Kev soj ntsuam ntawm qhov teeb meem ntawm kev zoo ua ntej kev luam ntawv
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Kev luam ntawv yog ib qho tseem ceeb heev, thiab yuav ua li cas thiaj tswj tau qhov raug tau thaum lub sij hawm luam ntawv yog qhov tseem ceeb tshaj plaws. Qhov tseeb ntawm kev tiv thaiv kab mob yog ib qho tseem ceeb hauv kev txiav txim siab seb puas los yog tsis tau txais cov khoom zoo. Yog li yuav txiav txim li cas lub sij hawm tsim nyog raug zam kom tsis txhob muaj cov tshuaj ntsuam tsis ua hauj lwm hauv qhov raug Cov hauv qab no yuav soj ntsuam ntau cov teeb meem tseem ceeb uas cuam tshuam qhov zoo ntawm qhov screen raug, thiab muab ib daim ntawv qhia rau kev txiav txim lub sij hawm raug.
Cov nyhuv ntawm lub teeb ci nyob rau kis
Qhov kev xaiv ntawm lub teeb ci yog thawj qhov teeb meem yuav tsum tau xav txog nyob rau hauv kev tshuaj xyuas kev luam ntawv. Qhov tseeb xaiv thiab siv ntawm lub teeb pom kev zoo yog qhov tseem ceeb ntawm kev txhim kho qhov zoo ntawm qhov screen, simplifying lag luam, txuag zog, tswj kev noj qab haus huv thiab txo cov nqi.
Txhawm rau txhim kho qhov phaj kev zoo, nws yog qhov yuav tsum tau kawm txog kev sib raug zoo ntawm cov duab ci ntsa iab thiab lub teeb ci, qhov tso tawm ntawm lub teeb ci, qhov sib txawv nruab nrab ntawm lub teeb ci thiab qhov screen, thiab lub wavelength ntawm lub teeb ci, thiab npaj lub sij hawm raug.
Cov khoom siv duab yog xim mus rau lub teeb ci. Cov lus 1 qhia txog cov yam ntxwv ntawm ntau lub teeb pom kev zoo thiab lub tshav puam hluav taws xob. Nws tuaj yeem pom tias tag nrho cov emulsions tau xaiv los ntawm cov khoom siv hlau hle, cov teeb meem mercury mercury thiab qee cov roj fluorescent (teeb teeb) raws li lub teeb ci. Lub sij hawm raug tshwm sim me ntsis txawv ntawm cov duab zoo vim qhov sib txawv ntawm qhov ntau ntawm illumination.
Txoj kev siv ntawm lub teeb ci tuaj yeem yog qhov tseem ceeb tshaj plaws uas cuam tshuam rau lub sij hawm raug. Kev siv ntawm lub teeb pom kev yog hais txog qhov nyiaj ntawm lub zog rau cov duab yeeb yam los ntawm lub teeb ci. Nws muaj feem rau qhov kev ncua deb ntawm lub teeb ci siv thiab lub teeb ci thiab qhov screen (lub teeb nrig). Yog tias lub teeb nruam hloov, lub sij hawm uas pom tau zoo yuav tsum rov qab ntsuas dua. Lub sij hawm raug seev cev nrog squared nrog lub teeb nruam. Kev paub tau pom tias yog qhov teeb meem ntawm kev teeb yog nce ntawm 1 zaug, lub sij hawm raug lub sijhawm yuav tsum tau nce ntau dua 3 zaug; sib piv, yog tias qhov teeb meem ntawm lub teeb raug txo los ntawm 1 zaug, lub sij hawm raug tus kab mob yuav tsum raug txo mus rau lub hlis dhau los.
Kev qaug zog thiab kev ncua ntawm kev tshuaj ntsuam
Txoj kev raug mob yog qhov yuav tsum tau ua kom luam zoo. Qhov kuaj pom tseeb tuaj yeem ua raws li qhov tseem ceeb, tsis txhob paub tseeb cov qauv kab thiab cov xim xim hauv cov ntaub ntawv tshaj tawm. Kev kis tau ntev tshaj ntawd yuav ua rau "lub teeb diffraction" tshwm sim, cuam tshuam txog lub ntsiab txhais thiab kev daws teeb meem ntawm qhov screen; Kev ua tsis ncaj yog qhov tshwm sim. Yog tias nws tsis pom nyob rau hauv lub sij hawm, tom qab luam ntawv ntawm lub tshuab, tsis zoo xwb zoo luam ntawv tsis zoo, cov ntaub ntawv raw yog khib nyiab, thiab cov tshuaj tsis yooj yim dua. . Muaj ntau qhov kev tshwm sim ntawm kev txo tawm.
