xov xwm

Giovanni D'Amore tau tham txog kev siv impedance analyzers thiab cov kws tshaj lij fixtures los ua tus yam ntxwv ntawm dielectric thiab cov khoom sib nqus.
Peb tau accustomed rau kev xav txog technologies kev vam meej los ntawm lub xov tooj ntawm tes qauv tiam los yog semiconductor manufacturing txheej txheem nodes.Cov no muab pab tau shorthand tab sis tsis paub tseeb kev vam meej nyob rau hauv enabling technologies (xws li lub teb ntawm cov ntaub ntawv science).
Tus neeg twg uas tau muab lub TV CRT sib cais los yog qhib lub hwj chim qub yuav paub ib yam: Koj tsis tuaj yeem siv cov khoom siv hauv xyoo pua 20 los ua cov khoom siv hluav taws xob hauv xyoo pua 21st.
Piv txwv li, kev nce qib sai hauv cov ntaub ntawv kev tshawb fawb thiab nanotechnology tau tsim cov ntaub ntawv tshiab nrog cov yam ntxwv uas xav tau los tsim kom muaj cov khoom siv high-density, high-performance inductors thiab capacitors.
Kev tsim cov cuab yeej siv cov ntaub ntawv no yuav tsum tau ntsuas qhov tseeb ntawm cov khoom siv hluav taws xob thiab cov hlau nplaum, xws li permittivity thiab permeability, dhau ntawm ntau qhov kev khiav hauj lwm zaus thiab qhov kub thiab txias.
Cov khoom siv dielectric ua lub luag haujlwm tseem ceeb hauv cov khoom siv hluav taws xob xws li capacitors thiab insulators.Qhov dielectric tas li ntawm cov khoom siv tuaj yeem hloov kho los ntawm kev tswj nws cov muaj pes tsawg leeg thiab / lossis microstructure, tshwj xeeb tshaj yog ceramics.
Nws yog ib qho tseem ceeb heev los ntsuas qhov dielectric zog ntawm cov ntaub ntawv tshiab thaum ntxov hauv lub voj voog kev loj hlob los kwv yees lawv cov kev ua tau zoo.
Cov khoom siv hluav taws xob ntawm cov khoom siv dielectric yog cov yam ntxwv ntawm lawv txoj kev permittivity, uas muaj qhov tseeb thiab qhov xav txog.
Qhov tseeb ntawm qhov dielectric tas li, tseem hu ua dielectric tas li, sawv cev rau lub peev xwm ntawm cov khoom siv los khaws lub zog thaum raug hluav taws xob hauv hluav taws xob.Piv nrog cov khoom siv nrog qis dielectric tas li, cov khoom siv nrog cov dielectric ntau dua tuaj yeem khaws ntau lub zog hauv ib chav tsev ntim. , uas ua rau lawv pab tau rau high-density capacitors.
Cov ntaub ntawv uas muaj cov dielectric qis dua tuaj yeem siv los ua cov khoom siv hluav taws xob hauv cov teeb liab kis tau tus mob, yog vim li cas lawv tsis tuaj yeem khaws cov khoom siv hluav taws xob ntau, yog li txo qis cov teeb liab propagation ncua los ntawm cov xov hlau insulated los ntawm lawv.
Qhov kev xav ntawm qhov nyuaj permittivity sawv cev rau lub zog dissipated los ntawm cov khoom siv dielectric hauv qhov hluav taws xob.Qhov no yuav tsum tau ua tib zoo tswj kom tsis txhob muaj lub zog ntau dhau hauv cov khoom siv xws li capacitors ua nrog cov ntaub ntawv tshiab dielectric.
Muaj ntau txoj hauv kev los ntsuas qhov dielectric qhov tsis tu ncua.Cov txheej txheem phaj sib dhos tso cov khoom siv hauv kev sim (MUT) ntawm ob lub electrodes.Qhov sib npaug ntawm daim duab 1 yog siv los ntsuas qhov impedance ntawm cov khoom thiab hloov mus rau qhov nyuaj permittivity, uas hais txog lub thickness ntawm cov khoom thiab cheeb tsam thiab txoj kab uas hla ntawm electrode.
