Ceramic PCBs for Power Electronics | High-Performance Solutions

ziviso

Mumagetsi emagetsi uye masisitimu e LED anopenya zvakanyanya, kutonga kupisa kwakanaka kwakakosha pakushanda uye kuvimbika. Ceramic PCBs dzemagetsi emagetsi dzinopa conductivity yepamusoro yekupisa uye insulation zvichienzaniswa neFR4 yechinyakare kana maPCB akavakirwa pasimbi, zvichiita kuti ive yakakodzera kune nharaunda dzinoda simba dzakadai seIGBT modules, power converters, uye LED lighting systems.

Sezvo simba remagetsi richiramba richiwedzera mumidziyo yemazuva ano yemagetsi, zvisingakwanisi zvema substrates akajairwa zvinowedzera kuoneka. Ceramic substrates inogadzirisa matambudziko aya nekubatanidza akanakisa ekupisa zvivakwa neakasimba magetsi ekudzivirira uye kugadzikana kwemuchina, zvichiita kuti mainjiniya asundire miganhu yekushanda achichengetedza kuvimbika kwenguva refu.

Nei Thermal Management Inobata muSimba Electronics

Simba semiconductor midziyo yakadai seMOSFETs, IGBTs, uye high-power LEDs inoshandura chikamu chakakosha chesimba remagetsi mukupisa panguva yekushanda. MuIGBT modules, kuchinja kurasikirwa uye kurasikirwa kwemaitiro kunogona kuunza kupisa kwakanyanya kudarika 100 W/cm², nepo LED machipisi achishandura pamusoro pe50% yesimba rawo rekuisa kuita simba rinopisa kwete chiedza chinooneka.

Pasina kukwana kwekutonga kwemafuta, tembiricha yekusangana inogona kudarika miganho yekushanda yakachengeteka, inotungamira kune parametric drift, kuderedzwa kwekuchinja kumhanya, uye pakupedzisira kutadza kwakaipisisa. Ceramic PCBs emagetsi emagetsi inopa nzira yakakosha yekupisa yekubvisa kupisa uku zvakanaka, kuchengetedza tembiricha yepakati mukati mezvikamu zvinogamuchirwa uye kuve nechokwadi chekushanda kwakafanana pamusoro pehupenyu hwechigadzirwa.

Core Properties yeCeramic PCBs yeSimba Electronics & LED Zvishandiso

Iko kuita kwepamusoro kweceramic PCB yemagetsi emagetsi kunobva kune akati wandei akakosha zvinhu zvivakwa zvinogadzirisa zvakanangana nekupisa uye magetsi matambudziko mune yakakwirira-simba maapplication:

Thermal Performance Advantages

Aluminium nitride (AlN) substrates inopa yakasarudzika yekupisa conductivity inosvika 170 W/m·K, ichivaita sarudzo inosarudzika yemamodules epamusoro-soro apo kupisa kwakanyanya kwakakosha. Silicon nitride (Si₃N₄) inosanganisa kuita kwakanaka kwekupisa nesimba rakatanhamara remuchina uye kuomarara kwekutsemuka, kunyanya kukosha mumotokari uye mumaindasitiri maapplication akaiswa pasi pekupisa bhasikoro uye kuvhunduka kwemuchina.

CTE Matching uye Magetsi Insulation

Iyo yakaderera coefficient yekuwedzera kwekupisa mumidziyo yeceramic inowirirana zvakanyanya neyesilicon semiconductor machipisi, kuderedza thermomechanical kushushikana panguva yekufamba tembiricha. Uku kuwirirana kweCTE kunoderedza kuneta kwakabatana uye kunodzivirira kutadza kwe delamination kunowanzo kutambudza simbi-musimboti PCBs ine mwero wekuwedzera usingaenzaniswi. Iyo yakakwira dielectric simba inogonesa kushanda kwakachengeteka pamavoltages akakwira uku uchichengetedza compact spacing pakati pepamusoro-inogoneka traces.

