Sesebediswa sa Medical Ceramic PCB: Precision Substrates bakeng sa Advanced Medical Electronics

Selelekela

Disebediswa tsa elektroniki tsa bongaka tsa sejwalejwale di hloka ho kwahela motlakase ka tsela e ikgethang, taolo e nepahetseng ya mocheso, le polokeho e pakilweng ya thepa ho netefatsa boiketlo ba mokuli le nako e telele ya sesebediswa. Di-PCB tsa ceramic tsa sesebediswa sa bongaka di hlahile e le karolo ya kgetho bakeng sa ditshebediso moo diboto tsa potoloho tsa setso di haellang. Ho fapana le thepa ya tlhaho, dikarolo tsa ceramic di fana ka tsamaiso e phahameng ya mocheso, ho se ntshe kgase, le ho tsamaisana ha dimela ho fihlelang ditlhoko tse thata tsa taolo.

Sengoliloeng sena se hlahloba litšobotsi tsa bohlokoa tsa ts'ebetso, lits'ebetso tse tloaelehileng, le menahano ea moralo e etsang hore likaroloana tsa ceramic e be tharollo e ratoang bakeng sa lisebelisoa tsa elektroniki tsa bongaka tse nepahetseng.

Ke Hobane'ng ha Li-PCB tsa Ceramic tsa Sesebelisoa sa Bongaka li Lokela ho Elektroniki tsa Bongaka

Meeli ea Lintho tse Tloaelehileng tsa PCB

Li-FR-4 le li-PCB tsa tšepe li haella maemong a bongaka a hlokang ho ts'epahala le bohloeki bo feteletseng. FR-4 e na le li-resin tsa tlhaho tse senyehang ka tlas'a mocheso kapa li lokolla metsoako e fetohang, ha likaroloana tsa tšepe, leha li sebetsa hantle ka mocheso, li haelloa ke motlakase o hlokahalang bakeng sa lipotoloho tse phahameng tsa matla.

Melemo ea Inorganic Ceramic Substrates

Li-PCB tsa letsopa li felisa mathata ana ka lebaka la sebopeho sa tsona se sa pheleng ka botlalo. Ha li na li-resin kapa li-binder, li thibela tšilafalo 'me li boloka bohloeki bo ikhethang. Ka li-tangent tsa tahlehelo ea dielectric tse ka tlase ho 0.001 ho pholletsa le maqhubu a mangata, li-ceramic tsa alumina le aluminium nitride li netefatsa botšepehi ba lets'oao lits'ebetsong tse bonolo tsa tlhahlobo le tsa kutlo.

Thermal, Chemical, and Dimensional Stability

Lithempereichara tsa Ceramic li lula li tsitsitse ho tloha ho mocheso oa cryogenic ho ea holimo ho 300 ° C ntle le ho khopama kapa ho hoholeha ha tšebetso. Ho monya ha bona mongobo o haufi le zero ho thibela ho ruruha le ho fetoha ha motlakase nakong ea "autoclave sterilization". Motsoako ona oa mamello ea mocheso, ho se sebetse ha lik'hemik'hale, le botsitso bo boholo ho etsa hore li-PCB tsa ceramic e be tse loketseng lisebelisoa tsa bongaka tse kentsoeng nako e telele le tse hloekisoang.

Melemo ea Bohlokoa ea Ts'ebetso ea Lisebelisoa tsa Bongaka tsa Ceramic PCBs

Ts'ebetso e Phahameng ea Potoloho e nepahetseng

Lisebelisoa tsa bongaka tsa ceramic PCB substrates li tšehetsa ho latella bophara le sebaka se ka tlaase ho li-micrometer tse 50, se nolofalletsang tlhophiso ea potoloho e teteaneng e hlokahalang bakeng sa li-module tsa sensor tse nyenyane le lihlopha tse ngata tsa litšoantšo. Coefficient e haufi le zero ea phapang ea katoloso ea mocheso le li-semiconductors tsa silicon e thibela mokhathala o kopaneng oa solder likopanong tsa flip-chip. Maemo a holimo a tlase ho li-micrometer tse 0.2 a fokotsa tahlehelo ea mats'oao ho li-circuits tsa RF tsa maqhubu a phahameng tse sebelisetsoang telemetry le litšoantšo tsa tlhahlobo.

