Ho bapisa Rogers, Taconic, le Isola Materials bakeng sa RF PCBs

Selelekela

Moralong oa potoloho ea maqhubu a phahameng, khetho ea thepa e khetholla ka ho toba botšepehi ba lets'oao, tahlehelo ea ho kenya, le ts'ebetso ea mocheso. Ha e sebetsa ho spectrum ea GHz, papiso ea thepa ea RF PCB e ba ea bohlokoa bakeng sa baenjiniere ba leka-lekanya ts'ebetso khahlanong le lithibelo tsa litšenyehelo. Rogers vs Taconic vs Isola bakeng sa RF PCB e emela mekhoa e meraro e ka sehloohong ea boenjiniere ba substrate, e 'ngoe le e 'ngoe e fana ka litšebelisano tse fapaneng thepa ea dielectric, tlhahiso, le meaho ea litheko. Ha u khetha pakeng tsa RO4350B le RO4003C , bapisa thepa ea motlakase e tlalehiloeng, likhetho tsa botenya le litlhoko tsa kopano bakeng sa ts'ebeliso ea 'nete.

Rogers Corporation e etella pele lits'ebetsong tse nang le tahlehelo e tlase haholo, Taconic e ipabola litharollong tse phahameng tse thehiloeng ho PTFE, 'me Isola e fana ka mekhoa e meng e theko e tlaase e lumellanang le lits'ebetso tse tloaelehileng tsa tlhahiso. Papiso ena e hlahloba kamoo lelapa le leng le le leng la thepa le sebetsanang le litlhoko tsa tekheniki tsa litsamaiso tsa sejoale-joale tsa RF, ho tloha meralong ea motheo ea 5G ho ea ho li-module tsa radar tse sebetsang kaholimo ho 20 GHz. Ha u hlahloba mekhoa e meng ho feta RO4350B , bapisa ho lumellana ha ts'ebetso le liphetoho tse hlokahalang tsa moralo hammoho le lipalo tsa dielectric le tahlehelo tse phatlalalitsoeng.

Kakaretso ea Litlhoko tsa Lintho tsa Bohlokoa tsa RF PCB

Lisebelisoa tsa PCB tsa maqhubu a phahameng li tlameha ho boloka dielectric constant e tsitsitseng (Dk) ho pholletsa le mefuta ea mocheso ha li ntse li fokotsa tahlehelo ea tangent (Df) ho boloka bophahamo ba matšoao. Maqhubung a ka holimo ho 10 GHz, esita le liphapang tse nyane ho Dk li baka ho se lumellane ho theolelang tahlehelo ea ho khutla le ho eketsa litekanyetso tsa liphoso. Bophahamo ba substrate le bona bo ba bohlokoa, kaha ho se tloaelehe ha bokaholimo ho atamelang boholo ba maqhubu ho ka hlahisa khopamiso ea karolo.

Litheknoloji tse tharo tsa mantlha tsa thepa li laola tlhahiso ea RF PCB: PTFE e hloekileng (polytetrafluoroethylene) e fana ka tahlehelo e tlase haholo empa e hloka ts'ebetso e ikhethang, li-composites tse tlatsitsoeng ka ceramic li fana ka botsitso ka ts'ebetso e leka-lekaneng, 'me mefuta e nyalisitsoeng ea resin ea hydrocarbon e etsa hore e tsamaellane le lisebelisoa tse tloaelehileng tsa tlhahiso ea FR-4. Papiso ea thepa ea RF PCB qetellong e mabapi le ho bapisa litšobotsi tsena tsa substrate ho li-band frequency tsa kopo le lithibelo tsa tlhahiso.

