IMS PCB: Liboto tse Tsoetseng Pele tsa Potoloho ea Metal bakeng sa Tsamaiso ea Thermal

Selelekela

IMS PCB, kapa Insulated Metal Substrate PCB, e emela sehlopha se ikhethileng sa liboto tsa potoloho tse etselitsoeng ho rarolla mathata a taolo ea mocheso ho lisebelisoa tsa elektroniki tse matla haholo. Ho fapana le liboto tse tloaelehileng tsa FR4, IMS PCB e sebelisa lera la motheo la tšepe-hangata aluminium kapa koporo-ho theha litsela tse sebetsang hantle tsa ho qhala mocheso ho tloha ho likarolo tse kentsoeng ho ea tikolohong. Phetoho ena ea mantlha ea moralo e fana ka maemo a mocheso pakeng tsa 1–3 W/m·K bapisoa le FR4's 0.3 W/m·K.

IMS PCB ke mofuta oa boto ea potoloho e hatisitsoeng ka tšepe e etselitsoeng ho felisa mocheso o phahameng le matla a mochini, e etsang hore e be ea bohlokoa haholo ho lisebelisoa tsa motlakase, lisebelisoa tsa LED, le lits'ebetso tsa likoloi moo ts'epo ea mocheso e amang bophelo ba sehlahisoa ka kotloloho le ts'ebetso.

IMS PCB ke eng?

Sebopeho sa mantlha sa IMS PCB

IMS PCB e na le likarolo tse tharo tsa mantlha tse sebetsang ka konsarete. The metal base layer, eo hangata e leng aluminium kapa koporo, e sebetsa e le motheo oa sebopeho le mokhanni oa mantlha oa mocheso. Ka holim'a sena ho na le lesela le tšesaane la dielectric-e leng thepa e tsamaisang mocheso empa e le ea motlakase e thibelang li-circuits tse khutšoanyane ha e ntse e tsamaisa mocheso. Karolo e ka holimo ea koporo ea potoloho e na le matšoao a motlakase 'me e kopanya likarolo.

IMS PCB vs. FR4 Ts'ebetso

Phapang ea bohlokoa lipakeng tsa IMS PCB le liboto tsa setso li ho hanyetsa mocheso. Liboto tsa FR4 li tšoasa mocheso ka har'a sebopeho sa tsona sa motsoako oa fiberglass, ho theha libaka tse chesang tse senyang tšebetso ea likarolo. Likanale tsa kaho tsa IMS PCB li futhumatsa ka kotloloho setsing sa tšepe, li fokotsa mocheso oa mateano ka 20–40°C lits'ebetsong tse tloaelehileng. Monyetla ona oa mocheso o ba oa bohlokoa ha meralo ea potoloho e feta 2W ka boholo ba matla a lisekoere-inch.

Melemo ea Metal Base

Karolo ea tšepe ho IMS PCB e fana ka ts'ebetso e habeli ho feta ho qhalana ha mocheso. E fana ka ho tiea ha mechini ho ntlafetseng, e fokotsa ho tenyetseha ha boto nakong ea kopano le ts'ebetso. Botšepehi bona ba sebopeho bo ipaka bo le bohlokoa libakeng tse sekametseng ho thothomela joalo ka litsamaiso tsa likoloi le mechini ea indasteri, moo li-PCB tsa setso li ka bang le mathata a khatello ha nako e ntse e ea.

Lisebelisoa tsa IMS PCB le Sebopeho

Base Metal Selection

Aluminium e laola tlhahiso ea IMS PCB ka lebaka la tekanyo e nepahetseng ea ts'ebetso ea litšenyehelo, e fana ka conductivity ea mocheso ho pota 150-200 W/m·K ka litšenyehelo tse utloahalang. Litsi tsa koporo li fana ka phetiso e phahameng ea mocheso ho 380–400 W/m·K empa li laela litheko tsa pele. Mefuta e fapaneng ea tšepe e sa hloekang e fana ka lits'ebetso tse ikhethileng tse hlokang matla a phahameng a mochini le ho hanyetsa ho bola, ho sa tsotelehe ts'ebetso e tlase ea mocheso hoo e ka bang 15 W/m·K.

