Ho Khetha Lisebelisoa tsa PCB tsa Microwave tse nepahetseng bakeng sa HF PCBs

Selelekela: Ho Khetha Lisebelisoa tsa PCB tsa Microwave tse Nepahetseng bakeng sa Likopo tsa Ts'ebetso e Phahameng

Ha ho ralwa di-PCB tsa maqhubu a hodimo le tsa microwave—ebang ke bakeng sa diteishene tsa motheo tsa 5G, puisano ya sathelaete, ditsamaiso tsa sefofane, radar ya dikoloi, kapa di-elektroniki tsa tshireletso—kgetho ya thepa e etsa qeto ka ho toba ka tshebetso. Di sebetsa ho tloha ho 1 GHz ho isa ho 30+ GHz, diboto tsena di hloka di-substrate tse fanang ka tahlehelo e tlase ya letshwao, thepa e tsitsitseng ya dielectric, taolo e sebetsang ya mocheso, le taolo e tshepahalang ya impedance. Bakeng sa tlhahiso ya RT/duroid 5870 ya microwave-board , netefatsa botenya bo fumanehang ba dielectric le koporo pele o fetolela moralo wa motlakase hore e be stackup ya tlhahiso.

Ho Highleap Electronics, ha re etse li-PCB tsa microwave feela—re feme ea PCB e nang le mahlale a felletseng e khonang ho hlahisa tsohle ho tloha ho liboto tse tloaelehileng tsa FR-4 ho isa ho multilayer, HDI, flexible, rigid-flex, le tšepe-core PCBs. Bokhoni bona bo pharaletseng bo tiisa hore, leha re ntse re ipabola ho lisebelisoa tse khethehileng tsa microwave PCB joalo ka Rogers, Taconic, le Nelco, re boetse re ts'ehetsa bareki ka mefuta e fapaneng ea tharollo ea PCB ho pholletsa le liindasteri tse fapaneng.

Tataiso ena e hlahloba lintlha tsa bohlokoa ha ho khethoa thepa ea microwave PCB, e bapisa likhetho ho tsoa ho barekisi ba ka sehloohong, 'me e hlalosa kamoo boitseanape ba rona bo felletseng ba PCB bo tiisang botšepehi ba matšoao, ho nepahala ha tlhahiso, le ho ts'epahala ha nako e telele lits'ebetsong tsohle.

Lintlha tsa Bohlokoa Tseo U Lokelang ho li Nahana Ha U Khetha Lisebelisoa tsa Microwave PCB

Hobaneng ha Khetho ea Lisebelisoa e le Bohlokoa Bakeng sa Katleho ea Microwave PCB

Li-PCB tsa microwave li fapane haholo le liboto tsa setso hobane li sebetsa ka har'a mefuta ea maqhubu a GHz, moo esita le liphetoho tse nyane tsa thepa ea thepa li ka bakang mathata a bohlokoa a ts'ebetso. Ho khetha substrate e nepahetseng ha se khetho ea botekgeniki feela—e ama ka kotloloho botšepehi ba lets'oao, ts'epo ea mocheso, bokhoni ba tlhahiso, le ho tšoarella ha nako e telele ha moralo oa hau. Ka tlase ke lintlha tsa bohlokoa tseo moenjiniere e mong le e mong a lokelang ho li nahana:

1. Dielectric Constant (Dk) Stability
Dielectric e lula e etsa qeto ea lebelo la ho phatlalatsoa ha lets'oao le ho ts'oana ha impedance. Bakeng sa meralo ea microwave, ho tsitsa ho bohlokoa ho feta boleng bo felletseng. Lisebelisuoa tse nang le Dk e tsitsitseng lipakeng tsa 2.0 le 4.0 ho 10 GHz li fana ka ts'ebetso ea motlakase e lebellehang ho pholletsa le mekhahlelo le maqhubu, ho netefatsa taolo e nepahetseng ea ho sitisa mesaletsa ea RF, li-antenna le lifilthara.

