Granite precision platforms, nrog lawv cov rigidity siab, qis expansion coefficient, zoo heev damping kev ua tau zoo thiab ntuj anti-magnetic zog, muaj irreplaceable daim ntawv thov nqi nyob rau hauv high-end kev tsim khoom thiab kev tshawb fawb teb qhov twg precision thiab stability yog heev xav tau. Cov hauv qab no yog nws cov ntsiab daim ntawv thov scenarios thiab kev zoo ntawm kev siv:
I. Teb ntawm Ultra-precision ua khoom siv
Cov khoom siv tsim khoom semiconductor
Cov xwm txheej ntawm daim ntawv thov: Lub rooj ua haujlwm ntawm lub tshuab lithography, lub hauv paus ntawm lub tshuab dicing wafer, lub platform tso khoom siv ntim khoom.
Tus nqi kev txawj ntse:
Tus coefficient ntawm thermal expansion ntawm granite tsuas yog (0.5-1.0) × 10⁻⁶ / ℃, uas tuaj yeem tiv taus qhov kub thiab txias hloov pauv thaum lub sijhawm nanoscale raug ntawm lub tshuab lithography (qhov yuam kev hloov chaw <0.1nm hauv ib puag ncig ntawm ± 0.1 ℃).
Cov qauv micro-pore sab hauv tsim cov damping ntuj (damping ratio 0.05 txog 0.1), suppressing lub vibration (amplitude <2μm) thaum lub sijhawm txiav ceev ceev los ntawm lub tshuab dicing thiab xyuas kom meej tias qhov ntug roughness Ra ntawm qhov txiav wafer tsawg dua 1μm.
2. Cov Tshuab Sib Tsoo Uas Muaj Kev Ntsuas Zoo Thiab Cov Tshuab Ntsuas Sib Koom Tes (CMM)
Cov ntaub ntawv thov:
Lub hauv paus ntawm lub tshuab ntsuas peb-coordinate siv cov qauv granite sib xyaw, nrog qhov tiaj tiaj ntawm ± 0.5μm / m. Ua ke nrog cov lus qhia cua-floating, nws ua tiav qhov tseeb ntawm nano-level txav mus los (rov ua qhov tseeb ± 0.1μm).
Lub rooj ua haujlwm ntawm lub tshuab sib tsoo kho qhov muag siv cov qauv sib xyaw ua ke ntawm granite thiab hlau nyiaj. Thaum sib tsoo iav K9, qhov nthwv dej ntawm qhov chaw tsawg dua λ / 20 (λ = 632.8nm), ua tau raws li qhov yuav tsum tau ua tiav ntawm cov iav laser.
II. Kev Tshawb Fawb Txog Optics thiab Photonics
Cov tsom iav hnub qub thiab cov tshuab laser
Cov ntawv thov ib txwm muaj:
Lub platform txhawb nqa ntawm qhov chaw cuam tshuam ntawm lub xov tooj cua loj siv cov qauv granite honeycomb, uas yog lub teeb hauv qhov hnyav (qhov ceev 2.7g / cm³) thiab muaj zog cua tsis kam (deformation <50μm nyob rau hauv 10-theem cua).
Lub platform optical ntawm lub laser interferometer siv cov micro-porous granite. Lub reflector yog kho los ntawm lub tshuab nqus tsev adsorption, nrog rau qhov yuam kev flatness tsawg dua 5nm, kom ntseeg tau tias muaj kev ruaj khov ntawm kev sim ultra-precision optical xws li gravitational wave detection.
2. Kev ua cov khoom siv kho qhov muag precision
Kev zoo ntawm kev siv tshuab:
Qhov permeability magnetic thiab hluav taws xob conductivity ntawm lub granite platform yog ze rau xoom, zam kev cuam tshuam ntawm electromagnetic cuam tshuam rau cov txheej txheem precision xws li ion beam polishing (IBF) thiab magnetorheological polishing (MRF). Qhov tseeb ntawm qhov chaw PV tus nqi ntawm cov txheej txheem asphical lens tuaj yeem ncav cuag λ / 100.
III. Kev Tshuaj Xyuas Dav Hlau thiab Kev Ntsuas Qhov Tseeb
Lub platform tshuaj xyuas cov khoom siv dav hlau
Cov xwm txheej siv: Kev tshuaj xyuas peb sab ntawm cov hniav dav hlau, kev ntsuas qhov zoo li cas thiab qhov chaw ntawm cov khoom siv hlau ua los ntawm txhuas hauv kev tsav dav hlau.
Kev ua tau zoo tseem ceeb:
Qhov saum npoo ntawm lub platform granite yog kho los ntawm electrolytic corrosion los tsim cov qauv zoo (nrog qhov roughness ntawm Ra 0.4-0.8μm), tsim nyog rau cov probes trigger siab, thiab qhov yuam kev ntawm kev ntes cov hniav profile yog tsawg dua 5μm.
