{"id":3057,"date":"2026-07-06T11:43:56","date_gmt":"2026-07-06T03:43:56","guid":{"rendered":"https:\/\/jtlcnc.com\/?p=3057"},"modified":"2026-07-06T16:15:12","modified_gmt":"2026-07-06T08:15:12","slug":"industrial-applications-of-granite-air-bearing-platforms-in-ultra-precision-motion-systems","status":"publish","type":"post","link":"https:\/\/jtlcnc.com\/fr\/2026\/07\/06\/industrial-applications-of-granite-air-bearing-platforms-in-ultra-precision-motion-systems\/","title":{"rendered":"Applications industrielles des plateformes \u00e0 paliers \u00e0 air en granit dans les syst\u00e8mes de mouvement d'ultra-pr\u00e9cision"},"content":{"rendered":"

Ultra-precision motion system: A comprehensive analysis of industrial applications of granite air-bearing platforms
ite air-bearing platform = natural granite high-stability base hydrostatic air bearing air-bearing guide linear motor direct-drive multi-axis motion system. It is the core carrier for current industrial nano-level positioning, frictionless high-speed scanning, and long-term high-stability operating conditions. It fundamentally solves the four major precision motion pain points: thermal drift vibration, backlash error, and stick-slip effect. It is widely implemented in six high-end industrial sectors: semiconductor, optoelectronics, precision measurement, laser micromachining flat panel display, and aerospace, with Belkin vibration isolation\u2026<\/p>\n\n\n\n

Large-scale granite air-bearing gantry platform<\/p>\n\n\n\n

Multi-axis granite air-bearing module<\/p>\n\n\n\n

XY nanolevel air-bearing platform
I. Core Composite Advantages (Unique value of granite air-bearing coupling)<\/p>\n\n\n\n

    \n
  1. Basic characteristics of the granite base
    Low thermal expansion coefficient:0.5~1.0\u00d710\u207b\u2076\/\u2103, only 1\/10 of steel; displacement drift in a \u00b10.1\u2103 constant temperature workshop <01nm, suitable for lithography and interferometry nano-level requirements zh.zhhimg\u2026.;
    High damping vibration reduction: natural micropore damping ratio 0.0~0.1, absorbing over 90% of external ground vibration, no resonance during high-speed motion;
    High rigidity, no internal stress, wear-resistant and-proof; the surface can be treated with anti-static and dust-free polishing, suitable for Class 100 \/ Class 1000 cleanrooms;
    ness can reach 0.3~0.5\u03bcm\/m, overall integrated casting, no deformation over long-term use.<\/li>\n\n\n\n
  2. Motion advantages of air- guides
    Air film suspension (air film thickness 5~8\u03bcm), zero contact, zero friction, no wear, completely eliminating mechanical guide stick-slip and backlash;
    motor direct drive grating closed loop: resolution 1nm, repeatability \u00b150~100nm, straightness \u22640.5\u03bcm\/m, speed fluctuation <.01%;
    High dynamic response: no-load acceleration can reach 3G, extremely strong synchronicity for high-speed scanning and reciprocating positioning;
    Silent and long life, 24h continuous operation without loss, extremely low maintenance costs Beijing Mufengke\u2026<\/li>\n\n\n\n
  3. Irreplaceable industrial value after combination
    Simultaneously solving structural (granite) extreme motion precision (air-bearing), it is a high-end solution that metal mechanical guides, ceramic slide tables, and ordinary aluminum air-bearing platforms achieve.<\/li>\n<\/ol>\n\n\n\n

    II. Industrial Applications by Field (Mainstream Operating Conditions Process Value)
    (I) Semiconductor Manufacturing (Largest Application Market, Essential Nanometer Precision)<\/p>\n\n\n\n

