HDI PCB ho Lisebelisoa tsa Bongaka: Ho nolofalletsa ho Precision le Miniaturization

Selelekela – Hobaneng Medical HDI PCB Technology Matters

Indasteri ea lisebelisoa tsa elektroniki tsa bongaka e hloka lisebelisoa tse nyane, tse bohlale le tse tšepahalang haholoanyane tse ntlafatsang liphetho tsa bakuli ha ka nako e ts'oanang li fokotsa ho kenella ha tsona. Phetoho ena e hloka liboto tsa potoloho tse khonang ho tšehetsa bongata bo phahameng ba likarolo, ho boloka botšepehi ba lets'oao libakeng tse nyane, le ho fana ka ts'epo e sa thekeseleng nakong ea bophelo bo bolelele ba ts'ebetso. Theknoloji ea PCB ea HDI ea Bongaka e sebetsana le litlhoko tsena ka likhokahano tse nang le bongata bo phahameng, litsela tse laoloang hantle tsa impedance, le katleho e ntlafalitsoeng ea sebaka.

Ho kopanngoa ha miniaturized PCB bakeng sa lisebelisoa tsa bongaka ho se ho hlokahala. Ha lisebelisoa tsa tlhahlobo li ntse li nkeha, li-monitor tse ka roaloang li honyela ho ea maemong a boholo bo boholo, 'me lisebelisoa tse kenngoeng li hloka matlo a lumellanang le bio, meaho e ka tlase ea potoloho e tlameha ho ts'ehetsa ts'ebetso e ntseng e rarahane ka har'a lienfelopo tse ntseng li fokotseha.

Litlhoko tsa Moralo oa Core of Medical HDI PCB

Lisebelisoa tsa elektroniki tsa bongaka li beha lithibelo tse ikhethang tse li khethollang ho litlhoko tsa boto ea potoloho ea bareki kapa indasteri. Li-PCB tsa HDI tsa bongaka li tlameha ho bonts'a ts'ebetso e se nang sekoli ho pholletsa le lilemo tsa ts'ebetso e sa khaotseng, hangata libakeng tse thata tsa 'mele moo ho fetoha ha mocheso, ho pepeseha ha mongobo, le khatello ea maikutlo khafetsa.

Mekhahlelo e Bohlokoa ea Ts'ebetso

Baenjiniere ba sebetsang le PCB e nyane ea lisebelisoa tsa bongaka ba tobane le mathata a fapaneng:

• Ho tšepahala ho phahameng le botsitso ba nako e telele - Tikoloho ea bongaka e hloka ts'ebetso e sa sebetseng hantle ka nako eohle ea ts'ebetso e lekantsoeng ka lilemo kapa mashome a lilemo.
• Moralo o kopaneng le kaho e bobebe - E bohlokoa bakeng sa li-biosensor tse ka aparoang le lisebelisoa tsa kalafo tse kentsoeng ka har'a mefokolo ea anatomical.
• Botšepehi ba pontšo le ts'ebetso e tlase ea lerata - Lisebelisoa tsa bongaka hangata li lekanya matšoao a bioloji a boemo ba microvolt ka litlhoko tse nepahetseng ka likarolo ho milione.
• Biocompatibility le polokeho ea lintho tse bonahalang - Lisebelisoa tsa substrate, lipehelo tsa bokaholimo, le likoahelo tse lumellanang li tlameha ho fihlela litekanyetso tse thata tsa taolo bakeng sa cytotoxicity le botsitso ba nako e telele.

Hobaneng ha li-PCB tsa HDI li loketse lisebelisoa tsa bongaka

Matla a Miniaturization

Theknoloji ea HDI PCB e nolofalletsa ho ba le likarolo tse ngata tseo meralo ea setso e ke keng ea li tšehetsa ka li-microvia, li-trace tsa mela e menyenyane, le meaho e tsoetseng pele ea ho haha. Theknoloji ena e tšehetsa libaka tsa likarolo tse ka tlase ho 0.4mm, ka bophara bo ka tlase ho 0.15mm, le bophara ba li-trace bo atamelang li-micron tse 50, e leng se nolofalletsang meralo ea potoloho ea mahlakore a mararo e eketsang ho ba le ts'ebetso e kholo ka sebaka sa yuniti.

