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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

352
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
352

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相关实验视频

Updated: Jul 21, 2025

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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在可伸缩电子产品上通过可通用的软介层设计实现组织级软度.

Yang Li1, Nan Li1, Wei Liu1

  • 1Pritzker School of Molecular Engineering, The University of Chicago, Chicago, IL, 60637, USA.

Nature communications
|July 26, 2023
PubMed
概括
此摘要是机器生成的。

研究人员开发了一种柔软的中间层,使现有的可拉伸电子产品变得超软,并且高度符合生物组织. 这一创新使得先进的生物电子设备能够提高医疗应用的性能和生物相容性.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 生物医学工程 生物医学工程
  • 电子 电子 电子 电子 电子 电子 电子

背景情况:

  • 柔软和可拉伸的电子产品为生物医学应用提供了巨大的潜力,因为它们能够与生物系统接口.
  • 当前的可伸缩电子产品往往具有高的Young模块,限制了它们与软生物组织的符合性和生物相容性.

研究的目的:

  • 提出一种新的软介层设计策略,用于创建具有超低组织水平模块化的可拉伸电子设备.
  • 克服现有材料的局限性,提高生物电子设备的符合性和生物相容性.

主要方法:

  • 开发一种柔软的中间层,以与现有的可拉伸材料集成.
  • 使用软层间设计制造可拉伸晶体管阵列和活性矩阵电路.
  • 测试设备的符合性,在隔离心脏上进行电生理学记录,以及体内生物相容性.

主要成果:

  • 经过证明的可伸缩电子设备的模块低于10kPa,明显低于当前的技术水平.
  • 在隔离心脏的电生理记录过程中,在对心室压力产生最小影响的情况下,获得了高适应性和空间稳定性.
  • 在体内生物相容性测试显示了被抑制的异物反应,表明适合长期植入.

结论:

  • 柔软的介层设计可以从现有的可拉伸材料中创建多功能,超软的生物电子设备.
  • 这种方法克服了材料的局限性,为高级生物医学诊断和研究提供了关键的组织层面软度.
  • 开发的技术有望提高可植入生物电子设备的性能和寿命.