Thepa ea Dielectric Layer

Lera la dielectric le emela pelo ea boenjiniere ea moralo oa IMS PCB. Mekhoa ea sejoale-joale e fihlella ho tsamaisoa ha mocheso ho tloha ho 1.5 ho isa ho 4 W/m·K ha e ntse e boloka li-voltage tsa ho senyeha tse fetang 3000V. Botenya ba lera hangata bo tloha ho 50 ho isa ho 150 microns, e leng se etsang hore ho be le tekano e bonolo pakeng tsa ts'ebetso ea mocheso le litlhoko tsa ho itšehla thajana tsa motlakase.

Litlhaloso tsa Potoloho ea Koporo

Likarolo tsa koporo tsa IMS PCB hangata li tloha ho botenya ba 1oz ho isa ho 4oz (35-140 microns), tse khethiloeng ho ipapisitse le litlhoko tsa hona joale le ho nahanela boima ba mocheso. Koporo e teteaneng e ntlafatsa tsamaiso ea motlakase le mocheso oa lateral o phatlalla le sebaka sa potoloho pele mocheso o feta ka lera la dielectric.

Mefuta e sa tšoaneng ea Sebopeho

IMS PCB ea lera le le leng e sebetsana le lisebelisoa tse ngata tsa LED le matla a itekanetseng a nang le likarolo tse behiloeng ka lehlakoreng le leng. Litlhophiso tse nang le mekhahlelo e 'meli li tšehetsa li-circuits tse rarahaneng, leha mantlha a tšepe a beha meeli ea setso ka likhokahano. Multilayer IMS PCB e lula e ikhethile bakeng sa litsamaiso tsa matla a feteletseng moo likarolo tse ngata tsa potoloho li tlamehang ho phela hammoho le litlhoko tsa taolo ea mocheso.

Melemo ea IMS PCB

Liboto tsa potoloho tse thehiloeng ka tšepe li fana ka ntlafatso ea ts'ebetso e lekantsoeng ho feta li-substrates tse tloaelehileng lits'ebetsong tse hlokang mocheso. Melemo ea mantlha e kenyelletsa:

• Superior thermal conductivity - IMS PCB e fokotsa khanyetso ea mocheso ka 40-60% ha e bapisoa le FR4, e boloka mocheso o tsitsitseng oa ts'ebetso o eketsang nako ea bophelo ba karolo le ho nolofalletsa meralo e phahameng ea matla a matla.
• Matlafatso ea botsitso ba mochini - Metal substrates e felisa ho feto-fetoha ha maemo le litšekamelo tsa warp, ho boloka botsitso ba sebopeho ho pholletsa le mocheso oa libaesekele ho tloha -40 ° C ho ea + 150 ° C bakeng sa ts'ebetso e tšepahalang lits'ebetsong tsa likoloi le tsa kantle.
• Ho fokotsa khatello ea mocheso - Ho leka-lekanya li-gradients tsa mocheso holim'a boto ho fokotsa phapang pakeng tsa likarolo le substrate, ho fokotsa mokhathala o kopantsoeng oa solder le ho fana ka ntlafatso ea bophelo ba 2-3x ho ts'epahalo ea tšimo.
• Keketseho ea moralo - Ho tlosa mocheso ka katleho ho lumella ho beoa ha karolo e thata ntle le ho fokotseha ha mocheso, ho nolofaletsa meralo ea phepelo ea motlakase ka 30% e nyane ho feta FR4 ka litekanyetso tse ts'oanang.