Txoj kev no feem ntau yog siv rau kev ntsuas tsawg zaus.Txawm hais tias lub hauv paus ntsiab lus yog qhov yooj yim, qhov ntsuas qhov tseeb yog qhov nyuaj vim qhov ntsuas tsis raug, tshwj xeeb tshaj yog rau cov khoom siv tsawg.
Lub complex permittivity sib txawv nrog zaus, yog li nws yuav tsum tau soj ntsuam ntawm qhov kev khiav hauj lwm zaus.Thaum siab zaus, qhov yuam kev los ntawm kev ntsuas qhov system yuav nce, uas ua rau kev ntsuas tsis raug.
Cov khoom siv dielectric xeem fixture (xws li Keysight 16451B) muaj peb lub electrodes.Ob tug ntawm lawv tsim ib tug capacitor, thiab qhov thib peb muab ib tug tiv thaiv electrode.Qhov kev tiv thaiv electrode yog tsim nyog vim hais tias thaum ib tug hluav taws xob teb yog tsim los ntawm ob lub electrodes, ib feem ntawm lub hluav taws xob teb yuav ntws los ntawm MUT ntsia nruab nrab ntawm lawv (saib daim duab 2).
Qhov muaj nyob ntawm qhov chaw fringe no tuaj yeem ua rau qhov kev ntsuas tsis raug ntawm cov dielectric tas li ntawm MUT.Qhov kev tiv thaiv electrode absorbs cov tam sim no ntws los ntawm qhov fringe teb, yog li txhim kho qhov ntsuas qhov tseeb.
Yog tias koj xav ntsuas cov khoom dielectric ntawm cov khoom, nws yog ib qho tseem ceeb uas koj tsuas yog ntsuas cov khoom thiab tsis muaj dab tsi ntxiv.Vim li no, nws yog ib qho tseem ceeb kom paub meej tias cov qauv ntawm cov khoom yog tiaj tus heev kom tshem tawm cov huab cua sib txawv ntawm nws. electrode.
Muaj ob txoj hauv kev kom ua tiav qhov no.Qhov thawj yog siv nyias zaj duab xis electrodes rau saum npoo ntawm cov khoom yuav tsum tau kuaj.Qhov thib ob yog kom muab cov complex permittivity los ntawm kev sib piv cov capacitance ntawm cov electrodes, uas yog ntsuas nyob rau hauv lub xub ntiag thiab tsis. ntawm cov ntaub ntawv.
Tus neeg saib xyuas electrode pab txhim kho qhov ntsuas qhov tseeb ntawm qhov tsawg zaus, tab sis nws yuav ua rau muaj kev cuam tshuam rau electromagnetic teb ntawm high frequencies.Qee testers muab xaiv cov khoom siv dielectric fixtures nrog compact electrodes uas tuaj yeem txuas ntxiv qhov muaj txiaj ntsig ntau ntawm cov txheej txheem ntsuas no.Software tuaj yeem ua tau. pab tshem tawm cov teebmeem ntawm fringing capacitance.
Residual yuam kev tshwm sim los ntawm fixtures thiab analyzers yuav raug txo los ntawm qhib Circuit Court, luv luv Circuit Court thiab load them.Qee impedance analyzers muaj built-in no nyiaj them muaj nuj nqi, uas yuav pab tau kom raug ntsuas nyob rau hauv ntau zaus.
Kev ntsuam xyuas yuav ua li cas cov khoom ntawm cov khoom siv dielectric hloov nrog qhov kub thiab txias yuav tsum tau siv cov chav ntsuas kub thiab cov kab hluav taws xob tiv thaiv hluav taws xob.Qee cov khoom siv tshuaj ntsuam xyuas muab software los tswj cov khoom siv hluav taws xob kub thiab cov khoom siv hluav taws xob kub.
