Tshaj tawm ntawm Cov Lus Qhia

Peb "Guangheng" series ntawm tej thaj chaw deb vaj tse tshwj xeeb tsim los rau siab -kawg pom qhov muag endoscopes tau ntse thawb lub installation thiab kev sib raug zoo ntawm cov khoom kho qhov muag mus rau nanometer scale. Los ntawm ob lub thev naus laus zis, "nanometer precision reference deg processing" thiab "in-situ optical alignment auxiliary structure," cov khoom no ua kom ntseeg tau tias tus txheeb ze txoj hauj lwm kam rau ua ntawm lub koob yees duab sensor, optical lens, thiab illumination qhov rais ruaj khov nyob rau hauv ± 3 micrometers, tshem tawm cov duab distortion, chromatic aberration hauv paus, thiab illumination. Cov khoom no tau dhau los ua ib qho tseem ceeb ntawm cov khoom tseem ceeb rau 4K / 8K ultra- siab- txhais endoscopes, 3D stereoscopic vision endoscopes, thiab fluorescence imaging endoscopes.

Kev Tshawb Fawb thiab Kev Txhim Kho Tom Qab Kev Sib Tw

Qhov zoo ntawm cov duab endoscopic ua haujlwm ua "qhov muag" rau kev kuaj mob thiab kev phais, thiab nws cov ntsiab lus tseem ceeb feem ntau nyob hauv qhov kho qhov muag ntawm qhov kawg distal. Hauv kev tsim cov plhaub ib txwm siv, cov dav hlau siv tseem ceeb xws li lub koob yees duab teeb tsa nto, lub lens tuav lub nplhaib nto, thiab lub teeb fiber ntau tawm sab nrauv yog ua tiav los ntawm cov txheej txheem sib txawv, thiab cov kev ua yuam kev tuaj yeem yooj yim ua rau qhov sib txawv ntawm qhov muag, qhov muag qaij, lossis lub hom phiaj lens defocus. Txawm tias ib qho kev sib txawv me me (xws li 0.02 millimeter sensor qaij) yuav, tom qab kho qhov muag pom, ua rau pom tseeb duab trapezoidal distortion, ntug qhov muag plooj, lossis teeb pom kev tsis sib xws. Tsis tas li ntawd, qhov shrinkage ntawm cov nplaum thiab kev ntxhov siab tso tawm thaum lub sij hawm sib dhos ua ke yuav ua kom paub txog qhov tsis sib haum xeeb ntawm kev sib raug zoo. Hauv cov chaw kho mob, cov teeb meem xws li "ntug softening" ntawm cov duab, "dub ntxoov ntxoo ntawm cov ces kaum," los yog "vergence disorder" nyob rau hauv 3D lub zeem muag tshwm sim los ntawm kev kho qhov muag tsis zoo cuam tshuam rau qhov tseeb ntawm cov kws kho mob kev soj ntsuam thiab kev ua haujlwm, thiab tseem yog qhov tseem ceeb ua rau muaj kev sib txawv ntawm kev ua tau zoo thiab kev paub ntawm cov khoom siv endoscopic.

