Daim ntawv thov ntawm FFU (Ntxuam Lim Unit) hauv kev lag luam precision optics tsis yog qhov tseem ceeb tab sis kuj tseem nruj heev. Hauv qhov haujlwm no, txawm tias qhov kev cuam tshuam ib puag ncig me ntsis tuaj yeem ua rau muaj kev puas tsuaj rau cov khoom lag luam. Yog li, FFU tsis yog ib qho cuab yeej pab ntxiv lawm - nws tau dhau los ua ib qho tseem ceeb ntawm cov txheej txheem tsim khoom. Hauv qab no yog cov ncauj lus kom ntxaws kev soj ntsuam ntawm FFU daim ntawv thov hauv kev lag luam precision optics:
I. Core Environmental Requirements in the Precision Optics Industry
Kev tsim khoom ntawm precision optical Cheebtsam-xws li siab-kawg lub koob yees duab lo ntsiab muag, lub hom phiaj tsom iav, lithography lo ntsiab muag, LiDAR optical systems, thiab aerospace tej thaj chaw deb sensing lo ntsiab muag -xav tau ib puag ncig nruj heev:
1. Ultrafine Particle Control: Submicron (txawm nanometer-size) cov plua plav uas nyob rau ntawm qhov chaw kho qhov muag tuaj yeem ua rau khawb, qhov tsis xws luag, los yog tawg, ua rau cov pob dub, halos, thiab qhov sib txawv ntawm kev ua duab. Cov teeb meem no cuam tshuam ncaj qha rau kev ntsuas kev ua tau zoo xws li MTF (Modulation Transfer Function).
2. Molecular Contamination (AMC) Kev Tswj: Cov pa phem hauv huab cua xws li cov vapors organic (piv txwv li, roj pos huab, sulfides, siloxanes) tuaj yeem ua rau ntawm qhov chaw kho qhov muag, ua kom tawv nqaij - rau - tshem tawm cov yeeb yaj kiab. Cov yeeb yaj kiab no hloov pauv qhov ntsuas qhov ntsuas pom, kev xa mus, thiab kev cuam tshuam ntawm lo ntsiab muag, thiab hauv kev siv laser, tej zaum yuav ua rau hlawv lossis puas.
3. Electrostatic Discharge (ESD) Tswj: Ntau yam khoom siv kho qhov muag (xws li iav, coated films) yog cov insulators thiab nquag ua kom zoo li qub. Cov nqi hluav taws xob nyiam nyiam cov khoom hauv huab cua thiab tuaj yeem ua rau ESD puas tsuaj hauv cov khoom siv hluav taws xob sib xyaw ua ke.
4. Ultra- Ib puag ncig ruaj khov: Kev hloov pauv ntawm qhov kub, av noo, thiab huab cua ntws tuaj yeem ua rau lub sijhawm thermal expansion lossis contraction ntawm cov ntaub ntawv, cuam tshuam rau kev ruaj ntseg ntawm siab - cov txheej txheem precision xws li kev sib tsoo, polishing, txheej, thiab tshuaj xyuas.
II. Lub luag haujlwm tseem ceeb ntawm FFU hauv Precision Optics
Txhawm rau ua kom tau raws li qhov xav tau saum toj no, FFUs ua lub luag haujlwm tseem ceeb hauv kev tsim cov khoom siv optics:
1. Tsim thiab Tswj Ultra-High Cleanliness Vertical Laminar Flow
- Daim ntawv thov: FFUs tau nruab nrog cov nqi them siab (feem ntau Ntau dua lossis sib npaug li 80%) ntawm cov qab nthab hauv cov txheej txheem tseem ceeb xws li kev sib tsoo, polishing, tu, txheej, sib dhos, thiab tshuaj xyuas. Lawv tsim ib qho saum toj kawg nkaus -down laminar airflow, ua haujlwm zoo li "air piston."
