{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,15]],"date-time":"2026-09-15T01:25:34Z","timestamp":1789435534538,"version":"build-2803163510"},"reference-count":53,"publisher":"Wiley","issue":"47","license":[{"start":{"date-parts":[[2024,8,25]],"date-time":"2024-08-25T00:00:00Z","timestamp":1724544000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2024,8,25]],"date-time":"2024-08-25T00:00:00Z","timestamp":1724544000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Small"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The ability to manufacture 3D metallic architectures with microscale resolution is greatly pursued because of their diverse applications in microelectromechanical systems (MEMS) including microelectronics, mechanical metamaterials, and biomedical devices. However, the well\u2010developed photolithography and emerging metal additive manufacturing technologies have limited abilities in manufacturing micro\u2010scaled metallic structures with freeform 3D geometries. Here, for the first time, the high\u2010fidelity fabrication of arbitrary metallic motifs with sub\u201010\u00a0\u00b5m resolution is achieved by employing an embedded\u2010writing embedded\u2010sintering (EWES) process. A paraffin wax\u2010based supporting matrix with high thermal stability is developed, which permits the printed silver nanoparticle ink to be pre\u2010sintered at 175\u00a0\u00b0C to form metallic green bodies. Via carefully regulating the matrix components, the printing resolution is tuned down to \u22487\u00a0\u00b5m. The green bodies are then embedded in a supporting salt bath and further sintered to realize freeform 3D silver motifs with great structure fidelity. 3D printing of various micro\u2010scaled silver architectures is demonstrated such as micro\u2010spring arrays, BCC lattices, horn antenna, and rotatable windmills. This method can be extended to the high\u2010fidelity 3D printing of other metals and metal oxides which require high\u2010temperature sintering, providing the pathways toward the design and fabrication of 3D MEMS with complex geometries and functions.<\/jats:p>","DOI":"10.1002\/smll.202406518","type":"journal-article","created":{"date-parts":[[2024,8,26]],"date-time":"2024-08-26T02:26:11Z","timestamp":1724639171000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["3D Printing of Metals with sub\u201010\u00a0\u00b5m Resolution"],"prefix":"10.1002","volume":"20","author":[{"given":"Jizhe","family":"Wang","sequence":"first","affiliation":[{"name":"School of Materials Science and Engineering Zhejiang University  Hangzhou Zhejiang 310027 P. R. 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qilin","family":"Qian","sequence":"additional","affiliation":[{"name":"School of Electronics and Information Hangzhou Dianzi University  Hangzhou Zhejiang 310018 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenhua","family":"Wang","sequence":"additional","affiliation":[{"name":"Key Laboratory of 3D Micro\/Nano Fabrication and Characterization of Zhejiang Province Research Center for Industries of the Future and School of Engineering Westlake University  Hangzhou Zhejiang 310024 P. R. China"},{"name":"Institute of Advanced Technology Westlake Institute for Advanced Study  Hangzhou Zhejiang 310024 P. R. 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