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Metal Core PCB, MCPCB, Thermal Conductive PCB Material Guide

Metal Core Printed Circuit Boards (MCPCBs)

Dumelang, re a le amohela lefatsheng le kgahlehang la Metal Core Printed Circuit Boards (MCPCBs) ! Di-PCB tse tlwaelehileng di sebedisa motheo wa dielectric wa FR4 , empa di-MCPCB di fapane. Di sebedisa substrate ya tshepe , jwalo ka aluminium, koporo, kapa di-alloy tsa tshepe, e le lera le bohareng. Sebopeho sena se ikgethang se dumella di-MCPCB ho ntsha mocheso o hlahiswang ke dikarolo tsa elektroniki tse matla haholo hantle, kahoo di bohlokwa haholo dibakeng tse hlokang taolo e tswetseng pele ya mocheso!

Tlhalosong e latelang e qaqileng, re tla bua ka lisebelisoa tse sa tšoaneng tsa tšepe tse sebelisoang ho MCPCBs, re bapise litšobotsi tsa tsona, 'me re bone hore na li na le melemo efe. Hape, re tla bua ka lits'ebetso tsa bona tsa tlhahiso, lits'ebetso tse ikhethileng, le mokhoa oa ho khetha li-MCCBB tse nepahetseng bakeng sa projeke ea hau.

Ho Utloisisa Lintho Tsa Bohlokoa

Aluminium Core MCPCB

Aluminium e hlahella e le thepa ea mantlha e sebelisoang haholo ho MCPCBs ka lebaka la ho leka-lekana ha eona ha ho tsamaisoa ha mocheso, ho sebetsa hantle ha litšenyehelo , le ho khona ho etsoa.

Matlo

Matlafatso a Thermal: 130 W / mK
Coefficient of Thermal Expansion (CTE): 23 ppm/°C
Botenya: 2.7 g, / cm³
Mocheso o Khethehileng: 0.9 J/g°C

Litšobotsi Tsa Sehlooho

Ho senya mocheso o babatsehang
E bobebe ebile e ka sebelisoa hape
Ho bonolo ho etsa le ho phunya
E boloka chelete ebile e fumaneha hohle

Tloaelehileng Botenya Range

0.5mm ho 6mm (1mm ho 2mm e tloaelehileng)

dikopo

Copper Core MCPCB

Koporo e fana ka conductivity e ke keng ea lekanngoa ea mocheso, e leng se etsang hore e be se loketseng bakeng sa ho batla lisebelisoa tsa mocheso moo ho senya mocheso ho leng bohlokoa.

Matlo

Matlafatso a Thermal: 400 W / mK
CTE: 17 ppm/°C
Botenya: 8.9 g, / cm³
Mocheso o Khethehileng: 0.39 J/g°C

melemo e

Mocheso o ikhethang oa conductivity
E lumellana le mekhoa e tloaelehileng ea PCB
E ka sebelisoa ka solder e phahameng ea mocheso

Tloaelehileng Botenya Range

0.25mm ho 4mm (0.5mm ho 2mm e tloaelehileng)

dikopo

Lebone la LED le nang le matla a phahameng
Li-amplifiers tsa RF
Li-module tsa motlakase
Sistimi ea khomphutha e matla haholo

Tšepe Alloy Core MCPCB

Lisebelisoa tsa tšepe li fana ka tekanyo pakeng tsa litšenyehelo le ts'ebetso ea mocheso, ho fana ka mokhoa o mong o sebetsang ho aluminium le koporo.

Matlo

Matlafatso a Thermal: Ho fihla ho 65 W/mK
CTE: 10-15 ppm/°C
Botenya: 7-8 g/cm³
Mocheso o Khethehileng: 0.44-0.46 J/g°C

melemo e

E ntlafalitse ho tsamaisa mocheso holim'a aluminium
E theko e tlaase ho feta koporo
Matla a phahameng ka botenya bo tšesaane

Tloaelehileng Botenya Range

0.1mm ho 3mm (0.2mm ho 0.5mm e tloaelehileng)

dikopo

lighting LED
Lisebelisoa tsa elektronike tsa indasteri
Litsamaiso tsa telecom
Kfz-Händler

Ho bapisa Metal Core PCB Materials

Ho bapisa thepa ea bohlokoa ea lisebelisoa tsa mantlha tsa tšepe tsa PCB:

Tataiso ea ho Khetha Lintho

Aluminium: Molemo ka ho fetisisa bakeng sa lits'ebetso tse tsamaellanang le litšenyehelo tse hlokang mocheso oa mocheso o ka holimo ho 130 W/mK.
koporo: E loketse lits'ebetso moo mocheso o phahameng oa mocheso o leng bohlokoa.
Alloy ea tšepe: E loketse lisebelisoa tsa boima ba 'mele le tse theko e boima tse hlokang ts'ebetso e phahameng ea mocheso ho feta aluminium.