2. Factor ea Dissipation (Df) le Tahlehelo ea Letšoao
Ka maqhubu a phahameng, esita le tahlehelo e nyane ea matla e fetoha ts'ebetso e senyehileng. Li-substrates tsa Low-Df li fokotsa ho fokotseha ha matšoao, ho boloka lichelete tsa tahlehelo li le thata le ho netefatsa phetisetso e tšepahalang bakeng sa lits'ebetso tse kang liteishene tsa motheo tsa 5G, radar e hlophisitsoeng ka mekhahlelo, le mekhoa ea puisano ea satellite.

3. Tsamaiso ea Mocheso le Botsitso ba Mechini
Li-circuits tsa microwave hangata li tobana le matla a phahameng a matla le ho palama libaesekele tse futhumetseng haholo. Lisebelisoa li tlameha ho boloka botsitso ba sebopeho ntle le delamination, warping, kapa CTE (coefficient of thermal expansion) litaba tse sa tsamaisaneng tse ka senyang li-vias le manonyeletso a solder. Sena se bohlokoa haholo sebakeng sa sefofane, radar ea likoloi, le lisebelisoa tsa elektroniki tsa sesole, moo tikoloho e leng thata.

4. Ho hanyetsa Mongobo oa Mongobo
Mongobo ke sebolaya-mapholi se sa sebetseng hantle bakeng sa di-PCB tsa microwave. Esita le metsi a manyane a monyelang a ka fetola thepa ya dielectric, e leng se lebisang ho diphetoho tse sa lebelloang tsa impedance le tahlehelo e phahameng. Ho kgetha thepa e sa rateng metsi ho netefatsa tshebetso e tsitsitseng ya RF dibakeng tse mongobo, kantle, kapa lewatleng. Lisebelisoa tsa laminate tsa microwave tsa RO3006, khetho e lokela ho nahana ka botenya ba dielectric, tahlehelo, litlhoko tsa boholo le tsela e amohetsoeng ke moetsi oa thepa.

5. Tlhahiso le Tšebelisano ea Ts'ebetso
Ha se li-substrates tsohle tse sebetsang hantle ka tsela e ts'oanang. Lisebelisoa tse kang PTFE e tlatsitsoeng ka ceramic, Rogers, Taconic, le Nelco laminate e 'ngoe le e' ngoe e hloka lipotoloho tse hlophisitsoeng tsa lamination, ho cheka le mekhoa ea ho pola. Ho khetha thepa e nepahetseng ho tlameha ho leka-lekanya lipheo tsa ts'ebetso le ts'ebetso le katleho ea litšenyehelo.

Ho Highleap Electronics, re fana ka mefuta e fapaneng ea lisebelisoa tsa maqhubu a holimo, ho kenyelletsa le likhetho tse tsoang ho li-brand tse etellang pele tse kang Rogers, Taconic, le Nelco. Ka ho sebelisa mekhoa e tsoetseng pele ea tlhahiso le tsebo e tebileng ea thepa, re thusa ho netefatsa hore meralo ea hau ea microwave PCB e fumana tahlehelo e tlase, ts'ebetso e tsitsitseng, le ts'epo ea nako e telele lits'ebetsong tse fapaneng tse batloang. Bakeng sa lintlha tse ling mabapi le lisebelisoa tsena le ho tšoaneleha ha tsona bakeng sa merero ea hau, hlahloba pokello ea rona ea li-substrate tsa maqhubu a phahameng le litharollo tse tšehetsang litlhoko tsa moralo oa hau: https://hilelectronic.com/high-frequency-materials/

Lisebelisoa tsa PCB tsa Microwave bakeng sa Likopo tsa Maqhubu a Phahameng

1. Lisebelisoa tsa PCB tsa Microwave bakeng sa 5G Base Stations

Liteishene tsa motheo tsa 5G li hloka thepa e netefatsang tahlehelo e tlase, taolo e nepahetseng ea impedance, le botsitso bo botle ba mocheso, haholo-holo bakeng sa maqhubu a tlohang ho Sub-6 GHz ho isa ho mmWave. Moralo o nepahetseng oa PCB oa microwave oa bohlokoa ho fihlela botšepehi bo tsitsitseng ba lets'oao li-antenna arrays, lipotolohong tse beamforming, le li-amplifier tsa matla.