Ceramic PCBs ye LED Mwenje Systems

Machipisi e LED anouya akasiyana ekupisa matambudziko nekuda kweiyo yakadzika kupisa chizvarwa munzvimbo diki dzekusangana. Mazuva ano kupenya kwepamusoro-soro maLED anoshandura anopfuura makumi mashanu muzana emagetsi ekuisa mukupisa, aine tembiricha yejunction inokanganisa kubuda kwechiedza, kugadzikana kwemavara, uye kushanda kwehupenyu hwese. Traditional FR4 substrates inopa kudziya kwekushisa pazasi 0.5 W/m·K, ichigadzira mabhodhoro akanyanya ekupisa.

Thermal Performance mu LED Applications

Ceramic PCBs emagetsi emagetsi anogadzirisa zvipimo izvi nekupa kupisa kwekushisa kusvika 340 nguva dzakakwirira kupfuura FR4, zvichiita kuti iwedzere kupisa kubviswa kubva kumagetsi e LED kusvika kune kunze kwekupisa kunonyura. Kupararira kwepamusoro kupisa kunoderedza kupisa kwejunction ne30-50 ° C zvichienzaniswa nesimbi-core PCBs, zvakanyanya kuwedzera lumen kuchengetedza uye kuenderana kwemavara.

LED Application Domains

Nzvimbo dzekushandisa dzeceramic LED substrates dzinosanganisira:

• Motokari mberi mwenje -Marambi ekumusoro-akasimba uye anogadzirisa magetsi masisitimu anoda yakanyanya kupisa kuita uye kuramba vibration.
• Kunze kwekuratidzira mapaneru -Mahombe-fomati e LED skrini anoshanda munzvimbo dzakanyanyisa tembiricha ine zuva rakananga kuratidzwa.
• UV LED masisitimu -Kurapa michina uye sterilization application uko AlN substrates inogonesa yakakwira-simba UV kushanda.
• Horticultural kukura magetsi -Masisitimu ekurima echirimwa akakwenenzverwa anoda kuenderana kuburitswa kwekunze kwenguva yakareba yekushanda.

Ceramic PCBs yeSimba Electronics uye IGBT Modules

Mamodule eIGBT nepower MOSFET ndiwo anonyanya kushandiswa pakugadzira tekinoroji yePCB yeceramic, ine simba rinotangira pamazana ema watts kusvika pahuwandu hwe kilowatt mumapakeji akamanikana. Muma assemblies aya, ma ceramic substrates anoita mabasa matatu akakosha: kupa nzira huru yekupisa, kuchengetedza insulation yemagetsi pakati pema circuits ane voltage yakawanda uye nzvimbo dzekutonhodza dzakadzika pasi, uye kupa rutsigiro rwemakanika kune ma die attach ne wire bonding process.

Silicon Nitride Performance Advantages

Silicon nitride ceramic PCB inokunda mumagetsi module maapplication nekuda kwekusangana kwayo kwakasarudzika kwekupisa conductivity, simba remuchina, uye kupisa kutyisa kuramba. Izvo zvinhu zvinomira zvakadzokororwa simba bhasikoro pasina kugadzira microcracks, yakajairwa kutadza modhi mualumina substrates pasi pekupisa kwemafuta gradients.

Power Module Applications

Yakajairika mashandisirwo eceramic PCB mumagetsi emagetsi anosanganisira ma traction inverters emotokari dzemagetsi uye dzakasanganiswa, madhiraivha emota dzeindasitiri, solar inverters, zvivakwa zvekuchaja, magetsi asingapindiki, uye midziyo yewelding. Iwo ma substrates anogonesa compact module magadzirirwo nekubvisa epakati thermal interface zvinhu uye kuderedza kupisa kwekupisa pakati pe semiconductor junction uye kutonhora system.

Kuenzanisa Kwezvinhu: Ceramic PCB Substrate Sarudzo

Alumina Substrates

Zvishandiso zveAlumina zvinopa mhinduro inodhura zvakanyanya pamashandisirwo apo magetsi anorasika pasi pe50 W/cm² uye tembiricha yekushanda iri pasi pe200°C, zvichiita kuti zvikodzere madhiraivha eLED, ma converter ane simba shoma, uye ma electronics evatengi.

Aluminium Nitride Substrates

Aluminium nitride inova chinhu chinodiwa kana thermal conductivity ichitungamira dhizaini, kunyanya mumamodule emagetsi akazara kana ma LED arrays ane kupenya kwakanyanya uko tembiricha yejunction inofanira kuderedzwa. Kuvandudzwa kanomwe kwethermal conductivity pamusoro pealumina kunoratidza kuti mutengo wepamusoro mukushandiswa uko kuvimbika uye mashandiro ari zvakakosha.

