[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pharmia.cz\/nanotechnologie-laseroveho-tisku-vytvari-barvy-ktere-nikdy-nezmizi\/#Article","mainEntityOfPage":"https:\/\/www.pharmia.cz\/nanotechnologie-laseroveho-tisku-vytvari-barvy-ktere-nikdy-nezmizi\/","headline":"Nanotechnologie laserov\u00e9ho tisku vytv\u00e1\u0159\u00ed barvy, kter\u00e9 nikdy nezmiz\u00ed","name":"Nanotechnologie laserov\u00e9ho tisku vytv\u00e1\u0159\u00ed barvy, kter\u00e9 nikdy nezmiz\u00ed","description":"V\u011bdci z D\u00e1nska vyrobili list polymeru a polovodi\u010dov\u00e9ho kovu, kter\u00fd odr\u00e1\u017e\u00ed a absorbuje sv\u011btlo r\u016fzn\u00fdch vlnov\u00fdch d\u00e9lek. Na t\u00e9to teorii je vlastn\u011b postavena teorie barev.…","datePublished":"2025-03-07","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.pharmia.cz\/author\/#Person","name":"","url":"https:\/\/www.pharmia.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/bbaa4e9a58aac4329fe0ade0f3fb816f09f0dc43c21f6e884dccfbc124b16b29?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bbaa4e9a58aac4329fe0ade0f3fb816f09f0dc43c21f6e884dccfbc124b16b29?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"pharmia.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.pharmia.cz\/wp-content\/uploads\/img_a298451_w2284_t1508787325.png","url":"https:\/\/www.pharmia.cz\/wp-content\/uploads\/img_a298451_w2284_t1508787325.png","height":0,"width":0},"url":"https:\/\/www.pharmia.cz\/nanotechnologie-laseroveho-tisku-vytvari-barvy-ktere-nikdy-nezmizi\/","wordCount":433,"articleBody":"V\u011bdci z D\u00e1nska vyrobili list polymeru a polovodi\u010dov\u00e9ho kovu, kter\u00fd odr\u00e1\u017e\u00ed a absorbuje sv\u011btlo r\u016fzn\u00fdch vlnov\u00fdch d\u00e9lek. Na t\u00e9to teorii je vlastn\u011b postavena teorie barev. Podle toho, jak\u00e9 vlnov\u00e9 d\u00e9lky se odraz\u00ed a absorbuj\u00ed, m\u00e1 t\u011bleso ur\u010ditou barvu. Fotografie z takov\u00e9ho materi\u00e1lu by si tud\u00ed\u017e udr\u017eela st\u00e1lou barvu a to d\u00edky vibra\u010dn\u00edm struktur\u00e1m.\u00a0Za\u0159\u00edzen\u00ed dovoluje u\u017eivateli vybrat i velmi specifick\u00e9 barvy, proto\u017ee jejich volba z\u00e1vis\u00ed pouze na vlnov\u00e9 d\u00e9lce. Ka\u017ed\u00e1 \u010d\u00e1st barevn\u00e9ho spektra m\u00e1 p\u0159i\u0159azenou svou sv\u011btelnou d\u00e9lku. Odpad\u00e1 tak nutnost m\u00edch\u00e1n\u00ed pigment\u016f a porovn\u00e1v\u00e1n\u00ed barevn\u00fdch spekter. Stejnou techniku lze pou\u017e\u00edt i na vodoznaky.\u00a0V t\u00e9to technice jsou obr\u00e1zky vyti\u0161t\u011bny pomoc\u00ed laseru, kter\u00fd se vypaluje do vrstvy plastick\u00e9 hmoty, kter\u00e1 je pokryta germaniem. Vrstvy polymeru jsou tenk\u00e9 n\u011bkolik des\u00edtek nanometr\u016f. Tlou\u0161\u0165ka spolu s germaniem \u010din\u00ed 100 nanometr\u016f. Pro p\u0159edstavu \u2013 lidsk\u00fd vlas m\u00e1 tlou\u0161\u0165ku 100 000 nanometr\u016f.\u00a0Nanolaserovou tisk\u00e1rnu lze aplikovat i do 3D tisku. T\u00edm, \u017ee se d\u00e1 laseru nastavit intenzita z\u00e1\u0159en\u00ed, dok\u00e1\u017ee se tak vytisknout 3D obraz r\u016fzn\u00e9 geometrie.\u00a0Obraz z inkoustov\u00e9 tisk\u00e1rny nebo klasick\u00e9 laserov\u00e9 tisk\u00e1rny se obvykle skl\u00e1d\u00e1 z 300 a\u017e 2400 pixel\u016f. Zat\u00edmco u nanolaserov\u00e9 tisk\u00e1rny je rozli\u0161en\u00ed tis\u00edckr\u00e1t men\u0161\u00ed, na \u00farovni 100 000 pixel\u016f.\u00a0Barva obrazu z\u00e1vis\u00ed na tom, jak\u00fd tvar na polymerovou desku vyryjeme, proto\u017ee v d\u016fsledku toho se b\u00edl\u00e9 sv\u011btlo r\u016fzn\u011b oh\u00fdb\u00e1 a jinak difraktuje, a tud\u00ed\u017e se propou\u0161t\u00ed a odr\u00e1\u017e\u00ed ur\u010dit\u00e9 vlnov\u00e9 d\u00e9lky. Na stejn\u00e9m principu pracuj\u00ed podobn\u00fdm zp\u016fsobem mot\u00fdl\u00ed k\u0159\u00eddla a pe\u0159\u00ed pt\u00e1k\u016f. Drobn\u00e9 struktury pokr\u00fdvaj\u00edc\u00ed mot\u00fdl\u00ed k\u0159\u00eddlo nebo pav\u00ed pero, rozptyluj\u00ed sv\u011btlo specifick\u00fdmi zp\u016fsoby a tvo\u0159\u00ed barvy, kter\u00e9 vid\u00edme.\u00a0Aby se obraz z nanolaserov\u00e9 tisk\u00e1rny vyvaroval jist\u00e9 iridescenci, lze \u0159\u00eddit, kter\u00e9 vlnov\u00e9 d\u00e9lky p\u0159esn\u011b se budou odr\u00e1\u017eet a kter\u00e9 nikoli. V\u00fdsledn\u00fd produkt se d\u00e1le vyhne blednut\u00ed barev obrazu, proto\u017ee chemick\u00e9 slo\u017een\u00ed pigment\u016f je rozkl\u00e1d\u00e1no UV z\u00e1\u0159en\u00edm ze Slunce, dal\u0161\u00ed p\u0159\u00ed\u010dina blednut\u00ed je oxidace pigment\u016f na vzduchu.\u00a0Zvolen\u00e1 deska, na kter\u00e9 se bude obraz vypalovat, mus\u00ed b\u00fdt z materi\u00e1lu o vysok\u00e9m indexu lomu. Germanium se zat\u00edm zd\u00e1 b\u00fdt nejlep\u0161\u00edm adeptem, av\u0161ak nen\u00ed to ide\u00e1ln\u00ed materi\u00e1l, proto\u017ee jeho produkce odst\u00edn\u016f zelen\u00e9 barvy nen\u00ed dokonal\u00e1.\u00a0                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nanotechnologie laserov\u00e9ho tisku vytv\u00e1\u0159\u00ed barvy, kter\u00e9 nikdy nezmiz\u00ed","item":"https:\/\/www.pharmia.cz\/nanotechnologie-laseroveho-tisku-vytvari-barvy-ktere-nikdy-nezmizi\/#breadcrumbitem"}]}]