ESD muaj teeb meem zoo li qub thiab tiv thaiv kev tiv thaiv
I. Cov ntsiab lus thiab cov ntsiab lus
1. Lub cev hluav taws xob (static electricity): ib qho nyiaj uas muaj nqi uas tsis zoo los yog tsis txaus rau ntawm qhov khoom
2. Electrostatic field: ib qho hluav taws xob uas tsim los ntawm hluav taws xob muaj hluav taws xob puag ncig nws
3. Tso lub tsho hluav taws xob: Ob yam khoom siv nrog lwm yam electrostatic tej zaum yuav ua rau hloov cov electrostatic nqi ntawm ob yam khoom vim yog kev tiv tauj los yog kev tshem tawm ntawm electrostatic. Tom qab lub zog ntawm lub electrostatic fais fab teb ncav cuag ib theem, qhov tshwm sim uas nruab nrab tawg thiab tawm yog tawm electrostatic.
4. Lub cev muaj zog: lub electrostatic tawm qhov hluav taws xob uas qhov tivthaiv tuaj yeem tiv thaiv tau
5. Cov khoom siv hluav taws xob tshuab hluav taws xob: cov cuab yeej ua kom muaj pa tawm ntawm qhov hluav taws xob
6. Kev Yoojyim: Kev sib txuas nrog cov khoom uas tuaj yeem tau txais lossis txais ntau nqi hluav taws xob, xws li lub ntiajteb, lub nkoj, thiab lwm yam.
7. Kev ua tsis ncaj ncees: Siv cov nqi siv nyiaj los ua kom muaj hluav taws xob tsis zoo
8. Ua haujlwm thaj tsam li qub: muaj cov khoom siv thiab khoom siv tiv thaiv los ntawm ntau yam khoom siv, yuav txwv tsis pub siv lub electrostatic, muaj cov ciaj ciam cheeb tsam thiab chaw khawb tshwj xeeb uas tsim nyog rau kev tiv thaiv electrostatic
Thib ob, qhov cim ntawm hluav taws xob zoo li qub:
1. Kev Tawm Tsam: Hauv txhua txhua hnub, txhua yam khoom siv ob yam khoom sib txawv tau sib nrug tom qab sib cuag, thiab hluav taws xob muaj peev xwm tsim tau. Txoj kev siv hluav taws xob feem ntau yog tsim hluav taws xob los ntawm kev sib txhuam. Qhov zoo dua qhov rwb thaiv tsev ntawm cov khoom, nws yooj yim dua yog siv triboelectricity. Tsis tas li ntawd, qhov sib cais ntawm ib qho twg ob hom sib txawv kuj tuaj yeem tsim hluav taws xob tom qab sib tiv tauj.
2. Induction: Rau cov khoom siv hluav taws xob, vim cov electrons tuaj yeem khiav dawb ntawm nws qhov chaw, xws li muab tso rau hauv ib cheeb tsam hluav taws xob, vim yog tib co-deev txiv neej, cov lus sib deev tsis sib luag, thiab qhov zoo thiab tsis pom zoo electrons.
3. Kev Tswj: Rau cov khoom siv ua hluav taws xob, kev hloov ntaub ntawv yog tshwm sim vim yog cov dawb ntawm electrons ntawm nws qhov chaw, xws li kev sib cuag nrog cov khoom siv.
Thib peb, yam tshwm sim ntawm hluav taws xob hauv hluav taws xob hauv tshuab hluav taws xob
Qhov teeb meem ntawm qhov kev sib cog ua ke ntawm kev sib txig yog txo kom tsawg, thiab qhov poob ntawm qhov seem, thiab qhov chaw ntawm cov kab no raug txo, kom lub electrostatic shock tsis kam ntawm lub cuab yeej tsis muaj zog, thiab electrostatic fais fab teb (Static Electric Field) thiab cov electrostatic tam sim no ( ESDcurrent) dhau los ua cov neeg tuag taus ntawm cov high-density Cheebtsam. Tib lub sijhawm, kev siv ntau ntawm cov ntaub ntawv pov thawj ntau xws li cov khoom yas tau coj los ua kom muaj zog tuaj yeem tsim kom muaj hluav taws xob zoo li qub. Lub cev hluav taws xob muaj peev xwm tsim tau nyob rau hauv txhua txhua hnub xws li taug kev, huab cua khiav, thiab tuav. Nws feem ntau ntseeg hais tias tsuas yog CMOS-raws li chips yog sensitive rau hluav taws xob zoo li qub. Nyob rau hauv qhov tseeb, muaj kev sib sau ua ke circuits yog rhiab.
A. Cov nyhuv hluav taws xob hauv hluav taws xob hauv hluav taws xob
A) Electrostatic adsorption ntawm plua plav, hloov lub impedance ntawm cov kab, cuam tshuam tus ua haujlwm thiab lub neej ntawm qhov khoom.
