Ho kenella ka har'a li-PCB tsa Ceramic: Mefuta le Litšobotsi tsa Lintho

Li-PCB tsa Ceramic , tse tsejoang hape e le lisebelisoa tsa potoloho ea ceramic hybrid, li fetohile tekanyetso ea indasteri bakeng sa likarolo tsa motlakase. Qalong li ne li sebelisoa ho li-capacitor tsa ceramic, theknoloji ena joale e sebelisoa lits'ebetsong tse fapaneng ka lebaka la litšobotsi tsa thepa ea ceramic, e leng se etsang hore li tšoarelle, li tšepahale, 'me e be mokhoa o motle oa ho sebelisa likarolo tsa motlakase tsa setso. Sengoloa sena se hlahloba thepa, mefuta, melemo le mefokolo ea li-PCB tsa ceramic, se fana ka temohisiso mabapi le tlhahiso le ho fumana ha tsona.

Ceramic PCB ke eng?

Boto ea potoloho e hatisitsoeng ka ceramic ke mofuta oa PCB e entsoeng ka motheo oa thepa ea ceramic kapa substrate, hangata e le inorganic dielectric, ho fapana le fiberglass ea setso kapa epoxy resin base. E na le lera le tšesaane le sireletsang la thepa ea ceramic e nang le karolo ea tšepe.

Likarolo tsa Motheo tsa li-PCB tsa Ceramic

Lipotoloho tse kopantsoeng li se li kopantsoe haholo, ka theknoloji ea morao-rao le lisebelisoa tsa elektronike tse nang le li-transistors le li-resistor tse makholo kapa tse likete ka har'a kopano e rarahaneng e hahiloeng holim'a silicon chip kapa potoloho e kopantsoeng (IC). Lipotoloho tsena tse kopantsoeng li hloka setsi kapa substrate moo lisebelisoa tse nyane tsa elektroniki le likhokahano li hahuoang, hammoho le sebopeho se arohanyang potoloho ho tsoa tikolohong ea eona e kantle, ho e fetola yuniti e kopaneng le e tiileng e tsejoang e le sephutheloana. Li-substrates le liphutheloana li bohlokoa bakeng sa ho boloka botšepehi ba lipotoloho tse kopantsoeng, ho fana ka insulation le tšireletso.

Lisebelisoa tsa letsopa li tsebahala ka thepa ea tsona ea ho thibela mocheso, e leng se etsang hore li be ntle bakeng sa li-substrate le liphutheloana lipotolohong tse kopantsoeng. Ts'ebetso ea tsona e ntle ea ho tsamaisa mocheso le ho tiea ha khase li etsa hore li lokele lits'ebetso tsa motlakase oa motlakase, li-microelectronics tse kopantsoeng, liphutheloana tsa elektronike le li-module tsa li-chip tse ngata, haholo-holo liindastering tse kang tsa lifofane le tsa likoloi tse hlokang meralo ea potoloho ea matla a phahameng libakeng tse thata. Lisebelisoa tsa substrate tsa PCB tsa letsopa li sebelisoa lits'ebetsong tsa mocheso o phahameng moo li-PCB tse tloaelehileng li ke keng tsa mamella mocheso.

Lisebelisoa tse Sebelisitsoeng ka Ceramic PCBs

Lisebelisoa tse fapaneng tsa ceramic li sebelisoa ho etsa li-PCB tsa ceramic, tse nang le conductivity ea mocheso le coefficient of thermal expansion (CTE) e le litšobotsi tsa bohlokoa tse lokelang ho nahanoa. Mehlala ea thepa ea substrate e kenyelletsa alumina kapa aluminium oxide (Al₂O₃), aluminium nitride (AlN), beryllia kapa beryllium oxide (BeO), silicon carbide (SiC), le boron nitride (BN).

Aluminium oxide (Al₂O₃)

Aluminium oxide, eo hape e tsejoang e le alumina, ke motsoako oa inorganic o entsoeng ka aluminium le oksijene. Ke insulator e babatsehang ea motlakase e nang le matla a phahameng a matla a motlakase a ka bang 1 × 1014 Ω·cm. Ka botsitso bo ikhethang ba mocheso le kutu, matla a mochini le a dielectric, le bokhoni ba ho etsa litiiso tse se nang moea, alumina e sebelisoa hangata ho lisebelisoa tsa elektroniki bakeng sa li-substrates le liphutheloana, e fanang ka conductivity ea mocheso ea 25.0 W/(m·K) le CTE ea 4.5 ho 10.9 x 10-6/K.