Metal Core PCB

Lintlha tsa Moralo bakeng sa Metal Core PCBs (MCPCBs)

Ts'ebetso le ts'epahalo ea li-PCB tsa Metal Core li itšetlehile ka ho shebisisa lintlha tse 'maloa tsa moralo:

Keketseho ea Thermal

Coefficient of thermal expansion (CTE) e emela tekanyo eo thepa e atolohang kapa e etsang likonteraka ho latela liphetoho tsa mocheso. Ho li-MCPCB, li-CTE tse sa lumellaneng lipakeng tsa mantlha tsa tšepe le likarolo tse ling li ka lebisa litabeng tsa meralo:

Khetho ea Boitsebiso: khetha thepa ka li-CTE tse tsamaellanang ho fokotsa khatello ea maikutlo lipakeng tsa mekhahlelo nakong ea libaesekele tse futhumetseng.
Tsamaiso ea CTE: Sebelisa mekhoa ea ho imolla mocheso le ho fetola botenya ba lera ho fokotsa khatello ea maikutlo.
Mokhoa oa Lamination: Ntlafatsa ts'ebetso ea lamination ho tlama likarolo ka thata, ho thibela delamination.

Ho khanna ho chesang

Mosebetsi oa mantlha oa li-MCPCB ke ho qhala mocheso hantle, ka hona:

Lintho tse fumanehang: Khetha litšepe tse kang aluminium kapa koporo bakeng sa conductivity ea tsona e phahameng ea mocheso.
Insulating Layer: Sebelisa lisebelisoa tsa dielectric tse nang le conductivity e phahameng ea mocheso ho koala mokokotlo oa tšepe le likarolo tsa potoloho.
Mesapo ea Koporo: Eketsa botenya ba trace ho ntlafatsa phallo ea mocheso ha u ntse u boloka botšepehi ba motlakase.

Moqapi oa Motlakase

Moralo oa potoloho o ama taolo ea mocheso le ts'ebetso ea motlakase:

Lekola Bophara le Sekheo: Eketsa bophara ba ho batla le sebaka ho ipapisitse le litlhoko tsa hajoale ho fokotsa khanyetso.
Ka Moralo: Sebelisa li-vias tsa mocheso ho thusa ho fetisa mocheso pakeng tsa lihlopha.
Taolo ea Impedans: Netefatsa ho ts'oanela ho ts'oana ha lits'ebetso tsa maqhubu a holimo ho thibela ho senyeha ha lets'oao.

Moqapi oa Mechanical

Thepa ea mochini ea MCPCB e susumetsa botsitso ba eona ba sebopeho le ho nepahala ha lits'ebetso tse ikhethileng:

Botenya ba mantlha: Khetha botenya bo nepahetseng ba mantlha ho leka-lekanya ho qhalana ha mocheso le matla a mochini.
Ho hloma karolo: Nahana ka moralo oa Surface-Mount Technology (SMT) le likarolo tsa Through-Hole Technology (THT), ho netefatsa tšehetso e nepahetseng ea mocheso le mechine.
Lethathamo la Boto: Taba ea boholo ba PCB ka kakaretso le sebopeho ho netefatsa hore e lumellana le litšitiso tsa moralo oa sehlahisoa.

Ka kakaretso, moralo o sebetsang oa li-MCPCB o hloka mokhoa o sa tsitsang o lumellanang le thepa ea mocheso, motlakase le mochini, ho netefatsa hore PCB e khona ho fihlela litlhoko tsa ts'ebetso, ho tšoarella le ho ts'epahala ha ts'ebeliso.