Core Technological Innovation

• Ntau- qauv ntsuas qhov chaw ib- sij hawm tsim cov txheej txheem:Ua txhaum cov txheej txheem ib txwm ua-los ntawm- kauj ruam ua hom, peb tau tsim ib qho ultra-kev ua tiav kev daws teeb meem ntawm "ib- lub sij hawm clamping, tag nrho cov qauv tsim." Ntawm lub ultra-siab rigidity 5-axis micro- chaw ua haujlwm, los ntawm tus kheej- tsim "thermal-thermal coupling yuam kev kev them nyiaj" algorithm, txhua qhov tseem ceeb ntawm qhov chaw kho qhov muag, lub lens chim kab noj hniav, qhov hluav taws xob fiber ntau, thiab cov channel tuaj yeem ua tiav hauv ib qho kev sib txuas. Qhov no tshem tawm qhov kev hloov pauv hloov pauv qhov yuam kev tshwm sim los ntawm kev rov qab clamping thiab txo qhov kev sib luag, qhov sib npaug, thiab txoj haujlwm yuam kev ntawm txhua qhov chaw kho qhov muag los ntawm ntau dua 80%, ua tiav lub tswv yim tsim khoom ntawm "tsim kev sib raug zoo."
• Hauv -situ calibration mark thiab ntsuas feature integrated design:Hauv qhov tsis yog- thaj chaw ua haujlwm ntawm lub plhaub, qhov tshiab micro-v- zoo li grooves, hla kab, lossis hemispherical depressions raug ua tiav raws li hauv -situ calibration marks. Cov qhab nia no tuaj yeem ua haujlwm tau zoo li - qhov ntsuas qhov ntsuas qhov tseeb rau lub tshuab tsis pom kev hauv cov txheej txheem tom ntej active alignment (AA) ntawm cov khoom siv kho qhov muag, txhim kho kev ua haujlwm zoo thiab raug. Nyob rau tib lub sijhawm, lub dav hlau micro- ntsuas dav dav yog tsim los ntawm lub plhaub, tso cai rau laser interferometers lossis confocal sensors siv rau hauv - ntsuas qhov chaw thaum lub sij hawm sib dhos, tiag- lub sij hawm saib xyuas ntawm qhov loj me, tsim kev tsim khoom{10}} sib dhos - ntsuas lub voj kaw.
• Tsis tshua muaj kev nyuaj siab thiab siab ruaj khov kev twb kev txuas interface kev kho mob:Rau thaj chaw sib txuas ntawm cov khoom siv kho qhov muag, ib qho tshwj xeeb micro-cov txheej txheem kho qhov muag tau tsim. Los ntawm laser nto texturing, ib txwm faib ntawm micro-cone arrays yog tsim nyob rau hauv daim ntawv cog lus nto, uas tsis tsuas yog ua rau kom qhov zoo ntawm cov khoom siv thiab cov neeg kho tshuab interlocking quab yuam, tab sis kuj muab ib tug ruaj khov txaus thiab curing qhov chaw rau cov nplaum, txo cov tivthaiv tilt kev nyuaj siab tshwm sim los ntawm uneven adhesive txheej shrinkage los ntawm 70%. Ua ke nrog kev kho mob -qib epoxy kua nplaum nrog qis qis qis thiab siab thermal conductivity, qhov ntev - lub sij hawm nyob ruaj khov ntawm cov khoom siv kho qhov muag nyob rau hauv qhov kub thiab txias ntawm -40℃mus rau 135℃thiab rov ua kom tsis muaj menyuam.

Mechanism ntawm Action

Lub luag haujlwm tseem ceeb ntawm "Guangheng" series vaj tse yog tsim kom muaj "zero-drift mechanical coordinate system" rau txoj kev kho qhov muag. Txhua qhov tshwj xeeb ua haujlwm rau cov khoom siv kho qhov muag hauv lub tsev tau dhau los ua qhov kev soj ntsuam nruj kinematic txwv thiab kev ua kom zoo. Piv txwv li, lub mounting nto ntawm lub koob yees duab sensor yog tsim los nrog ib tug "rau-point positioning" qauv uas ua kom meej meej flatness thiab verticality, yog li txwv rau 6 degrees ntawm kev ywj pheej ntawm kev txav mus los thiab xyuas kom meej tias lub sensor tsis tuaj yeem ua ib qho micro- txav tom qab kho. Kev taw qhia channel ntawm lub teeb pom kev zoo fiber ntau thiab lub ntsej muag kawg ntawm lub ntsej muag tau raug tswj xyuas kom meej rau concentricity thiab lub kaum sab xis, kom ntseeg tau tias lub teeb pom kev zoo tuaj yeem npog thaj tsam ntawm kev pom ntawm lub koob yees duab thiab tuav lub kaum sab xis preset nrog optical axis, tsis txhob ncaj qha glare ntawm lub lens. Rau 3D endoscopes, ob lub kab noj hniav ywj pheej siv rau kev txhim kho sab laug thiab sab xis lub koob yees duab modules muaj lawv qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv, lub kaum sab xis sib txuas, thiab cov coplanarity ntawm lub dav hlau sensor tag nrho ua tiav rau sub-micron precision. Qhov no yog lub hauv paus ntawm lub cev rau kev ua tiav qhov ntuj thiab tsis yog{10}} qaug zog stereoscopic tsis pom kev. Cov kev sib raug zoo ntawm kev sib raug zoo no yog "pob txha pob txha tsis pom" ntawm siab -zoo kho qhov muag duab.