Mokhoa oa Tlhahiso oa IMS PCB

Boitokisetso ba Lisebelisoa

Tlhahiso ea IMS PCB e qala ka lishiti tsa tšepe tse botenya tse nepahetseng, tseo hangata li entsoeng pele ka foil ea koporo le likarolo tsa dielectric ke barekisi ba khethehileng ba thepa. Baetsi ba netefatsa lintlha tsa conductivity tsa mocheso le bohloeki ba holim'a metsi pele ts'ebetso e qala, kaha tšilafalo e senya botšepehi ba dielectric.

Ho cheka le ho Mechini

Metal substrates e hloka carbide kapa likotoana tsa boro tse koahetsoeng ka taemane ho thibela ho roala ho feteletseng. Mekhahlelo ea ho cheka e hloka ntlafatso e hlokolosi-lebelo le feteletseng le hlahisa mocheso o senyang likarolo tsa dielectric, athe lebelo le sa lekaneng le fokotsa phallo. CNC routing e hlalosa lintlha tsa boto, ka lebelo la ho itšeha le lokiselitsoeng ho thatafala ha tšepe ea motheo.

Sebopeho sa Potoloho le ho Qetella

Etching e tloaelehileng ea photolithographic e theha mekhoa ea potoloho ea koporo ho IMS PCB, leha linako tsa ho pepeseha li hloka tokiso bakeng sa karolo e nyenyane ea tšepe e sa bonahaleng. Ts'ebeliso ea ho qeta bokaholimo e latela liprothokholo tse tloaelehileng tsa PCB, tse nang le ENIG le HASL ka bobeli li tsamaellana le meaho e thehiloeng ka tšepe. Ho nepahala ha ngoliso hoa bohlokoa ha o sebetsa ka lisebelisoa tse thata tsa motheo.

Ho netefatsa boleng

Teko ea motlakase e netefatsa tsoelo-pele ea potoloho le ho itšehla thajana, ha tlhahlobo ea impedance ea mocheso e netefatsa hore ts'ebetso ea dielectric layer e kopana le litlhaloso. Tlhahlobo ea X-ray e lemoha mefokolo ea ho cheka, 'me ho palama libaesekele tse futhumatsang ho tiisa botšepehi ba mochine. Mehato ena ea netefatso e netefatsa hore IMS PCB ka 'ngoe e kopana le litlhoko tsa motlakase le tsa mocheso pele bareki ba fihla.

Lisebelisoa tsa IMS PCB

Lisebelisoa tsa Leseli tsa LED

Di-array tsa LED tse matla haholo di hlahisa mocheso o moholo o kopaneng dikopanong tse nyane. IMS PCB e sebetsa e le substrate e tloaelehileng bakeng sa di-module tsa COB LED , e boloka mocheso wa kopano o le ka tlase ho meedi ya bohlokwa ha e ntse e nolofalletsa dintho tse nyane tsa sebopeho. Mabone a seterateng, mabone a koloi, le disebediswa tsa kgwebo di amohela diboto tse thehilweng tshepe haholo bakeng sa tshireletso ya mocheso dibakeng tse tswelang pele tsa tshebetso.

Lisebelisoa tsa motlakase

Li-inverter tsa makoloi, li-motor drive, le li-converter tsa DC-DC li sebelisa IMS PCB ho laola mocheso o tsoang ho li-semiconductors tsa motlakase tse sebetsang ho makholo a watts. Motheo oa tšepe o habeli e le sebaka se ntseng se hola bakeng sa li-heatsink, ho theha litsela tse sebetsang hantle tsa mocheso. Mehaho ena e paka e le ea bohlokoa lits'ebetsong tsa likoloi tsa motlakase moo ts'ebetso ea mocheso e amang ka kotloloho ho fapana le ho ts'epahala.

