Kugadzira PCB yeKupisa Yakagadzikana yeTMM

PCB yeTMM inogadzikana pakupisa inofanira kuongororwa zvichienderana nekuti chimiro cheRF chapera chinoshanda sei pakupisa kunodiwa. Kuchinja kweDk, kuwedzera kwekupisa uye kuvimbika kwegomba rakaputirwa zvese zvinogona kukosha, uye miganhu yakakodzera inoenderana negiredhi chaiyo uye chimiro chepurogiramu. PCB inogadzikana pakupisa yeRogers TMM inoshandiswa kana dunhu repamusoro-soro richifanira kuchengetedza maitiro emagetsi anofungidzirwa uye kuvimbika kwemakanika munzvimbo dzinopisa, dzinotonhora uye dzinotenderera. Muzvigadzirwa zveRF ne microwave, kugadzikana pakupisa hakusi chinhu chechipiri. Inokanganisa impedance, urefu hwechikamu, frequency ye resonant, kuvimbika kwegomba rakaputirwa, kukohwa kwekuunganidza uye kushanda kwenguva refu kwemunda.

Ma Rogers TMM laminates zvinhu zve thermoset microwave zvakagadzirwa ne ceramic-filled thermoset zvakagadzirirwa kushandiswa kwe stripline uye microstrip. Mhuri iyi inosanganisa akasiyana-siyana e dielectric constants, low thermal constant ye dielectric constant, coefficient ye copper-matched ye thermal expansion uye maitiro akanaka panguva yekugadzira PCB. Izvi zvinogona kuita kuti TMM ive sarudzo inoshanda ye radar modules, antenna systems, satellite communication electronics, aerospace RF hardware, microwave filters uye power-amplifier boards kana thermal coefficient inodiwa ichipfuura iyo FR-4 yakasarudzwa kana imwe RF laminate.

Gwaro iri rinonyora patsva pfungwa dzekusarudza kubva pamaonero ekugadzira neinjiniya. Panzvimbo pekutarisa kugadzikana kwekupisa sechinyorwa chiri nyore chezvinhu, rinotsanangura kuti Drk drift, TCDk, CTE, kuburikidza nekuvimbika, nzira dzekupisa, kudzora kugadzirwa uye data requalification zvinofanirwa kushandurwa kuita specification chaiyo yePCB.

Peji rino rinotaura nezvekuvakwa kweTMM kwakagadzikana pakupisa kuburikidza nemaitiro eDk, kuenzaniswa kwekuwedzera kwekupisa uye kuvimbika kwePCB yakapedzwa. Kukurukurirana kwekugadzira kunotarisa pakuunganidzwa, kusanganiswa kwezvinhu, zvivakwa zvakaputirwa uye mamiriro ekukodzera anotsanangurwa pachigadzirwa.

Rogers TMM Tembiricha Yakagadzikana PCB Ongororo

Chinangwa chekushandisa Rogers TMM hachisi chekuvaka bhodhi reRF risingarasikirwe zvakanyanya. Chinangwa chikuru ndechekuderedza kusagadzikana kwemagetsi nekwemakanika kunoonekwa kana PCB ine frequency yakakwira ichishanda pakupisa. PCB yakanaka yeTMM inofanira kuchengetedza mhinduro yeRF iri pedyo nechinangwa chekugadzira uku ichiraramawo pakuboorwa, kuputirwa, kuungana kusina lead, cycling yekupisa uye kusvibiswa mumunda.

Kugadzikana kwemagetsi pakushanda kwese

Mukugadzirwa kweRF, dielectric constant ye substrate inokanganisa zvakananga transmission-line impedance, effective wavelength, phase delay uye resonant behavior. Kana Dk ikachinja netembiricha, mutsetse wakagadziriswa patembiricha yemumba unogona kuchinja pamakona anopisa kana anotonhora. Kune broadband digital board izvi zvinogona kugamuchirwa; kune narrowband microwave filter, phase-matched feed network kana patch antenna, drift imwechete inogona kufambisa circuit kunze kwehwindo rayo rinoshanda.

Zvinhu zveRogers TMM zvinosarudzwa nekuti thermal coefficient yavo ye dielectric constant yakaderera kana tichienzanisa nezvinhu zvakawanda zvinoshandiswa pabasa. Izvi zvinobatsira mainjiniya kuchengetedza frequency response, impedance match uye phase consistency pamusoro pemhando yakakura yetembiricha. Zvisinei, drift haisi zero, uye yega yega TMM grade ine kukosha kwayo uye gwara rayo. Nzira chaiyo ndeyekuisa TCDk mubhajeti rekutsungirira pane kufunga kuti zvinhu zvinobvisa otomatiki thermal drift yese.

