Wadanne nau'ikan da'irori ne za a iya amfani da su tare da PCBs na yumbu?
Akwai nau'ikan da'irori da yawa waɗanda za a iya amfani da su tare da PCBs na yumbu. Wadannan su ne wasu misalai.
Matsaloli masu sauri
RF kewaye
Wuraren watsar da zafi
Wuraren samar da wutar lantarki
Zazzabi da'ira ramuwa
Shin PCBs yumbu sun fi tsada fiye da allunan FR-4 na gargajiya?
Ee, PCBs yumbu sun fi tsada fiye da allunan FR-4 na gargajiya tun da yumbura sabon abu ne kuma mafi girma na kayan PCB.
Ta yaya ake kera PCBs yumbura?
Mai zuwa shine sauƙaƙe tsarin masana'anta don PCBs yumbura.
Shirya albarkatun kasa → ciki Layer na jan karfe alama etching → laminating → hakowa → fitar da Layer jan karfe alama → solder mask bugu → surface jiyya → silkscreen bugu → bude / gajere gwaji → karshe ingancin dubawa → marufi.
Shin Richfulljoy yana samar da PCB yumbura mai yawa?
Ee, muna da kwarewa sosai wajen samar da PCB multilayer yumbu. Da fatan za a tuntuɓi ƙungiyar tallace-tallace ta mu don samun ƙimar kyauta don ƙirƙira PCB ɗin yumburku.
Menene babban bambanci: Ceramic pcb vs FR4?
1. A substrates ne daban-daban;
2. Abubuwan amfani sun bambanta;
3. Kudaden sun bambanta: yumbu mai yumbu da aka yi da jan karfe ya fi tsada;
4, Daban-daban a samar: da yumbu PCB masana'antu tsari ne mafi wuya.
Shin akwai wasu la'akari na musamman da za a kiyaye yayin zayyana PCB yumbu?
Lokacin zayyana PCBs na yumbu, dole ne mu ɗauki ƙirar da sauƙi kuma ya kamata mu kiyaye la'akari da yawa a zuciya.
Lokacin zayyana PCB yumbu, yakamata mu zaɓi kayan dielectric a hankali don aikace-aikacen da ake so.
Ana buƙatar impedance mai sarrafawa koyaushe a cikin PCBs yumbura, don haka masu ƙira yakamata su ƙididdige ƙimar impedance bisa ga sigogin kayan (Er), kauri na jan karfe, faɗin jan karfe / sarari, kauri dielectric, da sauransu.
Tunda kayan yumbura sun fi tsada fiye da kayan FR4, ƙirar allon yumbu ya kamata yayi la'akari da farashin PCB da ƙimar aikace-aikacen gabaɗaya.
Idan muka gano matsalolin da za a iya fuskanta a farkon tsarin ƙira, za mu iya tabbatar da nasara a matakai na gaba. Tare da tsare-tsare a hankali, PCBs yumbu na iya samar da ingantattun mafita don aikace-aikace daban-daban. Da fatan za a tuntuɓe mu kyauta idan kuna da wasu tambayoyi game da PCBs na yumbura.
Menene lokacin jagora don kera PCB yumbu?
Madaidaicin lokacin jagorarmu don samarwa PCB yana kusa da makonni 1-3. Amma wani lokacin, muna iya buƙatar ƴan makonni don siyan kayan yumbu na musamman. Don haka, yanayi kamar nau'in kayan abu da fasaha da ake amfani da su akan PCB zasu ƙayyade ainihin lokacin jagorar masana'antar PCB yumbu.
Menene farashin yumbu PCB?
Abubuwan da ke biyowa suna ƙayyade farashin PCB yumbura.
Substrate abu (mafi mahimmanci sashi);
Yawan adadin kowane tsari;
Fasahar Tsari, kamar makafi/binne vias;
Wahala a masana'anta, irin su juriya mai tsananin ƙarfi, haƙurin nisa na jan ƙarfe;
Wasu bukatu na musamman.
Menene bambanci tsakanin yumbu PCB da Teflon PCB?
Kayayyakin sun bambanta:
Teflon wani nau'i ne na kayan polyimide, wanda shine nau'i na musamman na filastik mai girma. Amma yumbu wani nau'in sinadari ne da aka yi da boron nitride, beryllium oxide da silicon carbide.
Amfani ya bambanta:
Ana amfani da Teflon PCBs koyaushe don aikace-aikacen microwave da RF. Amma kayan yumbu yawanci ana ƙarfafa su tare da haɗuwa da wasu kayan, don haka ana amfani da kayan yumbura da yawa.
Tsarin samar da PCB da dabaru sun bambanta:
Wannan saboda halayen nau'ikan kayan biyu sun bambanta gaba ɗaya.