The ikon LED kunshin PCB abubuwa a matsayin m na zafi da kuma iska convection, kuma ta thermal watsin taka muhimmiyar rawa a cikin zafi dissipation na LED.DPC yumbu PCB nuna karfi gasa tsakanin da yawa lantarki marufi kayan tare da kyakkyawan yi da kuma sannu a hankali rage farashin. , wanda shine yanayin ci gaban marufi na LED a nan gaba.Tare da ci gaban kimiyya da fasaha da kuma bayyanar da sabon shiri matakai, high thermal conductivity yumbu kayan da m aikace-aikace bege kamar sabon lantarki marufi PCB kayan.
Tare da ci gaba da haɓaka ikon shigar da kwakwalwan LED, babban zafi da aka haifar da babban ikon watsawa ya sanya sabbin buƙatu masu girma don kayan marufi na LED.A cikin tashar watsawar zafi na LED, PCB mai marufi shine maɓalli mai mahimmanci wanda ke haɗa hanyoyin da ke haifar da zafi na ciki da na waje, kuma yana da ayyuka na tashar zafi mai zafi, haɗin kewaye da goyon bayan jiki ga guntu.Don babban ikoLED samfurori, PCB marufi yana buƙatar babban rufin lantarki, haɓakar zafin jiki mai ƙarfi, da haɓaka haɓakar thermal mai daidaita guntu.
Amma fakitin tushen guduro PCB: babban farashi na tallafi har yanzu yana da wahala a shahara.EMC da SMC suna da manyan buƙatu akan kayan gyare-gyaren matsawa.Farashin layin samar da gyare-gyare na matsawa ya kai yuan miliyan 10, kuma har yanzu yana da wahala a yada shi a babban sikeli.SMD LED brackets da suka fito a cikin 'yan shekarun nan gabaɗaya suna amfani da kayan aikin filastik gyare-gyaren zafin jiki, ta yin amfani da resin PPA azaman kayan albarkatun ƙasa, da ƙara gyare-gyaren filaye don haɓaka wasu kayan aikin jiki da sinadarai na PPA, ta yadda kayan PPA suka fi dacewa da su. allura gyare-gyare.Da kuma amfani da SMD LED bracket.Ƙarfin zafin jiki na filastik PPA yana da ƙasa sosai, kuma zafi
tarwatsewar ana yin ta ne ta hanyar firam ɗin gubar ƙarfe.Ƙarfin watsawa na zafi yana iyakance, kuma ya dace kawai don marufi na LED mai ƙarancin wuta.
Ƙarfe Mai Buga Alƙalan Da'ira: Haɗin Kan Tsarukan Ƙirƙirar Ƙarfafawa da Ƙananan Aikace-aikace.Tsarin sarrafawa da masana'antu na PCB na tushen aluminum yana da rikitarwa kuma farashin yana da yawa.Matsakaicin haɓakar haɓakar thermal na aluminum ya bambanta da na kayan guntu, kuma ba kasafai ake amfani da shi a aikace-aikace masu amfani ba.Yawancin fakitin LED masu ƙarfi suna amfani da irin wannan PCB, kuma farashin yana tsakanin matsakaici da farashi mai girma.Yana da kyau gaLED MINI nuni.A halin yanzu high-ikon LED zafi dissipation PCB a samar yana da wani sosai low thermal conductivity na insulating Layer, kuma saboda kasancewar insulating Layer, ba zai iya jure high-zazzabi soldering, wanda iyakance ingantawa na kunshin tsarin da kuma shi ne. ba dace da LED zafi dissipation.