Kugadzikana kwemuchina uye kuvimbika kwegomba rakafukidzwa

Kushanda kwePCB kwakagadzikana pakupisa kunoenderanawo nekurarama kwemuchina. Dunhu rinogona kuva neDk yakagadzikana uye richiramba richikundikana kana mabara akatsemuka, mapedhi ekusimudza kana zvinhu zvemhangura zvikamanikidzwa panguva yekupisa nekutonhodza kakawanda. Rogers TMM inokosheswa nekuti coefficient yayo yekuwedzera kwekupisa inoenderana zvakanyanya nemhangura, iyo inotsigira maburi akavimbika uye inoderedza kushushikana pakati pemhangura ne dielectric layers.

Pfungwa iyi inonyanya kukosha kumabhodhi eRF nekuti ma-via haasi ma-connection chete. Anowanzova chikamu cheRF structure: ma-via epasi, mafenzi, madziro emukati, ma-thermal via arrays uye ma-plated mounting holes zvese zvinogona kukanganisa mashandiro eRF. Kana bharero repasi rikavhurika kana kuti rikava nepakati, kutadza kunogona kuonekwa sekusagadzikana, kurasikirwa nekudzoka kwakashata, shifted filter response kana kurasikirwa zvachose kwegrounding.

Kugadzikana kwekugadzira sechikamu chekusarudza zvinhu

Rogers TMM PCB inogadzikana tembiricha ichiri kuda nzira yekugadzikisa inodzorwa. Grade yezvinhu, ukobvu hwe laminate, huremu hwemhangura, ma parameter ekuboorera, ukobvu hweplating, mhando ye desmear, etching tolerance, stackup symmetry uye surface finish zvese zvinopesvedzera mhedzisiro yekupedzisira. Zvinhu zveTMM zvinogona kugadziriswa nemaitiro akajairika ekubvisa PCB, asi kuumbwa kwazvo kwakazara neceramic kunoda kutariswa kwekusakara kwezvishandiso uye hunhu hwemaburi nemadziro. Highleap inoongorora giredhi reTMM, hukama hweCTE, ukobvu hwebhodhi uye kuvaka kweburi neplated zvichienderana nehurongwa hwekufanirwa. Kana kutenderera kwekupisa kuchidikanwa, chimiro uye zvinodiwa zvekugamuchira zvinofanirwa kugadziriswa usati wagadzirwa pane kuwedzerwa sechirevo chekuvimbika chakajairika. Hunhu chaihwo hwezvinhu hunofanirwa kuongororwa zvichienderana nemagwaro emutengesi aripo egiredhi rakatarwa uye kuvaka.

Nechikonzero ichi, hunyanzvi hweTMM PCB hahufanirwe kugumira pa "shandisa Rogers TMM." Inofanira kutsanangura giredhi, ukobvu hwe dielectric, mhangura yakapedzwa, impedance inodzorwa, chimiro chemaburi, chiyero cheaspect, zvinodiwa pakufamba kwemhepo, zvinodiwa pachikamu chidiki uye nhanho yemagwaro inodiwa pakushandisa.

Rogers TMM Zvinhu Zvemhuri uye Sarudzo yeGiredhi

Mhuri yeRogers TMM ine sarudzo dzinoverengeka dze dielectric constant, zvichibvumira vagadziri kuenzana hupamhi hwemutsara, saizi yedunhu, kurasikirwa, kubatana, kugona kugadzirwa uye maitiro ekupisa. Giredhi rinofanira kusarudzwa kubva pane zvinodiwa zveRF zvakakwana, kwete chete kubva pahukuru hweDk.

Magiredhi eLower-Dk eRF geometry yakakura

TMM3 naTMM4 zvinobatsira kana dhizaini yacho ichibatsirwa nemitsetse yakafara yekutumira, geometry yekugadzira isina simba kana saizi dzeantenna dzisingade miniaturization yakanyanya. Zviratidzo zveRF zvakafara zvinogona kuve nyore kucheka nguva dzose, uye zvinogona kuderedza kunzwa kwezvikanganiso zvidiki. Magiredhi aya anowanzo kwezva kana bhodhi riine nzvimbo yakakwana iripo uye mugadziri achida maitiro akagadzikana epamusoro-soro pasina kumanikidza maconductor akamanikana kana mipata yakasimba yekubatanidza.

Magiredhi epamusoro eDk ekugadzira ma microwave akamanikana

TMM10, TMM10i naTMM13i zvinotsigira ma resonator madiki, urefu hwemitsara mipfupi uye marongero eRF akaomesesa. Izvi zvinogona kuve zvakakosha muma microwave filters, ma miniaturized antenna elements, ma couplers, matching networks uye dense RF modules. Chinosiyana ndechekuti madhizaini e high-Dk anogona kunyanyo shandiswa kushivirira zvinhu, etch tolerance uye frequency shift inoenderana netembiricha. Kana geometry ikava diki uye bandwidth ikava diki, zvinonyanya kukosha kugadzira data rechokwadi rezvinhu uye manufacturing tolerance.