- Tus nqi tsim nyog: Cov cua no tsis tu ncua thiab nrawm nrawm cov khoom tsim los ntawm cov neeg ua haujlwm thiab cov khoom siv qis qis, tshem tawm los ntawm cov plag tsev lossis cov phab ntsa rov qab cua tshuab. Nws txo cov sij hawm nyob rau hauv particle thiab tiv thaiv lateral diffusion los yog deposition ntawm qhov chaw kho qhov muag -qhov no yog txoj kev zoo tshaj plaws rau kev tiv thaiv ib puag ncig.
2. Ua tiav thiab Tswj ISO Class 4–5 (Class 10–100) Kev huv huv
- Daim Ntawv Thov: Siab-kawg kho qhov muag feem ntau xav tau ISO Class 4 lossis siab dua.
- Kev Siv Ua Haujlwm: ULPA (Ultra-Low Penetration Air) cov ntxaij lim dej yog siv los hloov cov txheej txheem HEPA lim, muab ntau dua lossis sib npaug rau 99.9995% pom kev ua haujlwm zoo rau cov khoom me me li 0.12 µm. FFUs yog tsim los nrog xoom- leak sealing (piv txwv li, gel seal lossis kua foob) kom tsis txhob hla ntawm huab cua tsis zoo.
3. Ua haujlwm raws li lub platform rau kev lim tshuaj
- Daim Ntawv Thov: Cov tshuaj lim dej tau nruab rau ntawm ULPA lim, tsim ib qho "chemical + lub cev" dual filtration system.
- Tus nqi tsim nyog: Cov lim dej no (feem ntau impregnated activated carbon los yog siab -surface- cheeb tsam adsorbents) tshem tawm cov kab mob tshwj xeeb hauv huab cua (AMCs) xws li acidic gases thiab volatile organic compounds (VOCs), tiv thaiv qhov chaw kho qhov muag los ntawm cov tshuaj lom neeg.
4. Electrostatic Discharge (ESD) Tswj
- Daim ntawv thov: FFU diffuser daim hlau thiab cov vaj tsev nyob yog ua los ntawm lossis coated nrog cov khoom siv tiv thaiv- zoo li qub.
- Tus nqi tsim nyog: Qhov no tiv thaiv cov nqi hluav taws xob zoo li qub vim muaj kev sib txhuam airflow thaum lub sijhawm ua haujlwm, tsis txhob muaj qhov cuam tshuam los yog ESD cov xwm txheej uas tuaj yeem ua rau cov khoom siv kho qhov muag puas.
5. Muab ib puag ncig thermal thiab Aerodynamically ruaj khov
- Daim ntawv thov: EC (electronically commutated) motors yog siv vim lawv tsis tshua muaj cua sov thiab tswj ceev ceev.
- Tus nqi tsim nyog: Cov pa hluav taws xob qis qis txo qis thermal cuam tshuam rau qhov chaw huv huv. Cov huab cua ruaj khov yog tswj hwm los ntawm kev tswj xyuas cov pab pawg ntse, kom ntseeg tau tias huab cua tsis sib xws thiab tiv thaiv kev kub ntxhov - vim qhov kub thiab txias hloov pauv los yog cov khoom seem.
III. Daim ntawv thov hauv cov txheej txheem tshwj xeeb
1. Sib tsoo & Polishing: Tiv thaiv tus ntoo khaub lig- paug ntawm cov khoom abrasive thiab tiv thaiv ultra- qhov chaw du los ntawm khawb. Yuav tsum hnav-tiv taus thiab tiv thaiv- cov ntaub ntawv FFU zoo li qub.
2. Kev Tu: Tom qab ziab thiab ua ntej ntim, cov khoom yuav raug rau qhov chaw huv si kom tiv thaiv kom tsis txhob muaj kab mob. Cov cheeb tsam no feem ntau yuav tsum tau ua kom huv huv siab tshaj plaws.
3. Txheej (Ib puag ncig cov khoom siv txheej txheej): Txhua qhov particle tsaws ntawm lub substrate ua ntej txheej tuaj yeem ua rau txheej txheej tsis xws luag (xws li pinholes). FFUs tiv thaiv qhov chaw thau khoom ntawm cov tshuab txheej.
