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To address this limitation, an untethered levitation device with dimensions 95\u2009\u00d7\u200972\u2009\u00d7\u200945\u2009mm\n                    <jats:sup>3<\/jats:sup>\n                    and a weight of 106\u2009g is developed, using a piezoelectric actuator to generate a squeeze film. Lightweight driving electronics, including a function generator, amplifier, and battery, with a combined weight of 77\u2009g, are developed to eliminate wires and achieve ultra\u2010high speed. A body speed of 15\u2009s\n                    <jats:sup>\u22121<\/jats:sup>\n                    is achieved, which is significantly higher than that of conventional carriers, ensuring both flexibility and efficiency. Based on experimental evaluation, the device maintains frictionless movement on flat surfaces made of various materials, including those commonly found on desks and whiteboards. On a whiteboard, it moves horizontally at speeds over 1.4\u2009ms\n                    <jats:sup>\u22121<\/jats:sup>\n                    and maintained frictionless sliding at over 3.0\u2009ms\n                    <jats:sup>\u22121<\/jats:sup>\n                    on an inclined surface. With a payload capacity exceeding 0.4 times its weight, the device is suitable for ultrafast surface transport. Transporting a dish filled with tiny parts demonstrates its feasibility for electronics, machinery assembly, and biomedical and chemical applications.\n                  <\/jats:p>","DOI":"10.1002\/aisy.202401098","type":"journal-article","created":{"date-parts":[[2025,7,10]],"date-time":"2025-07-10T13:19:56Z","timestamp":1752153596000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Ultrafast Untethered Levitation Device Utilized Squeeze Film for Omni\u2010Directional Transport"],"prefix":"10.1002","volume":"7","author":[{"given":"Yuta","family":"Sunohara","sequence":"first","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Soushi","family":"Ueno","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Rintaro","family":"Minegishi","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Chihiro","family":"Sekine","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Yuta","family":"Kitamura","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Yuna","family":"Sugiyama","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"given":"Satoshi","family":"Ando","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0573-0195","authenticated-orcid":false,"given":"Akihiro","family":"Torii","sequence":"additional","affiliation":[{"name":"Aichi Institute of Technology  1247 Yachigusa, Yakusa\u2010cho Toyota Aichi 470-0392 Japan"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2357-2899","authenticated-orcid":false,"given":"Ohmi","family":"Fuchiwaki","sequence":"additional","affiliation":[{"name":"Department of Mechanical Engineering Yokohama National University  79\u20101 Tokiwadai, Hodogaya\u2010ku Yokohama Kanagawa 240-8501 Japan"}]}],"member":"311","published-online":{"date-parts":[[2025,7,10]]},"reference":[{"key":"e_1_2_9_2_1","unstructured":"Yamaha Motor Co Linear Conveyor Module LCMR200 Feature https:\/\/global.yamaha\u2010motor.com\/business\/robot\/lineup\/lcm\/lcmr200\/ (accessed: November 2024)."},{"key":"e_1_2_9_3_1","doi-asserted-by":"crossref","unstructured":"A.Ashrafian O.\u2010G.Pettersen K. 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