Thepa ea Rogers bakeng sa li-PCB tsa RF

Mela ea Sehlahisoa le Litšobotsi

Rogers RO4003C le 4350B li emela maemo a indasteri bakeng sa meralo e laoloang ea impedance, e nang le resin ea hydrocarbon e tletseng ceramic e nang le boleng ba Dk ba 3.38 le 3.48 ka ho latellana. Li-laminate tsena li fana ka ts'ebetso e tsitsitseng ea motlakase ha li ntse li boloka ho lumellana le lits'ebetso tsa kopano tse se nang loto. RT/duroid 5880 e sebelisa PTFE e matlafalitsoeng ka khalase e nang le Dk e tloaelehileng ea 2.20 le tangent e tloaelehileng ea tahlehelo ea 0.0009 ho 10 GHz, e leng se etsang hore e be khetho e khethiloeng bakeng sa lits'ebetso tsa maqhubu a millimeter moo tahlehelo ea ho kenya e amang ka kotloloho mefuta ea sistimi.

Melemo ea Ts'ebetso

Lisebelisoa tsa Rogers li ipabola lits'ebetsong tse batlang taolo e nepahetseng ea impedance ho pholletsa le maqhubu a mangata. Litaelo tse thata tsa mamello ea Dk li netefatsa hore likhoele tsa phetisetso ea 50-ohm li boloka ts'oaetso ea sebopeho ka har'a ± 2 ohms ka ho fapana ha tlhahiso. Litefiso tse tlase haholo tsa Df li etsa hore motho a fokotsehe ka nako e telele le marang-rang a phepelo ea manakana. Li-coefficients tsa mocheso li lula li tsitsitse ho tloha ho -55 ° C ho ea ho +125 ° C, e leng tsa bohlokoa bakeng sa lisebelisoa tsa radar ea sefofane le likoloi tse nang le ho fetoha ho feteletseng ha tikoloho.

Maikutlo a Tlhahiso le Litšenyehelo

Ts'ebetso ea premium ea Rogers laminates e tla le nako e telele ea ho etella pele le litšenyehelo tse phahameng tsa thepa ha li bapisoa le mekhoa e meng. Li-substrates tse thehiloeng ho PTFE li hloka mekhoa e fetotsoeng ea ho cheka le ho lokisoa ka mokhoa o khethehileng oa holim'a metsi bakeng sa ho khomarela li-plating tse tšepahalang. Leha ho le joalo, ha papiso ea thepa ea RF PCB e etelletsa pele ts'ebetso ea motlakase ho feta theko, lisebelisoa tsa Rogers li lokafatsa litšenyehelo tsa tsona ka ho ts'epahala ho hoholo lits'ebetsong tsa bohlokoahali.

Lisebelisoa tsa Taconic bakeng sa RF PCBs

Material Portfolio Overview

Taconic RF-35 e kopanya fiberglass e lohiloeng le resin ea PTFE ho fihlela Dkt ea 3.50 le tangent ea tahlehelo ea 0.0018 ho 10 GHz, e leka-lekanya ts'ebetso ea motlakase le matla a mechini. Letoto la TLY-5A le fana ka Dkt e tlase (2.20) bakeng sa lits'ebetso tse hlokang bophara bo fokotsehileng ba trace, ha CER-10 e fana ka konteraka e phahameng ea dielectric (10.0) bakeng sa meralo ea sefe ea microstrip e nyane. Bophara bona bo etsa hore Taconic e qothisane lehlokoa ho pholletsa le papiso ea Rogers vs Taconic vs Isola bakeng sa lits'ebetso tsa maqhubu a mahareng.

Matla a Theknoloji

Kaho ea PTFE e tlatsitsoeng ka ceramic e fana ka botsitso bo botle ba maemo nakong ea libaesekele tse futhumetseng, 'me CTE (coefficient of thermal expansion) e ts'oana haufi-ufi le koporo. Sena se fokotsa katoloso ea z-axis e ka bakang mathata a ts'epahalang ka har'a meralo e mengata. Lisebelisoa tsa Taconic li boloka litšobotsi tse tlaase tsa tahlehelo ho fihlela ho 40 GHz, tse loketseng li-module tsa 5G millimeter-wave front-end modules le li-point-to-point wireless backhaul systems.

