The ike ikanam ngwugwu PCB eme dị ka onye na-ebu nke okpomọkụ na ikuku convection, na ya thermal conductivity na-arụ a bụrụkwa ọrụ na okpomọkụ dissipation nke LED.DPC seramiiki PCB na-egosi ike asọmpi n'etiti ọtụtụ electronic nkwakọ ihe na ya magburu onwe arụmọrụ na nke nta nke nta ibelata price. , nke bụ usoro nke mmepe nkwakọ ngwaahịa ike LED n'ọdịnihu.Na mmepe nke sayensị na nkà na ụzụ na ntoputa nke ọhụrụ nkwadebe Filiks, elu thermal conductivity seramiiki ihe nwere sara mbara ngwa atụmanya dị ka ọhụrụ electronic nkwakọ PCB ihe.
Site na mmụba na-aga n'ihu nke ike ntinye nke ibe LED, nnukwu ọkụ na-emepụta site na nnukwu ike nkwụsị ewepụtala ihe ọhụrụ na nke dị elu maka ihe nkwakọ ngwaahịa LED.N'ime ọkụ ọkụ ọkụ ọkụ ọkụ ọkụ ọkụ, PCB nkwakọ ngwaahịa bụ isi njikọ na-ejikọta ụzọ nkwụsị ọkụ nke ime na nke dị n'èzí, ma nwee ọrụ nke ikpo ọkụ ọkụ, njikọ sekit na nkwado anụ ahụ maka mgbawa.Maka ike dị eluNgwaahịa LED, PCB nkwakọ ngwaahịa chọrọ mkpuchi ọkụ eletrik dị elu, ịdị elu thermal conductivity, na ọnụọgụ mgbasawanye okpomọkụ dabara na mgbawa.
Mana PCB ngwugwu dabere na resin: ọnụ ahịa nkwado dị elu ka siri ike ịkwalite.EMC na SMC nwere nnukwu ihe achọrọ na akụrụngwa ịkpụzi mkpakọ.Ọnụahịa nke ahịrị mmepụta ihe na-emepụta mkpakọ dị ihe dị ka nde yuan 10, ọ ka na-esikwa ike ịkwalite ya n'ọtụtụ buru ibu.SMD LED brackets nke pụtara n'afọ ndị na-adịbeghị anya na-eji ihe plastik emezigharị okpomọkụ dị elu, na-eji PPA resin dị ka ihe eji eme ihe, na-agbakwụnye ihe ndozi gbanwetụrụ iji welie ụfọdụ ihe anụ ahụ na kemịkal nke PPA akụrụngwa, nke mere na ihe PPA dabara adaba maka. injection ịkpụzi.Na ojiji nke SMD LED bracket.The thermal conductivity nke PPA plastic dị nnọọ ala, na okpomọkụ ya
A na-eme mgbasawanye site na etiti ndu igwe.Ike ikpo ọkụ ọkụ dị oke, ọ dịkwa mma maka nkwakọ ngwaahịa LED dị ala.
bọọdụ sekit Ebipụtara Metal Core: Usoro nrụpụta mgbagwoju anya yana ngwa na-abaghị uru.Usoro nhazi na nrụpụta nke PCB dabeere na aluminom dị mgbagwoju anya na ọnụ ahịa dị elu.Ọnụ ọgụgụ mgbasawanye okpomọkụ nke aluminom dị nnọọ iche na nke ihe mgbawa, ọ naghị adịkarịkwa eji ya na ngwa bara uru.Ọtụtụ n'ime ngwugwu LED dị elu na-eji ụdị PCB a, ọnụ ahịa ya dịkwa n'etiti ọnụ ahịa etiti na nke dị elu.Ọ dị mma makaLED MINI ngosi.The ugbu a elu-ike LED okpomọkụ dissipation PCB na mmepụta nwere nnọọ ala thermal conductivity nke insulating oyi akwa, na n'ihi ịdị adị nke insulating oyi akwa, ọ pụghị iguzogide elu okpomọkụ soldering, nke na-egbochi njikarịcha nke ngwugwu Ọdịdị na bụ. adịghị akwado ọkụ ọkụ ọkụ LED.
