Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/313
| Title: | Photographic chemical formula and process | Authors: | Yan, S Yu, WMW |
Issue Date: | 18-Feb-2003 | Source: | US Patent 6,521,396 B2. Washington, DC: US Patent and Trademark Office, 2003. | Abstract: | High density and contrast range photographic grids for a moire body scanner are made by a method including forming an image on a high density technical grade film, providing a recommended commercial developer chemical for said high density technical grade film, preparing a modified developer liquid from said recommended commercial developer chemical by increasing the pH and the contrast of developer reducing agent, and developing a black and white image using said modified developer liquid. The modified developer liquid also finds other applications. | Keywords: | Photographic chemical formula Photographic chemical process High density and contrast range photographic grids Body scanner |
Rights: | Assignee: The Hong Kong Polytechnic University. |
| Appears in Collections: | Patent |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| us6521396b2.pdf | 377.95 kB | Adobe PDF | View/Open |
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