Maitiro ekugadzira Dr, dhizaini Dr uye kunyatsoita kutenga

Mainjiniya eRF nemapoka ekutenga vanofanira kusiyanisa maitiro eDk kubva pakugadzira. Maitiro eDk anowanzo shandiswa pakudzora kunaka kwelaminate uye kuenzanisa, nepo dhizaini yeDk ichiitirwa kutsigira circuit modeling pamusoro pehuwandu hwema frequency akakodzera uye chimiro. Chikumbiro chemutengo chinofanira kutsanangura giredhi reRogers TMM chairo uye ukobvu hwe dielectric, uye magwaro einjiniya anofanira kuratidza kuti ndeipi Dk yakashandiswa mukufananidza. Kuvhiringidza mazita emagiredhi kana kushandisa tsananguro ye "TMM PCB" inogona kukonzera stackup isiriyo, impedance isiriyo uye RF yakakundikana kuvaka.

Kugadzikana kweDk Drift, TCDk uye RF Circuit

Dk drift chimwe chezvikonzero zvakakosha zvekusarudza PCB inogadzikana pakupisa yeRogers TMM. Chimiro chakakosha chezvinhu iTCDk, iyo thermal coefficient ye dielectric constant. TCDk inotsanangura kuti dielectric constant inochinja sei nekupisa. Mhedzisiro inoshanda inoonekwa mu impedance, phase, wavelength uye resonant frequency.

Kutungamira kweTCDk uye shanduko yedunhu

Chiratidzo cheTCDk chinokosha. TCDk yakanaka inoreva kuti Dk inokwira sezvo tembiricha ichiwedzera, nepo TCDk isina kunaka inoreva kuti Dk inodonha sezvo tembiricha ichiwedzera. Muzvimiro zvakawanda zveRF zvinonzwika, Dk inoshanda zvakanyanya inowanzo kupfupisa wavelength uye inogona kusundira resonance pasi; Dk inoshanda yakaderera inogona kusundira mhinduro kune rimwe divi rakapesana. Hukama uhwu hausi hwekutsiva simulation yemagetsi, asi hunobatsira kunzwisisa kuti nei tembiricha imwechete ichigona kukanganisa magiredhi akasiyana eTMM zvakasiyana.

Semuenzaniso, TMM4 ine TCDk diki yakanaka, nepo TMM6 iri negative zvishoma. TMM10 na TMM10i vane negative values ​​dzakasimba, uye TMM13i ine negative value yakasimba mumhuri yakanyorwa. Izvi hazvirevi kuti giredhi rimwe chete ndiro riri nani pasi rose. Zvinoreva kuti giredhi rinofanira kusarudzwa zvichienderana neDk yakatarwa, saizi yedunhu, bandwidth, frequency shift inogamuchirwa uye kushivirira kugadzirwa.

Kutevedzera tembiricha-kona yedhizaini dzeRF

Magadzirirwo eCritical Rogers TMM anofanirwa kutevedzera pamakona ekupisa kwete patembiricha yemumba chete. Modhi iyi inofanira kusanganisira kushivirira kweDk, TCDk, kushivirira kwehukobvu hwedielectric, ukobvu hwemhangura, kupedzisa kwesurface, kushivirira kwe etch uye kushivirira kwezvikamu. Kune macircuit eRF emagetsi, kurasikirwa kweconductor uye kupisa kwemudziyo kunofanirwawo kufungwa nekuti tembiricha yemuno pasi pemudziyo unoshanda inogona kunge yakakwira kupfuura tembiricha yemhepo.

Chirongwa chekufananidzira chinoshanda chinowanzo sanganisira mabhokisi emhando yepamusoro, anopisa uye anotonhora. Kune mafirita, mainjiniya anofanira kutarisa frequency yepakati, bandwidth, kurasikirwa kwekuisa uye kurasikirwa kwekudzoka. Kune maantenna, mainjiniya anofanira kutarisa kugadzikana, kuenderana, kuwana uye patani. Kune network dzinoenderana nephase-array kana nguva, kureba kwephase uye kuenderana kwechannel-to-channel zvinofanirwa kuongororwa.

Kunzwa kweQ-Q uye narrowband

Kana bandwidth ikanyanya kutetepa, ndipo panonyanya kukosha kugadzikana kweDk. High-Q resonator kana passband filter yakamanikana inogona kutadza kushanda ne frequency shift iyo isingakuvadzi mu broadband interconnect. Ndokusaka PCB yeRogers TMM temperature stable inowanzo tsanangurwa kune ma microwave filters, radar front ends, frequency-selective networks uye antenna feed structures. Zvinhu zvinobatsira kuderedza kudonha, asi kugadzikana kwekupedzisira kuchiri kuenderana nekugadzirwa kwakazara: laminate, copper, solder mask policy, finish, enclosure loading, component placement uye assembly process.