Ho tsitsa ha Mocheso le ho Felloa ha Mocheso

Aluminium nitride ceramic substrates e fihlella boleng ba conductivity ea mocheso e fetang 170 W / mK, e atamela ho koporo e hloekileng ha e ntse e boloka motlakase. Ts'ebetso ena ea mocheso e bonahala e le ea bohlokoa lipotolohong tsa mokhanni oa laser le mabone a opereishene a LED moo mocheso o matla o ka bakang ho hoholeha hoa tekanyo kapa ho hloleha ha likarolo ho li-substrates tse tloaelehileng. Bokhoni ba ho jala mocheso o ts'oanang oa lisebelisoa tsa bongaka tsa ceramic PCB likopano li felisa libaka tse chesang tse potlakisang botsofali ka li-circuits tsa analog tse nepahetseng.

Biocompatibility le Tšireletseho

Li-ceramic tsa Alumina le aluminium nitride li fihlela litlhoko tsa tlhahlobo ea ho lumellana ha lisele tsa ISO 10993 bakeng sa ho kopana ha lisele ka nako e khuts'oane le ho kenngoa ha tsona ka nako e telele. Ho tsitsa ha lik'hemik'hale tsa thepa ena ho thibela ho tsoa ha ion ho ka bakang likarabo tsa ho ruruha kapa ho sitisa ts'ebetso ea sele. Lisebelisoa tsa PCB tsa ceramic tsa lisebelisoa tsa bongaka li boloka thepa ea tsona e sa sebetseng ka lilemo tse mashome tsa ho pepesehela maro a 'mele, e leng se etsang hore li lokele li-pacemaker le li-neurostimulators moo liopereishene tsa ho nkela lisebelisoa sebaka li lokelang ho fokotsoa.

Khanyetso ea Lik'hemik'hale le Mahlaseli

Li-substrates tsa ceramic li mamella ho pepesetsoa khafetsa ho plasma ea hydrogen peroxide, ethylene oxide, le sterilization ea mahlaseli a gamma ntle le ho senyeha ha bokaholimo kapa ho fetoha ha thepa ea motlakase. Nako ena ea nako e telele e fetela tikolohong e thata ea lik'hemik'hale ho li-analyzer tsa tlhahlobo moo li-reagents li ka hlaselang lisebelisoa tsa boto ea potoloho. Ho thatafala ha mahlaseli a lisebelisoa tsa bongaka tsa lik'hamera tsa PCB ho ipakile e le tsa bohlokoa ho li-ray-ray le lisebelisoa tsa elektroniki tsa CT scanner tse maemong a phahameng a mahlaseli a kotsi.

Bophelo bo Bolelele le Botshepehi

Lisebelisoa tsa bongaka hangata li hloka nako ea bophelo ea ts'ebetso e fetang lilemo tse leshome le metso e mehlano ka sekhahla sa ho hloleha ka tlase ho lihora tse milione ho sesebelisoa. Li-ceramic substrates ha li na mekhoa ea ho senyeha ha lintho tse phelang tse fokotsang nako ea bophelo ba boto ea FR-4, ho kenyeletsoa delamination, kholo ea conductive anodic filament, le sebopeho sa metsoako ea intermetallic mochesong o phahameng. Teko e potlakileng ea bophelo e bonts'a hore lisebelisoa tse entsoeng ka nepo tsa lisebelisoa tsa bongaka tsa ceramic PCB li boloka likarolo tsa motlakase tse tsitsitseng ka libaesekele tse futhumetseng le ho pepesetsoa mongobo o lekanang le mashome a lilemo a ts'ebeletso e kentsoeng.

Likopo tse Tloaelehileng tsa Sesebelisoa sa Bongaka sa Ceramic PCBs

Theknoloji ea lisebelisoa tsa bongaka tsa ceramic PCB e sebetsa mesebetsing ea bohlokoa mefuteng e mengata ea lisebelisoa tsa bongaka, e 'ngoe le e 'ngoe e na le litlhoko tse ikhethang tsa ts'ebetso le litebello tsa ts'epo. Lisebelisoa tse latelang li bonts'a kamoo li-substrates tsa ceramic li nolofalletsang lisebelisoa tsa elektronike tsa bongaka tse tsoetseng pele joang.