Lisebelisoa tsa bongaka li rua molemo ka ho toba ho bokhoni bona ba miniaturization. Sistimi ea ho lekola tsoekere ea glucose e fihlella lintlha tse ka roaloang ha e ntse e kenyelletsa puisano ea radiofrequency, tekanyo e nepahetseng ea analog, le ts'ebetso ea microcontroller. Li-pacemaker tsa pelo le li-neurostimulators li sebelisa meaho ea HDI ho kenya lijenereithara tsa kalafo, lits'ebetso tsa telemetry, le li-circuits tsa taolo ea matla ka har'a linyeoe tsa titanium tse boholo bo ka tlase ho 50 cubic centimeter.

Ts'ebetso e Ntlafetseng ea Motlakase

Melemo ea motlakase ea meralo ea HDI PCB ea bongaka e tsoa ho bolelele bo fokotsehileng ba khokahano le lijeometri tse ntlafalitsoeng tsa matšoao. Mokhoa o mokhuts'oane o tsamaeang lipakeng tsa likarolo o fokotsa tieho ea phatlalatso, o fokotsa ts'ebetso ea parasitic inductance le capacitance, mme o fokotsa ts'oaetso ea tšitiso ea motlakase.

Dimojule tsa ho nka ditshwantsho tse nang le tlhaloso e hodimo bakeng sa ditsamaiso tsa ultrasound, dikhamera tsa endoscopic, le disebediswa tsa tomography ya optical coherence di itshetlehile ka dibopeho tsa HDI PCB ho boloka botshepehi ba matshwao ho pholletsa le dikanale tse ngata tsa data tse bapileng. Theknoloji ena e tshehetsa tsamaiso e laolwang ya impedance, taolo ya dipharo tse fapaneng, le mekgwa ya ntlafatso ya sefofane sa fatshe e bolokang botshepehi ba matshwao leha ditefiso tsa data di ntse di eketseha le bongata ba dipotoloho bo ntse bo eketseha.

Ho Tšepahala ho Ntlafetseng ka Moralo

Li-microvias tse entsoeng ka laser le likarolo tse tšesaane tsa dielectric tse khethollang kaho ea HDI li fokotsa khatello ea kelello ea mochine e tlatsetsang ho hloleha ha manonyeletso a solder ka meralo e tloaelehileng ea likoti. Mekhoa e latellanang ea ho haha ​​​​lamination e aba khatello ea maikutlo ho pholletsa le mekhahlelo e mengata ho e-na le ho tsepamisa meroalo ea mechine libakeng tse sa tšoaneng tsa masoba.

Bakeng sa lisebelisoa tsa bongaka tse kentsoeng tse hlokang lilemo tse mashome tsa bophelo ba ts'ebetso, lintlafatso tsena tse ts'epahalang li fetolela ka kotloloho ts'ireletseho e ntlafalitsoeng ea bakuli le litheko tse fokotsehileng tsa ho buuoa. Ho feto-fetoha ha maemo ho teng meahong ea bongaka ea HDI PCB e amohela litlhoko tse rarahaneng tsa ho tsamaisa mats'oao ha ho ntse ho bolokoa botšepehi bo hlokahalang bakeng sa ts'epo ea nako e telele.

Lintlha tsa Material le Stackup bakeng sa Medical HDI PCB

Khetho ea Substrate ea Mekhahlelo ea Bongaka

Khetho ea thepa ea substrate bakeng sa li-PCB tsa HDI tsa bongaka e leka-lekanya litlhoko tsa ts'ebetso ea motlakase khahlanong le lithibelo tsa ho lumellana ha lintho tse phelang le litlhoko tsa botsitso ba mechini. Lisebelisoa tse tloaelehileng tsa FR-4 li lekane bakeng sa lisebelisoa tse ngata tsa bongaka tsa kantle, ha lits'ebetso tse tšepahalang haholo li ka totobatsa li-substrate tsa polyimide kapa li-laminate tse ikhethileng tse nang le tahlehelo e tlase joalo ka lisebelisoa tse ikhethileng tsa letoto la laminate tse nang le tahlehelo e tlase.