PCB-tushen marufi: fuskantar kalubale, yawan amfanin ƙasa bai wuce 60% PCBs na tushen silicon na fuskantar ƙalubale a cikin shirye-shiryen insulating yadudduka, ƙarfe yadudduka, da vias, da yawan amfanin ƙasa bai wuce 60%.Ana amfani da kayan tushen Silicon azaman fasahar PCB fakitin LED, wanda ake amfani dashi a cikinLED masana'antua cikin masana'antar semiconductor.Ƙarfafawar thermal conductivity da thermal faɗaɗa kaddarorin PCBs na tushen silicon suna nuna cewa silicon ya fi dacewa da marufi don LEDs.The thermal watsin
na silicon ne 140W/m·K.Lokacin amfani da marufi na LED, juriya na thermal da ke haifar da shi shine kawai 0.66K / W;da kayan da aka yi amfani da su na silicon an yi amfani da su sosai a cikin matakan masana'antu na semiconductor da filayen marufi masu dangantaka, wanda ya haɗa da kayan aiki da kayan aiki.balagagge.Saboda haka, idan silicon aka sanya a cikin LED kunshin PCB, taro samar da sauki.Duk da haka, akwai har yanzu da yawa fasaha matsaloli a LED silicon PCB marufi.Alal misali, dangane da kayan, kayan silicon suna da sauƙi karya, kuma akwai matsala tare da ƙarfin injin.Dangane da tsari, ko da yake silicon shine kyakkyawan jagorar thermal, yana da ƙarancin rufewa kuma dole ne ya zama oxidized kuma a rufe shi.Bugu da ƙari, ana buƙatar daɗaɗɗen ƙarfe ta hanyar sputtering tare da electroplating, kuma ana buƙatar shirya rami mai gudanarwa ta hanyar etching.Gabaɗaya, shirye-shiryen insulating yadudduka, ƙarfe yadudduka, da vias duk suna fuskantar kalubale, kuma yawan amfanin ƙasa ba shi da yawa.
Kunshin yumbura PCB: Inganta Haɗuwa da Haɗuwa da HaɗuwaHigh Power LEDBukatu.Tare da high thermal conductivity yumbu matrix, da zafi dissipation yadda ya dace da aka inganta sosai, kuma shi ne mafi dace samfurin ga ci gaban bukatun da babban iko da kananan size LEDS.Ceramic PCBS suna da sabbin kayan aikin thermal conductivity da sabbin sifofi na ciki, waɗanda suka haɗa da lahani na PCBS ƙarfe na aluminium, ta haka inganta tasirin tasirin zafi na PCB.Daga cikin kayan yumbu da za a iya amfani da su don lalata PCB mai zafi, BEO yana da haɓakar haɓakar thermal, amma ƙimar faɗaɗawar layinsa ya bambanta da na silicon, kuma yana da guba yayin kera, wanda ke iyakance aikace-aikacen kansa;BN yana da kyakkyawan aiki mai mahimmanci, amma a matsayin PCB Kayan ba shi da wani fa'ida mai ban sha'awa kuma yana da tsada, kuma a halin yanzu yana cikin bincike da haɓakawa kawai;silicon carbide yana da high ƙarfi da high thermal watsin, amma ta juriya da dielectric jure irin ƙarfin lantarki ne low, da bonding bayan metallization ne m, wanda zai haifar da Canje-canje a thermal watsin da dielectric akai kada a yi amfani da matsayin insulating marufi PCB kayan.Ko da yake Al2O3 yumbu substrate a halin yanzu shine mafi yawan samarwa da amfani da yumbu substrate, saboda mafi girman haɓakar haɓakar zafinta fiye da na Si single crystal, Al2O3 yumbu substrate bai dace da babban mita ba, babban iko, haɗe-haɗe-haɗe-haɗe-haɗe-haɗe. kewaye.amfani a. A1N crystal yana da high thermal watsin da aka dauke a matsayin manufa abu ga gaba-tsara semiconductor PCBS da marufi.
AlN ceramic PCB an yi nazari sosai kuma a hankali an haɓaka shi tun daga 1990s.A halin yanzu gabaɗaya ana ɗaukarsa azaman kayan tattara yumbu mai ƙyalƙyali.Haɓakar zafi na AlN ceramic PCB ya kai sau 7 fiye da na Al2O3.Fa'idar zubar da zafi na AlN yumbu PCB da aka yi amfani da su zuwa manyan LEDs yana da ban mamaki, ta haka yana haɓaka rayuwar sabis na LEDs.DPC yumbu PCB kuma an san shi da allon yumbu mai yumbura kai tsaye.Kayayyakin DPC suna da halaye na daidaitattun kewayawa da babban shimfidar ƙasa.Yana da samfurin ƙetare wanda ya fi dacewa da bukatun ci gaba na babban iko, ƙananan ƙananan LEDs.
Lokacin aikawa: Agusta-29-2022