V2EX sheet resistance

Sheet Resistance

释义 Definition

面电阻;片电阻:指薄膜或导电层在“单位方块(square)”尺度上的电阻大小,常用单位为 Ω/□(欧姆每方块)。它与材料厚度有关,常用于半导体、透明导电膜、金属薄膜等的电学表征。(也常被称为 resistance per square。)

发音 Pronunciation (IPA)

/it rzstns/

例句 Examples

The engineer measured the sheet resistance of the thin film.
工程师测量了这层薄膜的面电阻。

Because the coating is very thin, a small change in thickness can significantly affect its sheet resistance and device performance.
由于涂层很薄,厚度的微小变化就可能显著影响其面电阻以及器件性能。

词源 Etymology

该短语由 sheet(片、薄层) + resistance(电阻)组成,字面意思是“薄层的电阻”。在薄膜与表面导电层的语境中,为了避免直接依赖几何尺寸(长宽比)的影响,人们用“每方块电阻(Ω/□)”来描述导电层的电阻特性,因此形成并固定了 sheet resistance 这一术语。

相关词 Related Words

文学与著作 Literary Works

  • S. M. Sze & Kwok K. Ng, Physics of Semiconductor Devices(讨论薄膜/扩散层电学参数与面电阻等相关概念)
  • Ben G. Streetman & Sanjay Banerjee, Solid State Electronic Devices(在半导体工艺与薄层电阻表征语境中出现)
  • L. J. van der Pauw, “A method of measuring the resistivity and Hall coefficient on lamellae of arbitrary shape,” Philips Technical Review(与薄片电阻/面电阻测量密切相关的经典方法论文)
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