B) Lub rooj sib txoos yog ua haujlwm (tag nrho puas) vim hluav taws xob los yog kev puas tsuaj tam sim no rau cov rwb thaiv tsev los yog cov neeg tua hluav taws.
C) Vim yog lub cua sov uas ua los ntawm lub caij ua hluav taws xob los sis tam sim no, qhov kev tiv thaiv yog raug mob, tseem ua haujlwm, thiab lub neej puas tsuaj.
B, yam ntxwv ntawm electrostatic kev puas tsuaj:
1. Cov tib neeg lub cev tsis muaj peev xwm nkag siab ncaj qha hluav taws xob, tshwj tsis yog tias cov electrostatic tso tawm, tab sis cov electrostatic tso tawm tshwm sim, tib neeg lub cev yuav tsis muaj kev xav ntawm hluav taws xob. Qhov no yog vim hais tias tib neeg lub cev xav tias ib qho hluav taws xob tawm qhov hluav taws xob tawm ntawm 2-3 kV.
2. Kev loj hlob Qee lub tshuab hluav taws xob tsis muaj teebmeem los ntawm electrostatic kev puas tsuaj, tab sis ntau cov khoom qis tshaj tawm yuav ua rau sab hauv kev puas tsuaj, uas ua rau cov cuab yeej hluav taws xob zoo dua qub. Tsis muaj kev kho rau cov teeb meem uas tau tshwm sim.
3. Nyob rau hauv cov xwm txheej twg thiaj li raug siv hluav taws xob cheem tsis zoo rau electrostatic kev puas tsuaj? Nws tuaj yeem hais tau tias txhua txoj kev los ntawm lub sijhawm ntawm ib qho kev tivthaiv kom txog rau thaum nws raug puas tsuaj los ntawm hluav taws xob hauv hluav taws xob, thiab tiam ntawm cov hluav taws xob zoo li qub kuj yog qhov qub. Txij li thaum lub sijhawm thiab kev tshem tawm ntawm hluav taws xob muaj hluav taws xob tseem ceeb, nws nyuaj rau twv thiab tiv thaiv.
4. Ua haujlwm electrostatic tso kev puas tsuaj kev ua haujlwm, ua rau cov nplua nuj thiab cov yam ntxwv ntawm cov khoom siv hluav taws xob, nws yog lub sij hawm-siv, kev mob siab, thiab muaj nuj nqis. Cov kev nyuab nyuab dua yuav tsum tau siv cov kev seev suab xws li tshuab luam ntawv electron microscopy, txawm tias muaj qee qhov kev puas tsuaj ntawm electrostatic. Nws yog ib qho nyuaj rau qhov txawv ntawm qhov kev puas tsuaj los ntawm lwm yam ua rau, ua rau tib neeg yuam kev ntawm qhov kev puas tsuaj ntawm electrostatic li lwm yam kev ua yuam kev. Qhov no feem ntau tshwm sim los ntawm kev tsis ua hauj lwm ntxov los yog tsis paub meej ua ntej ua ntej qhov hluav taws xob paug tawm puas tsis to taub, yog li no unconsciously concealing. Qhov tiag yog vim li cas tsis ua hauj lwm.
5. Qhov teeb meem ESD cov teeb meem zoo li cov neeg siv cov khoom tiav, tiam sis yeej muaj feem cuam tshuam rau cov tuam txhab ntawm txhua theem, xws li: warranty, kev kho thiab lub tuam txhab lub koob npe nrov.
Qeb plaub, peb hom ESD
1. Tib neeg lub cev txhais tau hais tias txoj kev sib txhuam ntawm lub cev thiab cov khaub ncaws ua rau lub triboelectric nqi thaum tib neeg lub cev txav. Thaum cov neeg tuav ESD-sensitive khoom uas tsis tau muab tso ua ntej them nyiaj rau hauv av, tus nqi them rau theem siab yuav tsiv mus rau ESD-sensitive khoom thiab ua rau kev puas tsuaj.
2. Cov hom microelectronics hais txog cov cuab yeej siv ESD, tshwj xeeb tshaj yog rau cov khoom yas. Thaum siv cov khoom muag tuaj, triboelectric tsub raug tsim tawm, thiab cov triboelectric tsub no raug tawm sai sai los ntawm cov kab uas tsis muaj peev xwm ua rau ib tus neeg ua haujlwm, cov khoom hauv av. Qhov saum npoo, yog li ua kev puas tsuaj; los yog ua rau kev puas tsuaj rau hlau qhov ntawm ESD-sensitive ntaus ntawv los ntawm qhov raug kaw.
