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I-PTFE PCB enezingqimba ezi-2 ngokwezifiso

Isithombe esifakiwe se-PTFE PCB yangokwezifiso
  • I-PTFE PCB enezingqimba ezi-2 ngokwezifiso

Incazelo emfushane:

Amabhodi esekethe ephrintiwe e-PTFE asetshenziswa ezinhlelweni ezimbalwa zezimboni, ezentengiselwano, kanye nemishini ebalulekile.Okulandelayo izinhlelo ezimbalwa ezibalulekile ezisebenzisa iTeflon PCBs:

Izikhulisamandla

Amadivaysi eselula aphathwayo kanye nezinti ze-WIFI

I-Telematics kanye namadivayisi we-infotainment

Amasistimu e-radar ahlukahlukene

I-telemetry yokuqondisa komkhathi

I-Automotive cruise control

Izixazululo ezishisayo

Iziteshi ezingenantambo


Imininingwane Yomkhiqizo

Omaka bomkhiqizo

Ukucaciswa komkhiqizo:

I-Base Material: I-FR4 TG170
Ubukhulu be-PCB: 1.8+/-10%mm
Ukubalwa Kwesendlalelo: 8L
Ukuqina Kwethusi: 1/1/1/1/1/1/1/1/1 oz
Ukwelashwa kwendawo: ENIG 2U”
Imaski yeSolder: Okuluhlaza okucwebezelayo
Isikrini sikasilika: Emhlophe
Inqubo Ekhethekile Ukungcwatshwa nokungaboni

Imibuzo Evame Ukubuzwa

Q: Iyini i-PTFE PCB?

I-PTFE iyi-synthetic thermoplastic fluoropolymer futhi ingeyesibili esetshenziswa kakhulu i-PCB laminate impahla.Inikeza izakhiwo ze-dielectric ezingaguquki ekunwebeni kwe-coefficient ephezulu kune-FR4 evamile.

Q: Ingabe i-PTFE iphephile kuma-electronics?

I-lubricant ye-PTFE inikeza ukumelana nogesi okuphezulu.Lokhu kwenza ukuthi ikwazi ukusetshenziswa ezintambo zikagesi namabhodi esekethe.

Q: Yiziphi izinzuzo ze-PTFE PCB?

Kumafrikhwensi e-RF ne-Microwave, i-dielectric constant ye-standard FR-4 Material (approx. 4.5) ivamise ukuba phezulu kakhulu, okuholela ekulahlekeni kwesignali okuphawulekayo phakathi nokudluliswa kwe-PCB yonkana.Ngenhlanhla, izinto ze-PTFE ziziqhayisa ngamavelu angaguquki e-dielectric aphansi njengo-3.5 noma ngaphansi, okuwenza alungele ukunqoba imikhawulo yesivinini esikhulu se-FR-4.

Q: Ingabe i-PTFE ne-Teflon ziyefana?

Impendulo elula ukuthi ziyafana: I-Teflon™ yigama lomkhiqizo we-PTFE (Polytetrafluoroethylene) futhi yigama lophawu lokuhweba elisetshenziswa inkampani yakwaDu Pont kanye nezinkampani ezingaphansi kwayo (iKinetic eyaqala ukubhalisa uphawu lokuhweba & Chemours okungabanikazi bawo njengamanje. yona).

Q: Iyini i-dielectric constant ye-PTFE PCB?

Izinto ze-PTFE ziqhayisa ngamavelu angaguquki e-dielectric aphansi njengo-3.5 noma ngaphansi, okuwenza alungele ukunqoba imikhawulo yesivinini esikhulu se-FR-4.

Ngokuvamile, imvamisa ephezulu ingachazwa njengemvamisa engaphezu kwe-1GHz.Njengamanje, impahla ye-PTFE isetshenziswa kabanzi ekukhiqizeni i-PCB eyimvamisa ephezulu, ibizwa nangokuthi i-Teflon, okuyimvamisa eba ngaphezu kuka-5GHz.Ngaphandle kwalokho, i-FR4 noma i-PPO substrate ingasetshenziselwa imvamisa yomkhiqizo phakathi kwe-1GHz~10GHz.Lawa ma-substrates amathathu aphezulu anomehluko ongezansi:

Mayelana nezindleko ze-laminate ze-FR4, i-PPO ne-Teflon, i-FR4 iyona eshibhe kakhulu, kuyilapho i-Teflon ibiza kakhulu.Ngokuya nge-DK, DF, ukumuncwa kwamanzi kanye nesici sokuvama, iTeflon iyona ehamba phambili.Uma izinhlelo zokusebenza zomkhiqizo zidinga imvamisa engaphezu kuka-10GHz, singakhetha kuphela i-Teflon PCB substrate ukuthi yenziwe.Ukusebenza kwe-Teflon kungcono kakhulu kunamanye ama-substrate, Nokho, i-Teflon substrate inesimo esibi sezindleko eziphezulu kanye nempahla enkulu ekwazi ukumelana nokushisa.Ukuze kuthuthukiswe ukuqina kwe-PTFE nomsebenzi wempahla evimbela ukushisa, inombolo enkulu ye-SiO2 noma ingilazi ye-fiber njengento yokugcwalisa.Ngakolunye uhlangothi, ngenxa ye-molecule ye-inertia yezinto ze-PTFE, okungekho lula ukuhlanganisa ne-foil yethusi, ngakho-ke, idinga ukwenza ukwelashwa okukhethekile kwendawo ohlangothini lwenhlanganisela.Mayelana nokwelashwa okuhlanganisiwe kwendawo, ngokuvamile kusetshenziswa ukubotshwa kwamakhemikhali endaweni ye-PTFE noma ukushumeka kwe-plasma ukuze kuhlanganiswe nobulukhuni bobuso noma ukwengeza ifilimu yokunamathela eyodwa phakathi kwe-PTFE nefoyili yethusi, kodwa lokhu kungase kube nomthelela ekusebenzeni kwe-dielectric.

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