Khetho ea lisebelisoa tsa PCB tse sebetsang hantle e ba tsa bohlokoa bakeng sa lisebelisoa tse kenngoeng kapa lits'ebetso tse amanang le ho ikopanya le mokuli ka kotloloho. Lisebelisoa li tlameha ho mamella lits'ebetso tsa sterilization ho kenyelletsa le li-autoclave cycles, ethylene oxide exposure, kapa gamma irradiation ntle le ho senyeha ha thepa ea motlakase kapa ho tsoa ha metsoako e ka bang kotsi.

Optimized Layer Stackup Architecture

Meralo ea bongaka ea HDI PCB hangata e sebelisa 2+N+2 kapa 3+N+3 meaho e ahang, moo N e emelang palo ea mantlha. Moaho ona o fana ka likarolo tse inehetseng tsa ho tsamaisa mats'oao ha o ntse o boloka tikoloho e laoloang ea impedance le marang-rang a matla a kabo ea matla.

Khetho ea botenya ba dielectric e susumetsa ts'ebetso ea motlakase le ts'epo ea tlhahiso. Hangata lits'ebetso tsa bongaka li hlakisa li-dielectric tse teteaneng hanyane ho feta lisebelisoa tsa elektronike tsa bareki ho matlafatsa marang-rang a ts'eptjoang, ho amohela mekhoa e itekanetseng ea ts'ebetso ea motlakase e le phapanyetsano ea botsitso ba nako e telele.

Tšebelisano ea Tsamaiso ea Mocheso

Lisebelisoa tsa bongaka tse sebetsang li kopana le lisele tsa motho li tobana le lithibelo tse thata tsa mocheso ho thibela kotsi ea mokuli. Meralo ea HDI PCB bakeng sa lisebelisoa tsa elektroniki tsa bongaka e tlameha ho kenyelletsa likarolo tsa taolo ea mocheso ho kenyeletsoa li-via tse khethehileng tsa mocheso, libaka tsa ho tšela koporo bakeng sa ho hasana ha mocheso, le ho beoa ha likarolo tsa maano ho fokotsa libaka tse chesang.

Botšepehi le Teko Libotong tsa HDI tsa Bongaka

Maemo a Indasteri le Khethollo

Li-PCB tsa HDI tsa bongaka li lumellana le litekanyetso tsa IPC-6012 tsa Sehlopha sa 3 kapa tsa Sehlopha sa 3A, tse emelang maemo a phahameng ka ho fetisisa a ho tšepahala a hlalosoang ke litekanyetso tsa indasteri. Likarolo tsena li laela ho fokotsa ho mamellana ha sebaka sa li-conductor, ho eketsa botenya ba koporo ka mekoting, le taolo e ntlafalitsoeng ea tšebetso ha e bapisoa le lisebelisoa tsa elektroniki tsa bareki.

Teko ea ts'epo ea Microvia ke karolo ea bohlokoa ea lengolo la bongaka la HDI PCB. Tlhahlobo ea likarolo tse fapaneng e netefatsa botenya ba koporo ea moqomo, ho ba sieo ha li-void kapa li-discontinuity, le ho tlatsa resin e nepahetseng e pakiloeng ka meaho. Teko ea conductive anodic filament e lekola khanyetso ea boto khahlanong le mefokolo ea ho falla ha electrochemical tlas'a mongobo le khatello ea motlakase.

Ho netefatsoa ha Khatello ea Tikoloho

Li-PCB tsa HDI tsa boemo ba bongaka li etsa liteko tse potlakileng tsa bophelo tse lebisang ho palama baesekele lipakeng tsa maemo a ts'ebeletso a feteletseng a lebelloang, ho pepeseha ha mongobo mochesong o phahameng, le moemeli oa ts'isinyeho ea mochini oa ho tsamaisa le ho sebetsana le khatello ea maikutlo.

