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Waa maxay noocyada muraayadaha naxaasta ah ee sida caadiga ah loo isticmaalo wershadaha PCB ee ku dallaca wireless-ka?

  • 2023-04-20 18:17:46


Qalabka ugu muhiimsan ee ku dallacaadda wireless-ka ee gaariga PCB waa laminate naxaas ah, iyo laminate naxaas ah (laminate naxaas ah) wuxuu ka kooban yahay substrate, bireed naxaas ah iyo koollo.Substrate-ku waa laminate dahaar ah oo ka kooban xabagta synthetic polymer iyo alaabta xoojinta;dusha sare ee substrate waxaa lagu daboolay lakabka bireed naxaas saafi ah oo leh conductivity sare iyo alxanka wanaagsan, iyo dhumucda caadiga ah waa 18μm ~ 35μm ~ 50μm;xaashida naxaasta ah waxay ku daboolan tahay substrate-ka lakabka naxaasta ah ee hal dhinac ah waxaa loo yaqaannaa laminate naxaas ah oo hal dhinac ah, iyo lakabka naxaasta ah ee labada dhinac ee substrate-ka lagu daboolay bireed naxaas ah ayaa loo yaqaannaa laminate naxaas ah oo laba geesood ah.Haddii xaashida naxaasta ah si adag loogu dabooli karo substrate-ka waxaa dhamaystiraya xabagta.Laminatesyada naxaasta sida caadiga ah loo isticmaalo waxay leeyihiin saddex dhumucood: 1.0mm, 1.5mm iyo 2.0mm.



Waa maxay noocyada laminate-yada naxaasta ah
1. Marka loo eego qallafsanaanta farsamaysan ee lakabka naxaasta ah, waxa loo qaybin karaa: Laminate Copper Clad Laminate oo adag (Rigid Copper Clad Laminate) iyo Laminate naxaas dabacsan (Flexible Copper Clad Laminate).
2. Marka loo eego qalabyada iyo qaababka kala duwan ee dahaarka, waxaa loo qaybin karaa: CCL resin organic, CCL-ku salaysan birta, iyo CCL-ku-saleysan dhoobada.
3. Marka loo eego dhumucda lakabka naxaasta, waxa loo qaybin karaa: saxan dhumucdiisuna waxay tahay 0.8 ~ 3.2mm (oo ay ku jiraan Cu), saxan khafiif ah [kala duwanaansho dhumucdiisu ka yar tahay 0.78mm (marka laga reebo Cu)].
4. Marka loo eego walxaha xoojinta ee laminate clad copper, waxa loo qaybiyaa: saldhig maro dhalada ah naxaas clad laminate, warqad saldhig naxaas clad laminate, saldhig ka kooban naxaas clad laminate (CME-1, CME-2).
5. Marka loo eego darajada dab-demiska, waxa loo qaybiyaa: looxa ololka celinaya iyo looxa aan ololka lahayn.

6. Marka loo eego halbeegyada UL (UL94, UL746E, iwm.), darajooyinka dib u ololka ee CCL waa la kala qaybiyaa, CCL adagna waxaa loo qaybin karaa afar darajooyin dib u dhigista ololka: UL-94V0, UL-94V1, UL-94V2 Class iyo UL-94HB.



Noocyada iyo sifooyinka caanka ah ee laminate-yada naxaasta ah
1. Waraaqaha phenolic ee naxaasta-xidhan waa badeeco dahaaran oo ka samaysan xaashida dahaaran (TFz-62) ama warqad suuf ah oo la dahaadhay (1TZ-63) oo ay ku jirto xabagta phenolic iyo cadaadis kulul.Hal xaashi oo ah maro aan alkali ahayn oo galaas ah, dhinacna lagu daboolay bireed naxaas ah.Asal ahaan loo isticmaalo sida looxyada wareegga ee qalabka raadiyaha.
2. Laminate maro phenolic ah oo naxaas ah waa badeeco dahaaran oo ka samaysan maro quraarad ah oo aan alkali lahayn oo ay ku jirto resin epoxy phenolic iyo cadaadis kulul.Mid ama labada dhinacba waxaa lagu dahaadhay biibiile naxaas ah, kaas oo leh miisaan fudud, koronto iyo qalab farsamo.Wanaagsan, habayn fudud iyo faa'iidooyin kale.Dusha sare ee looxa waa huruud khafiif ah.Haddii melamine loo isticmaalo sida wakiilka daaweynta, dusha sare ee looxa wuxuu noqon doonaa cagaar khafiif ah oo leh daahfurnaan wanaagsan.Waxaa inta badan loo isticmaalaa sidii loox wareeg ah oo ku jira qalabka raadiyaha oo leh heerkul sare oo shaqeynaya iyo inta jeer ee hawlgalka.
3. Laminate PTFE-Copper-clad waa naxaas ka samaysan PTFE sida substrate-ka, oo lagu daboolay bireed naxaas ah oo la riixay kulul.Waxaa inta badan loo isticmaalaa PCB ee xadadka soo noqnoqda sare iyo ultra-sare-sare.
4. Laminate maro epoxy-clad Copper-xidhan waa wax caadi ahaan loo isticmaalo loox wareegga metallized godka.
5. Filimka jilicsan ee polyester-ka ee naxaas-ku-xidhan waa walax-qaabeeya oo ka samaysan filim polyester ah iyo naxaas kuleyl ah.Waxaa loo rogaa qaab wareeg ah waxaana lagu dhejiyaa gudaha qalabka inta lagu jiro codsiga.Si loo xoojiyo ama looga hortago qoyaanka, waxaa badanaa lagu shubaa gebi ahaan oo leh resin epoxy.Inta badan waxaa loo isticmaalaa looxyada wareegyada dabacsan iyo fiilooyinka daabacan, waxaana loo isticmaali karaa xariiqda kala-guurka ee xirayaasha.
Waqtigan xaadirka ah, lakabyada naxaasta-clad-ka ah ee lagu bixiyo suuqa waxaa loo qaybin karaa qaybaha soo socda marka loo eego dhinaca maaddada aasaasiga ah: Substrate-ka warqadda, lakabka maro fiber galaaska, substrate-ka fiber-ka-sameeyaha ah, substrate-ka dharka aan tolmada lahayn, iyo substrate isku dhafan.



Alaabooyinka sida caadiga ah loo isticmaalo ee loogu talagalay laminates-yada naxaasta ah
FR-1—— warqad suuf ah, walxahan saldhigga ah waxaa caadi ahaan loo yaqaan bakelite (oo ka dhaqaale badan FR-2) FR-2—— warqad suuf ah FR-3 —— warqad suuf ah (Warqad suuf ah), resin epoxy FR- 4- -Maro galaas ah (Muraayad tolsan), epoxy resin FR-5 ——maro galaas ah, epoxy resin FR-6—— galaaska barafaysan, polyester G-10——maro galaas ah, epoxy resin CEM-1——— warqad unug, resin epoxy (oo ololka celisa) CEM-2——warqad unug ah, resin epoxy (aan olol lahayn) CEM-3——maro galaas ah, resin epoxy CEM-4——maro galaas ah, resin epoxy CEM -5——maro galaas ah, polyester AIN ——aluminium hydride SIC——silikoni carbide

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