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  • thin film
    thin film
    noun
    a film of material only a few microns thick, deposited on a substrate, as in the technology for making integrated circuits.
  • thin-film
    thin-film
    adjective
    (of an electronic component, device, or circuit) composed of one or more extremely thin layers of metal, semiconductor, etc, deposited on a ceramic or glass substrate

thin film

American  

noun

  1. a film of material only a few microns thick, deposited on a substrate, as in the technology for making integrated circuits.


thin-film British  

adjective

  1. (of an electronic component, device, or circuit) composed of one or more extremely thin layers of metal, semiconductor, etc, deposited on a ceramic or glass substrate

    thin-film capacitor

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of thin film

First recorded in 1955–60

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

They engineered a hafnium-based thin film that switches states through a more controlled mechanism.

From Science Daily Apr. 23, 2026

To test this effect, the team built a solar cell using a thin film of P3TTM.

From Science Daily Oct. 15, 2025

A thin film that combines an electrode grid and LEDs can both track and produce a visual representation of the brain's activity in real-time during surgery-a huge improvement over the current state of the art.

From Science Daily Apr. 24, 2024

Tagliabue explains that, using a thin film of monocrystalline gold produced with a novel synthesis technique, the team studied the photoluminescence process as they made the metal thinner and thinner.

From Science Daily Apr. 19, 2024

A thin film of spit bubbled on Pycelle's lips as his mouth trembled.

From "A Clash of Kings" by George R.R. Martin

The company has been dogged by concerns over a lack of clarity into its operations, including its progress on building an operational foundry in Arizona to manufacture thin-film lithium niobate chips for quantum systems.

From Barron's May 11, 2026

The Chinese thin-film deposition equipment provider is poised to benefit from a strong memory expansion upcycle, the analysts say.

From The Wall Street Journal Apr. 29, 2026

Quantum Computing sees its thin-film lithium niobate chip foundry, which produces materials used in telecom hardware and photonic chips that power certain types of quantum systems, as a way to stand out from peers.

From Barron's Mar. 2, 2026

The ink can flow through hair to reach the scalp, and once dried, it works as a thin-film sensor, picking up brain activity through the scalp.

From Science Daily Dec. 2, 2024

One promising approach to enable proton counting during radiotherapy involves the development of high-performance thin-film detectors that are transmissive to protons.

From Science Daily Feb. 1, 2024

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