4. Sib dhos & Bonding: Thaum lub lens module lossis LiDAR sib dhos, FFUs tiv thaiv cov plua plav nkag mus rau hauv cov qauv, uas tuaj yeem ua rau muaj qhov tsis xws luag. Anti- cov khoom zoo li qub yog qhov tseem ceeb kom tsis txhob muaj qhov cuam tshuam.
5. Kev Tshuaj Xyuas & Kev Ntsuas: Muab cov huab cua ruaj khov thiab ib puag ncig ultra- huv si rau cov cuab yeej precision xws li interferometers, ua kom qhov ntsuas qhov tseeb thiab rov ua dua.
IV. Kev txiav txim siab tseem ceeb rau kev xaiv FFU hauv Precision Optics
Thaum xaiv FFUs rau kev lag luam precision optics, cov kev cai nruj dua yuav tsum tau siv dhau cov qauv dav dav:
1. Filter Efficiency: Yuav tsum yog qib ULPA (U15 lossis siab dua), nrog kev pom zoo heev rau 0.12 µm hais.
2. Sab Nraud Static Pressure: Yuav tsum muab siab zoo li qub (Ntau dua lossis sib npaug ntawm 120–150 Pa) kom kov yeej cov tshuaj tiv thaiv ntxiv ntawm cov ntxaij lim dej thiab tswj cov huab cua zoo ib yam thoob plaws lub lim lub neej.
3. Airflow Uniformity: Yuav tsum nruj heev (hauv ± 5% txog ± 8%). Txhua qhov airflow uas tsis yog- tsis sib xws tuaj yeem ua rau muaj kev kub ntxhov, ua rau cov khoom khaws cia.
4. Lub cev muaj zog & kev vibration: Yuav tsum siv qis- kev co EC lub cev muaj zog los tiv thaiv micro- vibrations los ntawm kev cuam tshuam rau precision optical platforms thiab cov cuab yeej tshuaj xyuas.
5. Cov Khoom Siv & Cov Qauv: Lub tsev yuav tsum zoo dua yog stainless hlau (SUS304). Tag nrho cov ntaub ntawv yuav tsum tsis tshua muaj -particle- los, tiv thaiv - zoo li qub, thiab corrosion- resistant (xws li, resistant rau cawv thiab acetone ntxuav cov neeg ua haujlwm).
6. Cov yam ntxwv xaiv tau: Cov khoom siv tshuaj lom neeg yuav tsum raug xaiv raws li cov AMC tshwj xeeb tsim hauv cov txheej txheem.
Xaus
Hauv kev lag luam precision optics, FFUs tau hloov zuj zus los ntawm cov cuab yeej siv huab cua yooj yim rau hauv cov txheej txheem tseem ceeb uas ua kom cov khoom tawm los, kev ua tau zoo, thiab kev ntseeg tau. Lawv technical application centers ntawm:
1. Tsim thiab tswj xyuas qhov ultra- huv, paug{2}}dawb, tiv thaiv- zoo li qub, thiab thermally ruaj khov microenvironment.
2. Muab ib qho zoo thiab ruaj khov laminar airflow uas ua raws li "air shield" rau txhua qhov txheej txheem precision.
3. Txhawb kev hloov kho cov kab ntau lawm los ntawm cov qauv tsim thiab kev txawj ntse kom ua tau raws li qhov xav tau ceev ceev ntawm cov khoom siv kho qhov muag.
Yog li, kev xaiv FFU yuav tsum ua raws li kev nkag siab tob txog cov txheej txheem tshwj xeeb. High-spec, siab- kev ntseeg siab FFUs nruab nrog ULPA pom, EC motors, anti- zoo li qub thiab qis- vibration nta, thiab kev xaiv tshuaj pom muaj peev xwm yog qhov tseem ceeb. Txhua tus nqi- txiav hauv FFU xaiv yuav ua rau muaj kev pheej hmoo siab dua ntawm cov khoom seem thiab kev poob zoo.