Mehala ea likhokahanyo

Li-amplifiers tsa setsi sa motheo le li-module tsa matla a RF li hlahisa mocheso oa lehae o hlokang ho qhalana hang-hang. IMS PCB e boloka botšepehi ba matšoao ha e ntse e thibela ho hoholeha ha maqhubu a bakoang ke mocheso ho li-circuits tsa puisano tse nepahetseng. Botsitso ba mochini bo ipaka bo le bohlokoa ho lisebelisoa tse kentsoeng tora tse tlas'a maemo a feteletseng a mocheso le ho thothomela.

Indasteri le Matla a Tsosolositsoeng

Li-inverters tsa letsatsi le li-control tsa liindasteri li sebetsa libakeng tse thata moo taolo ea mocheso e khethang nako ea ho sebetsa. IMS PCB e mamella ho palama libaesekele le ho pepesetsoa mongobo hamolemo ho feta li-organic substrates, e fokotsa litlhoko tsa tlhokomelo lits'ebetsong tse sebelisoang masimong. Kaho e matla e tsamaisana le litebello tsa ts'epo ea indasteri tse nkang lilemo tse mashome tsa ts'ebetso.

IMS PCB vs. Mefuta e meng ea PCB

IMS PCB Ha e bapisoa le FR4

Lekhalo la conductivity ea mocheso le hlalosa papiso ena. Liboto tsa FR4 li hloka li-vias tse ngata tsa mocheso le litšelo tsa koporo ho atamela ts'ebetso ea mocheso oa IMS PCB, ho ja sebaka sa boto le ho eketsa ho rarahana ha tlhahiso. Ha meralo e feta matla a 5W kaofela, liboto tse thehiloeng ka tšepe hangata li fana ka litšenyehelo tse tlase tsa sistimi leha ho na le litheko tse phahameng tsa thepa ka lebaka la meralo e bonolo ea taolo ea mocheso.

IMS PCB le Heavy Copper PCB

Heavy copper PCB e sebetsana haholo le kabo ea morao-rao ka likarolo tse teteaneng tsa conductive empa e boloka maemo a futsanehileng a mocheso oa FR4 ho pota 0.3 W/m·K. IMS PCB e sebetsana le tlhahiso ea mocheso ho e-na le bokhoni ba hona joale feela. Lisebelisoa tse kopanyang mocheso o phahameng oa hona joale le o phahameng, joalo ka li-welding controller, ka linako tse ling li sebelisa koporo e boima holim'a likaroloana tsa tšepe bakeng sa ts'ebetso e felletseng.

Metal Core vs. Flexible Circuits

Flexible PCB e sebeletsa lits'ebetso tse hlokang ho lumellana le mochini - ho kengoa ho potoloha libaka tse kobehileng kapa ho feto-fetoha ha maemo nakong ea ts'ebetso. IMS PCB e shebana le lits'ebetso tse emeng moo taolo ea mocheso le ho tiea ha sebopeho li fanang ka boleng. Theknoloji ena e sebetsana le liphephetso tse fapaneng haholo tsa moralo ka ho kopana ho fokolang ha ts'ebeliso.

Mehopolo ea Moralo bakeng sa IMS PCB

Ho ntlafatsa Tsela ea Mocheso

Moralo o sebetsang hantle oa IMS PCB o beha likarolo tse hlahisang mocheso ka ho toba ka holim'a motheo oa tšepe, o fokotsa ho tsamaea ha mocheso o ka lehlakoreng ka har'a likarolo tsa koporo. Li-vias tsa mocheso tse ka har'a lera la dielectric li ntlafatsa phetisetso ea mocheso empa li hloka ho beoa ka hloko ho qoba mathata a ho itšehla thajana ka motlakase. Mohlala oa mocheso oa khomphutha o khetholla ho beoa ha likarolo hantle pele prototyping e qala.