      \n
    1. Lithography Equipment Worktable (EUV\/DUV Stepper\/Scanner)
      Application: XYR three-axis granite air-bearing gantry for wafer carrying, enabling step-and-scan exposure;
      Process Requirements: Full-process positioning error for 12-inch wafers <0.2nm, microsecond-level scan synchronization;
      Value: Granite suppresses temperature drift, air bearing ensures friction-free linear scanning, directly determining chip line width process; core standard base motion system for ASML and domestic lithography equipment.<\/li>\n\n\n\n
    2. Wafer Inspection \/ Defect Scanning (Bright-field \/ Dark-field AOI, Electron Beam Inspection)
      Equipment: Wafer appearance inspection machines, thin film thickness measurement machines, particle defect scanning stages;
      Operating Conditions: High-speed large-area scanning, micron-level pixel imaging, where tiny vibrations cause image ghosting;
      Platform Configuration: Large-stroke dual-axis granite air-bearing platform, vacuum wafer suction, clean anti-static polished granite surface;
      Benefits: Defect identification yield improvement >8%, continuous 30-day air film thickness fluctuation <0.5\u03bcm.<\/li>\n\n\n\n
    3. Chip Packaging Die Bonding, Precision Dispensing, Dicing and Cutting
      Die Bonding \/ Flip Chip: \u00b10.1\u03bcm die alignment, high-frequency reciprocating motion without offset;
      Wafer Dicing Machine: Granite damping suppresses cutting spindle vibration, wafer edge roughness Ra <1\u03bcm;
      Dispensing: Stable micro-glue path trajectory, eliminating glue breakage and overflow defects.<\/li>\n\n\n\n
    4. Precision Stages for Etching and Thin Film Deposition
      Small granite air-bearing modules inside vacuum chambers, low outgassing materials adapted to vacuum environments, ensuring multi-layer film alignment precision.
      (II) Precision Optics and Optoelectronics Industry<\/li>\n\n\n\n
    5. Freeform \/ Super-smooth Optical Component Machining and Inspection
      Machining: Single-point diamond turning lathes, aspherical grinding machines with granite air-bearing worktables;
      Inspection: Laser interferometers, optical profilometers, wavefront detection scanning stages;
      Indicator Assurance: Optical surface figure accuracy better than \u03bb\/20 (632.8nm laser), no ripple error caused by vibration;
      Downstream: Automotive lenses, lithography projection objectives, astronomical reflectors, infrared optical components.<\/li>\n\n\n\n
    6. Laser Direct Writing, Holographic Lithography, Mask Making
      Large-size gantry granite air-bearing platforms, long-stroke constant speed scanning, used for mask pattern direct writing, micron \/ sub-micron line width.<\/li>\n\n\n\n
    7. MEMS, Silicon Photonics Chip, Photonic Integrated Device Testing
      Micro-optical path alignment, coupling and packaging, multi-axis air-bearing platforms achieve nanometer-level optical path alignment, improving coupling efficiency.
      (III) Precision Metrology and Inspection (CMM and Dimensional Calibration)<\/li>\n\n\n\n
    8. High-end Bridge-type Gantry Coordinate Measuring Machine (CMM)
      Integrated granite base three-axis air-bearing guide rails, standard configuration for Hexagon and Zeiss ultra-high precision models;
      Accuracy: Spatial measurement accuracy \u00b10.3\u03bcm\/m, repeatability \u00b10.1\u03bcm;
      Applications: Full-size inspection of aerospace turbine blades, semiconductor molds, precision gears, and medical device parts.
      Ultra-long Stroke Granite Air-bearing Platform (Aerospace \/ Large Screen Inspection)<\/li>\n\n\n\n
    9. Laser Interferometer, Grating Scale, Displacement Sensor Calibration Stage
      Standard metrology laboratory traceability equipment, granite isolates environmental interference, air bearing achieves constant speed standard displacement output.
      (IV) Micro-nano Laser Processing Industry<\/li>\n\n\n\n
    10. Ultrafast laser precision micro-cutting \/ drilling<\/li>\n\n\n\n
    11. Micro-holes for mobile phone cameras, blind holes in PCBs, micro-machining of ceramic substrates and quartz glass; high-speed jitter-free motion, micro-hole roundness error < 0.5\u03bcm.<\/li>\n\n\n\n
    12. Laser scribing for photovoltaic panels and perovskite thin films<\/li>\n\n\n\n
    13. Ultra-long stroke 10~15m granite air-bearing gantry, uniform scanning of the entire panel, uniform scribing without broken lines, suitable for continuous production on large-scale PV production lines.<\/li>\n\n\n\n
    14. FPD Flat Panel Display Inspection and Repair<\/li>\n\n\n\n
    15. OLED\/LCD panel Mura defect inspection, pixel laser repair; large-table granite air-bearing XY platform, full-screen high-speed scanning imaging, eliminating image jitter pseudo-defects.<\/li>\n\n\n\n
    16. (V) Aerospace High-end Manufacturing and Testing<\/li>\n\n\n\n
    17. High-precision inspection of large composite components and aero-engine blades (ultra-long stroke gantry air-bearing platform);<\/li>\n\n\n\n
    18. Assembly and testing benches for satellite optical payloads and aerospace cameras;<\/li>\n\n\n\n
    19. Frictionless motion simulators for space mechanisms, simulating low-friction space working conditions;<\/li>\n\n\n\n
    20. Granite large-mass bases isolate factory vibrations, ensuring micron-level assembly precision for aerospace components.<\/li>\n\n\n\n
    21. (VI) Medical Precision Equipment<\/li>\n\n\n\n
    22. Micro-surgical instrument machining, microfluidic spotting platforms for biochips;<\/li>\n\n\n\n
    23. CT \/ optical medical imaging calibration scanning tables;<\/li>\n\n\n\n
    24. Low vibration, no metal debris contamination, suitable for biological and medical cleanroom environments.<\/li>\n<\/ol>\n\n\n\n