Lisebelisoa tse kentsoeng

Li-pacemaker tsa pelo li sebelisa li-alumina ceramic substrates ho kenya li-circuits tsa tsamaiso ea betri le li-module tsa RF telemetry ka har'a linyeoe tsa titanium tse tiisitsoeng ka hermetically. Li-implants tsa li-cochlear li kenya bakhanni ba susumetsang li-electrode ho lijari tsa ceramic tse fanang ka karohano ea motlakase le ho qhalana ha mocheso bakeng sa potoloho ea tšebetso ea matšoao. Li-neurostimulators bakeng sa taolo ea bohloko le kalafo ea lefu la Parkinson li itšetleha ka theknoloji ea PCB ea sesebelisoa sa bongaka ho fana ka lipompo tsa motlakase tse lekantsoeng ntle le ho hoholeha nakong ea bophelo bohle ba sesebelisoa.

Mekhoa ea ho hlahloba

X-ray detector e hlophisa likristale tsa bond scintillator le li-photodiode arrays ho li-substrates tsa aluminium nitride tse tsamaisang mocheso hantle hole le sebaka sa ho lemoha ha li ntse li fana ka karohano ea motlakase lipakeng tsa likete tsa liteishene tsa pixel. Likopano tsa transducer tsa Ultrasound li sebelisa li-ceramic substrates ho ts'ehetsa li-piezoelectric element arrays le li-preamplifiers tse kenyellelitsoeng litlhophisong tse neng li tla chesa haholo libotong tse tloaelehileng tsa potoloho. Bakhanni ba li-coil tsa MRI gradient ba hlahisa li-kilowatts tsa matla a pulsed libakeng tse koaletsoeng moo sesebelisoa sa bongaka sa ceramic PCB taolo ea mocheso e thibelang tšenyo ea likarolo le ho boloka ho nepahala ha litšoantšo.

Thepa ea Phekolo

Sistimi ea laser ea ho buoa e kenya li-bars tsa diode tse nang le matla a phahameng le li-circuits tsa mokhanni holim'a li-ceramic substrates tse jalang meroalo ea mocheso libakeng tse kholo ho feta liboto tsa mantlha tsa tšepe li ka fihlelang ha li ntse li boloka ho itšehla thajana ka motlakase. Lijenereithara tsa electrosurgical li sebelisa li-ceramic substrates maemong a tsona a matla a RF moo litlhoko tsa ho itšehla thajana li fetang bokhoni ba lisebelisoa tsa laminate.

Tlhokomelo Lisebelisoa

Li-sensor tse hlokomelang mokuli bakeng sa mocheso, khatello, le phepelo ea oksijene maling li kopanya li-circuits tsa boemo ba matšoao ho li-substrates tse nyane tsa ceramic tse kenang ka har'a likopano tse kentsoeng ka catheter. Thepa e tsitsitseng ea dielectric ea lisebelisoa tsa bongaka tsa ceramic PCB e netefatsa hore tlhahlobo ea sensor e lula e nepahetse ka lipotoloho tse pheta-phetoang tsa sterilization le lilemo tsa ts'ebeliso ea bongaka.

Khetho ea Boitsebiso bakeng sa Lisebelisoa tsa Bongaka tsa Ceramic PCBs

Khetho ea thepa ea letsopa e ama ka kotloloho ts'ebetso ea motlakase, bokhoni ba taolo ea mocheso, le sebopeho sa litšenyehelo tsa liboka tsa PCB tsa letsopa tsa lisebelisoa tsa bongaka . Thepa ka 'ngoe e fana ka melemo e ikhethang bakeng sa litlhoko tse itseng tsa ts'ebeliso.