Kuwanda kwezvinhu: Chinyorwa chino chinotaura nezvekugadzirwa kwePCB kusingachinji tembiricha kana dhizaini yacho ichitsanangura TMM laminate. Simbisa giredhi rakatenderwa, kuvakwa uye magwaro ezvinhu ari muRFQ.

Kuenderana kweCTE uye Kuvimbika kweMaburi Akaputirwa

Kugadzikana kwemagetsi kunongova hafu yezvinodiwa zvePCB zvinogara kwenguva refu. Bhodhi rinofanirawo kutsungirira kuwedzera kwekupisa uye kudzikira kwakataurwa. Maitiro ekuwedzera kwekupisa kweTMM anogona kutsigira kuvimbika kwepurasitiki-nemaburi kana mamiriro ekuisa zvinhu, kuboora, kuisa mapurasitiki uye zvinodiwa adzorwa.

Kuwedzera kwemhangura muTMM laminates

Kana PCB ikapiswa, zvinhu zvemhangura nedielectric zvinowedzera. Kana mwero wekuwedzera kwavo wakasiyana zvikuru, kushushikana kunoungana pa copper-dielectric interface uye mukati memakomba akaiswa. Mumamiriro ezvinhu asina kuenzana, kutenderera kwekupisa kunodzokororwa kunogona kunetsa bharero remhangura, kunetesa ma interfaces kana kukonzera kupwanyika kwe microcracking. Maitiro ekuwedzera kwe TMM anoderedza kusawirirana uku uye anotsigira kushanda kwakasimba kwemakomba akawanda uye akaiswa makomba.

Kuburikidza nemabara, fenzi dzepasi uye kupisa kuburikidza ne arrays

Mabhodhi eRF anowanzo shandisa ma-vias akawanda kupfuura mabhodhi ekutonga akajairwa. PCB ye microwave inogona kusanganisira ivhu rakamanikana kuburikidza nefenzi dziri pamitsetse yekutumira, kuburikidza nekuchinjana pakati pezvikamu, ma-vias ekupisa pasi pemidziyo yemagetsi, maburi ekuisa akaiswa mapuranga uye zvivakwa zvemadziro ekudzivirira. Imwe neimwe yeaya ma-vias inofanira kuboorwa, kucheneswa, kuputirwa uye kuongororwa nemazvo. Dambudziko diki rekuvimbika rinogona kuva dambudziko reRF nekuti via chikamu chechimiro chemagetsi, kwete kubatana kweDC chete.

Kune vanogadzira PCB veRogers TMM vanovimbika, vagadziri vanofanira kuongorora kuburikidza neaspect ratio, annular ring, via-to-edge spacing, copper balance, kuburikidza ne density uye plating requirements vasati vaburitswa. Kune ma TMM boards akakora kana mapurogiramu ekuvimbika zvakanyanya, makuponi anomiririra uye microsections zvinofanirwa kuiswa kuitira kuti hunhu hwekugadzira hugone kusimbiswa pasina kuparadza bhodhi rechigadzirwa.

Ma "hybrid stackups" uye kusawirirana kwe "thermal-mechanical"

Zvimwe zvigadzirwa zveRF zvinosanganisa Rogers TMM nezvimwe zvinhu kudzora mutengo, huwandu hwema layer kana chimiro chemuchina. Ma hybrid stackups anogona kushanda, asi anounza njodzi yakawedzerwa nekuti chinhu chimwe nechimwe chinogona kunge chine kukura kwakasiyana, kuomarara, hunhu hwehunyoro uye miganhu yekugadzirisa. Kana TMM ikasanganiswa neFR-4, zvinhu zvinobatanidza, simbi dzinotsigira kana mamwe ma laminates ane frequency yakakwira, stackup symmetry uye thermal-mechanical compatibility zvinofanirwa kuongororwa nekukurumidza. Hwakadzikama hweTMM haugone kutsiva stackup yehybrid isina kurongeka zvakanaka.

Dhizaini yeThermal yeTembiricha-Yakagadzikana TMM PCB

Kugadzikana kwekupisa hazvirevi kuti PCB inogona kufuratira kupisa. Zvinoreva kuti dhizaini yacho inofanira kudzora zvese mhedzisiro yemagetsi yekupisa uye kufamba kwekupisa kuburikidza nebhodhi. Rogers TMM laminates dzine thermal conductivity inosvika 0.70 kusvika 0.76 W/m·K zvichienderana negiredhi, izvo zvinogona kutsigira kupararira kwekupisa zvichienzaniswa ne microwave substrates dzakawanda dzine low-conductivity. Kunyange zvakadaro, PCB laminate ingori chikamu chimwe chete chenzira yethermal.

Kuyerera kwekupisa kubva kuzvikamu kuenda kubhodhi uye muchivako

Kune maRF power amplifiers, resistive terminations, bias networks uye high-current sections, nzira chaiyo yekupisa inowanzo sanganisira component package, solder joint, copper pad, thermal vias, internal copper planes, metal backer, heat sink kana enclosure. Rogers TMM PCB inofanira kugadzirwa kuitira kuti kupisa kubve munzvimbo yemudziyo zvakanaka. Copper pour yoga haikwani kana mudziyo wemagetsi uine dissipation yakawanda kana kana module ichishanda mu enclosure yakavharwa.

