Aluminium nitride ceramic PCB

 

Aluminium nitride ceramic ke mofuta oa thepa ea ceramic e nang le aluminium nitride (AIN) joalo ka karolo ea mantlha ea kristale. Etching oa potoloho ea tšepe ka aluminium nitride ceramic substrate ke aluminium nitride ceramic substrate.

1. Aluminium nitride ceramic ke ceramic e nang le aluminium nitride (AIN) e le karolo e ka sehloohong ea kristale.

2. Ain crystal e nka (ain4) tetrahedron e le yuniti ea mohaho, motsoako oa covalent bond, o na le sebopeho sa wurtzite mme ke oa tsamaiso ea hexagonal.

3. Motsoako oa lik’hemik’hale ai65 81%, N34. 19%, matla a khoheli a itseng 3.261g/cm3, bosoeu kapa bohlooho bo bosoeu, kristale e le ‘ngoe e se nang mebala ebile e pepenene, mocheso oa sublimation le ho bola tlas’a khatello e tloaelehileng ke 2450 ℃.

4. Aluminium nitride ceramic ke thepa e thibelang mocheso e phahameng ea mocheso e nang le coefficient ea ho atolosa mocheso oa (4.0-6.0) x10 (- 6) / ℃.

5. Polycrystalline ain e na le conductivity ea mocheso ea 260W / (mk), e leng makhetlo a 5-8 ho feta ea alumina, kahoo e na le mocheso o motle oa ho hanyetsa mocheso ‘me o ka mamella mocheso o phahameng oa 2200 ℃.

6. Li-ceramics tsa aluminium nitride li na le khanyetso e ntle ea kutu.

 

 

 

Ceramic circuit board e na le thepa e ntle ea maqhubu le motlakase, ‘me e na le thepa eo li-substrates tsa organic li se nang eona, joalo ka conductivity e phahameng ea mocheso, botsitso bo botle ba lik’hemik’hale le botsitso ba mocheso. Ke thepa e loketseng ea ho paka bakeng sa moloko o mocha oa lipotoloho tse kholo tse kopaneng le li-module tsa elektroniki tsa matla.

Lisebelisoa tsa semiconductor tse hlokoang ke lits’ebeletso tsa bolulo le lisebelisoa tsa indasteri li ntse li tsoela pele ka potlako, ka tšebeliso e matla ea matla, ho kopanya ka tekanyo e phahameng le modularization, ntlha e phahameng ea tšireletso le ts’ebetso e hlokolosi. Ka hona, ho lokisoa ha lisebelisoa tse phahameng tsa mocheso oa mocheso e ntse e le bothata bo potlakileng bo lokelang ho rarolloa ho fihlela joale. Li-ceramics tse thehiloeng ho nitride ea aluminium li na le thepa e phethahetseng ka ho fetesisa. ‘Me ka mor’a liteko tse sa tšoaneng, butle-butle e hlahile ponong ea batho,’ me tšimo e kholo ka ho fetisisa ea kopo ke lihlahisoa tsa LED tse nang le matla a phahameng.
Joalo ka tsela e ka sehloohong ea phallo ea mocheso, boto ea potoloho ea aluminium nitride ceramic e bohlokoa ts’ebelisong ea liphutheloana tsa matla a phahameng a LED. E phetha karolo ea bohlokoa haholo ho ntlafatsa katleho ea mocheso oa mocheso, ho fokotsa mocheso oa matekoane le ho ntlafatsa ho tšepahala le bophelo ba tšebeletso ea sesebelisoa.

Boto ea potoloho ea pholileng ea LED e arotsoe haholo ka: boto ea potoloho ea lijo-thollo tsa LED le boto ea potoloho ea sistimi. Boto ea potoloho ea lijo-thollo tsa LED e sebelisoa haholo-holo e le mokhoa oa ho romela thepa ea mocheso pakeng tsa lijo-thollo tsa LED le boto ea potoloho ea tsamaiso, e kopantsoeng le lijo-thollo tsa LED ka mokhoa oa ho taka terata, eutectic kapa cladding.

Ka nts’etsopele ea matla a matla a LED, boto ea potoloho ea ceramic ke boto e kholo ea potoloho e ipapisitseng le ho nahanoa ka phallo ea mocheso: ho na le mekhoa e meraro ea setso ea ho itokisa ea potoloho e matla haholo:

1. Boto ea ceramic e teteaneng ea filimi

2. Mocheso o tlaase co fired multilayer ceramics

3. Thin filimi ceramic potoloho boto

E ipapisitse le mokhoa oa ho kopanya oa lijo-thollo tsa LED le boto ea potoloho ea ceramic: terata ea khauta, empa khokahanyo ea terata ea khauta e fokotsa ts’ebetso ea phallo ea mocheso ka har’a khokahano ea elektrode, ka hona e kopana le bothata ba ho felloa ke mocheso.

Aluminium nitride ceramic substrate e tla nkela boto ea potoloho ea aluminium sebaka ‘me e be mookameli oa matla a phahameng a maraka a LED nakong e tlang.