Kev txheeb xyuas qhov ua tau zoo

Lub endoscopic module nruab nrog lub "lub teeb tshuav nyiaj li cas" vaj tsev ua tau zoo tshwj xeeb ntawm qhov kev sim kho qhov muag platform: nyob rau hauv tus qauv daim phiaj projection test, geometric distortion tus nqi nyob rau hauv tag nrho cov saib yog tsawg dua 1.5% (kev lag luam tus qauv saum toj kawg nkaus yog feem ntau.<3%); in the uniformity lighting test, the illumination uniformity within the field of view is greater than 90%; in the modulation transfer function (MTF) test, at the Nyquist frequency, the ratio of MTF values at the center and the edge is greater than 0.8, demonstrating excellent off-axis imaging performance. In the thermal stability test, during the temperature change from 10°C to 50°C, the image center drift is less than 2 pixels. The customer's complete machine test report shows that after using this housing, the 4K endoscope's geometric correction parameters at the factory are almost not requiring personalized adjustment, significantly simplifying the production process and improving the yield rate. In clinical simulations, the doctors' depth perception score for the 3D images using this housing significantly improved.

Kev tshawb fawb thiab kev loj hlob Strategy thiab Philosophy

Peb lub tswv yim yog "los txhais cov neeg kho tshuab qhov tseeb raws li kev ua haujlwm kho qhov muag." Peb yog nyob rau hauv lub forefront ntawm endoscope kho qhov muag tsim thiab tau tsim sib sib zog nqus kev koom tes nrog lub ntiaj teb no tus ua optical tsim tuam txhab uas muag thiab cov duab sensor manufacturers. Peb tsis tsuas yog nkag siab txog cov duab kos duab, tab sis kuj muaj kev paub zoo txog kev ua haujlwm kho qhov muag, kev xav tsis zoo, thiab teeb pom kev zoo. Peb cov qauv tsim tsis yog tsuas yog CAD qauv thiab kev ua siab ntev bands, tab sis kuj tseem muaj cov qauv hloov pauv hloov pauv (MTF) nkhaus, cov duab txheeb ze (RI) daim duab, thiab cov kab sib txawv ntawm cov neeg siv khoom kho qhov muag. Peb hloov cov ntsuas kev ua tau zoo ntawm qhov muag los ntawm kev tsom xam rhiab heev rau hauv quantifiable and measurable mechanical tolerance requirements for each other feature of the vaj tse. Peb lub tswv yim yog: lub vaj tse zoo meej yuav tsum ua kom muaj kev tsim zoo tshaj plaws ntawm cov kws kho qhov muag kom nthuav tawm yam tsis muaj kev poob hauv lub ntiaj teb tiag. Peb yog cov "realizers" ntawm optical npau suav.

Yav tom ntej Outlook

Nyob rau hauv lub neej yav tom ntej, kev kho qhov muag kho qhov muag yuav tsum sib sib zog nqus nrog kev txawj ntse them nyiaj. Peb tab tom txhim kho "cov khoom siv kho qhov muag kho qhov muag," uas ua ke nrog micro piezoelectric actuators sab hauv. Ua ntej tsim khoom lossis thaum siv, nws tuaj yeem ua tau nanometer- theem zoo- kho qhov chaw ntawm lub koob yees duab lossis cov khoom siv lens raws li cov duab pom tau los them rau qhov me me drift tshwm sim los ntawm qhov ntev - siv sijhawm ntev lossis ib puag ncig huab cua, ua tiav "qhov tseeb ntawm lub neej." Nyob rau tib lub sijhawm, peb tab tom tshawb nrhiav thiab koom ua ke nrog kev suav cov duab los tsim cov vaj tsev nyob tshwj xeeb zoo rau cov duab thaij duab tshiab xws li "tsis yog-lens imaging" lossis "light field imaging." Cov thev naus laus zis no tuaj yeem muaj cov kev xav tau sib txawv rau cov neeg kho tshuab precision los ntawm ib txwm siv optics. Lub zeem muag loj dua yog koom nrog hauv kev tshawb fawb thiab kev txhim kho ntawm "chip-theem endoscopes," kev koom ua ke CMOS sensors thiab micro optical Cheebtsam ntawm qib wafer. Peb lub luag haujlwm yuav yog los tsim lub hauv paus microstructure qhov kawg nrog atomic- theem flatness thiab thermal txuam uas nqa qhov "optical nti," tsav endoscopes rau hauv "system- ntawm -ib -chip" era.