File:Centrifugal forming thin films.jpg
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Centrifugal_forming_thin_films.jpg (284 × 190 pixels, file size: 13 KB, MIME type: image/jpeg)
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DescriptionCentrifugal forming thin films.jpg |
English: Centrifugal forming thin films for semiconductors and solar cells |
Date | |
Source | https://www.google.com/patents/US4101925?dq=%22Larry+P+Kelley%22+solar&hl=en&sa=X&ved=0CB0Q6AEwAGoVChMI6u6-mqvTxwIViI-ACh3VAwWW |
Author | US Patent Office |
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Public domainPublic domainfalsefalse |
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:05, 31 August 2015 | 284 × 190 (13 KB) | Doug Coldwell (talk | contribs) | Fig 2 of invention for simplicity | |
20:22, 31 August 2015 | 370 × 354 (38 KB) | Doug Coldwell (talk | contribs) | crop | ||
20:08, 31 August 2015 | 412 × 584 (53 KB) | Doug Coldwell (talk | contribs) | User created page with UploadWizard |
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18 July 1978
image/jpeg
9c05a8b5d9194003008327522f2311fe71199ab3
13,163 byte
190 pixel
284 pixel
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