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A photo paper which uses DVD Rewritable technology to print extremely crisp monochrome photos. The paper has a dye layer that can be changed from light to dark and back by a high power laser. Whereas DVD labeling/unused space printing uses blank DVDs, this would use special paper (actually plastic in
the shape of a photo) and a laser beam. The resolution would be 1 bit 32,000 DPI.
e-Paper
http://en.wikipedia.org/wiki/E-paper
Mono and polychrome versions available - few commercial applications exist, with the exception of a couple of handheld text-readers from Sony. [zen_tom, Oct 30 2006]
Xerox Seeks Erasable Form of Paper for Copiers
http://www.nytimes....in&pagewanted=print
The researchers describe the invention as being based on compounds that can change color when they absorb a certain wavelength of light, but can then gradually revert to their original appearance. The compounds currently self-erase in about 16 to 24 hours, or can be erased immediately when heated. [xaviergisz, Nov 27 2006]
Scientists Have Invented Paper That You Can Print With Light, Erase With Heat, and Reuse 80 Times
https://science.sla...-and-reuse-80-times
[xaviergisz, Feb 07 2017]
[link]
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Sounds like you're describing a thermal
printer, to me. |
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There's that new lcd paper stuff - and it works without all those lasers - I don't know what the resolution is though. |
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kudos, best idea I've read in quite a while. |
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Because of the ultra-fine resolution, you may also be able to print diffraction patterns and holograms. |
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However it may be difficult to implement. In a DVD burner the read/write laser only has to move on a single axis. This invention would require fine motor control in 2 axes (assuming you're talking about rectangular media without a big hole in the centre). |
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Note for searching for similar inventions: printing on the blank space of DVDs with the burner is also known as 'pit art'. |
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Fair point, Ian, but it'd be surprised if laser
solutions aren't amongst those being
considered in the many possible products
that fall under the heading of epaper. |
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Toshiba just annouced the release of this today. "Paper" is reusable 500 times and only costs £5 per sheet..... |
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// reusable 500 times and only costs £5 per sheet..... // |
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Which works out at GBP£0.01 per print, in 2006. |
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Current (2017) prices for basic white A4 paper are around GBP£0.005 per sheet. |
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It would be worth finding out what the current economics are - they might be more favourable by now. |
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