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相关概念视频

Determination of Crystal Structures01:29

Determination of Crystal Structures

138
In the late 1800s, the revelation that light extended beyond visible wavelengths led to the discovery of X-rays by Wilhelm Roentgen. Recognized as high-energy electromagnetic radiation with short wavelengths, X-rays prompted exploration into their interaction with crystals. Max von Laue proposed in 1912 that the periodic arrangement of atoms, ions, or molecules in crystals would cause them to diffract X-rays, a hypothesis confirmed through experiments with copper sulfate and zinc sulfide...
138

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相关实验视频

Updated: May 5, 2026

Fabrication of Flexible Image Sensor Based on Lateral NIPIN Phototransistors
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基于垂直雪崩光二极管 (VAPD) 的CMOS图像传感器的强大的像素设计方法.

Akito Inoue1, Naoki Torazawa1, Shota Yamada1

  • 1Panasonic Industry Co., Ltd., 1006, Oaza Kadoma, Kadoma-shi 571-8506, Osaka, Japan.

Sensors (Basel, Switzerland)
|August 29, 2024
PubMed
概括

这项研究介绍了基于垂直雪崩光二极管的CMOS图像传感器的新像素设计. 该设计确保在不同条件和强光下稳定运行,提高性能和可靠性.

关键词:
在CMOS图像传感器 (CIS) 中.警卫戒指 警卫戒指 警卫戒指强大的像素设计.单光子雪崩二极管 (SPAD) 是一种飞行时间传感器

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科学领域:

  • 固态物理 固态物理
  • 图像传感器技术 图像传感器技术
  • 微电子工程微电子工程

背景情况:

  • 传统的CMOS图像传感器面临着像素隔离,对环境变化的敏感性以及在强光下性能等挑战.
  • 垂直雪崩光二极管 (VAPD) 具有提高灵敏度的潜力,但需要强大的像素设计才能实际应用.

研究的目的:

  • 开发和验证基于VAPD的CMOS图像传感器的强大的像素设计方法.
  • 解决关键的实际因素,包括无保护环隔离,对电压/温度不敏感,在强光照明下稳定运行.

主要方法:

  • 通过优化电场度和隔离之间的权衡,开发了一个无保护环的像素隔离布局.
  • 实现了全局反电阻,以抑制光子检测效率和暗计数率的变化.
  • 引入了像素溢出晶体管,以提高对强光照明的抵抗力.

主要成果:

  • 没有保护环的设计通过模拟和实验性表征来验证.
  • 全球反有效地减少了不同电压和温度的设备特征变化.
  • 制造的VAPD-CIS表现出强大的性能,通过测试122个芯片和1000小时的高温/强光测试来验证.

结论:

  • 提出的像素设计方法显著提高了基于VAPD的CMOS图像传感器的稳定性和稳定性.
  • 该设计克服了关键的局限性,使传感器在苛刻的环境条件和高光强度下可靠运行.