{"691241":{"#nid":"691241","#data":{"type":"news","title":"Researchers Advance Nanoscale 3D Printing With Faster, Higher Fidelity Method ","body":[{"value":"\u003Cp\u003EResearchers at the \u003Ca href=\u0022https:\/\/me.gatech.edu\/\u0022\u003E\u003Cstrong\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C\/strong\u003E\u003C\/a\u003E have developed a new approach to nanoscale 3D printing that improves both speed and fidelity, overcoming a challenge that has limited the technology\u0027s broader use in manufacturing.\u003C\/p\u003E\u003Cp\u003ETheir work, led by \u003Ca href=\u0022https:\/\/me.gatech.edu\/faculty\/saha\u0022\u003E\u003Cstrong\u003ESourabh Saha\u003C\/strong\u003E\u003C\/a\u003E, associate professor and Woodruff Faculty Fellow, and Harnjoo Kim, who conducted the research during his doctoral studies and later as a postdoctoral fellow in Saha\u0027s lab, was recently published in the journal \u003Ca href=\u0022https:\/\/www.nature.com\/articles\/s41467-026-73782-x\u0022\u003E\u003Cem\u003E\u003Cstrong\u003ENature Communications\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E\u003Cp\u003ENanoscale 3D printing allows researchers to create structures thousands of times smaller than the width of a human hair. These structures have potential applications in fields ranging from advanced computing and optics to biomedical devices and clean energy technologies. However, increasing printing speed often comes at the expense of quality.\u003C\/p\u003E\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.me.gatech.edu\/news\/researchers-advance-nanoscale-3d-printing-faster-higher-fidelity-method\u0022\u003ERead the full story on the George W. Woodruff School of Mechanical Engineering website\u0026nbsp;\u003C\/a\u003E\u003C\/p\u003E","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EResearchers at the \u003Ca href=\u0022https:\/\/me.gatech.edu\/\u0022\u003E\u003Cstrong\u003EGeorge W. Woodruff School of Mechanical Engineering\u003C\/strong\u003E\u003C\/a\u003E have developed a new approach to nanoscale 3D printing that improves both speed and fidelity, overcoming a challenge that has limited the technology\u0027s broader use in manufacturing.\u003C\/p\u003E\u003Cp\u003ETheir work, led by \u003Ca href=\u0022https:\/\/me.gatech.edu\/faculty\/saha\u0022\u003E\u003Cstrong\u003ESourabh Saha\u003C\/strong\u003E\u003C\/a\u003E, associate professor and Woodruff Faculty Fellow, and Harnjoo Kim, who conducted the research during his doctoral studies and later as a postdoctoral fellow in Saha\u0027s lab, was recently published in the journal \u003Ca href=\u0022https:\/\/www.nature.com\/articles\/s41467-026-73782-x\u0022\u003E\u003Cem\u003E\u003Cstrong\u003ENature Communications\u003C\/strong\u003E\u003C\/em\u003E\u003C\/a\u003E.\u003C\/p\u003E\u003Cp\u003ENanoscale 3D printing allows researchers to create structures thousands of times smaller than the width of a human hair. These structures have potential applications in fields ranging from advanced computing and optics to biomedical devices and clean energy technologies. However, increasing printing speed often comes at the expense of quality.\u003C\/p\u003E","format":"limited_html"}],"field_summary_sentence":[{"value":"A Georgia Tech research team has developed a nanoscale 3D printing technique that overcomes the traditional tradeoff between speed and accuracy, enabling faster fabrication with higher fidelity."}],"uid":"36881","created_gmt":"2026-07-24 17:46:32","changed_gmt":"2026-07-24 17:56:59","author":"ttroha3","boilerplate_text":"","field_publication":"","field_article_url":"","location":"Atlanta, GA","dateline":{"date":"2026-07-24T00:00:00-04:00","iso_date":"2026-07-24T00:00:00-04:00","tz":"America\/New_York"},"extras":[],"hg_media":{"680671":{"id":"680671","type":"image","title":"fig1.jpg","body":null,"created":"1784915737","gmt_created":"2026-07-24 17:55:37","changed":"1784915737","gmt_changed":"2026-07-24 17:55:37","alt":"Diagram illustrating a nanoscale 3D printing process using a femtosecond near-infrared laser, mirrors, lenses, and a digital micromirror device to project patterned light into a photoresist on a glass slide.","file":{"fid":"264962","name":"fig1.jpg","image_path":"\/sites\/default\/files\/2026\/07\/24\/fig1.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2026\/07\/24\/fig1.jpg","mime":"image\/jpeg","size":326251,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2026\/07\/24\/fig1.jpg?itok=K0nzR-sv"}},"680670":{"id":"680670","type":"image","title":"fig5_no_letters.jpg","body":"\u003Cp\u003EComparison of nanoscale 3D-printed structures produced without grayscale patterning (top row) and with grayscale projection two-photon lithography (GP-TPL) (bottom row). The top row shows scanning electron microscope images with defects such as bulging struts, uneven surfaces, collapsed internal features, and distorted curved structures, highlighted by red arrows. The bottom row shows the same structures fabricated with GP-TPL, exhibiting smoother surfaces, more uniform lattice geometry, well-defined curved features, and significantly thinner, higher-fidelity bridges as narrow as 53 nanometers. Insets provide magnified views of the improved lattice quality. Scale bars range from 50 micrometers to 53 nanometers.\u003C\/p\u003E","created":"1784915214","gmt_created":"2026-07-24 17:46:54","changed":"1784915214","gmt_changed":"2026-07-24 17:46:54","alt":"Diagram illustrating a nanoscale 3D printing process using a femtosecond near-infrared laser, mirrors, lenses, and a digital micromirror device (DMD) to project patterned light into a photoresist on a glass slide.","file":{"fid":"264961","name":"fig5_no_letters.jpg","image_path":"\/sites\/default\/files\/2026\/07\/24\/fig5_no_letters.jpg","image_full_path":"http:\/\/hg.gatech.edu\/\/sites\/default\/files\/2026\/07\/24\/fig5_no_letters.jpg","mime":"image\/jpeg","size":455545,"path_740":"http:\/\/hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/2026\/07\/24\/fig5_no_letters.jpg?itok=Q7k0R419"}}},"media_ids":["680671","680670"],"groups":[{"id":"1188","name":"Research Horizons"},{"id":"108731","name":"School of Mechanical Engineering"}],"categories":[{"id":"135","name":"Research"}],"keywords":[{"id":"187915","name":"go-researchnews"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003ETracie Troha\u003C\/p\u003E\u003Cp\u003EGeorge W. Woodruff School of Mechanical Engineering\u0026nbsp;\u003C\/p\u003E","format":"limited_html"}],"email":["ttroha3@gatech.edu"],"slides":[],"orientation":[],"userdata":""}}}