Lisebelisoa tse khothalelitsoeng:

• Rogers RO4003C™, RO4350B™, RO3003™
• Taconic TLY-5, RF-35, CER-10
• Isola I-Tera® MT40, FR408HR
• Panasonic Megtron 6, Megtron 7
• Nelco N4000-13EP

2. Lisebelisoa tsa PCB tsa Microwave bakeng sa Radar Systems

Mekhoa ea radar bakeng sa ADAS ea likoloi le lits'ebetso tsa tšireletso li hloka thepa e kopanyang litšobotsi tsa tahlehelo e tlase le botsitso ba mocheso ho netefatsa ho nepahala le ts'epo e phahameng ho 24 GHz, 77 GHz, le maqhubu a phahameng. Liphetho tse tšepahalang li boetse li itšetlehile ka lits'ebetso tse tsoetseng pele tsa tlhahiso ea PCB ea microwave tse bolokang botsitso tlas'a thothomelo le khatello ea mocheso.

Lisebelisoa tse khothalelitsoeng:

• Rogers RO4350B™, RO4835™, RT/duroid® 5880
• Taconic RF-35, CER-10
• Arlon AD1000, AD255C
• Letoto la PTFE le tletseng ka ceramic
• Isola Astra® MT77

3. Lisebelisoa tsa PCB tsa Microwave bakeng sa Puisano ea Satellite

Mekhoa ea puisano ea sathelaete e hloka thepa e nang le botsitso bo phahameng ba maqhubu, tahlehelo e fokolang ea lets'oao, le bokhoni ba ho mamella maemo a feteletseng a tikoloho joalo ka vacuum, mahlaseli le potoloho ea mocheso. Litharollo tsa PCB tsa microwave tse sebetsang hantle li bapala karolo ea bohlokoa ho li-antenna, li-transceiver le litsamaiso tsa payload tse sebetsang libakeng tse batlang li le thata tsa orbital.

Lisebelisoa tse khothalelitsoeng:

• PTFE (Teflon-based) Series, joalo ka Rogers RT/duroid® 5870, 5880
• Rogers RO3003™, RO3035™, RT/duroid 6010.2LM™
• Rogers TMM3, TMM6, TMM10
• Arlon AD450, CLTE-XT
• Isola I-Tera® MT40, Astra® MT77

4. Lisebelisoa tsa PCB tsa Microwave bakeng sa Aerospace Electronics

Lisebelisoa tsa elektronike tsa Aerospace li tlas'a khatello e feteletseng ea mocheso le mechine, e hlokang lisebelisoa tse bolokang botsitso le ts'ebetso tlas'a maqhubu a phahameng le maemo a thata.

Lisebelisoa tse khothalelitsoeng:

• Rogers RO4003C™, RO4835™
• Taconic RF-35, TLY Series
• Arlon CLTE-XT, AD1000
• Isola FR408HR, I-Tera® MT40
• Panasonic Megtron 7R

5. Lisebelisoa tsa PCB tsa Microwave bakeng sa Litsamaiso tsa Radar ea Likoloi

Lisebelisoa tsa radar tsa likoloi (24 GHz, 77 GHz) li hloka lisebelisoa tse sebetsang ka botšepehi tlas'a ho fetoha ha mocheso, mongobo, le ho thothomela kamehla.

