Li-PCB tsa Ceramic tsa Matla a Elektronike | Litharollo tsa Ts'ebetso e Phahameng

Selelekela

Litsamaisong tsa motlakase le tsa LED tse khanyang haholo, taolo e sebetsang hantle ea mocheso e bohlokoa bakeng sa ts'ebetso le ts'epo. Li-PCB tsa letsopa bakeng sa lisebelisoa tsa motlakase li fana ka conductivity e phahameng ea mocheso le ho thibela mocheso ha li bapisoa le li-PCB tsa setso tsa FR4 kapa tse thehiloeng tšepeng, e leng se etsang hore e be e loketseng libaka tse hlokang tlhokomelo e kholo joalo ka li-module tsa IGBT, li-converter tsa motlakase le litsamaiso tsa mabone a LED.

Ha matla a motlakase a ntse a eketseha ho lisebelisoa tsa morao-rao tsa elektroniki, mefokolo ea li-substrates tse tloaelehileng e ntse e bonahala haholoanyane. Li-substrates tsa Ceramic li sebetsana le mathata ana ka ho kopanya thepa e ntle ea mocheso le motlakase o matla le botsitso ba mochini, ho nolofalletsa baenjiniere ho sutumelletsa meeli ea ts'ebetso ha ba ntse ba boloka ts'epo ea nako e telele.

Hobaneng ha Tsamaiso ea Thermal e le Bohlokoa ho Power Electronics

Lisebelisoa tsa semiconductor tsa matla tse kang MOSFET, IGBTs, le li-LED tse nang le matla a phahameng li fetola karolo e kholo ea matla a motlakase mocheso nakong ea ts'ebetso. Ho limmojule tsa IGBT, tahlehelo ea ho fetoha le tahlehelo ea conduction e ka hlahisa mocheso o fetang 100 W/cm², ha li-chips tsa LED li fetolela ho feta 50% ea matla a tsona a ho kenya matla ho e-na le khanya e bonahalang.

Ntle le taolo e lekaneng ea mocheso, lithempereichara tsa mateano li ka feta meeli e sireletsehileng ea ts'ebetso, e lebisang ho ho hoholeha ha parametric, ho fokotsa lebelo la ho switjha, 'me qetellong ho hloleha ho ba kotsi. Li-Ceramic PCBs bakeng sa lisebelisoa tsa elektroniki tsa motlakase li fana ka tsela ea bohlokoa ea mocheso ho qhala mocheso ona hantle, ho boloka lithempereichara tsa mateano ka har'a mekhahlelo e amohelehang le ho netefatsa ts'ebetso e tsitsitseng nakong eohle ea bophelo ba sehlahisoa.

Lintho tsa mantlha tsa li-PCB tsa Ceramic bakeng sa Motlakase oa Motlakase le Lisebelisoa tsa LED

Ts'ebetso e phahameng ea li-PCB tsa ceramic bakeng sa lisebelisoa tsa elektroniki tsa motlakase li tsoa ho thepa e 'maloa ea bohlokoa e sebetsanang ka kotloloho le liphephetso tsa mocheso le motlakase lits'ebetsong tsa matla a phahameng:

Melemo ea Ts'ebetso ea Thermal

Li-substrates tsa Aluminium nitride (AlN) li fana ka mokhoa o ikhethang oa mocheso o atamelang 170 W/m·K, e leng se etsang hore e be khetho e ratoang bakeng sa li-module tsa matla a phahameng haholo moo mocheso o phahameng oa mocheso o leng bohlokoa. Silicon nitride (Si₃N₄) e kopanya ts'ebetso e ntle ea mocheso le matla a ikhethang a mochini le ho tiea ha fracture, e bohlokoa haholo lits'ebetsong tsa likoloi le tsa indasteri tse tlas'a ts'ebetso ea libaesekele tse futhumetseng le ts'oenyeho ea mochini.

Matching CTE le Motlakase Insulation

Coefficient e tlase ea katoloso ea mocheso lisebelisoa tsa ceramic e tšoana hantle le ea silicon semiconductor chips, e fokotsang khatello ea mocheso nakong ea maeto a mocheso. Khokahano ena ea CTE e fokotsa mokhathala o kopaneng oa solder mme e thibela mefokolo ea delamination eo hangata e hlaselang li-PCB tsa tšepe tse nang le litekanyetso tse sa tsamaellaneng tsa katoloso. Matla a phahameng a dielectric a nolofalletsa ts'ebetso e bolokehileng maemong a phahameng ha a ntse a boloka sebaka se kopaneng lipakeng tsa mesaletsa e ka bang teng haholo.

Li-PCB tsa Ceramic bakeng sa Lisebelisoa tsa Leseli tsa LED

Li-chips tsa LED li fana ka liphephetso tse ikhethang tsa mocheso ka lebaka la mocheso oa tsona o matla oa mocheso libakeng tse nyane tsa mateano. Li-LED tsa sejoale-joale tse khanyang haholo li fetolela ho feta 50% ea matla a motlakase a kenang mochesong, 'me mocheso oa mateano o ama ka kotloloho tlhahiso ea leseli, botsitso ba mebala le bophelo bohle ba ts'ebetso. Li-substrates tsa khale tsa FR4 li fana ka tsamaiso ea mocheso e ka tlase ho 0.5 W/m·K, e bakang mathata a matla a mocheso.