Meeli le Lintlha tsa Ts'ebetso

Li-laminates tse thehiloeng ho PTFE li hloka khatello e laoloang nakong ea li-multilayer lamination ho qoba ho se lumellane ha phallo ea resin e amang ho tšoana ha Dk. Matla a mochini a oela ka tlase ho maemo a FR-4, a hlokang li-substrate tse teteaneng kapa meaho ea tšehetso lits'ebetsong tse nang le ts'ebeliso e phahameng ea vibrate. Boemo ba litšenyehelo bo lutse pakeng tsa lihlahisoa tsa premium tsa Rogers le mekhoa e meng ea Isola, ho etsa hore Taconic e be khetho ea pragmatic ha papiso ea thepa ea RF PCB e tlameha ho leka-lekanya ts'ebetso le lithibelo tsa tekanyetso.

Lisebelisoa tsa Isola bakeng sa RF PCBs

Sehlahisoa sa Mehaho

Isola I-Tera MT40 e sebelisa sistimi ea resin e ikemetseng e fihlelang Drk ea 3.45 ka tahlehelo ea tangent ea 0.0031 ho 10 GHz, e felisa PTFE ka botlalo ho nolofalletsa ts'ebetso meleng ea tlhahiso ea FR-4 e tloaelehileng. Astra MT77 e theola Drk ho 3.00 bakeng sa ho fokotsa puisano ea crosstalk likopanong tse teteaneng tsa dijithale-RF tse kopantsoeng. Mohala oa TerraGreen o eketsa ho lieha ha lelakabe ho se nang halogen bakeng sa ho latela tikoloho ntle le ho beha ts'ebetso ea motlakase maemong a ka tlase ho 20 GHz.

Melemo ea Tlhahiso

Ho lumellana ka botlalo le ts'ebetso e tloaelehileng ea khalase ea epoxy ho felisa litlhoko tse khethehileng tsa lisebelisoa bakeng sa ho cheka, ho tsamaisa le ho qeta bokaholimo. Sena se fokotsa haholo litšenyehelo tsa tlhahiso le linako tse etellang pele ha li bapisoa le lisebelisoa tsa PTFE. Li-substrates tsa Isola li boetse li nolofatsa li-stackups tsa dielectric tse tsoakiloeng moo likarolo tsa RF li kopanang le likarolo tse phahameng tsa dijithale, ho qoba mathata a lamination a tlhaho ho kopanya PTFE le prepregs e tloaelehileng. Ha ho hlahlojoa Rogers vs Taconic vs Isola bakeng sa RF PCB, Isola e ipabola moo katleho ea tlhahiso e amang moruo oa morero ka kotloloho.

Meeli ea Ts'ebetso

Le hoja lisebelisoa tsa Isola li sebetsa hantle ka maqhubu a X-band, tahlehelo ea ho kenya e eketseha ka mokhoa o hlokomelehang ka holimo ho 20 GHz ha e bapisoa le Rogers RT / duroid kapa Taconic TLY series. Botsitso bo sa feleng ba dielectric ho pholletsa le mocheso bo paka bo lekaneng bakeng sa lits'ebetso tsa khoebo empa bo haelloa ke lintlha tsa sebaka sa sefofane. Papiso ea thepa ea RF PCB e bonts'a Isola e lutse sebakeng se monate bakeng sa lisebelisoa tsa IoT, lisebelisoa tse se nang mohala tsa indasteri, le lisebelisoa tsa 5G tse theko e boima moo ts'ebetso e amohelehang ea motlakase e nolofalletsang maano a theko e matla.

Rogers vs Taconic vs Isola - Tlhahlobo ea Papiso

Tafole e latelang e akaretsa lintlha tsa bohlokoa tsa papiso ea thepa ea RF PCB ho bahlahisi ba bararo:

Lisebelisoa tsa Rogers li fana ka ts'ebetso e nepahetseng bakeng sa lits'ebetso moo botšepehi ba matšoao bo ke keng ba sekisetsoa, ​​​​ho lokafatsa litheko tsa premium ka litšobotsi tse phahameng tsa motlakase le botsitso ba mocheso. Tahlehelo e tlase haholo le mamello e thata ea Dk e thusa meralo e sutumelletsang ho 110 GHz ho likhokahano tsa satellite le lits'ebetso tsa radar ea likoloi.