Zvinodiwa pabhodhi remagetsi ekuwedzera simba

Mabhodhi emagetsi ekuwedzera simba anoisa zvinodiwa zvemagetsi nekupisa paPCB. Magadzirirwo acho anoda ma network akaenzana akasimba, RF grounding pfupi, controlled impedance, low-loss conductors uye nzira yakasimba yekupisa. Thermal vias dzinofanira kuiswa mu arrays dzinogona kugadzirwa, kwete kungoiswa zvakasimba sezvinobvira. Kana via density yakanyanya kana kuti hole quality isina kunaka, kuvimbika kunogona kukanganiswa. Dhizaini yakanakisisa inoenzanisa RF grounding, heat transfer, drill capacity, plating uniformity uye assembly goho.

Kukwira kwekushisa uye nzvimbo dzinopisa dzemunharaunda

Tembiricha yekushanda kweRF PCB haisi nguva dzose yakaenzana neambient rating mu datasheet yechigadzirwa. PA transistor, high-power resistor, regulator kana connector solder joint inogona kugadzira nzvimbo inopisa yemuno. Kuti tembiricha yemuno inogona kuchinja Drk iri pedyo, kukanganisa ma solder joints uye kuwedzera kushushikana kwemuchina. Kune magadzirirwo akakosha, RF simulation, thermal simulation uye mechanical reliability review zvinofanirwa kushandisa tembiricha chaiyo yemuno pane kufungidzira tembiricha yemukamuri rimwe chete.

Kudzora Kugadzira kweRogers TMM PCB Kugadzira

Rogers TMM inogona kugadzirwa uchishandisa maitiro ebhodhi remagetsi akadhindwa, asi maitiro acho anofanira kudzorwa kuti pave nemaitiro elaminate ane ceramic-filled high-frequency. Mugadziri anofanira kunzwisisa zvese zvinodiwa neRF uye zvinodiwa zvekuvimbika, kunyanya kana bhodhi riine tight impedance tolerance, dense vias, thick dielectric cores, metal backing kana qualification coupons.

Kutevedza zvinhu uye kutonga kwezvikamu

Chivako chinofanira kuchengetedza giredhi reTMM chaiyo, ukobvu hwe laminate, foil yemhangura, huremu hwemhangura hwakapedzwa, kupedzisa kwepamusoro uye zvinhu zvinosunga zvakatenderwa neinjiniya. Chero chinhu chinotsiviwa chinogona kukanganisa DD, ukobvu, impedance, thermal drift uye kushushikana kwemakanika. Kune mapurogiramu akavimbika zvikuru, zvitupa zvezvinhu, kutevedza nzvimbo uye zvinyorwa zvekuvaka zvakachengetwa chikamu chezvinodiwa zvechigadzirwa, kwete mapepa ekusarudza.

Kudzora kuchera kweTMM yakazadzwa neceramic

Matanda eTMM ane ceramic filler, saka ma parameter ekuboorera uye mamiriro echishandiso ane basa guru. Kumhanya kwakanyanya kwechinhu pamusoro pechishandiso, mutoro mudiki we chip kana zvidimbu zvekuboorera zvakasakara zvinogona kuwedzera kupisa, kukurumidzisa kupera kwechishandiso uye kuderedza kunaka kwemadziro emakomba. Madziro asina makomba anogona kuzokonzera kukanganisa kweplating kana njodzi dzekuvimbika. Kune mabhodhi eRF ane dense, mhando yekuboorera inofanira kuongororwa pamwe chete ne aspect ratio, minimum hole size, copper plating thickness uye microsection acceptance criteria.

Kurongeka kwenzira, mhando yemupendero uye kururama kwemativi

Kuronga nzira uye kugadzira profiling kunodawo ma parameter akadzorwa nekuti ma laminates akazadzwa ne ceramic anogona kupfeka maturusi nekukurumidza kupfuura standard FR-4. Hunhu husina kunaka hwe edge hunogona kunge husiri hwekushongedza chete; hunogona kukanganisa kukwana kwe mechanical, connector seating, simbi enclosure contact kana RF cavity behavior. Kune ma board anosungirirwa mu machined housings kana RF shields, zvinodiwa zve profile tolerance, slot quality uye edge plating zvinofanirwa kusimbiswa usati wagadzira.

