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REFLECTING FILM TO IMPROVE FLASHLAMP COLOR COPYABILITY

IP.com Disclosure Number: IPCOM000025591D
Original Publication Date: 1986-Jun-30
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 45K

Publishing Venue

Xerox Disclosure Journal

Abstract

Xerographic flash exposure copiers have poor blue copyability because of'the large amount of energy in the blue portion of the flash lamp spectra. Most blue inputs are indistinguishable from the white background and so do not copy One solution is to modify the lamp by coating the lamp envelope with a UVhlue (less than 450 nm) reflecting film and a red/lR (greater than 700 nm) reflecting film This technique improves the blue copyability while increasing lamp efficiency because energy is reflected back into the lamp and absorbed by the plasma, increasing the lanap output in the visible portion ofthe spectra

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XEROX DISCLOSURE JOURNAL

Proposed C lassif'i ca tion US Cl 355/67
Int, CL GO3b 27/54

Xerographic flash exposure copiers have poor blue copyability because of'the large amount of energy in the blue portion of the flash lamp spectra. Most blue inputs are indistinguishable from the white background and so do not copy One solution is to modify the lamp by coating the lamp envelope with a UVhlue (less than 450 nm) reflecting film and a red/lR (greater than 700 nm) reflecting film This technique improves the blue copyability while increasing lamp efficiency because energy is reflected back into the lamp and absorbed by the plasma, increasing the lanap output in the visible portion ofthe spectra

Volume 11 Number 3 May/June 1986

REFLECTING FILM TO IMPROVE FLASHLAMP COLOR COPYABILITY Thomas J Hammond

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 XEROX DISCLOSURE JOURNAL Volume 11 Number 3 May/June 1986

[This page contains 1 picture or other non-text object]