Lisebelisoa tse khothalelitsoeng:

• Rogers RO4350B™, RO4835™
• Letoto la PTFE le tletseng ka ceramic
• Taconic RF-35, CER-10
• Arlon AD255C
• Isola Astra® MT77

6. Lisebelisoa tsa PCB tsa Microwave bakeng sa Likopo tsa Tšireletso

Litsamaiso tsa ts'ireletso li hloka ho ts'epahala ho sa thekeseleng, ponts'o e sireletsehileng ea matšoao, le ho tšoarella ho mamella maemo a lebala la ntoa, ho kenyeletsoa ho ts'oha ho hoholo, ho thothomela le mocheso o feteletseng.

Lisebelisoa tse khothalelitsoeng:

• Rogers RO4350B™, RO4835™, RT/duroid® 6006/6010
• Letoto la PTFE le tletseng ka ceramic
• Taconic CER-10, RF-35
• Arlon CLTE-XT, AD1000
• Isola Astra® MT77, FR408HR

Ho khetha thepa e nepahetseng ea microwave PCB ho bohlokoa bakeng sa ho netefatsa ts'ebetso e nepahetseng lits'ebetsong tse fapaneng tsa maqhubu a holimo, ho tloha ho marang-rang a 5G ho isa litsing tsa sefofane. Thepa e thathamisitsoeng ka holimo e 'ngoe le e 'ngoe e fana ka melemo e ikhethang e lumellanang le litlhoko tse itseng, ebang ke bakeng sa ts'ebetso ea tahlehelo e tlase, botsitso bo phahameng ba mocheso, kapa ho tšoarella tlas'a maemo a thata a tikoloho. Ha litlhoko tsa puisano e potlakileng, litsamaiso tse nepahetseng tsa radar, le lisebelisoa tsa elektroniki tse tsoetseng pele li ntse li hola, ho bohlokoa ho utloisisa litlhoko tsa lisebelisoa bakeng sa sesebelisoa ka seng.

Karolong e latelang, re tla hlahloba mekhoa e metle ea ho rala le ho etsa li-PCB tse sebelisang thepa ena, re shebane le mehato eo u ka e nkang ho eketsa ts'ebetso, ts'epahalo le katleho mererong ea hau.

Mekhoa e Molemohali ea ho Rala le ho Etsa Li-PCB tse Sebelisang Lisebelisoa tsa Maqhubu a Phahameng

Ho rala le ho etsa li-PCB ho sebelisa lisebelisoa tse khethehileng tsa maqhubu a phahameng ho hloka mokhoa o nepahetseng le o hlophisitsoeng. Thepa e khethiloeng bakeng sa likopo tse kang liteishene tsa motheo tsa 5G, lisebelisoa tsa radar, le lisebelisoa tsa elektronike tsa aerospace li phetha karolo ea bohlokoa ho netefatsa ts'ebetso, botšepehi le nako e telele ea sehlahisoa sa ho qetela. Ho fihlela liphetho tse nepahetseng, baenjiniere le bahlahisi ba tlameha ho latela mekhoa e metle nakong eohle ea moralo le ts'ebetso ea tlhahiso.

1. Netefatsa Tšebelisano e Loketseng ea Impedance

Ho boloka taolo e nepahetseng ea impedance ho bohlokoa ho meralo ea PCB ea maqhubu a holimo. Khokahano e fosahetseng ea impedance e ka lebisa ho ponts'o ea matšoao, tahlehelo, le ho senyeha ha ts'ebetso ka kakaretso. Ho sebelisa lisebelisoa tsa maqhubu a phahameng a nang le li-constants tsa dielectric tse sa fetoheng le lintlha tse tlase tsa dissipation, joalo ka Rogers RO4003C™ kapa Taconic RF-35, ho thusa ho fihlella ho bapisa ho nepahetseng ha impedance. Lisebelisoa tsa ketsiso li ka sebelisoa ho etsa bonnete ba hore mesaletsa, li-vias, le lipache li boloka ho ts'oaroa ho sa fetoheng ho PCB kaofela.