Zoo li cov khoom siv dielectric, cov ntaub ntawv ferrite tau txhim kho tsis tu ncua, thiab tau siv dav hauv cov khoom siv hluav taws xob raws li cov khoom siv hluav taws xob thiab cov hlau nplaum, nrog rau cov khoom ntawm cov transformers, magnetic field absorbers thiab suppressors.
Cov yam ntxwv tseem ceeb ntawm cov ntaub ntawv no suav nrog lawv cov permeability thiab poob ntawm qhov tseem ceeb ntawm kev khiav hauj lwm zaus.Ib lub impedance analyzer nrog cov khoom sib nqus sib nqus tuaj yeem muab qhov tseeb thiab rov ntsuas dua ntau zaus.
Zoo li cov khoom siv dielectric, qhov permeability ntawm cov ntaub ntawv sib nqus yog cov yam ntxwv ntawm qhov tseeb thiab qhov kev xav.Lub sij hawm tiag tiag sawv cev rau cov ntaub ntawv muaj peev xwm ua cov hlau nplaum sib nqus, thiab cov lus xav tau sawv cev rau qhov poob hauv cov khoom. Cov khoom siv nrog cov hlau nplaum permeability siab tuaj yeem ua tau. siv los txo qhov loj thiab qhov hnyav ntawm qhov sib nqus system.Qhov kev poob ntawm kev sib nqus permeability tuaj yeem txo qis rau qhov ua tau zoo tshaj plaws hauv kev siv xws li transformers, lossis maximized hauv daim ntaub ntawv xws li shielding.
Qhov nyuaj permeability yog txiav txim siab los ntawm impedance ntawm inductor tsim los ntawm cov khoom siv. Feem ntau, nws txawv nrog zaus, yog li nws yuav tsum yog tus cwj pwm ntawm kev khiav hauj lwm zaus.Ntawm zaus ntau dua, qhov ntsuas qhov tseeb yog qhov nyuaj vim qhov parasitic impedance. fixture.Rau cov ntaub ntawv uas tsis tshua muaj, lub kaum sab xis ntawm lub impedance yog qhov tseem ceeb, txawm hais tias qhov tseeb ntawm theem ntsuas feem ntau tsis txaus.
Sib nqus permeability kuj hloov nrog qhov kub thiab txias, yog li lub ntsuas ntsuas yuav tsum muaj peev xwm ntsuas qhov ntsuas kub ntawm qhov ntau zaus.
Lub complex permeability tuaj yeem muab tau los ntawm kev ntsuas qhov impedance ntawm cov khoom sib nqus.Qhov no yog ua los ntawm kev qhwv qee cov xov hlau nyob ib ncig ntawm cov khoom thiab ntsuas qhov impedance txheeb ze rau qhov kawg ntawm cov hlau.Cov txiaj ntsig yuav txawv nyob ntawm seb cov hlau yog qhov txhab thiab kev cuam tshuam li cas. ntawm magnetic teb nrog nws ib puag ncig ib puag ncig.
Kev ntsuas cov khoom sib nqus (saib daim duab 3) muab ib zaug tig inductor uas nyob ib puag ncig lub toroidal coil ntawm MUT.Tsis muaj qhov ntws tawm hauv ib zaug tig inductance, yog li cov hlau nplaum hauv qhov sib nqus tuaj yeem suav tau los ntawm electromagnetic txoj kev xav. .
Thaum siv ua ke nrog lub impedance / cov khoom analyzer, cov duab yooj yim ntawm cov coaxial fixture thiab toroidal MUT tuaj yeem raug soj ntsuam kom raug thiab tuaj yeem ua tiav qhov ntau zaus ntawm 1kHz txog 1GHz.
Qhov yuam kev tshwm sim los ntawm kev ntsuas qhov system tuaj yeem raug tshem tawm ua ntej kev ntsuas.Qhov kev ua yuam kev tshwm sim los ntawm impedance analyzer tuaj yeem ntsuas los ntawm kev kho peb lub sij hawm yuam kev.Ntawm cov zaus ntau dua, qis qis capacitor calibration tuaj yeem txhim kho theem kaum qhov tseeb.