1) rhuav thiab pinholes tshwm sim thaum tab tom xyaum
Underexposed npo, vim tias cov nyhuv ntawm dej siab thaum txoj kev loj hlob, cov duab ntawm cov duab yuav tsis zoo, cov yeeb yaj kiab tau pinholes, photoresist yuav ntws raws kua nplaum ntawm qhov screen, los yog nws yuav tsoo nqes ntawm lub mesh. Tom qab nrhiav pom qhov teeb meem no, nws yog qhov yuav tsum tau sim lub sij hawm raug thiab rov qab sau lub phaj. Tsis tas li ntawd, kev thev tsis ua hauj lwm yuav cuam tshuam cov kev pab cuam ntawm lub vijtsam ntawm cov xovxwm luam. Rau luv-khiav, yog hais tias qhov luam tawm ntim ntau txhiab los yog kaum tawm txhiab tus qhab nia, pinholes tuaj yeem tshwm hauv duab duab vim tsis txaus los ntawm kev photoresist. Lossis ua zaj duab xis, los yog lub ploj ntawm qhov hnyav thiab tus cwj mem, ua rau cov yeeb yaj kiab kom poob tawm, yog li lub vijtsam tsis tuaj yeem sau tsis tau ntawm lub tshuab.
2) Cov duab ntawv tsis tiav
Kev kis tsis tau yooj yim, yooj yim ua rau cov ntaub nplaum tsis so ntog ua ntu rau hauv qhov ntawm lub qhov nrig. Tom qab ziab khaub ncaws, ib daim duab pob tshab yog tsim ntawm lub vijtsam los thaiv cov mesh, uas ua rau cov duab tsis tiav thiab cuam tshuam yam khoom zoo.
Qee cov neeg xav hais tias nws tsis yog lawm los ua kom lub ntsej muag ntawm tus qauv los ntawm kev txo cov sij hawm raug. Qhov tseeb, hom no tsis yog lawm vim hais tias tsis muaj kev raug mob tsis nce lub ntsiab txhais. Lub ntse yog tom qab qhov sib txawv ntawm zaj duab xis ncav cuag qhov yuav tsum tau, los ntawm txoj kev ntse ntawm txoj kab lossis Qhov tseeb ntawm cov dots qhia qhov zoo ntawm cov ntawv luam tawm. Kev txhim kho clarity tsis yog nyob ntawm seb yuav ua pes tsawg zaus los txhim kho, tshwj xeeb tshaj yog thaum luam ntawv loj.
3) Lub vijtsam ua luam tsis yooj yim dua
Qhov kev hloov ntawm kev thim rov qab yuav tshwm sim hauv cov txheej txheem luam ntawv. Raws li tus number case thiab cov hnyav tas li tamsim ntawm cov duab thev duab hauv kev tsim duab los ua kev sib tshuam, nrog rau qhov kev tshuaj ntsuam, nws nyuaj rau tshem tawm cov naam thaum qhov kev tshuaj xyuas ub no, ua rau qhov kev thim rov qab. .
Feem ntau ntawm cov mesh loj thiab xim ntawm kis
Tam sim no, muaj ntau hom hlau mesh, thiab cov khoom tsis ncaj ncees. Txawm li cas los xij, nws yuav tsum paub meej tias tus mesh xov tooj thiab xaim lub kab ntawm lub xaim mesh txiav txim siab qhib qhov ntawm lub mesh hlau thiab lub thickness ntawm mesh daim ntaub, thiab nyob rau tib lub sij hawm cuam tshuam rau qhov chaw nres tsheb hauv internet ntawm lub emulsion. Tawm, qhov tseeb, qhov screen emulsion uas yuav tsum tau coated nrog tus loj qhib qhov qhib thiab ib lub xov tuab yog tuab, yog li ntawd lub sij hawm yuav tsum tau ntev kom haum, thiab lub sij hawm raug lub sij hawm luv dua.
Feem ntau, cov ntxaij vab tshaus dawb yog nquag pom lub teeb ci ntsa iab, ntim ultraviolet lub teeb rau cov npoo ntawm daim duab uas yuav tsum tsis txhob raug, ua rau tsis tshee tsho thiab cov npoo tawv nqaij. Txawm hais tias lub sij hawm raug tsawg heev, nws cuam tshuam qhov daws teeb meem thiab cov kab ntawm qhov screen. Ncajncees. Lub vijtsam daj ua rau ultraviolet lub teeb nrog lub wavelength ntawm 350-420 nm, uas zoo txo qhov kev puas tsuaj ntawm lub teeb tawg mus rau qhov kev tshuaj ntsuam. Kev ntsuam xyuas tau pom tias qhov daj sov npo siv los ua lub teeb ci ultraviolet ntawm lub vijtsam daj, thiab lub teeb pom kev zoo tsis muaj teeb meem wavelengths ntawm 350 mus 420 nm. Los ntawm xa daim UV tawg, koj tuaj yeem tau txais cov xim ntse thiab cov ntawv. Yog li, thaum koj ua ib qho zoo nkauj, koj yuav tsum xaiv xauv npo daj kom ntau li ntau tau, thiab txhim kho qhov kev lag luam luam kom zoo thaum xaiv lub sijhawm zoo tshaj plaws. Ua zoo rau kev rov qab ntawm qhov screen.
