Multicolored photosensitive glass-based parts and methods of manufacture

Abstract

Multicolored glass-based articles and methods of manufacture are disclosed. The method includes forming a glass-based part and exposing a first region to radiation and a second region to radiation such that the first and second regions have different sized metallic nanoparticles, resulting in a multicolored glass article.

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         16 . A method, comprising:
 irradiating a first region of a glass-based substrate with an ultra-violet source to form an irradiated glass-based substrate comprising metallic nanoparticle nuclei in the first region; and   heat treating the irradiated glass-based substrate to form a heat treated glass-based substrate comprising metallic nanoparticles of a component in the first region;   wherein the heat treated glass-based substrate comprises a second region containing metallic nanoparticles of the component with a second average particle diameter that is different than the first average particle diameter.   
     
     
         17 . The method of  claim 16 , further comprising disposing a mask between the glass-based substrate and the ultra-violet source prior to irradiating the glass-based source. 
     
     
         18 . The method of  claim 17 , wherein the mask is ink jet printed. 
     
     
         19 . The method of  claim 17 , wherein the mask reduces the intensity of the irradiation with the ultra-violet source at the second region relative to the first region. 
     
     
         20 . The method of  claim 17 , further comprising removing the mask after irradiating the glass-based substrate. 
     
     
         21 . The method of  claim 16 , wherein the component is selected from the group consisting of Au, Ag, and Cu. 
     
     
         22 . The method of  claim 16 , wherein the glass-based substrate further comprises a photosensitizer. 
     
     
         23 . The method of  claim 16 , wherein the glass-based substrate further comprises CeO 2 . 
     
     
         24 . The method of  claim 16 , further comprising a second irradiating of the glass-based substrate with an ultra-violet source from a second direction, wherein irradiating the first region of the glass-based substrate is from a first direction, and the first direction is different from the second direction. 
     
     
         25 . The method of  claim 16 , wherein the heat treating of the glass-based substrate is the only heat treatment of the glass-based substrate. 
     
     
         26 . The method of  claim 16 , wherein the irradiated glass-based substrate exhibits substantially no color change relative to the glass-based substrate. 
     
     
         27 . The method of  claim 16 , further comprising ion exchanging the heat-treated glass-based substrate. 
     
     
         28 . The method of  claim 16 , further comprising forming the glass-based substrate with a down-draw process. 
     
     
         29 . The method of  claim 16 , wherein the glass-based substrate comprises:
 40-85 mol % SiO 2 ;   0-30 mol % Al 2 O 3 ;   0-20 mol % B 2 O 3 ;   0-10 mol % P 2 O 5 ;   0-30 mol % Li 2 O+Na 2 O+K 2 O+Rb 2 O;   0-30 mol % MgO+CaO+SrO+BaO;   0-10 mol % of ZnO;   0-10 mol % ZrO 2 ;   0-10 mol % Y 2 O 3 ;   0-10 mol % La 2 O 3 ;   0-10 mol % NiO;   >0-5 mol % Au; and   0-5 mol % of CeO 2 .   
     
     
         30 . The method of  claim 16 , wherein the heat treating takes place at a temperature of about 500° C. to about 900° C. for about 0.5 hours to about 4 hours. 
     
     
         31 . The method of  claim 16 , wherein irradiating the glass-based substrate occurs for about 0.1 hours to about 10 hours at an intensity of about 1 mW to about 20 mW.