通过转移和结合方法增强卷对卷雕刻式杆触摸传感器
Sang Hoon Lee1, Jae Hak Shin2, Sangyoon Lee3
1Department of Chemical and Biomolecular Engineering, University of California, Irvine, Irvine, CA 92697, USA.
Sensors (Basel, Switzerland)
|February 13, 2025
概括
这项研究引入了一种新的卷对卷印刷方法,用于制造微型空隙触摸传感器. 该技术克服了以前的局限性,使得可扩展的传感器生产具有高灵敏度和材料灵活性.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 电气工程 电气工程
背景情况:
- 传感器的小型化提供了诸如增强的系统芯片 (SoC) 集成,成本降低和更轻的设计等好处.
- 卷对卷 (R2R) 打印适用于大规模传感器生产,但制造3D空隙结构仍然很困难.
- 现有的牺牲层去除方法可能会导致粘合问题,阻碍传感器缩放和材料选择.
研究的目的:
- 开发一种R2R打印方法,用于制造微型空隙触摸传感器.
- 为了应对生产3D结构的挑战,并防止在牺牲层移除过程中发生粘接.
- 为了使材料灵活,并尽量减少传感器缩放期间的灵敏性损失.
主要方法:
- 整合R2R刻印与传输和粘合技术,用于触摸传感器制造.
- 下部传感器部件的制造使用PET上R2R重力打印的Ag (底部电极) 和BaSO (介电和间隔器).
- 上部传感器部分的制造使用PVP (牺牲层),Ag (顶部电极) 和SU-8 (结构层) 在PET上使用R2R重力打印,然后用水辅助分层和粘合.
主要成果:
- 通过使用拟议的R2R方法,成功制造了具有3D空隙结构的微型触摸传感器.
- 用水辅助的分层和粘合过程防止了粘合问题.
- 与以环氧树脂为基础的传感器相比,制造的传感器展示了小型化,同时保持了相对较高的灵敏度.
结论:
- 拟议的R2R刻印和转接粘合方法对于制造微型空隙触摸传感器是有效的.
- 这种方法克服了粘性限制,允许更大的材料选择和传感器可扩展性.
- 开发的传感器实现了高灵敏度的小型化,为先进的传感器应用铺平了道路.
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