In recent years, various micro machining processes have been developed to meet the demands for micro machines. It is well known that small sensors or micro parts are produced by a silicon fabrication process. However, it is necessary to use metals, ceramics and semiconductors for making 3-dimensional structures. In this study, the authors developed a method to form micro structures by a metal jet. A thin layer is first formed by molten metal jet ejected through a nozzle and a second layer is formed on the first layer. The repetition of this process produces the 3-dimensional structures. In this paper, the basic performance of the metal jet head is examined, and some examples of 3-dimensional structure made of fusible alloy are shown. The technique to reduce a size of metal drops is also described. Further, the applications for generating 3-dimensional electromagnetic structure and functional gradient material are shown.
CITATION STYLE
Yamaguchi, K., Sakai, K., Hirayama, T., & Yamanaka, T. (1998). Generation of three-dimensional structure using metal jet. Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering, 64(10), 1497–1501. https://doi.org/10.2493/jjspe.64.1497
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