Alumina (Al₂O₃)

Alumina ceramic substrates e fana ka matla a dielectric a fetang 15 kV/mm le molumo oa resistivity ka holimo ho 10¹⁴ ohm-cm mocheso oa kamore, e leng se etsang hore li tšoanelehe bakeng sa ho itšehla thajana ho lisebelisoa tsa ho hlahloba litšoantšo le lisebelisoa tsa phekolo. Ka sebopeho sa theko e tlase haholo ho feta aluminium nitride, alumina e sebetsa e le thepa ea bohlokoa bakeng sa lisebelisoa tsa elektroniki tsa bongaka ka kakaretso. Likopano tsa lisebelisoa tsa bongaka tsa ceramic PCB tse sebelisang liperesente tsa 96 kapa liperesente tse 99.6 tsa bohloeki ba alumina li fana ka ts'ebetso ea motlakase le matla a mochini a hlokahalang bakeng sa lits'ebetso tse ngata ha li ntse li boloka litšenyehelo tsa tlhahiso ea moruo.

Aluminium Nitride (AlN)

Likopo tse hlokang ho tsamaisoa ha mocheso ka holimo ho 150 W/mK li hlakisa li-substrates tsa aluminium nitride ho sa tsotellehe theko ea tsona e phahameng ea thepa. Motsoako oa mocheso o pharalletseng o pharalletseng le o sa fetoheng oa dielectric o tlase o etsa hore aluminium nitride e be khetho e ratoang bakeng sa liamplifi tsa motlakase tsa RF lits'ebetsong tsa MRI le lisebelisoa tse khanyang tse phahameng tsa LED maboneng a opereishene. Meetso ea lisebelisoa tsa bongaka tsa ceramic PCB e sebelisang aluminium nitride e ka sebetsa ka matla a phahameng a matla ho feta likopano tse thehiloeng ho alumina, e nolofalletsang meralo ea lisebelisoa tse kopaneng moo mathata a sebaka a leng bohlokoa.

Silicon Nitride (Si₃N₄)

Silicon nitride substrates e sebetsa hantle haholo lits'ebetsong tse hlokang matla a phahameng a mochini le ho hanyetsa mocheso oa mocheso. Matla a ho robeha ha thepa a feta a alumina ka makhetlo a mararo, ho fokotsa kotsi ea ho phatloha ha substrate nakong ea ts'ebetso ea kopano kapa ho tsamaisoa ha lisebelisoa. Le hoja e sa tloaeleha ho feta alumina kapa aluminium nitride ho lisebelisoa tsa bongaka tsa ceramic PCB, silicon nitride e fana ka melemo e ikhethang bakeng sa litlhoko tse khethehileng tsa ts'episo e phahameng ho li-module tsa matla a maqhubu a phahameng le lihlopha tsa lisebelisoa tsa litšoantšo.

Mehopolo ea Moqapi bakeng sa Lisebelisoa tsa Bongaka tsa Ceramic PCBs

Sebopeho sa Potoloho le Tsamaiso ea Thermal

Sebopeho sa potoloho bakeng sa lisebelisoa tsa bongaka tsa lisebelisoa tsa ceramic PCB likopano li tlameha ho ikarabella bakeng sa brittleness ea thepa ea motheo ka ho behoa ka hloko ha masoba a ntseng a hola le libaka tse bulehileng. Moralo oa taolo ea mocheso o hloka mohlala o hlakileng oa litsela tsa phallo ea mocheso kaha ts'ebetso e phahameng ea mocheso oa substrate e theha kabo e fapaneng ea mocheso ho feta kamoo baqapi ba tloaetseng liboto tsa FR-4 ba ka lebellang.

Lintlha tsa bohlokoa tsa moralo li kenyelletsa:

• Ka ho ntlafatsa sebopeho - Ho hokahanya likarolo tse ngata tsa metallization ho hloka li-diameter tse kholoanyane le taolo e hlokolosi ea likarolo ha li bapisoa le plating ea koporo e chekiloeng ka har'a liboto tsa manyolo.
• Thero ea litsela tsa mocheso - Phallo e tobileng ea mocheso ho tloha likarolong tse matla haholo ho ea ho litepisi tsa mocheso ka har'a substrate ea ceramic e fokotsa mocheso oa matekoane le ho lelefatsa bophelo ba sesebelisoa.
• Khetho ea tšepe - Lits'ebetso tsa lifilimi tse teteaneng tse sebelisang li-conductors tsa khauta tse hatisitsoeng skrineng kapa platinum-silevera li fana ka khokahanyo e matla le terata e tlamahanoang, ha mekhoa e mesesane ea filimi e thusa boholo ba likarolo tse ntle bakeng sa khokahano e phahameng haholo.
• Tlhaloso ea ho qetela ea holim'a sefahleho - Khetho ea ho roala e tlameha ho nahana ka mekhoa e reriloeng ea ho hokela, hore na solder reflow, conductive adhesive bonding, kapa terata e tlamang semiconductor e shoa.