Cov nyhuv ntawm kub thiab av noo ntawm raug
Qhov kub hloov tau ib qho dej cawv rau txheej emulsion. Nyob rau hauv ib txwm tej yam kev mob, qhov kub thiab txias yog li 4 ° C, thiab lub rhiab heev ntawm zaj duab xis yog qeeb heev. Thaum lub ntsuas kub muaj zog los ntawm 1.8 ° C, qhov ua rau ntawm photoresist txheej tau nce ntawm 3 zaug. Kev ceev cov duab ntawm cov txheej nplaum kuj tau nce ntxiv, thiab lub sij hawm raug tsawg dua. Txawm li cas los xij, thaum lub ntsuas kub dhau (siab tshaj 40 ° C), tus neeg tsis pom kev tsis haum nws yog qhov tsaus ntuj nti, uas ua rau cov duab ci ntsa iab rau nws tus kheej-crosslink. Yog li ntawd, qhov pom ntawm high-light ntawm cov teev yog ploj, thiab qhov kev daws teeb meem yog txo qis. Yog li, qhov chaw khiav dej num yuav tsum raug tswj. Ntawm ib ncig 25 ° C.
Cov voj voos hloov pauv kuj tseem tuaj yeem cuam tshuam qhov zoo tshaj plaws ntawm qhov screen. Yog hais tias qhov tshuaj ntsuam tsis yog kiag li qhuav los yog cov ambient humidity siab, qhov kev lag luam luam yuav ua kom tsawg, thiab qhov txheebze ntawm qhov chaw ua haujlwm yuav raug tswj ntawm 50% mus rau 70%. Qhov kis tau zoo tshaj plaws.
Yog lub sijhawm raug
Nws muaj ntau txoj hau kev los txiav txim siab txog kev pom lub sij hawm ntawm kev tshuaj ntsuam. Nyob ntawm cov emulsion siv, feem ntau, cov chaw tsim tshuaj paus ntawm cov emulsion yuav muab cov kev tsis yooj yim ntawm qhov raug rau koj cov khoom. Koj tuaj yeem xaiv cov kev txwv no kom haum koj cov kev xav tau. Lub sij hawm zoo tshaj plaws, los yog siv raws li nram no los txiav txim seb lub sij hawm raug.
1. Kev ntsuam xyuas cov qhab nees
Txoj kev muab qhab nia ntsuas yog ib qho kev siv sij hawm ntau zaus, uas siv lub sijhawm kwv yees raug raws li lub sij hawm raug lub sij hawm, thiab mam li qhia tawm ntawm tib qho screen rau ntau qib kom tau txais qhov zoo sij hawm. . Cov kauj ruam tshwj xeeb yog: ua ntej qhib qhov kev tshuaj ntsuam los ntawm 50% ntawm lub sijhawm kwv yees, tom qab npog 1/5 ntawm qhov screen, thiab ces tso tawm los ntawm 25% ntawm lub sij hawm txhawj xeeb, uas yog, npog 1/5 txhua zaus, thiab nias 50% ntawm lub sij hawm dhau los raug, thiab 5 thaj chaw muaj ntau theem raug tau. Qhov tshuaj ntsuam tau tuaj yeem ntxuav thiab qhuav, thiab lub sijhawm zoo tshaj plaws tuaj yeem pom muaj tom qab kev tiv thaiv.
2. Txoj kev ntsuam xyuas txoj kab (strip) (daim ntawv kuaj)
Qhov kev ntsuam xyuas raug sim yog qhov cuab yeej tsim nyog rau kev luam ntawv. Nws tuaj yeem kuaj qhov tseeb sijhawm ntawm cov ntaub ntawv sib txawv thiab ntau zaj duab xis thicknesses rau ntau lub teeb ci, thiab plays lub luag haujlwm pabcuam tseem ceeb hauv kev txhim kho qhov zoo ntawm qhov screen. Feem ntau yog siv cov ntawv kuaj ntshav kuaj kab mob EC thiab kuaj cov kab mob sib tw, uas muaj kev tiv thaiv zoo dua thiab tuaj yeem ua tau lossis txo tus sij hawm tsawg li qhov kev xav tau.
Vim tias muaj ntau yam cuam tshuam rau qhov zoo ntawm qhov screen raug, qhov tseeb ntawm lub sij hawm raug los ntawm txoj kev tiv thaiv tsis tau tshuaj yog qhov zoo tshaj plaws txhais tau tias kom muaj qhov zoo ntawm qhov screen.