Kuisa mapurasitiki, kupukuta ganda uye kupedzisa pamusoro

PCB yeRogers TMM yakavimbika inoenderana nemadziro akachena emaburi uye copper plating inogara iripo. Maitiro acho anofanira kusarudzwa zvichienderana neukobvu hwebhodhi, kuburikidza nechimiro, huremu hwecopper uye kusangana kwaro. Kupera kwepamusoro kunofanirwa kusarudzwa zvichienderana nekugona kwayo kusvetukira, kurasikirwa kweRF, waya yekubatanidza, nguva yesherufu uye nzira yekubatanidza. ENIG, sirivha yekubatanidza, tin yekubatanidza, copper isina chinhu ine OSP nezvimwe zvinopedzisa zvese zvinogona kuva nekuchinjana zvichienderana nehuwandu, zvinodiwa zvekubatanidza uye kusangana kwaro munzvimbo.

Kushivirira kweEtching uye kutonga kweImpedance

Upamhi hwemutsetse weRF, ukobvu hwemhangura uye ukobvu hwe dielectric zvinosarudza impedance yekupedzisira uye maitiro echikamu. Zvinhu zvinogara kwenguva refu hazvigone kugadzirisa kudzora kusina kunaka kwekucheka. Mugadziri wePCB anofanira kusimbisa nzira yekuponi ye impedance, kushivirira kwehupamhi hwetrace, kudzora ukobvu hwemhangura uye nzira yekupedzisira yekuongorora. Kune mafirita, ma couplers uye resonators, kusiyana kudiki kwemukana, upamhi hwemutsara kana roughness yemhangura kunogona kuve kwakakosha kupfuura kune tambo dzemagetsi dzinoshandiswa.

Kufanirwa kweThermal uye Kushandiswa kweBhodhi

Rogers TMM inonyanya kukosha kana kugadzikana kwefrequency yakakwira, kuvimbika kwemuchina uye kusvibiswa kwezvakatipoteredza zvichipindirana. Mashandisirwo anotevera anowanzo batsirwa neruzivo rweTMM PCB runogara kwenguva refu.

Radar uye phased-array RF modules

Masisitimu eRadar anoda chikamu chakagadzikana, impedance inofungidzirwa uye grounding yakavimbika. Manetwork ekudya, macouplers, madivider, mafirita uye zvinhu zveantenna zvinogona kupindura tembiricha. Rogers TMM PCB inogona kuderedza kudonha kwakabatana neDk uku ichitsigira plated kuburikidza nekuvimbika mu ground fences uye multilayer RF transitions. Kune masisitimu ephased-array, kugadzikana kwe channel-to-channel kunowanzo kukosha sekushanda kwakakwana.

Kutaurirana nesatellite uye electronics dzemuchadenga

Satcom nemagetsi emuchadenga zvinowanzo sangana nekuchinja kukuru kwekushisa, kudedera, kufefeterwa nemhepo zvakare uye zvinodiwa zvakasimba zvemagwaro. Kutevedza zvinhu, kugadzikana kweDk, kusawirirana kweCTE kwakaderera uye maburi akavimbika akapetwa zvese zvinobatsira pakuva nechivimbo chekukodzera. Maitiro eTMM ethermoset uye kuwedzera kwemhangura kunoita kuti ive yakakodzera kuvaka kweRF kwakavimbika uko kugadzirisa munda kwakaoma kana kusingabviri. Kana application iine zvinodiwa zvepamutemo zvekugamuchirwa kwezvakatipoteredza, zvinodiwa zveTMM zvekuvimbika kwemabhodhi emuchadenga zvinofanirwa kutaura chimiro chekupisa uye chiyero chemagwaro zvisati zvagadzirwa.

Antena yekunze uye masisitimu ekutaurirana

Midziyo yeRF yekunze inogona kunzwa kupisa kwezuva, kutonhora husiku, hunyoro, kushushikana kwenzvimbo yakavharirwa uye kutenderera kwemwaka. Kurira kweantenna, kurasikirwa nekudzoka uye chikamu chenetwork yekudya zvinogona kuchinja kana substrate ikachinja tembiricha. PCB inogadzikana yeRogers TMM inobatsira kuchengetedza maitiro anofungidzirwa kana yakabatana nedhizaini chaiyo yeantenna, sealing, connector control uye dhizaini yenzvimbo yakavharirwa.

Mafirita e microwave, ma couplers uye ma resonators

Mafirita ema microwave nema resonator anonzwa kuDk, copper geometry uye enclosure effects. Mumafirita e narrowband, shanduko diki kana dielectric inogona kufambisa frequency yepakati. TMM inoderedza imwe sosi huru yekudonha kwekupisa, nepo kuchekwa kwakadzorwa uye kuongororwa kweRF zvichibatsira kuchengetedza mhinduro yekupedzisira. Kune mafirita madiki ane Dk, kusarudzwa kwemagiredhi uye kushivirira kugadzirwa kunofanirwa kuongororwa pamwe chete. Kune TMM4 resonator nema filter board , ongorora makona ekupisa anodiwa ne circuit geometry chaiyo pane kushandisa fungidziro yekugadzikana kwemhuri yese.

