Lehae> Litaba> Kenyelletso ea ho Ceramist ea koporo ea koporo ea koporo ea Ceramic (DBC).
November 27, 2023

Kenyelletso ea ho Ceramist ea koporo ea koporo ea koporo ea Ceramic (DBC).

Ts'ebetso ea DBC ea Scractrande ke ho eketsa likarolo tsa oksijene lipakeng tsa koporo le masela, fumana metsi ka mocheso oa 1065 ~ o amohela ho fumana motsoako oa 1065 ~ Cual2o4), joalo ka ha u bona ho kopana ea li-neretate tsa cu le tsa Ceramic tsa Ceraterig, 'me qetellong ka lithographin ea setšoantšong ho fihlela mokhoa oa ho hlophisa, o theha potoloho ea' nete.

Karolo ea PCB ea Ceramic e arotsoe likarolo tse 3, 'me thepa ea ho thibela bohareng ke Al2O3 kapa ALN. The thermal conductivity of Al2O3 is typically 24 W/(m·K), and the thermal conductivity of AlN is 170 W/(m·K). Sesebelisoa sa keketseho ea DBC sa Cermal se tšoana le sa Al2O3 / ANN, e ka fokotsang khatello ea kelello e tlisoang ke chip le ceramic ea sekheo substrate.


Merit :

Hobane sethala sa koporo se na le boitšoaro bo botle ba motlakase le boitšoaro bo matla ba motlakase, 'me alumina bo ka laolatoloso ea CU-al2O3-Cu rarahana, DBC e na le melemo ea motlakase Ho sebelisoa hampe, ho ts'oaroa ho matla le ho tšepahala ho phahameng, hape ho sebelisoa haholo IgBT, LD le SPV. Haholo-holo ka lebaka la foil e teteaneng ea coil (100 ~ 600μm), e na le menyetla e hlakileng lebaleng la lits'ireletso tsa Igbt le ld.

E sa lekana :

(1) Ts'ebetso ea litokisetso e sebelisa maikutlo a mantlha lipakeng tsa cu le al2O3 ka mocheso o phahameng (1065 ° C), e hlokang lisebelisoa le taolo e phahameng, e etsang litšenyehelo tsa substrate e phahameng;

(2) Ka lebaka la moloko o bonolo oa li-micropores pakeng tsa al23 le cu


Ts'ebetsong ea ho hlophisoa ha DBC Substrate, mocheso oa tutuctic le liqhatso tsa oxelagen li hloka ho laoloa ka kotloloho, 'me nako ea uxida e le likarolo tse peli tsa bohlokoahali. Kamora hore foil ea koporo e oxidided, mohloekisi oa bonono o ka theha karolo e lekaneng ea Cuxoy ho ea metsi a leoatle le foramo ea koporo, e nang le matla a phahameng a phahameng; Haeba foil ea koporo ha e felle pele, 'me ho na le bosholu ba cuxoy,' me palo e kholo ea likoti le bofokoli bo tla lula tsietsing, e jarolle matla a bolotsana le pherekano e khathollang. Bakeng sa ho hlophisoa ha DBC Hamka, ho boetse ho hlokahala hore a qoelle likhetho tsa felific, a felise lifilimi tsa Al2O3, ebe o arabela ka mefuta ea koporo bakeng sa karabelo ea koporo.

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