Ts'ebetso ea Thermal ho Lisebelisoa tsa LED

Li-PCB tsa Ceramic bakeng sa lisebelisoa tsa elektronike tsa matla li sebetsana le mefokolo ena ka ho fana ka conductivity ea mocheso ho fihlela makhetlo a 340 ho feta FR4, e leng se nolofalletsang ho ntša mocheso o potlakileng ho tloha ho li-junctions tsa LED ho ea ho litepisi tsa mocheso tse ka ntle. Ho ata ha mocheso o phahameng ho fokotsa mocheso oa mateano ka 30-50 ° C ha ho bapisoa le li-PCB tsa tšepe, ho atolosa haholo tlhokomelo ea lumen le ho tsitsa ha mebala.

Libaka tsa Ts'ebeliso ea LED

Libaka tsa kopo bakeng sa li-substrates tsa ceramic LED li kenyelletsa:

• Ho khantša pele ka likoloi - Li-headlamp tse matla haholo le lisebelisoa tsa mabone tse feto-fetohang tse hlokang ts'ebetso e phahameng ea mocheso le ho hanyetsa ho sisinyeha.
• Liphanele tse bonts'ang ka ntle - Lits'oants'o tse kholo tsa LED tse sebetsang maemong a mocheso o feteletseng ka khanya ea letsatsi.
• Sistimi ea UV ea LED - Ho phekola lisebelisoa le lits'ebetso tsa sterilization moo li-substrates tsa AlN li nolofalletsang ts'ebetso ea UV e matla haholo.
• Horticultural holisa mabone - Litsamaiso tsa temo ea limela tse sebetsang hantle haholo tse hlokang tlhahiso e tsitsitseng ea nako e telele ea ts'ebetso.

Li-PCB tsa Ceramic tsa Power Electronics le IGBT Modules

Di-module tsa IGBT le power MOSFET di emela tshebediso e batlwang haholo bakeng sa theknoloji ya PCB ya ceramic, ka matla a mangata a tlohang ho di-watt tse makgolo a mmalwa ho isa ho maemo a kilowatt ka hara dipakete tse nyane. Dikopanong tsena, di-substrate tsa ceramic di sebeletsa mesebetsi e meraro ya bohlokwa: ho fana ka tsela ya mantlha ya ho tsamaisa mocheso, ho boloka ho kwahela motlakase pakeng tsa dipotoloho tse nang le motlakase o phahameng le di-interface tsa ho phodisa tse thellang fatshe, le ho fana ka tshehetso ya mechini bakeng sa ditshebetso tsa ho kopanya die attach le terata.

Silicon Nitride Performance Melemo

Silicon nitride ceramic PCB e ipabola lits'ebetsong tsa mojule oa matla ka lebaka la motsoako oa eona o ikhethang oa conductivity ea mocheso, matla a mochini, le ho hanyetsa mocheso oa mocheso. Thepa e mamella ho palama baesekele khafetsa ntle le ho hlahisa li-microcracks, mokhoa o tloaelehileng oa ho hloleha ho li-alumina substrates tlas'a li-gradients tse matla tsa mocheso.

Lisebelisoa tsa Module ea Matla

Lisebelisoa tse tloaelehileng tsa ceramic PCB ka lisebelisoa tsa elektroniki tsa motlakase li kenyelletsa li-inverters tsa motlakase le likoloi tse nyalisitsoeng, li-drive tsa liindasteri, li-inverter tsa solar, lisebelisoa tsa ho tjhaja, lisebelisoa tsa motlakase tse ke keng tsa senyeha le lisebelisoa tsa ho tjheseletsa. Li-substrates li thusa meralo ea mojule oa compact ka ho felisa lisebelisoa tse mahareng tsa mocheso le ho fokotsa ho hanyetsa mocheso lipakeng tsa semiconductor junction le sistimi e pholileng.

Papiso ea lintho tse bonahalang: Ceramic PCB Substrate Selection

Lisebelisoa tsa Alumina

Lisebelisoa tsa alumina li fana ka tharollo e theko e tlaase ka ho fetisisa bakeng sa lits'ebetso moo ho qhalana ha motlakase ho lulang ho le ka tlase ho 50 W/cm² 'me mocheso oa ts'ebetso o lula o le ka tlase ho 200°C, e leng se etsang hore li lokele bakhanni ba LED, li-converter tsa motlakase o tlase, le lisebelisoa tsa elektroniki tsa bareki.

