Menene Daban-daban Nau'o'in PCBs?
Rukunin PCB sun kasance a cikin nau'i daban-daban don aikace-aikace iri-iri. Zaɓin ginin da ya dace don samfur zai buƙaci injiniya yayi la'akari da abin da aka yi niyya na amfani da na'ura, girmanta da ƙayyadaddun ikonta. Yi bitar waɗannan don fahimtar nau'ikan allunan da'irar da aka buga da kuma irin nau'ikan da suka dace da ƙoƙarinku:
PCBs masu gefe guda ɗaya: Ƙirƙirar PCB ya haɗa da yin allon kewayawa daga Layer Layer ɗaya da ƙaramin ƙarfe. Ana sayar da duk abubuwan haɗin gwiwa zuwa gefe guda.
PCBs masu gefe biyu: Nau'in PCB inda ake amfani da zanen ƙarfe na ƙarfe a bangarorin biyu na ma'auni.
Ana iya huda ramuka ta tsakiyar allon da'irar don ba da damar haɗin kai zuwa ɓangarorin biyu.
Multilayer PCBs: Mafi ƙanƙancin PCB masu nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan PCB guda uku da aka jera su a saman juna da nau'ikan rufi da yawa don iyakance saurin zafi. Abubuwan manne na musamman suna riƙe jerin PCBs tare.
PCBs masu sassauƙa: Allolin da'ira da aka buga waɗanda ke nuna sassauƙan sassa don taimaka wa injiniyoyi su dace da ƙaƙƙarfan siffofi na samfur. Fasahar na iya kasancewa a cikin sigar gini mai gefe ɗaya, mai gefe biyu ko mai yawa.
PCBs masu tsattsauran ra'ayi: Masu amfani ga samfuran mabukaci waɗanda ke kiyaye siffa iri ɗaya a tsawon rayuwarsu. Ana kera PCBs masu tsauri ta amfani da tarkace masu ƙin murɗawa.
PCBs masu sassauƙa mai ƙarfi: Allolin da'ira da aka buga ta amfani da abubuwa masu ƙarfi da sassauƙa. Waɗannan saitunan suna ba masu haɓaka samfur damar adana sarari, kamar yadda za a iya haɗa hanyoyin haɗi masu tsauri da sassauƙa akan allon kewayawa ɗaya.
PCBs masu goyan bayan Aluminum: Nau'in PCB wanda ke musanya ma'aunin aluminium inda gilashin fiberglass zai kasance. An ƙera shi don amfani da PCB mai ƙarfi kamar fitilun LED.
PCBs masu girma-girma: Hukumar da'ira da aka ƙera don aika sigina masu ƙarfi kamar 2 GHz.
Menene PCBs Aka Yi Daga?
Tsarin ƙirƙira na PCB ya bambanta dangane da manufar da aka nufa na naúrar da yawan ƙarfin da ake buƙata don yin aikin na'urar lantarki. Kafin zabar kayan don taron hukumar da'ira, yana da kyau ku san kanku da manyan sassa huɗu na rukunin PCB:
Substrate: Tsarin tsari na allon kewayawa - duk abubuwan da aka haɗa suna ɗaure zuwa wannan saman.
Laminates: Abubuwan da ke riƙe duk yadudduka na PCB tare.
Mashin solder: Yana zaune a saman foils na tagulla don keɓewa kuma yana ba da kariya daga abubuwan muhalli.
Silkscreen: Yana ɗaure zuwa abin rufe fuska don a iya yiwa abubuwan da aka gyara su lakabi.
Menene tsari?
Zane-zane, ko zane-zane, wakilci ne na abubuwan tsarin ta amfani da alamomin zayyana, maimakon hotuna na gaske.
Menene abubuwan isarwa don sabis na shimfidar PCB?