3. Hom teb yog ncig los ntawm lub zog muaj hluav taws xob, uas tuaj yeem los ntawm cov khoom yas los yog cov tib neeg khaub ncaws, qhov hluav taws xob ntawm qhov hluav taws xob tshwm sim thoob plaws cov oxide txheej. Yog tias qhov sib txawv tshaj li qhov sib txawv ntawm qhov dielectric ntawm oxide txheej, ib qho kev tshwm sim muaj tshwm rau ntawm sab ua kom oxide txheej, thiab vim li ntawd, nws yog luv luv-circuited.
Tsib, kev tiv thaiv zoo li qub
Av
Hla ncaj qha mus ncaj qha tawm ntawm kev siv hluav taws xob mus rau hauv av. Qhov no yog txoj kev ncaj tshaj thiab siv tau los tiv thaiv kev tiv thaiv hluav taws xob. Rau cov neeg ua ke, av siv feem ntau siv, xws li cov khoom ci uas siv los tiv thaiv lub plhaub pob tw los tiv thaiv thiab ua av ua haujlwm.
Huv yog siv los ntawm txoj kev hauv qab no:
1) Tib neeg lub cev yog grounded los ntawm lub dab teg.
2) Cov tib neeg lub cev yog grounded los ntawm cov khau los tiv thaiv (los yog khau khiab) thiab ib qho av zoo li qub.
3) Lub qhov chaw ua haujlwm yog qhov av.
4) Qho kev ntsuas, cuab tam, cuab kav hlau.
5) Lub plag puag pem, av hauv av.
6) Cov tsheb thauj khoom siv rau kev sib hloov, cov npov thiab cov hlua yuav tsum muab tso kom ntau li ntau tau.
7) Thaj tsam hauv lub rooj zaum uas muaj teeb meem los tiv thaiv.
2. Electrostatic shielding
Electrostatic sensitive Cheebtsam yog raug hluav taws xob thaum muaj kev cia tsheb lossis kev thauj mus los. Txoj kev tiv thaiv electrostatic tiv thaiv yuav ua rau lub zog ntawm sab nraud hluav taws xob hauv cov cheebtsam hluav taws xob. Txoj kev siv ntau tshaj yog siv cov hnab ntim khoom tiv thaiv electrostatic thiab cov thawv rau khoom siv los tiv thaiv zoo li tiv thaiv. Tsis tas li ntawd, cov khaub ncaws hnav zoo li qub tau muaj qee cov tshuaj shielding ntawm cov khaub ncaws ntawm tib neeg lub cev.
3. Ion neutralization
Insulators yuav tsim hluav taws xob zoo li qub, thiab hluav taws xob ntawm lub tshuab hluav taws xob raug tshem tawm. Txoj kev grounding yog siv tsis tau. Feem ntau siv txoj kev yog ion neutralization (siv cov shielding), uas yog, siv ib qho ion kiv cua hauv chaw ua hauj lwm los muab kev ua lag luam. cheeb tsam.
Yog li, nyob rau hauv cov ntaub ntawv anti-static thiab anti-static cov chaw, lawv yog derived ntawm no peb txoj kev, uas tau muab faib ua anti-static meters, grounding system anti-static khoom, shielding anti-static ntim, kev thauj mus los thiab cia cov anti- cov ntaub ntawv zoo li qub, Cov khoom tsis zoo ntawm cov khoom siv tsis zoo li qub, thiab lwm cov khoom siv tawm tsam.
A. Kev ntsuas hluav taws xob tiv thaiv
1. Lub plhaub taub hau / ko taw pluaj / khau tiv thaiv kab mob sib kis kab nrig - siv: kom paub tias lub tsho ntawm lub dab teg, taw hlua, cov khau los tiv thaiv zoo li qub.
2. Thaum kuaj cov hlua khau thiab cov khau tiv thaiv zoo li qub, nws yuav tsum ntxiv ib daim hlau thiab lub xov hlau txuas nrog lub ntsuas.
3. Ntxiv rau kev siv lub tshuab hluav taws xob electrostatic ion - siv: Txheeb xyuas thiab xyuas qhov ion kiv cua tshuav thiab lwj sijhawm kom paub meej tias cov ion kiv cua ua haujlwm nyob rau hauv kev nyab xeeb ntau ntawm cov ntsuas.
4. Electrostatic Field Detector - Siv: Ntsuas daim teb electrostatic kom pom tau tias muaj qhov hluav taws xob hauv hluav taws xob, nyeem ntawv hauv qhov ua hluav taws xob, thiab kuaj lub zog ntawm electrostatic ntawm qhov chaw. Feem ntau, nws yog ib qho nyuaj rau kev cuam tshuam qhov tseeb qhov teeb meem vim qhov kev cuam tshuam cov huab cua thiab qhov instantaneous yam ntxwv ntawm cov hluav taws xob zoo li qub.
5. Electrostatic shielding lub hnab ntim khoom siv - siv: siv txhom tau cov nyhuv shielding ntawm lub hnab ntim khoom electrostatic.