Taconic e nka sebaka se bohareng ho papiso ea Rogers vs Taconic vs Isola, e fanang ka ts'ebetso e thehiloeng ho PTFE ka litšenyehelo tse fokotsehileng. Mohaho o tlatsitsoeng ka ceramic o fana ka matla a mochini ha o ntse o boloka litšobotsi tsa tahlehelo tse loketseng liteishene tsa 5G le lihokelo tsa microwave point-to-point tse sebetsang ka tlase ho 40 GHz.

Lisebelisoa tsa Isola li etelletsa pele tlhahiso le katleho ea litšenyehelo, li etsa hore e be tse loketseng bakeng sa lihlahisoa tse phahameng tsa khoebo moo papiso ea thepa ea RF PCB e lokelang ho rata tlhahiso ea scalability. Bokhoni ba ho sebetsana le li-substrates tsena ho lisebelisoa tse tloaelehileng tsa masela bo fokotsa matsete a lisebelisoa le ho potlakisa liphetoho tsa prototype-to-production.

Tataiso ea ho Khetha Lisebelisoa Bakeng sa Lisebelisoa tse Fapaneng

Litsamaiso tsa Lipuisano le Radar

Limojule tsa radar tsa sesole le tsa moeeng tse sebetsang ho Ka-band (26.5-40 GHz) li hloka Rogers RT/duroid 5880 kapa li-substrates tsa tahlehelo e tlase haholo ho holisa sebaka sa ho lemoha. Li-antenna tse hlophisitsoeng ka mekhahlelo li rua molemo ho Rogers 4350B bakeng sa ho tsamaisana hantle le likarolo tse makholo. Ha papiso ea thepa ea RF PCB e etelletsa pele ho ts'epahala ho netefalitsoeng tikolohong e thata, lisebelisoa tsa Rogers li lula e le tsona tse ikhethileng ho sa tsotellehe litšenyehelo tse phahameng tsa ho reka.

5G Infrastructure and Wireless

Li-arrays tse kholo tsa liteishene tsa MIMO li hloka ts'ebetso e tsitsitseng ea motlakase libakeng tse kholo tsa liphanele, ho etsa khetho e nepahetseng ea Taconic RF-35 kapa Rogers 4003C. Lisebelisoa tse nyane tsa lisele le lisebelisoa tsa meaho ea bareki li ntse li tsoela pele ho amohela Isola I-Tera MT40 ho fokotsa litšenyehelo tsa thepa ha e ntse e kopana le litlhoko tsa 3GPP spectral mask. Qeto ea Rogers vs Taconic vs Isola e itšetlehile ka ho leka-lekanya litlhoko tsa lichelete tsa lichelete khahlanong le boholo ba tlhahiso.

Industrial Automation le IoT

Marang-rang a se nang mohala le litsamaiso tsa taolo ea indasteri tse sebetsang ka tlase ho 6 GHz li fumana lisebelisoa tsa Isola li fana ka ts'ebetso e lekaneng le melemo ea bohlokoa ea litšenyehelo. Thepa e nolofalitsoeng e etsa hore ho be le liphetoho tse potlakileng tsa moralo nakong ea nts'etsopele. Ha papiso ea thepa ea RF PCB e kenyelletsa tlhahiso e le ntho ea mantlha, Isola substrates e potlakisa nako ea ho ea 'marakeng ha e ntse e boloka ho latela melao ea EMC bakeng sa likopo tse sa ngolisoang tsa marang-rang.

Mehopolo ea Tlhahiso le Tšebelisano ea Ts'ebetso

Litlhoko tsa Ts'ebetso ea PTFE

Li-laminate tsa Rogers le Taconic PTFE li hloka mocheso o phahameng oa lamination (260-280 ° C) le litekanyetso tsa ho pholisa tse laoloang ho thibela warpage meahong e mengata. Lisebelisoa tsa ho cheka li tlameha ho sebelisa li-geometri tse khethehileng ho qoba delamination, ka phetolo ea khafetsa e bolokang boleng ba lesoba. Kalafo ea holim'a metsi ka sodium etching kapa ts'ebetso ea plasma e tiisa hore ho na le koporo e lekaneng bakeng sa plating ea electroless. Mekhoa ena e khethehileng e fokotsa khetho ea baetsi ba lihlahisoa le ho atolosa linako tsa tlhahiso.