Simba reRF uye magungano ane mutoro wakanyanya kupisa

Mabhodhi emagetsi eRF anoda network dzakagadzikana dzinoenderana uye kubviswa kwekupisa kwakavimbika. Kufambiswa kwekupisa kweTMM uye kugadzikana kwemuchina zvinobatsira, asi nzira yese yekupisa inofanira kugadzirwa kuburikidza nemhangura, mavia, simbi inotsigirwa uye kubatana kwenzvimbo. Pakugadzira, ma profiles ekubatanidza uye miganhu yekugadzirisa patsva zvinofanirwa kunyorwa kuitira kuti bhodhi risasangana nekushushikana kwekupisa kusingadzoreki.

Kukodzera, Kuedzwa uye Zvinyorwa

Rogers TMM PCB inogadzikana pakupisa inofanira kusimbiswa zvichienderana nenjodzi yechigadzirwa. Muenzaniso wekuongorora murabhoritari ungada kusimbiswa kwezvinhu zvepakutanga uye kuongororwa kwe impedance. Bhodhi rekugadzira remuchadenga, radar kana zvivakwa zvekunze ringada kuyedzwa kwekupisa, microsectioning, RF testing uye kuteverwa kwakazara.

Kutenderera kwekupisa uye kuronga kuvhunduka kwekupisa

Kutenderera kwekupisa uye kuvhunduka kwekupisa zvinoshandiswa kuongorora kuti bhodhi rinopindura sei kana bhodhi rawedzerwa uye radzikira kakawanda. Hurefu hwekupisa hunodiwa, nguva yekugara uye huwandu hwemadenderedzwa hunofanirwa kubva munzvimbo yechigadzirwa kana zvinodiwa nemutengi. Chinangwa ndechekuona kuti maburi akaiswa plated, copper interfaces, solder joints uye RF performance zvinoramba zvichigamuchirwa mushure mekumanikidzwa.

Kuongororwa kwegomba re microsection ne plated-bump

Kuchekerera zvidimbu zvepurasitiki kwakakosha pakusimbisa kunaka kwekuchera nekuisa zvidimbu. Kuponi inogona kuratidza saizi dzemaburi akakosha, zviyero zveaspect, shanduko dzezvikamu uye kuburikidza nemagadzirirwo. Kuongorora kunogona kusimbisa ukobvu hwekuisa zvidimbu zvemhangura, mamiriro emaburi nemadziro, mhando yerin'i yeannular uye zviratidzo zvekutsemuka mushure mekumanikidzwa kwekupisa. Kuti TMM PCB ivakwe zvakanaka, zvidimbu zvepurasitiki zvepressure zvisati zvaitika uye zvapera zvinogona kupa humbowo hwakasimba hwekuti maitiro ekugadzira anodzorwa.

Impedance uye mashandiro eRF pakupisa

Kudzora kupindira kunofanirwa kusimbiswa nemakuponi, asi kuponi chete hakugone kuratidza kuti RF circuit inoshanda inoramba yakagadzikana pakupisa. Kune mafirita, maantenna, network dzekudya uye macircuit anonzwa phase, kuyedzwa kweRF pamakona anopisa neanotonhora kunogona kudiwa. Maitiro ekugamuchira anofanirwa kutsanangura kuti chii chinotenderwa, senge kufamba kwefrequency yepakati, kurasikirwa nekudzoka, kurasikirwa kwekuisa, kusiyana kwekuwedzera kana musiyano wechikamu.

Magwaro ekudzokorora kugadzirwa

Kugadzirwa kunodzokororwa kunoda zvinopfuura kupasa kwekutanga. Mutengesi anofanira kuchengetedza zvinyorwa zve stackup, ruzivo rwezvinhu, vafambi veprocess, mishumo yekuongorora, mhedzisiro ye impedance uye chero data requalification rinodiwa nemutengi. Kana paine dambudziko remunda, gwaro iri rinobatsira kupatsanura kukanganiswa kwedhizaini, kukanganisa kugadzirwa, kukuvara kwe assembly uye kushushikana kwezvakatipoteredza.

Rondedzero yeRFQ yeRogers TMM Tembiricha Yakagadzikana yePCB

RFQ yakajeka inoderedza kunonoka kweinjiniya uye inodzivirira mutengesi kufungidzira. Kune PCB inogara kwenguva refu yeRogers TMM, package yemutengo inofanira kusanganisira zvinodiwa zvemagetsi uye zvekuvimbika.

Ruzivo rwezvinhu uye zvinhu zvakaunganidzwa

• Chiyero chaicho cheRogers TMM: TMM3, TMM4, TMM6, TMM10, TMM10i kana TMM13i.
• Ukobvu hwe dielectric, ukobvu hwebhodhi rakapedzwa uye huwandu hwezvikamu.
• Huremu hwemhangura, zvinodiwa nefoiri yemhangura uye ukobvu hwemhangura hwakapedzwa.
• Zvinhu zvinobatanidza kana kuti zvakasanganiswa kana zvimwe zvinhu zvichishandiswa.
• Zvinodiwa pakupedzisa pamusoro uye chero zvinodiwa zvekubatanidza waya kana kuti kugona kusundidzira.

