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- Title
用于可穿戴手环的液态金属3D 打印天线.
- Authors
董 健; 刘志福; 王 蒙
- Abstract
The combination of additive manufacturing (3D printing) and liquid metal filling techniques enables the rapid prototyping of antenna structures with flexible topologies and novel functionalities for various application scenarios. A 3D printed liquid metal antenna for wrist-worn application was proposed in this article. This antenna could work at three bands- 2. 4 GHz, 3. 3 GHz and 5. 5 GHz. Such antenna was manufactured by 3D printing the substrate with hollow channels conformal to the human wrist, and then the channels were filled with liquid metal as the antenna radiating conductor. The effect of the thickness of the 3D printed wristband on the antenna radiation efficiency was analyzed through full wave EM simulations. The mutual interactions between antenna radiation and human tissues were also investigated. This fabrication method conceptually verifies that 3D printing and liquid metal filling techniques are suitable for applications of wearable and conformal electronics due to its rapid fabrication process. More flexible antenna structures with novel functionalities for practical scenarios can be manufactured using such combined techniques, particularly in the area of wearable and conformal electronics.
- Publication
Electronic Components & Materials, 2021, Vol 40, Issue 3, p262
- ISSN
1001-2028
- Publication type
Article
- DOI
10.14106/j.cnki.1001-2028.2021.1880