Kopa PCB Kopano Quote Hona joale

Litharollo tse Sebeletsang Litšenyehelo tsa Metal PCB ho Tlhahiso ea LED

Joaloka moetsi oa lihlahisoa tsa elektroniki tsa LED, ho fokotsa litšenyehelo tsa tšepe tsa PCB ho bohlokoa bakeng sa ho boloka tlholisano ha o ntse o netefatsa boleng. Mona ke mekhoa e mengata eo u ka e sebelisang:

1. Ntlafatso ea Lintho
Kgetho ya Sesebediswa: Kgetha aluminium ho feta koporo kaha hangata e baballa haholo mme e sebetsa ka ho lekaneng ho qhala mocheso bakeng sa ditshebediso tse ngata tsa LED.
Dielectric Layer: Sebelisa likarolo tsa dielectric tsa thermally conductive tse fanang ka phetisetso e ntle ea mocheso ka theko e tlase.

2. Ntlafatso ea Moqapi
Palo ea Layer: Fokotsa palo ea likhakanyo ho moralo oa PCB ntle le ho senya ts'ebetso ea mocheso le motlakase.
Ntlafatso ea Marang-rang: Mokhoa o nepahetseng oa ho latela mohlala o fokotsa tšebeliso ea thepa. Sena se kenyeletsa ho fokotsa bolelele le bophara ba mohlala moo ho khonehang.
Standardization: Rala li-PCB ho sebelisa litekanyo le likarolo tse tloaelehileng, ho fokotsa litšenyehelo tsa ho itloaetsa.

3. Katleho ea Tlhahiso
Panelization: Rala li-PCB ho ntlafatsa tšebeliso ea phanele, ho eketsa palo ea liboto ka phanele.
Tlhahiso ea Batch: Hlahisa ka lihlopha tse kholoanyane ho rua molemo ho tsoa moruong oa tekanyo ea theko ea thepa le litšenyehelo tsa ho seta.

4. Tsamaiso ea Bafani
Khetho ea Bafani: Sebetsa le barekisi ba sebetsanang le li-PCB tsa mantlha tsa tšepe 'me ba na le litheko tse phahameng, tse ka bang teng libakeng tse nang le litšenyehelo tse tlase tsa basebetsi.
Likonteraka tsa Nako e Telele: Ho buisana ka likonteraka tsa nako e telele ho notlela litheko tse ntle le ho netefatsa ketane ea phepelo e tsitsitseng.

5. Ts'ebetso ea Kopano
Automation: Iketsetse lits'ebetso tsa kopano ho fokotsa litšenyehelo tsa basebetsi le ho eketsa tšebetso.
Qetello ea Bokahohle: Sebelisa lisebelisoa tsa boleng bo holimo tse theko e tlaase joalo ka HASL ho fapana le likhetho tse turang joalo ka ENIG, ha feela e fihlela litlhoko tsa sehlahisoa sa hau.

6. Teko le Taolo ea Boleng
Phokotso ea Teko: Fokotsa litšenyehelo tsa taolo ea boleng ka ho ntlafatsa mekhoa ea tlhahlobo ho fumana liphoso kapele, ho fokotsa sekhechana le ho sebetsa bocha.
Maano ana a lokela ho u thusa ho fihlela phokotso ea litšenyehelo ho li-PCB tsa mantlha tsa tšepe ha u ntse u boloka ts'ebetso e hlokahalang bakeng sa lihlahisoa tsa hau tsa LED.

fihlela qeto e

Li-PCB tsa Metal core li emela tsoelo-pele e kholo ho theknoloji ea PCB, e fanang ka taolo e ntlafalitsoeng ea mocheso, ts'epahalo le ts'ebetso ea lisebelisoa tsa sejoale-joale tsa elektroniki. Ha tlhoko ea lisebelisoa tsa elektroniki tse sebetsang hantle le tse sebetsang e ntse e hola, karolo ea li-MCPCB e tla ba ea bohlokoa le ho feta.

Bokhoni ba bona ba ho qhala mocheso hantle le ho fana ka likhokahano tsa motlakase tse tšepahalang li etsa hore e be tsa bohlokoa haholo lits'ebetsong tse kang likoloi, sefofane le mabone a LED. Ha re ntse re tsoela pele ho sutumelletsa meeli ea theknoloji, MCPCB e tla fetoha ho fihlela litlhoko tse ntseng li hola tsa lefats'e la lisebelisoa tsa elektroniki. Kahoo ho sa tsotellehe hore na e matlafatsa smartphone ea hau ea setaele kapa li-circuits tse rarahaneng tse tsamaisang lisathelaete tsa hau, hopola hore MCPCBs ke mokokotlo oa moloko o latelang oa lisebelisoa tsa elektroniki, ho netefatsa hore li sebetsa hantle tikolohong efe kapa efe.