Aluminium Nitride Substrates

Aluminium nitride e ba ea bohlokoa ha motlakase o tsamaisang motlakase o khanna moralo, haholo-holo li-module tse nang le motlakase o mongata kapa li-LED tse khanyang haholo moo mocheso oa li-junction o lokelang ho fokotsoa. ​​Ntlafatso ea makhetlo a supileng motlakaseng o tsamaisang motlakase holim'a alumina e lokafatsa litšenyehelo tsa bohlokoa lits'ebetsong moo botšepehi le ts'ebetso li leng tsa bohlokoa.

Silicon Nitride Substrates

Silicon nitride e fana ka ts'ebetso e betere haholo ea mocheso ho feta alumina ka thepa e phahameng ea mechini e hanelang ho robeha tlas'a ho thothomela ha mocheso le khatello ea mechini, e leng se etsang hore e be khetho e ratoang bakeng sa li-module tsa motlakase tsa likoloi le tsa indasteri moo ho tiea ho leng bohlokoa.

Mehopolo ea Moralo le Kopano bakeng sa Ceramic PCB

Ho etsa li-PCB tsa letsopa bakeng sa lisebelisoa tsa motlakase tsa motlakase ho sebelisa mahlale a mabeli a mantlha a metallization: Koporo e Kopantsoeng ka ho Otloloha (DBC) le Koporo e Tšetsoeng ka ho Otloloha (DPC). Theknoloji ea DBC e kopanya lifoile tse teteaneng tsa koporo le li-substrate tsa letsopa ka mokhoa oa oxidation oa mocheso o phahameng, hangata e fihlella botenya ba koporo ho tloha ho li-micrometer tse 200 ho isa ho tse 400 tse loketseng lits'ebetso tsa motlakase o phahameng.

Tsamaiso ea Katoloso ea Mocheso

Khokahano ea katoloso ea mocheso lipakeng tsa lisebelisoa ho pholletsa le pokello ea kopano e hloka tlhokomelo e hlokolosi nakong ea moralo. Le ha likaroloana tsa ceramic li ts'oana haufi-ufi le silicon chip CTE, likarolo tsa koporo tse tlanngoeng li hlahisa ho se lumellane ho bakang khatello ea ho kuta nakong ea ho palama baesekele. Baqapi ba tlameha ho ikarabella bakeng sa khatello ena ka khetho e nepahetseng ea botenya ba koporo, khetho ea thepa e hokahaneng, le ntlafatso ea ts'ebetso ea kopano.

Tšehetso ea Boenjiniere le Tlhokomelo

Highleap Electronics e fana ka tlhahlobo e felletseng ea boqapi bakeng sa merero ea PCB ea ceramic, ho lekola liphetho tsa papiso ea mocheso, meralo ea mohlala ea koporo, le ts'ebetso ea kopano pele ho etsoa mohlala. Ts'ehetso ea rona ea boenjiniere e kenyelletsa tataiso ea khetho ea thepa, netefatso ea prototype e nang le litšoantšo tse futhumetseng le tlhahlobo ea ts'epo, le ts'ebetso ea ts'ebetso bakeng sa tlhahiso ea molumo.

fihlela qeto e

Li-PCB tsa Ceramic bakeng sa lisebelisoa tsa elektroniki tsa motlakase li emela theknoloji ea bohlokoa e nolofalletsang lisebelisoa tsa sejoale-joale tsa matla a phahameng le a LED moo li-substrates tse tloaelehileng li sa khoneng ho fihlela litlhoko tsa taolo ea mocheso. Ts'ebetso e phahameng ea mocheso, ho kenya motlakase o motle haholo, le matla a matla a mocheso a phahameng a lisebelisoa tsa ceramic li fetolela ka kotloloho ho ts'epahalo e ntlafalitsoeng ea sistimi, ts'ebetso e ntlafalitsoeng, le bophelo bo atolositsoeng ba ts'ebetso.

Matla a Highleap Electronics Ceramic PCB

• Tsebo ea lintho tse ngata - Litharollo tse felletseng tsa ceramic substrate ho kenyelletsa alumina, aluminium nitride, le silicon nitride bakeng sa litlhoko tse fapaneng tsa mocheso le mochini.
• Metallization e tsoetseng pele - Ka bobeli litheknoloji tsa DBC le DPC tse nang le botenya ba koporo ho tloha ho li-micrometer tse 35 ho isa ho tse 400 bakeng sa bokhoni bo nepahetseng ba ho jara hona joale.
• Tšebelisano ea boenjiniere - Tlhahlobo ea DFM, netefatso ea papiso ea mocheso, tataiso ea khetho ea thepa, le ts'ehetso ea tlhahlobo ea ho ts'epahala ho nts'etsopele eohle.
• Ho hlahisa molumo - Tlhahiso e ka fokotsoang ho tloha ho prototype ho ea bophahamong bo phahameng ka boleng bo tsitsitseng le taolo e matla ea ts'ebetso.

Ikopanye le Highleap Electronics ho buisana ka hore na theknoloji ea ceramic PCB e ka ntlafatsa moralo oa hau oa lisebelisoa tsa elektroniki tsa motlakase joang le ho potlakisa nako ea nts'etsopele ea sehlahisoa sa hau ka tšehetso ea rona e felletseng ea tlhahiso le boenjiniere.