通过毛细体辅助粒子组装实现像素化的物理非克隆功能
Zazo Cazimir Meijs1, Hee Seong Yun2, Pascal Fandre1
1Laboratory for Soft Materials and Interfaces, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland.
ACS applied materials & interfaces
|November 1, 2023
概括
研究人员使用光粒子开发了新的物理非克隆功能 (PUF). 这些耐用,不可克隆的PUF提供了对产品的高容量认证,有效打击假冒.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 光学是什么?光学是什么?光学是什么?
背景情况:
- 假冒在各个行业都带来了重大的经济挑战.
- 对于安全,不可克隆的身份验证令牌的需求日益增长.
- 物理非克隆函数 (PUF) 提供了一个有前途的解决方案,因为它们固有的随机性和不可重复性.
研究的目的:
- 开发一种强大而简单的方法来创建像素化的物理不可克隆函数 (PUF).
- 为了实现认证应用程序的高编码能力.
- 提高PUF的耐用性和强度,以便在实际实施中.
主要方法:
- 使用毛细体辅助粒子组装来沉积随机混合的光合物.
- 通过将粒子安排在预先确定的格子中,创建了像素化的PUF.
- 将PUF转移并嵌入到透明材料中进行保护.
主要成果:
- 通过沉积的粒子实现了编码能力的指数级扩展,超过10^700.
- 由于PUFs的像素化性质,证明了易于和可靠的读取.
- 通过材料嵌入来提高PUF的稳定性和强度.
结论:
- 拟议的方法提供了一种简单有效的方法来制造高度安全和耐用的PUF.
- 高编码能力和稳定性使这些PUF适用于广泛的防伪应用.
- 这种方法大大促进了可靠的身份验证技术的发展.
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