Silicon Nitride Substrates

Silicon nitride inopa kushanda kwakanaka kwekupisa kupfuura alumina ine hunhu hwakanaka hwemakanika hunodzivirira kutyoka kana paine kuvhunduka kwekupisa uye kushushikana kwemakanika, zvichiita kuti ive sarudzo inosarudzwa yemagetsi emotokari nemaindasitiri uko kusimba kwakakosha.

Dhizaini uye Gungano Mafungiro eCeramic PCB

Kugadzira maPCB eceramic emagetsi emagetsi kunoshandisa matekinoroji maviri makuru esimbi: Direct Bonded Copper (DBC) uye Direct Plated Copper (DPC). Tekinoroji yeDBC inobatanidza mafoil emhangura akakora kune substrates dzeceramic kuburikidza nemaitiro ekupisa kwakanyanya, kazhinji zvichiita kuti mhangura ive yakakora kubva pa200 kusvika 400 micrometers yakakodzera kushandiswa kwemagetsi ane simba.

Thermal Expansion Management

Thermal yekuwedzera inofananidzwa pakati pezvishandiso mukati meiyo stack yegungano inoda kutarisisa panguva yekugadzira. Nepo ma substrates eceramic anonyatsoenderana nesilicon chip CTE, iyo yakasungwa mhangura mitsara inosuma kusawirirana iyo inoburitsa shear kushushikana panguva yekushisa bhasikoro. Vagadziri vanofanirwa kuzvidavirira nekuda kwekushushikana uku kuburikidza nekwakakodzera kusarudzwa kwemhangura ukobvu, kufa kubatanidza sarudzo yezvinhu, uye gungano process optimization.

Injiniya Rutsigiro uye Kusimbiswa

Highleap Electronics inopa yakazara dhizaini-ye-kugadzira wongororo yemapurojekiti eceramic PCB, kuongorora mhedzisiro yekuyedza yekunyepedzera, marongero emhangura, uye kuenderana kwemaitiro ekugadzira pamberi pekugadzira. Rutsigiro rwedu rweinjiniya runosanganisira kutungamira kwekusarudza zvinhu, prototype kusimbiswa neanopisa ekufungidzira uye kuvimbika kuyedzwa, uye mashandiro ekugadzirisa vhoriyamu.

mhedziso

Ceramic PCBs yemagetsi emagetsi inomiririra yakakosha tekinoroji yemazuva ano epamusoro-simba uye ma LED maapplication uko akajairwa substrates asingakwanisi kusangana nemafuta ekutonga zvinodiwa. Iyo yepamusoro yekupisa conductivity, yakanakisa magetsi ekudzivirira, uye yakasimba-yepamusoro-tembiricha kugona kwezvinhu zveceramic zvinoshandura zvakananga mukusimudzira kuvimbika kwehurongwa, mashandiro akawedzera, uye nekuwedzera hupenyu hwekushanda.

Highleap Electronics Ceramic PCB Kugona

• Multi-material hunyanzvi -Yakazara ceramic substrate mhinduro dzinosanganisira alumina, aluminium nitride, uye silicon nitride kune zvakasiyana zvinopisa uye zvemuchina zvinodiwa.
• Advanced metallization - DBC neDPC matekinoroji ane hukobvu hwemhangura kubva pamakumi matatu neshanu kusvika ku400 mamicrometer ekugonesa kutakura ikozvino.
• Kubatana kweinjiniya - DFM ongororo, yekupisa simulation kusimbiswa, kutungamira kwekusarudza zvinhu, uye kuvimbika kwekuyedza rutsigiro mukati mekukura.
• Kugadzirwa kwehuwandu -Scalable kugadzirwa kubva ku prototype kusvika kune yakakwira-vhoriyamu ine inowirirana mhando uye yakasimba maitiro ekutonga.

Bata Highleap Electronics kuti mukurukure kuti tekinoroji yePCB yeceramic inogona sei kuvandudza dhizaini yemagetsi emagetsi enyu uye kukurumidzisa nguva yekugadzira chigadzirwa chenyu nerutsigiro rwedu rwakakwana rwekugadzira nekugadzira.