Image:Chung negative resistance setup.png

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This work is copyrighted and unlicensed. It does not fall into one of the blanket fair use categories listed at Wikipedia:Fair use#Images or Wikipedia:Fair use#Audio_clips. However, it is believed that the use of this work in the article "Negative resistance":

To illustrate the object in question
Where no free equivalent is available or could be created that would adequately give the same information
On the English-language Wikipedia ([1]), hosted on servers in the United States by the non-profit Wikimedia Foundation ([2]),

qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Fair use and Wikipedia:Copyrights.

To the uploader: this tag is not a sufficient claim of fair use. You must also include the source of the work, all available copyright information, and a detailed fair use rationale.

Chung's negative resistance setup

I believe this is fair use as it is for "analysis or criticism". — Omegatron 19:14, 11 November 2005 (UTC)

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I don't feel that this qualifies for fair use because it could easily be recreated with a free-use image. Kevin 12:49, 1 August 2006 (UTC)

It is needed to show the device as she presented it. — Omegatron 13:35, 1 August 2006 (UTC)

The image was proposed for deletion as a replaceable fair use image. The result of the debate was to Keep the image as no adequate free-licensed image exists or can be created.

Rationale for keeping: The image is clearly fair use in the sense of being legitimately used for critical discussion (criteria 2-9). Wikipedia policy demands that, in addition to being fair use, it must also be non-replaceable (criterion 1). Technically, it is of course true that we could easily create original SVG artwork conveying the same information. However, in order to do that, the replacement artwork would have to be so close to the original that it would likely qualify as a derivative work. Hence, it would still not be "free", it would still be "only" fair use, and nothing would be gained. Fut.Perf. ☼ 14:21, 11 February 2007 (UTC)

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