Litlhoko tsa litokomane tsa ho sala morao le taolo ea ts'ebetso bakeng sa tlhahiso ea PCB ea HDI ea bongaka li feta tsa liindasteri tse ling tse ngata. Karolo e 'ngoe le e 'ngoe ea tlhahiso e hloka lirekoto tse qaqileng tsa mangolo a netefatso ea thepa, liparamente tsa ts'ebetso mohatong o mong le o mong oa tlhahiso, le liphetho tsa tlhahlobo tse ka lateloang ho liboto kapa liphanele ka bonngoe.

Likopo tse Tloaelehileng tsa Li-PCB tsa Bongaka tsa HDI

Lisebelisoa tsa Meriana tse kentsoeng

HDI PCB bakeng sa li-pacemaker le li-neurostimulators e emela ts'ebeliso e boima ka ho fetisisa ea theknoloji e nyane ea PCB ho lisebelisoa tsa elektroniki tsa bongaka. Lisebelisoa tsena li hloka ts'epahalo e feteletseng ho feta nako ea bophelo ea ts'ebetso e lekantsoeng ka lilemo kapa mashome a lilemo ha li ntse li sebetsa ka bongata bo qobelloang ke mefokolo ea anatomical.

Liboto tsa potoloho li ts'ehetsa ts'ebetso e rarahaneng ho kenyelletsa tlhahiso ea phallo ea kalafo, li-amplifiers tse utloang, telemetry e se nang mohala, le taolo ea matla, kaofela ha li ntse li boloka biocompatibility le hermeticity ka har'a libaka tse koetsoeng. Lits'ebetso tsa phepelo ea lithethefatsi tse kentsoeng, li-implants tsa cochlear, le lisebelisoa tse tebileng tsa ho hlasimolla boko ka mokhoa o ts'oanang li itšetlehile ka theknoloji ea HDI PCB ho fihlela boima ba likarolo tse hlokahalang.

Lisebelisoa tsa ho Etsa Litšoantšo tsa Tlhahlobo

Li-PCB tse nyane tsa HDI lits'ebetsong tsa ultrasound li thusa meralo ea li-probe e nang le lipalo tse ntseng li eketseha tsa liteishene le bokhoni bo ntlafalitsoeng ba ho etsa khanya ha e ntse e fokotsa bophara ba probe le boima ba 'mele. Liboto tsa potoloho li tsamaisa lipontšo tsa maqhubu a phahameng ho tloha ho li-transducer arrays ho ea ho sebetsa lisebelisoa tsa elektroniki ha li ntse li boloka taolo ea impedance le ho fokotsa crosstalk lipakeng tsa liteishene.

Sistimi ea computed tomography le magnetic resonance imaging e sebelisa li-PCB tsa HDI ka har'a li-detector array, li-coil tsa gradient, le li-module tsa ts'ebetso ea mats'oao moo mathata a sebaka le litlhoko tsa khokahano ea motlakase li hlokang theknoloji e tsoetseng pele ea khokahano.

Li-Monitor tsa Bophelo bo Botle bo Aparetsoeng

HDI PCB ho li-patches tsa ECG le li-monitor tsa tsoekere li thusa ho etsa hore tlhahlobo e tsoelang pele ea 'mele e sebetse bakeng sa likopo tsa tlhokomelo ea bakuli ba kantle le lapeng. Lisebelisoa tsena li kenyelletsa li-electrode tse utloang, boemo ba matšoao a analog, phetoho ea analog-to-digital, ts'ebetso ea microcontroller, le phetisetso ea data e se nang mohala ka har'a li-patches tse ka bang lisenthimithara ka bophara.