Don umarnin sabis na Layout na PCB, za a samar da bayanai masu zuwa a cikin fayil ɗin fitarwa:
Cikakkun bayanai na Gerber da suka haɗa da fayilolin Drill (Rakunan da'irar, Layer Mask, Layer Silk, Shaci, Yadudduka, Lina yadudduka)
Zaɓi & Sanya bayanan
Ƙarshe Bill of Material file
Project Netlist da PDF fayil
Wadanne nau'ikan kayan ne ake amfani da su don yin tsayayyen PCBs?
Farashin FR4
Babban kayan saurin sigina
Babban saurin FR4 tare da DF 1Ghz.
Babban saurin FR4 tare da Df 10Ghz
Ƙananan kayan yumbura Df, aiki a 10Ghz
Kayan PTFE ko ƙarfafa kayan PTFE
Babban zafin jiki na PTFE
Wadanne nau'ikan fasahohin ƙirƙira ake amfani da su don yin tsayayyen PCBs?
Akwai fasahohin ƙirƙira da yawa da ake amfani da su don yin tsayayyen PCBs. Matakan da ke biyo baya suna cikin mafi yawan fasaha.
Lamination
Yin hakowa
Tagulla plating
Copper etching
Solder mask
Ƙarshen Sama
Abubuwan siliki
Depanelization
Gwaji
Wadanne nau'ikan gwaji ne PCBs masu tsauri suke yi?
Gwajin Lantarki don Buɗewa da Gajarta
AOI (Binciken gani mai sarrafa kansa)
Gwajin impedance TDR
Barka da Yiwuwar Gwaji
Duban Lalacewar gani
Gwajin Solderability
Gwajin zafi
Gwajin Tef
Gwajin kwasfa
Gwajin Gubawar Ionic
Yaya tsawon lokacin da ake ɗauka don samar da PCB mai tsauri?
Mai zuwa shine game da lokacin da ake buƙata don samar da PCBs masu tsauri a cikin Richfulljoy.
Yana ɗaukar kwanaki 1-5 don saurin jujjuya m PCBs.
Ana ɗaukar makonni 1-2 don samfuri da ƙananan jerin samar da PCBs masu tsauri.
Ana ciyar da makonni 2-4 akan yawan samar da PCBs masu tsauri.
Menene babban bambanci: M PCB vs flex PCB?
Babban bambanci tsakanin m PCB board da flex PCB board su ne:
1), An samar da su da abubuwa daban-daban: m kewaye allon ana samar da FR4, yumbu, karfe core, PTFE da dai sauransu, duk su ne m (ba za a iya lankwasa), yayin da m PCB aka samar da polyimide (PI), PET. , Kapton matrial wanda za a iya lankwasa dubban sau;
2), Idan sun kasance masu lanƙwasa ko a'a: PCB mai tsauri ba mai tanƙwara ba ne, amma PCB mai sassauƙa yana lanƙwasa;
3), Suna da amfani daban-daban: ana amfani da allon tsattsauran ra'ayi a cikin na'urorin lantarki waɗanda ba sa motsi, amma ana amfani da allon kewayawa a cikin na'urori waɗanda koyaushe suna motsawa, kamar kyamarori, kwamfutar tafi-da-gidanka, wayoyin hannu, bincike masu motsi da sauransu.
Nawa ne kudin don samar da PCB mai tsauri?
Yana da wuya a faɗi adadin PCB mai tsauri. Abubuwan da ke biyo baya game da manyan abubuwan da ke shafar farashin PCB mai tsauri.
Nau'in kayan tushe
Ƙididdigar Layer na PCB mai tsauri
Kaurin jan karfe
A kauri na m PCB
Tsarin tsari
Makafi/Binne ta hanyar
Surface yana gamawa
Fasaha na musamman ko buƙatu
Menene wasu fa'idodin amfani da tsayayyen PCBs?
PCBs masu tsauri sune PCBs da aka fi amfani dasu. Babban fa'idodinsa shine:
Babban kwanciyar hankali
Babban abin dogaro
Maras tsada