Li-stackups tsa Hybrid Dielectric

Lisebelisoa tsa Isola li ipabola ka har'a meralo e tsoakiloeng ea dielectric moo likarolo tsa RF li kopanang le likarolo tse phahameng tsa dijithale tsa routing. Bonding e tloaelehileng ea prepreg e felisa liphephetso tsa PTFE-to-FR-4 tse ka bakang liphoso tsa ho ngolisa lera le ho se lumellane ha z-axis katoloso. Sena se nolofatsa taolo ea impedance le ho fokotsa litefiso tsa sekhechana nakong ea lamination ea multilayer. Ha papiso ea thepa ea RF PCB e kenyelletsa metrics ea tlhahiso ea kopano, li-substrates tsa Isola li bonts'a melemo e hlakileng bakeng sa lihlahisoa tse rarahaneng tse tsoakiloeng.

Bokhoni ba Bohlokoa ba ho Etsa

Tlhahiso e atlehileng ea RF PCB e hloka teko e laoloang ea impedance ka netefatso ea TDR (time-domain reflectometry), setšoantšo se tobileng sa laser bakeng sa ho etsa lipaterone tse ntle, le lifoile tsa koporo tse se nang mafome ho fokotsa tahlehelo ea mokhanni maqhubung a microwave. Taolo ea mongobo oa thepa le bokhoni ba ho cheka ka laser li fetoha tlamo bakeng sa meralo e tsoetseng pele. Ho khetha balekane ba tlhahiso ba nang le boiphihlelo bo tlalehiloeng ho Rogers vs Taconic vs Isola ts'ebetsong ho ipaka ho le bohlokoa joalo ka khetho ea thepa ka boeona.

fihlela qeto e

Papiso ena ea thepa ea RF PCB e bonts'a hore Rogers, Taconic, le Isola e mong le e mong o na le likarolo tse ikhethileng moralong oa maqhubu a holimo. Li-laminate tsa Rogers li fana ka ts'ebetso e etellang pele indastering bakeng sa litsamaiso tsa RF tsa ultra-high-frequency le precision RF, litšenyehelo tsa ho leka-lekana ha thepa ea Taconic le botsitso ba motlakase bakeng sa lits'ebetso tse tloaelehileng tsa khoebo, athe Isola substrates e hatisa tlhahiso le scalability bakeng sa tlhahiso e phahameng. Ho khetha thepa e nepahetseng ho hloka ho leka-lekanya ts'ebetso ea dielectric, litšenyehelo, le ts'ebetso e lumellanang ho latela litlhoko tsa sistimi ea hau le bokhoni ba tlhahiso.

Bokhoni ba Highleap Electronics:

• Ho feto-fetoha ha lintho tse bonahalang - Tsebo ea ho sebetsana le Rogers, Taconic, le Isola laminates bakeng sa lisebelisoa tsa RF le microwave.
• Taolo e nepahetseng ea impedance - Mamello e matla ea impedance e fihlelletsoeng ka botenya ba dielectric bo laoloang le ts'ebetso ea mohala oa phetisetso.
• Khokahano ea li-hybrid stackup - Lamination e se nang seam ea meaho e tsoakiloeng e kopanyang PTFE le likarolo tse seng tsa PTFE.
• Qetello e tlase e tlase - ENEPIG e tsoetseng pele le silevera ea ho qoelisoa e fokotsa tahlehelo ea ho kenya ka maqhubu a phahameng.
• Ho tšepahala ha mocheso - Ts'ebetso e netefalitsoeng tlas'a libaesekele tse futhumetseng le maemo a phahameng a matla a RF a ho kenya.

Highleap Electronics e tšehetsa baenjiniere ho khetheng le ho hlahiseng thepa e nepahetseng ea RF PCB bakeng sa ts'ebetso e ntle le ts'epo. Ikopanye le rona ho buisana ka projeke ea hau ea RF kapa microwave PCB le ho hlahloba hore na boiphihlelo ba rona ba tlhahiso bo ka ntlafatsa moralo oa hau o latelang oa maqhubu a phahameng joang.