2. Tsamaiso ea Mocheso le Botsitso

Li-PCB tsa maqhubu a phahameng li hlahisa mocheso, o ka amang ts'ebetso le ts'epahalo haholo. Ho bohlokoa ho khetha lisebelisoa tse nang le botsitso bo botle ba mocheso, joalo ka PTFE e tlatsitsoeng ka Ceramic kapa Arlon AD1000, e ka sebetsanang le ho qhala mocheso ka nepo. Ho phaella moo, li-vias tsa mocheso, licheso tsa mocheso, le ho tšela koporo li lokela ho sebelisoa ho netefatsa hore esita le kabo ea mocheso le ho thibela ho futhumala ha libaka.

3. Ntlafatsa Moralo oa Stack-up oa Layer

Lits'ebetsong tsa maqhubu a holimo, moralo oa li-stack-up oa PCB o bapala karolo ea bohlokoa ho ts'epo le ts'ebetso ea matšoao. Khetho e nepahetseng ea lisebelisoa tsa mantlha le prepreg, hammoho le boemo ba lets'oao, matla le likarolo tsa fatše, li bohlokoa. Mohlala, ha o sebetsa ka lisebelisoa tse kang Rogers RO4350B™ kapa Isola I-Tera® MT40, ho lokela ho lebisoa tlhokomelo e hlokolosi ho fokotsa sebaka se pakeng tsa likarolo ho fokotsa tahlehelo ea mats'oao le ho fokotsa lipuo tse fapaneng.

4. Fokotsa Tahlehelo ea Letšoao ka Lisebelisoa tsa Tahlehelo e Tlaase

Botšepehi ba pontšo ke e 'ngoe ea lintho tse amehang haholo ka meralo ea PCB ea maqhubu a holimo. Lisebelisoa tse nang le lintho tse fokolang tsa ho senya (Df), tse kang PTFE-based materials le Rogers RT/duroid® 6006, li bohlokoa ho fokotsa tahlehelo ea matšoao libakeng tse telele. Ha o rala lits'ebetso tse joalo ka likhokahano tsa sathelaete kapa lisebelisoa tsa radar, ho bohlokoa ho etsa bonnete ba hore lisebelisoa tse sebelisoang li ka boloka phetiso ea mats'oao ka mokhoa o ts'oanang ho feta mefuta e hlokahalang ea maqhubu.

5. Sebelisa mekhoa e tsoetseng pele ea ho etsa lintho

Ho etsa li-PCB tsa maqhubu a phahameng ho hloka mekhoa e tsoetseng pele ea masela ho kopana le mamello e tiileng le ho netefatsa boleng bo tsitsitseng. Mekhoa e kang sequential lamination, precision etching, le automated Optical inspection (AOI) e ka thusa ho netefatsa hore PCB e etsoa ka maemo a holimo. Mekhoa ena e bohlokoa haholo ha o sebetsa ka thepa e kang Rogers RO3003™ kapa PTFE e tletseng Ceramic, e ka 'nang ea e-ba le litlhoko tse fapaneng tsa ho sebetsa ha li bapisoa le lisebelisoa tsa setso tse kang FR-4.

6. Etsa liteko tse matla le ho netefatsa

Hang ha PCB e se e entsoe le ho etsoa, ​​​​ho hlokahala liteko tse matla ho netefatsa hore e sebetsa kamoo ho lebelletsoeng maemong a nnete a lefats'e. Li-PCB tsa maqhubu a holimo li lokela ho etsa tlhahlobo ea botšepehi ba matšoao, joalo ka nako-domain reflectometry (TDR), le liteko tsa ho palama libaesekele ho etsisa maemo a ts'ebetso. Ntle le moo, liteko tsa tikoloho, ho kenyelletsa le liteko tsa vibrate le mongobo, li lokela ho etsoa, ​​​​haholo-holo bakeng sa lits'ebetso tsa likoloi kapa ts'ireletso moo ho ts'epahala ho leng bohlokoa.