Kopano le Packaging Compatibility

Meralo ea lisebelisoa tsa bongaka tsa ceramic PCB e tlameha ho amohela lifomate tse tloaelehileng tsa semiconductor tsa ho paka ho kenyelletsa BGA, LGA, le li-flip-chip configurations ha li ntse li boloka ts'ebetso ea mocheso le motlakase. Coefficient ea ho hola ha mocheso lipakeng tsa li-ceramic substrates le lisebelisoa tsa silicon li etsa hore ho be le sehokelo se ka tšeptjoang ntle le lisebelisoa tse tlase lits'ebetsong tse ngata. Litlhoko tsa ho tiisoa ha Hermetic bakeng sa lisebelisoa tse kenngoeng li hloka hore ho be le boreleli bo nepahetseng ba substrate le taolo ea pheletso ho fihlela litiiso tse ts'epahalang tse entsoeng ka brazed kapa tse cheselitsoeng tse nang le titanium kapa tšepe e sa hloekang.

Maemo a Tlhahiso bakeng sa Lisebelisoa tsa Bongaka tsa Ceramic PCBs

Tsamaiso ea Boleng le Traceability

Setifikeiti sa ISO 13485 se fana ka moralo oa taolo ea boleng o hlokahalang bakeng sa tlhahiso ea likarolo tsa lisebelisoa tsa bongaka. Mehaho ea masela a ceramic substrate e tlameha ho kenya ts'ebetsong ts'ebetso e felletseng ea thepa ho tloha thepa e tala e kenang ka thepa e felileng, ka litokomane tse bonts'ang taolo ea ts'ebetso mohatong o mong le o mong oa tlhahiso. Libaka tse hloekileng tsa kamore ea ho kopanya li thibela tšilafalo e ka bakang litsela tsa ho lutla ha motlakase kapa tsa senya tiiso ea hermetic ka lisebelisoa tse kentsoeng.

Taolo ea Ts'ebetso le netefatso

Mahlale a ho seha le ho ngola ka laser a etsa litekanyo tse nepahetseng tsa substrate le li-geometri tse rarahaneng tsa moeli ntle le ho hlahisa mapetso a manyane ao ho seha ha mechine ho ka a hlahisang. Mekhoa ea tlhahlobo ea mahlo e iketsang e netefatsa botšepehi ba tšepe, ho nepahala ha litekanyo, le bohloeki ba bokaholimo pele li-substrate li kena ts'ebetsong ea kopano. Bahlahisi ba PCB ba ceramic ea lisebelisoa tsa bongaka ba sebelisa taolo ea ts'ebetso ea lipalo-palo ho boloka mamello e tiileng liparamenteng tsa bohlokoa ho kenyeletsoa matla a dielectric, khanyetso ea mocheso, le ho khomarela tšepe ho amang ka kotloloho polokeho le ts'epo ea sesebelisoa.

Litaolo tsa bohlokoa tsa tlhahiso li kenyelletsa:

• Setifikeiti sa thepa e kenang - Lisebelisoa tse tala tsa ceramic li hloka setifikeiti sa barekisi bakeng sa bohloeki, boholo ba lijo-thollo le thepa ea 'mele ho netefatsa ts'ebetso e tsitsitseng ea substrate.
• Ho netefatsa ts'ebetso ea metallization - Lifaele tse teteaneng tsa lifilimi le liparamente tse tšesaane tsa ho beha lifilimi li netefatsoa nako le nako ho boloka matla a ho khomarela le ho tsamaisa motlakase ka har'a meeli e boletsoeng.
• Dimensional tlhahlobo protocols - Ho hokahanya mechini e lekanyang le lits'ebetso tsa optical metrology li ngola botlaaseng ba substrate, ho fapana ha botenya, le ho nepahala ha sebaka bakeng sa ho lateloa ka botlalo.
• Teko e potlakileng ea bophelo - Litlhoko tsa netefatso bakeng sa lits'ebetso tsa bongaka li atoloha ho feta tlhahlobo e tloaelehileng ea kamohelo ea PCB ho kenyelletsa netefatso ea biocompatibility, lithuto tsa botsofali le tlhahlobo ea mokhoa oa ho hloleha.

