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azo dye |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.13 sec. |
azo dyeAny of a large class of synthetic organic compounds, dyes containing two nitrogen atoms joined by a double bond (see bonding, covalent bond) in the form −N=N− as part of their molecular structure. More than half the dyes in commercial use are azo dyes. They are usually classed according to the fibres for which they are useful or the methods by which they are applied; direct dyes are absorbed from solution by the fibres, but others require a second solution (a mordant) or a second step before the colour is fast. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Samples S1 and S3, both of which use azo dye for the data layer, have higher error rates in both direct light exposure and extreme temperature/humidity testing. The patented AZO dye features excellent thermal and optical properties for a wider power margin and increased sensitivity to laser light for high-speed recording. 6 Recording Layer Azo Dye Azo Dye Reflectivity 45-85% 45-85% Track Pitch 0. |
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