Khetho ea Lera la Dielectric

Li-dielectric tse tšesaane li ntlafatsa ts'ebetso ea mocheso empa li fokotsa ho itšehla thajana le ho eketsa bothata ba tlhahiso. Maemo a tloaelehileng a 75-micron a leka-lekanya mocheso oa mocheso ho pota 2 W/m·K le litekanyetso tsa ho senyeha ha 2500V tse loketseng lits'ebetso tse ngata. Sistimi ea matla a phahameng a ka hloka likarolo tse 100–150 tsa micron leha ho na le ts'ebetso ea mocheso.

Tlhaloso ea Boima ba Koporo

Botenya ba koporo ba motheo ho IMS PCB bo ama ts'ebetso ea motlakase le ho ata ha mocheso. Koporo e le 'ngoe e lekane bakeng sa li-circuits tsa boemo ba matšoao, ha mesaletsa ea matla e hloka 2oz kapa koporo e boima ho feta ho laola boima ba hona joale le ho ntlafatsa kabo ea mocheso e ka morao. Tlhaloso e nepahetseng e leka-lekanya litlhoko tsa motlakase, litlhoko tsa mocheso, le ho nahanela litšenyehelo.

Tumellano ea Kopano

Mekhoa e tloaelehileng ea kopano ea SMT e amohela IMS PCB ka liphetoho tse nyane. Ts'ehetso ea tšepe e hloka liphetoho tsa profil ea reflow ho ikarabella bakeng sa boima bo phahameng ba mocheso, hangata ho atolosa libaka tsa preheat le ho lokisa mocheso o phahameng. Khetho ea likarolo e lokela ho netefatsa ho lumellana le litšobotsi tsa mocheso oa boto nakong ea ho phalla hape ho thibela ho hlōleha ho amanang le khatello ea kelello.

fihlela qeto e

Theknoloji ea IMS PCB e sebetsana le liphephetso tsa taolo ea mocheso tse fokotsang ts'ebetso e tloaelehileng ea boto ea potoloho ho lisebelisoa tsa motlakase tsa motlakase le lits'ebetso tsa LED. Mehaho ea tšepe ea substrate e fana ka lintlafatso tse ka lekanyetsoang mabapi le ho felloa ke mocheso, botsitso ba mochini, le ts'epahalo ea ts'ebetso - melemo e fetolelang ka kotloloho nako e telele ea bophelo ba sehlahisoa le ho feto-fetoha ha moralo o ntlafalitsoeng.

Highleap Electronics IMS PCB Bokhoni ba

Setsi sa rona sa tlhahiso se fana ka litharollo tse felletseng tsa boto ea potoloho ea tšepe e etselitsoeng lisebelisoa tse hlokang mocheso:

• Tsebo ea lintho tse bonahalang - Re sebetsana le li-substrates tsa aluminium, koporo le hybrid metal tse nang le likarolo tsa dielectric tse ntlafalitsoeng bakeng sa litlhoko tsa hau tsa mocheso le motlakase.
• Tšehetso ea tlhahlobo ea mocheso - Sehlopha sa rona sa boenjiniere se etsa litlhahlobo tsa Design for Manufacturing ho kenyelletsa le mohlala oa mocheso ho netefatsa ts'ebetso ea ho senya mocheso pele ho tlhahiso.
• Netefaletso ea boleng - E 'ngoe le e' ngoe ea IMS PCB e etsa liteko tsa motlakase le netefatso ea tšitiso ea mocheso ho netefatsa hore ho latela melao.
• Sekhahla sa tlhahiso - Ho tloha ho bongata ba prototype ho isa ho tlhahiso ea boleng bo holimo, re boloka boleng bo ts'oanang ho boholo bohle ba odara.

Ikopanye le sehlopha sa rona ho Highleap Electronics ho buisana ka litlhoko tsa hau tsa IMS PCB kapa kopa tlhahlobo ea mahala ea DFM. Baenjiniere ba rona ba tla thusa ho ntlafatsa moralo oa hau bakeng sa ts'ebetso ea mocheso le katleho ea tlhahiso.