RF uye zvinodiwa zvemagetsi

• Hunhu hwe impedance hwakadzorwa uye kushivirira.
• Bhendi remafrequency ekushanda uye mabasa akakosha eRF.
• Kurasikirwa kwekuisa, kurasikirwa kwekudzoka, kufananidza phase kana resonance zvinodiwa kana zvichibvira.
• Zvinodiwa zvemakuponi eImpedance uye zvinodiwa zvemakuponi ekuyedza eRF.
• Zvirambidzo zvemasiki emuchina weSolder pedyo nemitsetse yeRF, mafirita kana zvivakwa zveantenna.

Zvinodiwa zvemakanika uye kuvimbika

• Tembiricha yekushanda uye tembiricha yekuchengetedza.
• Kutenderera kwekupisa, kuvhunduka kwekupisa, kutenderera kwesolder kana kutenderera kwemvura zvinodiwa.
• Saizi shoma yeburi, kuburikidza neaspect ratio uye ukobvu hweplating hunodiwa.
• Zvinodiwa zvechikamu chidiki usati waita stress uye mushure mekuitwa stress kana zvichidikanwa.
• Zvinodiwa pakutevedza zvinhu, gwaro rekuongorora uye gwaro rekuongorora.
• Muenzaniso, chitupa kana mamiriro ekugadzira.

Ruzivo rwezvekutengeserana uye zvekugadzira

• Huwandu hwemuenzaniso, kufanotaura kugadzirwa uye kusarudzwa kwepaneru.
• Chinangwa chenguva yakatarwa uye zvimwe zvinhu zvinogamuchirwa, kana zviripo.
• Kuonekwa kwechinhu chakabatana sekudzoka kwemvura isina mutobvu, kugadzirisa, kusundira connector kana kubatanidza waya.
• Zvinodiwa pakurongedza kwakakosha, kugara kwenguva refu, kuchena kana kutumira magwaro kunze kwenyika.

Kune vatengi, mutemo unonyanya kukosha uri nyore: musakumbira "Rogers TMM PCB" musina kutsanangura zvinodiwa neinjiniya zviri shure kwayo. Kugadzikana kwetembiricha kunofanirwa kushandurwa kuita giredhi rezvinhu, stackup, tolerance, inspection uye zvinodiwa zvekufanirwa. Ndiwo musiyano uripo pakati pemutengo weRF board nekuvakwa kwePCB yakasimba yetembiricha yakavimbika yeRogers TMM.

Mibvunzo Inowanzo bvunzwa Nezve Rogers TMM Tembiricha Yakagadzikana PCB

Ko Rogers TMM yakakodzera here maRF PCB anogadzikana pakupisa?

Malaminate eTMM anogona kukodzera maRF nema microwave PCB anoda mashandiro emagetsi akagadzikana uye kuvimbika kwemaburi pakupisa. Mhando yakasarudzwa, stackup, assembly profile uye qualification range zvinofanirwa kuenderana nezvinodiwa nechigadzirwa.

Ndeipi Rogers TMM grade ine drift yakaderera yeDk?

Pakati pezvinhu zvakanyorwa mumhuri, TMM6 ine TCDk magnitude yakaderera zvikuru pa -11 ppm/°C, nepo TMM4 yakadererawo pa +15 ppm/°C. Giredhi rakanakisisa haritemwi neTCDk chete. Inofanirawo kuenderana neDk, hupamhi hwemutsetse, saizi yedunhu, bandwidth, zvinodiwa pakurasikirwa uye kugona kugadzirwa.

Ko Rogers TMM inobvisa njodzi yekuvimbika kwekupisa here?

Kwete. Rogers TMM inovandudza divi rezvinhu zvekuchengetedza kupisa, asi haibvisi njodzi yekushanda. Hunhu hwekuboorera, kugadzirira maburi pamadziro, copper plating, aspect ratio, stackup balance, assembly exposure uye ongororo zvichiri kudzora kuvimbika kwekupedzisira kwePCB.

Nderupi ruzivo runodiwa kuti utaure PCB inogadzikana pakupisa yeRogers TMM?

RFQ inofanira kusanganisira TMM grade chaiyo, ukobvu hwe dielectric, stackup, copper huremu, surface finish, controlled impedance, operating temperature range, via structure, reliability testing requirement testing requirement, material traceability requirement requirement requirement requirement uye production quantity. Kana circuit iri filter, antenna kana phase-sensitive network, sanganisirawo zvakakosha RF performance targets. Kune quotation, ipai tembiricha yekushanda, TMM grade, stackup, copper, reliability tests, quantity uye magwaro zvinodiwa. Izvi zvinopa mainjiniya nevemhando yepamusoro hwaro hwakasimba hweproposal yekugadzira.