Lub fixture tuaj yeem muab lwm qhov kev ua yuam kev, tab sis txhua qhov seem inductance tuaj yeem raug them nyiaj los ntawm kev ntsuas qhov khoom tsis muaj MUT.
Raws li kev ntsuas dielectric, lub ntsuas kub thiab cov kab hluav taws xob tiv thaiv hluav taws xob yuav tsum tau ntsuas qhov ntsuas kub ntawm cov khoom sib nqus.
Cov xov tooj ntawm tes zoo dua, kev pabcuam tsav tsheb ntau dua thiab cov khoos phis tawj nrawm dua txhua qhov kev vam khom mus tas li hauv ntau cov thev naus laus zis.Peb tuaj yeem ntsuas qhov kev nce qib ntawm cov txheej txheem semiconductor nodes, tab sis cov kev txhawb nqa thev naus laus zis tau txhim kho sai los pab cov txheej txheem tshiab no. muab tso rau hauv kev siv.
Qhov kev nce qib tshiab tshaj plaws hauv cov ntaub ntawv tshawb fawb thiab nanotechnology tau ua rau nws muaj peev xwm tsim cov khoom siv zoo dua dielectric thiab magnetic zog dua li ua ntej.Txawm li cas los xij, kev ntsuas cov kev nce qib no yog cov txheej txheem nyuaj, tshwj xeeb tshaj yog vim tias tsis tas yuav muaj kev sib cuam tshuam ntawm cov khoom siv thiab cov khoom siv uas yuav tsum tau ua. lawv raug ntsia.
Cov cuab yeej siv tau zoo thiab cov khoom siv tau zoo tuaj yeem kov yeej ntau yam ntawm cov teeb meem no thiab coj kev txhim khu kev qha, rov ua tau zoo thiab muaj txiaj ntsig dielectric thiab cov khoom sib nqus cov cuab yeej ntsuas rau cov neeg siv uas tsis muaj kev paub tshwj xeeb hauv cov haujlwm no.Qhov tshwm sim yuav tsum yog kev xa tawm sai ntawm cov khoom siv thoob plaws. hluav taws xob ecosystem.
"Electronic Weekly" koom tes nrog RS Grass Roots tsom rau kev qhia cov tub ntxhais hluas hluav taws xob zoo tshaj plaws hauv UK hnub no.
Xa peb cov xov xwm, blogs thiab cov lus pom ncaj qha rau koj lub inbox! Sau npe rau tsab ntawv xov xwm e-lub lim tiam: style, gadget guru, thiab txhua hnub thiab txhua lub lim tiam.
Nyeem peb qhov tshwj xeeb ntxiv ua kev zoo siab rau 60th hnub tseem ceeb ntawm Electronic Weekly thiab tos ntsoov rau yav tom ntej ntawm kev lag luam.
Nyeem thawj qhov teeb meem ntawm Electronic Weekly online: Lub Cuaj Hli 7, 1960.Peb tau luam theej thawj tsab ntawv kom koj txaus siab rau nws.
Nyeem peb qhov tshwj xeeb ntxiv ua kev zoo siab rau 60th hnub tseem ceeb ntawm Electronic Weekly thiab tos ntsoov rau yav tom ntej ntawm kev lag luam.
Nyeem thawj qhov teeb meem ntawm Electronic Weekly online: Lub Cuaj Hli 7, 1960.Peb tau luam theej thawj tsab ntawv kom koj txaus siab rau nws.
Mloog cov podcast no thiab mloog Chetan Khona (Tus Thawj Coj ntawm Kev Lag Luam, Lub Zeem Muag, Kev Kho Mob thiab Kev Tshawb Fawb, Xilinx) tham txog yuav ua li cas Xilinx thiab kev lag luam semiconductor teb rau cov neeg siv khoom xav tau.
Los ntawm kev siv lub vev xaib no, koj pom zoo rau kev siv cov ncuav qab zib.Electronics Lub Limtiam yog tus tswv los ntawm Metropolis International Group Limited, tus tswv cuab ntawm Metropolis Group;koj tuaj yeem saib peb txoj cai ntiag tug thiab ncuav qab zib ntawm no.