Di-monitor tsa glucose tse tswelang pele di bontsha diphephetso tsa kopanyo tse rarollotsweng ke theknoloji ya bongaka ya HDI PCB. Disebediswa tsena di kopanya di-sensor tsa electrochemical tse hlokang tekanyo e nepahetseng ya analog, di-algorithms tsa calibration tse sebetsang ho di-processor tse kentsweng, le di-transceiver tsa Bluetooth Low Energy bakeng sa kgokelo ya di-smartphone.

Lisebelisoa tsa ho Buoa le Liroboto

Rigid-flex HDI PCB bakeng sa litsamaiso tsa ho buoa tsa liroboto li fana ka litsamaiso tsa potoloho tse mahlakore a mararo tse hlokahalang bakeng sa mekhoa ea lisebelisoa tse boletsoeng ha li ntse li boloka ts'epahalo tlas'a lipotoloho tse phetoang khafetsa. Motsoako oa likarolo tse thata tsa likarolo tsa likarolo tsa matlo le likhokahano tse feto-fetohang tse amohelang motsamao oa mochini li etsa hore meralo ea lisebelisoa e se ke ea sebetsa ka li-cable tsa discrete.

Lisebelisoa tsa ho buoa tse hlaselang haholo li ntse li kenyelletsa lisebelisoa tsa elektroniki tse tsoetseng pele tse kenyelletsang li-sensor tsa matla, li-encoder tsa boemo, litekanyo tsa ho thibela lisele, le radiofrequency kapa lisebelisoa tsa ultrasonic tsa phepelo ea matla. Theknoloji ea HDI PCB e amohela mesebetsi ena ea elektroniki ka har'a li-diameter tsa lisebelisoa tse lekantsoeng ka limilimithara.

Mehopolo ea Tlhahiso le Kopano bakeng sa Medical HDI PCB

Microvia Formation le Plating Control

Mekhoa ea ho cheka ka laser bakeng sa li-microvias tsa HDI PCB tsa bongaka li hloka taolo e nepahetseng ea matla a ho otla, sekhahla sa ho pheta-pheta, le litekanyetso tsa ho phunya ho finyella ka tsela e tsitsitseng ka bophara le marako a sekoti a hloekileng ntle le ho tlotsa resin kapa ho senya mocheso ho likarolo tse ka tlaase tsa koporo.

Litlhoko tsa bohlokoa tsa ts'ebetso li kenyelletsa:

• Ntlafatso ea paramente ea laser - Taolo e nepahetseng ea matla a pulse le sekhahla sa ho pheta-pheta se tiisa ho ts'oana ka bophara le marako a hloekileng a lesoba ntle le tšenyo ea mocheso.
• Desmear le mekhoa ea ho khutlela morao - Ho tlosoa ka ho feletseng ha masala a resin ho theha topography e nepahetseng ea holim'a mobu bakeng sa ho khomarela lera la koporo ha ho ntse ho qoba tahlehelo e feteletseng ea koporo.
• Electroplating uniform - Taolo e hlokolosi ea k'hemistri ea plating le sets'oants'o sa hona joale se fihlella botenya ba koporo bo tlase ho likete tsa microvias.

Seboka sa Karolo ea Precision

Ho beoa ha karolo e phahameng haholo ho li-PCB tsa HDI tsa bongaka hangata ho kenyelletsa lihlopha tsa li-ball-pitch tse nang le li-diameter tse ka tlase ho 0.3mm, liphutheloana tsa chip-scale tse atamelang boholo ba 'mele, le likaroloana tse sa sebetseng ka 01005 kapa lintlha tse nyane.

Khetho ea ho qetela e lekanya litlhoko tsa ho rekisoa khahlano le biocompatibility le menahano ea ts'epo ea nako e telele. Mekhahlelo ea khauta e se nang motlakase ea nickel e fana ka botsitso bo botle le ho hanyetsa kutu ha e ntse e ts'ehetsa lipotoloho tse ngata tsa phepelo nakong ea kopano. Electroless nickel electroless palladium mmersion gold finishes e fana ka bokhoni bo matlafalitsoeng ba khokahanyo ea terata bakeng sa likopo tsa kopano e nyalisitsoeng.