      III. Mainstream Industrial Platform Configurations and Application Scenarios
      XY Single\/Double-Layer Cross Platform (Small stroke within 300\u00d7300mm)
      Applications: Wafer inspection, optical coupling, die bonding and packaging, laboratory interferometry;
      Gantry Dual-Drive Granite Air Bearing Platform (Large stroke from 500mm to several meters)
      Applications: Lithography wafer stages, large-screen AOI, photovoltaic laser scribing, large CMM;
      XYZ Three-Axis R Rotation Composite Air Bearing System
      Applications: Optical freeform surface machining, multi-dimensional chip alignment, 3D profile scanning;
      Ultra-Long Modular Granite Air Bearing Guide Rail (10m )
      Applications: Aerospace large component inspection, large panel full-line inspection production lines.
      IV. Industrial Environment Supporting Requirements (Critical for Mass Production Lines)
      Air Source: Clean and dry compressed air, filtration precision 0.01\u03bcm, dew point \u2264-40\u2103, equipped with pressure fault alarms;
      Workshop: Constant temperature \u00b10.1\u2103, Class 100\/1000 cleanroom, floor equipped with passive air bearing vibration isolation bases;
      Material Treatment: Granite for semiconductor applications is anti-static and acid-resistant polished; natural black granite with low outgassing is selected for vacuum conditions;
      Standard Drive Configuration: Linear motors ultra-high precision grating scales (0.1nm\/1nm scale), multi-axis synchronous motion controllers.
      V. Industry Application Development Trends
      Large-Scale Integration: 12-inch wafers, 8th\/10th generation display panels drive the popularization of meter-level ultra-long granite air bearing gantries;
      Composite Multi-Axis Integration: XYZR multi-degree-of-freedom integrated air bearing platforms replace split modules, reducing equipment volume;
      Accelerated Domestic Substitution: Lithography, wafer inspection, and high-end CMM fields gradually replace imported PI and Newport air bearing systems;
      Vacuum-Specific Air Bearing Granite Platforms: Adapted for EUV and electron beam vacuum processes, expanding applications in vacuum semiconductor production lines;
      Intelligent Monitoring: Integrated real-time sensors for air pressure, temperature, and vibration, enabling predictive maintenance for production lines.
      VI. Summary of Industrial Trade-offs Compared to Traditional Solutions
      Tableau
      Motion Platform Solution Precision Ceiling Vibration Suppression Continuous Operation Stability Typical Application Industries
      Granite Air Bearing Direct Drive Nanometer-level (50nm) Extremely strong 24h zero drift Semiconductors, high-end optics, metrology
      Aluminum Air Bearing Platform Sub-micron Average, large thermal drift Easily deformed with large temperature differences General laser processing, low-end inspection
      Steel Mechanical Linear Guide Rail Micrometer-level (1~5\u03bcm) Poor, frictional vibration Long-term wear and clearance General automation, rough machining
      Ceramic Slider Mechanical Guide Rail Sub-micron Moderate, weak damping Significant high-speed resonance Small-scale laboratory equipment<\/p>\n\n\n\n

      \"\"<\/figure>","protected":false},"excerpt":{"rendered":"

      Syst\u00e8me de mouvement ultrapr\u00e9cis : analyse approfondie des applications industrielles de la plate-forme \u00e0 coussin d'air en granit = base en granit naturel \u00e0 haute stabilit\u00e9, coussin d'air hydrostatique, guidage \u00e0 coussin d'air, moteur lin\u00e9aire, syst\u00e8me de mouvement multiaxial \u00e0 entra\u00eenement direct. Il s'agit du support central pour le positionnement industriel actuel \u00e0 l'\u00e9chelle nanom\u00e9trique, le balayage \u00e0 grande vitesse sans frottement et les conditions de fonctionnement \u00e0 haute stabilit\u00e9 sur le long terme. Il r\u00e9sout fondamentalement les quatre principaux\u2026<\/p>","protected":false},"author":1,"featured_media":3058,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[35],"tags":[],"class_list":["post-3057","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"taxonomy_info":{"category":[{"value":35,"label":"NEWS"}]},"featured_image_src_large":["https:\/\/jtlcnc.com\/wp-content\/uploads\/2026\/07\/111-1024x777.png",1024,777,true],"author_info":{"display_name":"jinxing6611@gmail.com","author_link":"https:\/\/jtlcnc.com\/fr\/author\/jtlcnc\/"},"comment_info":0,"category_info":[{"term_id":35,"name":"NEWS","slug":"news","term_group":0,"term_taxonomy_id":35,"taxonomy":"category","description":"","parent":0,"count":362,"filter":"raw","cat_ID":35,"category_count":362,"category_description":"","cat_name":"NEWS","category_nicename":"news","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/posts\/3057","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/comments?post=3057"}],"version-history":[{"count":1,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/posts\/3057\/revisions"}],"predecessor-version":[{"id":3059,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/posts\/3057\/revisions\/3059"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/media\/3058"}],"wp:attachment":[{"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/media?parent=3057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/categories?post=3057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jtlcnc.com\/fr\/wp-json\/wp\/v2\/tags?post=3057"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}