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皮肤上首次直接打印出3D电子元件
2018-04-27 16:30   审核人:

    据物理学家组织网25日报道,在一项开创性的新研究中,美国研究人员使用定制的低成本3D打印机,首次在手上打印出电子产品。借助新技术,战场上的士兵能在身体上打印出临时传感器以检测化学或生物制剂,或打印太阳能电池以给电子设备充电,而且只需镊子就可将其剥离,也可用水冲洗掉。

    研究报告发表于26日出版的《先进材料》杂志。论文主要作者之一、机械工程学副教授本杰明·马修吉说:“我们对这种新型3D打印技术的潜力非常期待。新技术使用价格低于400美元的便携式打印机。想象一下,士兵可以将这台打印机从背包拿出来,直接在皮肤上打印出需要的化学传感器或其他电子产品。”

    新型3D打印技术的关键创新之一是,打印机可以适应打印过程中身体的微小移动。将临时标记放置在皮肤上并扫描皮肤,打印机可使用计算机视觉来进行实时调整。研究主要作者迈克尔·麦卡尔平解释说:“在皮肤上使用打印机时,人很难保持静止。 新打印机可使用标记跟踪手,并实时调整以适应手的运动和轮廓,因而不会改变电路的形状。”

    新3D打印技术的另一个独特之处在于,它使用由银片制成的专用墨水,其不同于需在100摄氏度高温下固化的3D打印油墨,室温下就能固化和导电。

    除打印电子产品外,新3D打印技术也可在其他领域大显身手,包括打印细胞救助皮肤病患者。麦卡尔平团队与世界一流的皮肤病专家合作,成功地将生物细胞印制在实验小鼠的皮肤伤口上,该技术有可能带来愈合伤口的新疗法,或者直接打印移植物来治疗皮肤病。

来源:科技日报

 

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