Bohloeki le Taolo ea Tšilafalo

Litlhaloso tsa kopano ea PCB ea boemo ba bongaka li laela litlhoko tse thata tsa bohloeki ho feta lisebelisoa tsa elektroniki tsa bareki, ka meeli ea tšilafalo ea ionic e lekantsoeng ka li-microgram tsa sodium chloride e lekanang ka square inch. Mekhoa ea ho hloekisa kamora ho kopanya e tlameha ho tlosa masala a phallo, li-activator tsa solder paste, le lik'hemik'hale tsa ts'ebetso ntle le ho kenya tšilafalo e eketsehileng kapa likarolo tse senyang maikutlo.

Kopo ea ho roala ka mokhoa o hlophisitsoeng e fana ka ts'ireletso ea tikoloho bakeng sa li-PCB tsa HDI tsa bongaka ha li ntse li hloka taolo e hlokolosi ea ts'ebetso ho boloka ho ts'oana ha seaparo le ho qoba libubble tsa moea tse qabeletsoeng kapa tšireletso e sa lekaneng. Khetho ea thepa ea ho roala e tlameha ho sebetsana le litlhoko tsa biocompatibility ha e ntse e fana ka thepa e nepahetseng ea thibelo ea mongobo, matla a dielectric, le ho tenyetseha.

fihlela qeto e

Theknoloji ea bongaka ea HDI PCB e fana ka motheo oa bohlokoa bakeng sa ho ntlafatsa bokhoni ba lisebelisoa tsa bongaka ho lebisa ho nepahala ho hoholo, lintlha tse nyane, le ts'epo e matlafalitsoeng. Ka ho ela hloko ka hloko khetho ea thepa, moralo oa li-stackup, taolo ea ts'ebetso ea tlhahiso, le tlhahlobo e matla ea mangolo, li-PCB tsa HDI tsa bongaka li thusa lisebelisoa tse ntlafatsang sephetho sa mokuli ha li ntse li fihlela litlhoko tse thata tsa taolo.

Ho Highleap Electronics, re fana ka litharollo tse tšepahalang tsa bongaka tsa HDI PCB tse tšehelitsoeng ke bokhoni bo felletseng ba tlhahiso:

• Mekhoa e netefalitsoeng ea ISO 13485 - Ho lumellana ka botlalo le litekanyetso tsa taolo ea boleng ba lisebelisoa tsa bongaka ho netefatsa boleng bo tsitsitseng ba sehlahisoa le ho lumellana le melao.
• Bokhoni bo tsoetseng pele ba ho haha - Lesebelisoa tsa morao-rao tsa ho phunya laser le lisebelisoa tsa ho lamination tse latellanang li tšehetsa mehaho e rarahaneng ea HDI e nang le li-microvias ho fihlela ho 0.1mm bophara.
• Liprothokholo tsa tlhahlobo e felletseng - Teko ea thuto ea IPC-6012 ea Sehlopha sa 3A, tlhahlobo ea ho ts'epahala ha microvia, le tekanyo ea tšilafalo ea ionic e netefatsa botšepehi ba boto.
• Litšebeletso tsa kopano ea boemo ba bongaka - Ho beoa ka mokhoa o nepahetseng oa SMT, ho phetheloa ha bokaholimo ba biocompatible, le lits'ebetso tse laoloang tsa bohloeki li tšehetsa tharollo e felletseng ea li-turnkey.

Re mema baenjiniere ba lisebelisoa tsa bongaka le lihlopha tsa nts'etsopele ea lihlahisoa ho buisana ka hore na boiphihlelo ba rona ba HDI PCB bo ka tšehetsa nts'etsopele ea lisebelisoa tsa hau tsa moloko o latelang joang. Ikopanye le sehlopha sa rona sa botekgeniki ho hlahloba hore na Highleap Electronics e ka kenya letsoho joang ntlafatsong ea lisebelisoa tsa hau tsa bongaka.