokuthengiselana
6. Ukuhlolwa Kokushisa
7. Ukuhlolwa Kwetheyiphu Yama-Solder Maks
8. Ukuhlolwa Kokuhluza Kwabaqhubi