PCB nke dabeere na silicon: na-eche ihe ịma aka ihu, ọnụego mkpụrụ bụ ihe na-erughị 60% PCB ndị dabeere na silicon na-eche ihe ịma aka ihu na nkwadebe nke mkpuchi mkpuchi, akwa metal, na vias, na ọnụego mkpụrụ anaghị agafe 60%.A na-eji ihe ndị sitere na silicon dị ka teknụzụ PCB nkwakọ ngwaahịa LED, nke a na-eji naỤlọ ọrụ LEDna ụlọ ọrụ semiconductor.Nrụpụta ọkụ na akụrụngwa mgbasawanye ọkụ nke PCB dabere na silicon na-egosi na silicon bụ ihe nkwakọ ngwaahịa dabara adaba maka LEDs.The thermal conductivity
nke silicon bụ 140W/m·K.Mgbe ejiri ya na nkwakọ ngwaahịa LED, nguzogide okpomọkụ kpatara ya bụ naanị 0.66K / W;na ihe ndị dabere na silicon ka ejirila ọtụtụ ihe na usoro nrụpụta semiconductor na mpaghara nkwakọ ngwaahịa metụtara ya, gụnyere akụrụngwa na ihe ndị metụtara ya.tozuru oke.Ya mere, ọ bụrụ na emere silicon ka ọ bụrụ ngwugwu LED PCB, mmepụta oke dị mfe.Agbanyeghị, a ka nwere ọtụtụ nsogbu teknụzụ na nkwakọ ngwaahịa silicon PCB LED.Dịka ọmụmaatụ, n'ihe gbasara ihe, ihe ndị silicon na-agbaji ngwa ngwa, enwekwara nsogbu na ike nke usoro ahụ.N'ihe gbasara nhazi, ọ bụ ezie na silicon bụ ezigbo onye na-eduzi okpomọkụ, ọ nwere ihe mkpuchi na-adịghị mma, ọ ghaghịkwa ịbụ oxidized na mkpuchi.Tụkwasị na nke ahụ, ọ dị mkpa ka edozi oyi akwa ígwè site na sputtering jikọtara ya na electroplating, na oghere conductive kwesịrị ịkwadebe site na etching.N'ozuzu, nkwadebe nke mkpuchi mkpuchi, akwa metal, na vias niile na-eche ihe ịma aka ihu, na mkpụrụ adịghị elu.
PCB ngwugwu seramiiki: melite arụmọrụ ikposa ọkụ iji zuteIgwe ọkụ ọkụ dị eluAchọ.Site na seramiiki seramiiki dị elu nke thermal conductivity, a na-eme ka nrụpụta ọkụ ọkụ na-arụ ọrụ nke ọma, ọ bụkwa ngwaahịa kachasị mma maka mkpa mmepe nke ike dị elu na obere LEDS.Ceramic PCBS nwere ihe ọhụrụ thermal conductivity material na ọhụrụ esịtidem owuwu, nke mebere maka ntụpọ nke aluminum metal PCBS, si otú eme ka mkpokọta okpomọkụ dissipation mmetụta nke PCB.N'ime ihe ndị dị na seramiiki nwere ike iji PCB na-ekpochapụ okpomọkụ, BEO nwere nnukwu ikuku thermal conductivity, ma ọnụọgụ mgbasawanye linear ya dị nnọọ iche na nke silicon, ọ na-egbu egbu n'oge mmepụta, nke na-egbochi ngwa nke ya;BN nwere ezigbo arụmọrụ zuru oke, ma dị ka PCB Ihe ahụ enweghị uru dị ịrịba ama ma dị oke ọnụ, ma dị ugbu a naanị na nyocha na nkwalite;silicon carbide nwere nnukwu ike na elu thermal conductivity, ma ya nguzogide na dielectric na-eguzogide voltaji dị ala, na bonding mgbe metallization bụ ejighị n'aka, nke ga-eme ka Mgbanwe na thermal conductivity na dielectric mgbe nile ekwesịghị iji dị ka insulating nkwakọ PCB ihe.Ọ bụ ezie na Al2O3 ceramic substrate bụ ugbu a bụ mkpụrụ seramiiki kacha emepụta na nke a na-ejikarị eme ihe, n'ihi ọnụọgụ mgbasawanye ọkụ ya dị elu karịa nke Si single crystal, Al2O3 ceramic substrate adịghị mma maka ugboro ugboro, ike dị elu, ultra-large-scale integrated sekit.eji na. A1N kristal nwere elu thermal conductivity na a na-ewere dị ka ihe ezigbo ihe maka ọzọ-ọgbọ semiconductor PCBS na nkwakọ.
AlN ceramic PCB ka a mụọla ọtụtụ ebe wee jiri nwayọ mepụta kemgbe 1990s.A na-ewere ya ugbu a dị ka ihe nkwakọ ngwaahịa seramiiki eletrọnịkị na-ekwe nkwa.Okpomọkụ mgbasa nke AlN ceramic PCB dị ihe dị ka ugboro asaa karịa nke Al2O3.Uru ikpochapu ọkụ nke AlN ceramic PCB etinyere na LEDs dị elu dị ịrịba ama, si otú a na-eme ka ndụ ọrụ nke LED dịkwuo mma.A na-akpọkwa PCB seramiiki DPC dị ka bọọdụ seramiiki nwere ọla kọpa.Ngwaahịa DPC nwere njirimara nke ziri ezi sekit dị elu na elu elu elu.Ọ bụ ngwaahịa na-agafe agafe nke kachasị mma maka mkpa mmepe nke ike dị elu, obere LEDs.
Oge nzipu: Ọgọst-29-2022