6. Cov dej ntws ua ntsuas cov ntsuas - siv: siv los ntsuas cov khoom tawv ua hauj lwm, ntim tsis ua haujlwm.
B. Hla cov khoom siv los tiv thaiv
1. Cov kaus mom tiv thaiv kom zoo li qub: Nws yog dav siv ntau yam haujlwm. Muaj ntau hom dab teg. Nws yog pom zoo kom siv lub dab tawm lub xub pwg nrog ib lub zog ntawm 1 mega ohm. Qhov ntev ntawm lub cable yuav tsum muaj ib qho paj tau paj.
2. Kev tiv thaiv zoo li qub: Txwv kev tiv thaiv ntawm lwm yam tshuaj tiv thaiv (xws li muab cov kiv cua sib npaug, hnav ib qho luaj li qub, thiab lwm yam) kom tau zoo dua qub los tiv thaiv. Nws tsis pom zoo los hnav ntau ntau ntawm cov khoom siv tiv thaiv ua ntej.
3. Cov khaub ncaws uas zoo li qub los tiv thaiv kab mob: Tom qab siv tshuaj tua kab los tiv thaiv, lub hoobkas yuav tsum hnav zoo li qub los yog cov khau tiv thaiv zoo li qub. Nws raug nquahu kom hnav cov khau tiv thaiv zoo li qub hauv kev cob qhia kom txo tau cov hmoov av. Nws yog qhov zoo dua rau tus neeg teb xov tooj kom muab cov hlua los tiv thaiv lub pob twv nrog cov nyhuv.
4. Los tiv thaiv cov khoom qub: Nws yog siv rau kev tso saum npoo ntawm txhua qhov chaw ua hauj lwm. Txhua tus lev muaj ib tug 1 megaohm resistor ntawm txoj hlua thiab reliably txuas nrog anti-static av.
5. Khoom siv hauv tsev zoo li qub:
Khoom siv hauv pem teb yog muab faib ua: PVC pem teb, polyurethane pem teb, hauv pem teb.
Anti-static wax thiab anti-static xim: Anti-static wax yuav siv rau ntau qhov chaw hauv pem teb kom muaj kev cuam tshuam los ntawm kev ua kom muaj nuj nqi thiab ua kom lub qhov zis kaj thiab huv.
Cov xim muaj xim zoo li qub yuav siv rau ntau qhov chaw hauv pem teb, nrog rau ntau lub rhawv, cov kab kos thiab lwm yam ntim.
C. Cov ntaub ntawv pov thawj tiv thaiv thiab cov ntaub ntawv cia khoom tiv thaiv
1. Lub npov thiav npaug ntawm qhov chaw zoo li qub, lub thawv rau lub rooj sib txig sib luag: siv rau kev lag luam, kev thauj mus los thiab cia cov veneer thiab qhov chaw ntawm qhov kev cob qhia.
2. Lub hnab ntim thaiv kom zoo li qub: siv rau ntim, kev thauj mus los thiab cia cov veneers thiab qhov chaw, nrog qee qhov txaij pov tseg.
3. Cov ntaub ntawv zoo li qub: siv ntau lub thawv ntim, thiab lwm yam.
4. Tshuaj tiv thaiv kab mob IC-static IC thiab IC trays: siv los cia thiab tuav ntawm IC Cheebtsam hauv kev cob qhia ntau tshaj. Nws yog txwv tsis pub khaws ICs rau hauv qhib cua ua ntej yuav siv; lossis tshem tawm thiab thauj.
5. Cov khoom txig dai khaub ncaws, cov khoom ntim thiab cov ntsig txog kev ua haujlwm: Cov khoom siv sib tshos thiab cov khoom siv sib txig sib luag siv dav dav rau cov khoom thiab cov khoom siv hauv kev sib txig sib txig. Cov khoom siv coj los tiv thaiv thiab cov ntsig txog kev ua haujlwm yuav tsum muaj kev sib txuas ntawm cov qub. Cov khoom nyhav rau ntawm lub trolley yuav tsum muaj hlau saw thiab tiv thaiv kev tiv thaiv.
6. Cov khau tiv thaiv kev ua haujlwm: Cov neeg ua haujlwm feem ntau yuav tsum tau hnav cov hauj lwm ua haujlwm thoob plaws hauv lub rooj ua haujlwm nrog cov khoom uas muaj zog hauv lub cev thiab cov kev tu tsev.
7. Tus ntiv tes los tiv thaiv tus ntiv tes: Yog tias tus neeg teb xov tooj ntawm lub chaw nres tsheb yuav tsum tuav cov khoom ntaiv los sis cov khoom ntiag tug zoo li niaj zaus, nws yuav tsum hnav cov ntiv tes los tiv thaiv ntiv tes.
D. Khoom nruab nrab
Ion kiv cua, cua phom