Kopa PCB Kopano Quote Hona joale

FQA

1.What khethollang Metal Core PCBs (MCPCBs) ho tloha setso FR4 PCBs?

Li-PCB tsa Metal Core li sebelisa karoloana ea tšepe, joalo ka aluminium, koporo, kapa lialloys tsa tšepe, joalo ka lera le bohareng, athe li-PCB tsa setso tsa FR4 li sebelisa FR4 dielectric core. Sebopeho sena se ikhethang se nolofalletsa li-MCPCB ho qhala mocheso o hlahisoang ke lisebelisoa tsa elektronike tse matla, e leng se etsang hore e be tsa bohlokoa lits'ebetsong tse hlokang tsamaiso e tsoetseng pele ea mocheso.

2.Melemo ea bohlokoa ea ho sebelisa Copper Core MCPCBs ke efe?

Copper Core MCPCBs e fana ka conductivity e ikhethang ea mocheso, e nang le mocheso oa mocheso oa 400 W/mK. Sena se li etsa hore li tšoanelehe bakeng sa lits'ebetso tse hlokang mocheso moo mocheso o phahameng o leng bohlokoa, joalo ka mabone a matla a phahameng a LED le liamplifiers tsa RF.

3.Litataiso tsa khetho ea thepa li thusa joang ho khetha li-MCPCB tse nepahetseng bakeng sa likopo tse itseng?

Litaelo tsa khetho ea lisebelisoa li fana ka leseli la bohlokoa mabapi le ho khetha MCPCB e loketseng ka ho fetisisa bakeng sa ts'ebeliso e itseng e ipapisitseng le lintlha tse joalo ka conductivity ea mocheso, litšenyehelo, le litlhoko tsa ts'ebetso. Ka mohlala, li-MCPCB tsa aluminium li molemo ka ho fetisisa bakeng sa lits'ebetso tse tsamaisoang ke litšenyehelo tse hlokang mocheso oa mocheso o ka holimo ho 130 W/mK, ha li-MCPCB tsa koporo li ipabola lits'ebetsong moo mocheso o phahameng oa mocheso o leng bohlokoa haholo.

4.Ke lintlha life tsa moralo tse bohlokoa bakeng sa ho netefatsa ts'ebetso le ts'epahalo ea Metal Core PCBs?

Mehaho ea moralo e kang ho laola katoloso ea mocheso, ho ntlafatsa ts'ebetso ea mocheso, ho netefatsa moralo o nepahetseng oa motlakase, le ho nahana ka thepa ea mochine ho bohlokoa bakeng sa ho eketsa ts'ebetso le ho tšepahala ha Metal Core PCBs. Lintlha tsena li netefatsa hore PCB e khona ho qhala mocheso ka katleho, ho boloka botšepehi ba motlakase, le ho mamella khatello ea mochine ts'ebetsong ea eona e reriloeng.

5.Ke maqheka afe a theko e tlaase a ka sebelisoang ke baetsi ba lihlahisoa tsa elektronike tsa LED ho fokotsa litšenyehelo tsa tšepe tsa PCB?

Baetsi ba lihlahisoa tsa elektroniki tsa LED ba ka kenya tšebetsong maano a fapaneng a theko e tlase, ho kenyelletsa ho ntlafatsa thepa, ho ntlafatsa moralo, ntlafatso ea ts'ebetso ea tlhahiso, taolo ea barekisi, ntlafatso ea ts'ebetso ea kopano, le liteko le ntlafatso ea taolo ea boleng. Mekhoa ena e thusa ho fokotsa litšenyehelo ha e ntse e boloka ts'ebetso e hlokahalang bakeng sa lihlahisoa tsa LED, ho netefatsa hore ho na le tlhōlisano 'marakeng.

Phapang ea Lisebelisoa tsa Metal PCB - Aluminium Vs. Copper Core

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

Karolo ea LED PCB ho Lisebelisoa tsa Smart Home

Flexible LED PCBs: Tokoloho ea Moralo, Leseli le Khanyang