Aluminium Nitride (AlN)

Aluminium nitride ke thepa ea ceramic e seng ea oxide, ea semiconductor ea boemo ba tekheniki e nang le resistivity ea motlakase ea 10 ho isa ho 12 10x Ω-m le conductivity ea mocheso ea 80 ho isa ho 200 W/(m·K). E na le coefficient e tlase ea katoloso ea mocheso (CTE) ea 4 ho 6 × 10-6K1, e etsang hore e tšoanelehe bakeng sa maemo a holimo le a mocheso o phahameng.

Beryllium oxide (BeO)

Beryllium oxide, kapa beryllia, e nkiloe ho beryl kapa mineral bromellite. E na le conductivity e phahameng ea mocheso ea 209 ho isa ho 330 W/(m·K) le CTE ea 7.4 ho isa ho 8.9 x 10-6/K, e leng se etsang hore e be ntle bakeng sa lits'ebetso tse hlokang moea kapa ho pholisetsa metsi ka har'a li-PCB tse nang le mocheso o phahameng kapa tse nang le bongata bo phahameng.

Melemo le Mefokolo ea li-PCB tsa Ceramic

Melemo ea li-Ceramic PCBs

Li-PCB tsa Ceramic li fana ka melemo e mengata ho feta li-PCB tsa setso, ho kenyelletsa:

1. High Thermal Conductivity: Ho tloha ho 25 ho ea ho 330 W / (m·K), li-PCB tsa ceramic li senya mocheso ka katleho, li thibela ho senyeha ho tloha mocheso o phahameng.
2. Tlas'a Coefficient of Thermal Expansion (CTE): Ka li-bond tse tiileng tsa interatomic, li-PCB tsa ceramic li lula li tsitsitse ebile li tsitsitse esita le tlas'a mocheso o fetohang.
3. Mocheso o Molemohali oa Thermal Insulation: Mocheso ha o na monyetla oa hore o phalle ka har'a substrate, o sireletsa likarolo ho senya.
4. Lintho tse Inorganic: Li-PCB tsa Ceramic li fana ka khanyetso ea nako e telele ea lik'hemik'hale le ho tšoarella.
5. Multi-Layering: E ​​lumella mesebetsi e rarahaneng le lits'ebetso tse boima.
6. Bokhoni ba Maqhubu a Phahameng: E ​​loketse lits'ebetso tse hlokang data ea maqhubu a holimo le phetiso ea matšoao a motlakase.
7. Katleho ea Litšenyehelo: Ho sa tsotellehe litšenyehelo tsa pele, li-PCB tsa ceramic li fana ka ts'ebetso e ntlafetseng le bophelo bo bolelele ba tšebeletso, ho fokotsa litšenyehelo tsa tsamaiso ka kakaretso ha li bapisoa le li-PCB tsa tšepe.

Litšitiso tsa li-Ceramic PCBs

Le ha li-PCB tsa ceramic li fana ka melemo e mengata, ho na le litšitiso tse ling tseo u ka li nahanang:

1. Ho sebetsana le: Li-PCB tsa Ceramic li ka ba bonolo 'me tsa hloka ho tšoaroa ka mokhoa o khethehileng nakong ea kopano le tlhahlobo.
2. Ho khonahala: Le hoja e le litšenyehelo tsa nako e telele, li-PCB tsa ceramic qalong li theko e boima ho feta li-PCB tsa setso ka lebaka la thepa e khethehileng ea tlhahiso le thepa.

Mefuta ea li-PCB tsa Ceramic

Li-PCB tsa Ceramic li etsoa ka mekhoa e fapaneng, e hlahisang mefuta e fapaneng ho latela mekhoa ea bona ea tlhahiso. Mefuta e tloaelehileng e kenyelletsa:

• Laser Activation Metallization PCB (LAM PCB): E sebelisa mochini oa laser o matla haholo ho etsa ionize ntho ea ceramic le tšepe, ho theha sehokelo kapa sehokelo se tebileng bakeng sa sebopeho se boreleli sa bokaholimo.
• Direct Plate Copper PCB (DPC PCB): E sebelisa mokhoa oa 'mele oa ho beha mouoane (PVD) ho kopanya koporo le li-substrates ka mocheso o phahameng le likhatello, ka bophara ba koporo ea 10 μm ho ea ho 140 μm.
• Direct Bonded Copper PCB (DBC PCB): E hlahisa oksijene lipakeng tsa koporo le ceramic pele kapa nakong ea deposition, e loketseng botenya bo phahameng ba koporo ba 140 μm ho isa ho 350 μm.
• Low-Temperature Co-fired Ceramic PCB (LTCC PCB): E kopanya ntho ea ceramic le thepa ea khalase ho etsa li-PCB tse nang le thepa e ntle ea mocheso le motlakase.
• High-Temperature Co-fired Ceramic PCB (HTCC PCB): E entsoe ka thepa e tala ea ceramic substrate ntle le ho eketsa khalase, e besitsoeng mocheso oa 1600-1700 °C bakeng sa ho sebelisoa libakeng tse thata.
• Thick Film Ceramic PCB: E behiloe ka mocheso o phahameng sebakeng sa naetrojene ka mor'a ho koahela motheo oa ceramic ka dielectric, khauta, silevera, kapa koporo, e loketseng lits'ebetso tse sa utloeng bohloko ha oxidation.

Nako ea ho Sebelisa Ceramic PCBs

Li-PCB tsa Ceramic li loketse lits'ebetso tse hlokang ho hanyetsa mocheso o phahameng, ho tšoarella, le ho ts'epahala. Li loketse ho sebelisoa libakeng tse thata, meralo ea potoloho ea matla a matla, le lisebelisoa tse phahameng tsa mocheso moo li-PCB tsa setso li ka 'nang tsa se ke tsa mamella maemo. Nahana ka litšenyehelo, boima, le litlhoko tsa ho tsamaisa mocheso tsa projeke ea hau ha u etsa qeto ea hore na li-PCB tsa ceramic ke khetho e nepahetseng.

Ts'ebetso e ntle ea mocheso oa li-PCB tsa ceramic li li etsa hore li tšoanelehe bakeng sa lits'ebetso moo ho felloang ke mocheso ho leng bohlokoa. Ho feta moo, matla a tsona a phahameng a mochini le ho hanyetsa lik'hemik'hale le kutu li etsa hore li tšoanelehe ho sebelisoa libakeng tse boima. Leha ho le joalo, li-PCB tsa ceramic li atisa ho bitsa chelete e ngata le boima ho feta li-PCB tsa setso, kahoo ho bohlokoa ho lekanya lintlha tsena khahlanong le melemo eo li fanang ka eona bakeng sa kopo ea hau e khethehileng.

Moo U ka Fumanang li-PCB tsa Ceramic

Li-PCB tsa Ceramic li fumaneha ho tsoa mehloling e fapaneng, inthaneteng le kantle ho naha. Likhamphani tse kang Highleap Electronic li fana ka lits'ebeletso tsa tloaelo tsa tlhahiso ea PCB ea ceramic, e lumellang bareki ho hlophisa litaelo tsa bona ho latela litlhoko tse itseng. Mabenkele a lehae a lisebelisoa tsa elektroniki le ona a ka nka li-PCB tsa ceramic, leha khetho e ka fokotsoa. Barekisi ba marang-rang ba kang AliExpress le Alibaba hangata ba na le mefuta e mengata ea li-PCB tsa ceramic tse fumanehang bakeng sa ho reka.

Ha u batla li-PCB tsa ceramic, ho bohlokoa ho sebetsa ka hloko ho netefatsa hore o sebetsana le mofani oa thepa ea tsebahalang. Lintlha tse lokelang ho nahanoa li kenyelletsa rekoto ea morekisi, boleng ba lihlahisoa tsa bona, le bokhoni ba bona ba ho fihlela litlhoko tsa hau tse ikhethileng. Ho feta moo, nahana ka lintlha tse kang boholo ba odara, mofuta oa thepa, le litšenyehelo tsa thomello ha u etsa qeto. Ka ho lekola lintlha tsena ka hloko, u ka fumana morekisi ea tšepahalang bakeng sa litlhoko tsa hau tsa ceramic PCB.

fihlela qeto e

Li-PCB tsa Ceramic li fetohile maemo a indasteri bakeng sa likarolo tsa motlakase ka lebaka la ho tšoarella ha tsona, ho ts'epahala, le ts'ebetso e phahameng ha e bapisoa le li-PCB tsa setso. Ho utloisisa lisebelisoa, mefuta, melemo le mathata a li-PCB tsa ceramic ho ka u thusa ho etsa liqeto tse nepahetseng mabapi le tšebeliso ea tsona mererong ea hau. Hore na o batla ho hanyetsa mocheso o phahameng, conductivity ea mocheso, kapa ho tšoarella, li-PCB tsa ceramic li fana ka tharollo e sebetsang bakeng sa lits'ebetso tse fapaneng indastering ea lisebelisoa tsa elektroniki.