Ka ho latela mekhoa ena e metle, lienjineri li ka etsa bonnete ba hore li-PCB tsa bona tsa maqhubu a holimo ha li fihlelle feela litekanyetso tsa ts'ebetso empa hape li ema nako e telele, esita le maemong a boima haholo. Mehato ena, ha e sebelisoa ka nepo, e tla fella ka ts'ebetso e matla ea moralo e eketsang bokhoni ba lisebelisoa tse khethiloeng.

Hobaneng u Khetha Highleap Electronics bakeng sa Litlhoko tsa hau tsa Microwave PCB?

Ho khetha lisebelisoa tse nepahetseng tsa microwave PCB ho bohlokoa bakeng sa ho netefatsa ts'ebetso e phahameng le ts'epahalo lits'ebetsong tsa maqhubu a phahameng joalo ka 5G, radar, likhokahano tsa sathelaete, le litsamaiso tsa ts'ireletso. Ho Highleap Electronics, re fetela ka nģ'ane ho ho fana ka thepa ea pele feela-re fana ka litharollo tse felletseng tsa PCB tse kenyelletsang tlhahiso e nepahetseng, kopano e tsoetseng pele, le tšehetso e ikhethang ka mor'a thekiso ho fihlela litlhoko tsa hau tsa moralo le tlhahiso.

Melemo ea rona ea Bohlokoa:

• Boiphihlelo bo Atileng: Ho feta lilemo tse 15 tsa boiphihlelo ba ho etsa le ho kopanya PCB ea maqhubu a holimo.
• Tlhahiso e nepahetseng le Kopano: Re ikhetha ka Seboka sa PCB lits'ebeletso, ho netefatsa ho kopanngoa ha likarolo ho seamless le ts'ebetso e ntlafalitsoeng bakeng sa meralo ea hau.
• Tsamaiso ea Lefatše ka Bophara le Phetoho e potlakileng: Ka bokhoni ba rona ba ho fumana thepa lefatšeng ka bophara, re fana ka likhetho tse sebetsang hantle tsa thomello le prototyping e potlakileng ho fihlela linako tse behiloeng le litlhoko tsa tlhahiso ea boleng bo holimo.
• Boleng bo netefalitsoeng: ISO 9001: Ts'ebetso ea rona e netefalitsoeng ea 2015 e netefatsa litekanyetso tse phahameng ka ho fetisisa nakong ea Tlhahiso ea PCB, ho netefatsa ho nepahala le ho tšepahala.
• Tšehetso ka mor'a Thekiso: Boitlamo ba rona ba ho khotsofatsa bareki ha bo fele ka mor'a ho fihla. Re fana ka tšehetso e matla ka mor'a thekiso ho netefatsa hore lihlahisoa tsa hau li tsoela pele ho sebetsa ka hohle kamoo li ka khonang.

Ho Highleap Electronics, re kopanya thepa ea sejoale-joale, bokhoni ba tlhahiso ba sejoale-joale, le mokhoa o shebaneng le bareki ho fana ka litharollo tse ntle ka ho fetisisa tsa PCB tsa microwave bakeng sa merero ea hau. Ho tloha moralo oa PCB ho ea kopanong, u ka re tšepa hore re tla phethahatsa meralo ea hau ea maqhubu a phahameng ka ts'ebetso e phahameng le mathata a fokolang.

Iteanye le Rona Kajeno

Na u ikemiselitse ho isa projeke ea hau ea microwave PCB boemong bo latelang? Ikopanye le Highleap Electronics kajeno, 'me re re fe ts'ehetso ea ho fumana liphetho tse ikhethang ka lits'ebeletso tsa rona tse tšepahalang, tsa boleng bo holimo tsa PCB.