Nws tuaj yeem tiv taus qhov hnyav ntau dua 200kg ntawm cov khoom siv dav hlau, thiab qhov hloov pauv ntawm qhov tiaj tus tom qab siv ntev yog tsawg dua 2μm / m, ua tau raws li qhov yuav tsum tau ua kom raug ntawm Qib 10 hauv kev lag luam aerospace.
2. Kev kho qhov ntsuas ntawm cov khoom siv inertial navigation
Cov kev cai lij choj: Kev ntsuas qhov zoo li qub ntawm cov khoom siv inertial xws li gyroscopes thiab accelerometers xav tau lub platform siv tau ruaj khov heev.
Kev daws teeb meem: Lub platform granite yog ua ke nrog lub kaw lus cais kev co (ntuj zaus < 1Hz), ua tiav qhov kev ntsuas siab ntawm qhov ruaj khov xoom-offset ntawm cov khoom inertial < 0.01 ° / h hauv ib puag ncig nrog kev co acceleration < 1 × 10⁻⁴g.
Iv. Nanotechnology thiab Biomedicine
Lub tshuab ntsuas lub tshuab tsom iav (SPM) platform
Lub luag haujlwm tseem ceeb: Raws li lub hauv paus rau atomic force microscopy (AFM) thiab scanning tunneling microscopy (STM), nws yuav tsum tau cais tawm ntawm kev co ib puag ncig thiab thermal drift.
Cov ntsuas kev ua tau zoo:
Lub platform granite, ua ke nrog cov ceg pneumatic vibration isolation, tuaj yeem txo qhov kev sib kis ntawm cov kev co sab nraud (1-100Hz) kom tsawg dua 5%, ua tiav atomic-level imaging ntawm AFM hauv qhov chaw ib puag ncig (kev daws teeb meem < 0.1nm).
Qhov kub rhiab heev yog tsawg dua 0.05μm / ℃, uas ua tau raws li qhov yuav tsum tau ua rau kev soj ntsuam nanoscale ntawm cov qauv tshuaj lom neeg hauv qhov kub tas li (37 ℃ ± 0.1 ℃) ib puag ncig.
2. Cov khoom siv ntim khoom Biochip
Cov ntaub ntawv siv: Lub platform sib dhos ua ke uas muaj qhov tseeb siab rau cov DNA sequencing chips siv cov granite air-floating guide rails, nrog rau qhov tseeb ntawm ±0.5μm, ua kom ntseeg tau tias qhov sib txuas ntawm sub-micron ntawm microfluidic channel thiab lub electrode nrhiav tau.
V. Cov Xwm Txheej Tshiab ntawm Daim Ntawv Thov
Cov khoom siv suav lej quantum
Cov teeb meem kev siv tshuab: Kev tswj hwm Qubit xav tau qhov kub thiab txias qis heev (mK theem) thiab ib puag ncig kho tshuab ruaj khov heev.
Kev daws teeb meem: Qhov khoom siv thermal nthuav dav qis heev ntawm granite (qhov nrawm nthuav dav <1ppm los ntawm -200 ℃ mus rau chav tsev kub) tuaj yeem phim cov yam ntxwv ntawm kev sib cog lus ntawm cov hlau nplaum superconducting kub qis heev, ua kom ntseeg tau tias qhov tseeb sib phim thaum lub sijhawm ntim khoom ntawm cov chips quantum.
2. Lub tshuab electron beam lithography (EBL)
Kev ua tau zoo tseem ceeb: Cov khoom siv rwb thaiv tsev ntawm lub platform granite (resistivity > 10¹³Ω · m) tiv thaiv kev tawg ntawm lub teeb hluav taws xob. Ua ke nrog lub tshuab tsav electrostatic spindle, nws ua tiav cov qauv lithography siab-precision nrog lub nanoscale kab dav (< 10nm).
Kev Txheeb Xyuas
Daim ntawv thov ntawm granite precision platforms tau nthuav dav los ntawm cov tshuab precision ib txwm mus rau cov teb tshiab xws li nanotechnology, quantum physics, thiab biomedicine. Nws qhov kev sib tw tseem ceeb yog nyob rau hauv kev sib txuas tob ntawm cov khoom siv thiab cov kev xav tau engineering. Yav tom ntej, nrog kev koom ua ke ntawm cov thev naus laus zis composite reinforcement (xws li graphene-granite nanocomposites) thiab cov thev naus laus zis ntse, granite platforms yuav tawg los ntawm kev coj ntawm atomic-level accuracy, full-temperature range stability, thiab multi-functional kev koom ua ke, ua cov khoom tseem ceeb txhawb nqa tiam tom ntej ntawm ultra-precision manufacturing.
Lub sijhawm tshaj tawm: Tsib Hlis-28-2025