Litaolo tsena tsa tlhahiso li netefatsa hore PCB e 'ngoe le e' ngoe ea ceramic e sebelisoang lisebelisoa tsa bongaka e kopana le ts'epo e tiileng le litekanyetso tsa polokeho. Ka ho boloka netefatso e tiileng ea ts'ebetso, ho nepahala ha maemo, le botsitso ba nako e telele, bahlahisi ba ka netefatsa ts'ebetso e tsitsitseng ea motlakase le biocompatibility ho pholletsa le lihlopha tsa tlhahiso - tlhokahalo ea bohlokoa bakeng sa lisebelisoa tsa bongaka tse tšehetsang bophelo le tlhahlobo.

fihlela qeto e

Theknoloji ea PCB ea sesebelisoa sa bongaka e fana ka motsoako o ikhethang oa biocompatibility, ts'ebetso ea mocheso, le ts'epahalo ea nako e telele eo lisebelisoa tsa elektroniki tsa bongaka tsa sejoale-joale li li hlokang. The inorganic nature of ceramic substrates e felisa ho tsoa le ho tšoenyeha ka lik'hemik'hale ha e ntse e fana ka matla a motlakase le matla a ho qhala mocheso a ke keng a bapisoa le lisebelisoa tse tloaelehileng tsa boto ea potoloho.

Ho tloha ho lisebelisoa tsa pelo tse kentsoeng tse hlokang lilemo tse mashome tsa ts'ebetso e tsitsitseng ho lits'ebetso tsa litšoantšo tsa tlhahlobo tse laolang matla a matla a matla, li-ceramic substrates li nolofalletsa mekhoa ea bongaka e ntlafatsang liphello tsa mokuli le nako e telele ea lisebelisoa.

Highleap Electronics e tlisa bokhoni bo felletseng ba tlhahiso le kopano ea PCB ea lisebelisoa tsa bongaka:

• Mehaho ea tlhahiso e netefalitsoeng ea ISO 13485 - Sistimi ea taolo ea boleng bo felletseng e netefatsang boikamahanyo le taolo e felletseng ea lisebelisoa bakeng sa likarolo tsa lisebelisoa tsa bongaka.
• Mokhoa o tsoetseng pele oa ho etsa substrate ea ceramic - Precision laser cutting, filimi e teteaneng le lits'ebetso tsa tšepe tse tšesaane tsa filimi, le mekhoa ea ho hlahloba e ikemetseng e bolokang mamello e tiileng holim'a liparamente tsa motlakase le tsa mechine.
• Litšebeletso tsa kopano ea kamore e hloekileng - Litikoloho tse laoloang ke tšilafalo bakeng sa ho beoa ha likaroloana, ho tlamahanngoa ka terata, le ts'ebetso ea tiiso ea hermetic e fihlelang litlhoko tse thata tsa bohloeki ba lisebelisoa tsa bongaka tse kentsoeng le tse hlahlojoang.
• Tšehetso ea boenjiniere le tšebelisano ea moralo - Tsebo ea tekheniki khethong ea lisebelisoa tsa ceramic, ntlafatso ea taolo ea mocheso, le moralo oa tlhahiso ea lisebelisoa tse thusang baetsi ba lisebelisoa tsa bongaka ho tsamaisa phetoho ho tloha ho prototype ho isa tlhahiso ea molumo.

Ikopanye le Highleap Electronics ho buisana ka hore na bokgoni ba rona ba tlhahiso ya disebediswa tsa bongaka tsa ceramic PCB bo ka tshehetsa projeke ya hao ya di-elektroniki tsa bongaka tsa moloko o latelang jwang ka ho nepahala, ho tshepahala, le ho latela melao eo bakudi le bafani ba tlhokomelo ya bophelo ba e hlokang.