Laminated structures and methods of manufacturing laminated structures

Abstract

Laminated structures include a thin glass sheet with a thickness of less than 600 μm being attached to a metal sheet with an adhesive layer including a thickness of about 100 μm or less. These laminated structures can include planar or curved shapes. Methods of manufacturing a laminated structure are also provided including the step of attaching a glass sheet with a thickness of less than 600 μm to a metal sheet with an adhesive layer including a thickness of about 300 μm or less.

1 . A laminated structure comprising:
 a metal sheet;   a glass sheet including a thickness T 1  of less than 600 μm; and   an adhesive layer attaching the glass sheet to the metal sheet, the adhesive layer including a thickness T 2  of about 300 μm or less.   
     
     
         2 . The laminated structure of  claim 1 , wherein the thickness T 1  of the glass sheet is about 300 μm or less. 
     
     
         3 . The laminated structure of  claim 2 , wherein the thickness T 1  of the glass sheet is from about 50 μm to about 300 μm. 
     
     
         4 . The laminated structure of  claim 1 , wherein the glass sheet comprises glass selected from the group consisting of soda lime glass, borosilicate and alkaline earth boro-aluminosilicate. 
     
     
         5 . The laminated structure of  claim 1 , wherein the thickness T 2  of the adhesive layer is from about 20 μm to about 75 μm. 
     
     
         6 . The laminated structure of  claim 1 , wherein the thickness T 2  of the adhesive layer is from about 25 μm to about 50 μm. 
     
     
         7 . The laminated structure of  claim 1 , wherein the adhesive layer is substantially transparent. 
     
     
         8 . The laminated structure of  claim 1 , wherein the metal sheet comprises steel. 
     
     
         9 . The laminated structure of  claim 1 , wherein the metal sheet has a thickness T 3  from about 0.5 mm to about 2 mm. 
     
     
         10 - 20 . (canceled) 
     
     
         21 . A laminated structure comprising:
 a metal sheet;   a glass sheet including a thickness T 1  of less than 600 μm; and   an adhesive layer attaching the glass sheet to the metal sheet, the adhesive layer including a thickness T 2  of about 1.5 mm or less.   
     
     
         22 . The laminated structure of  claim 21 , wherein the thickness T 1  of the glass sheet is about 300 μm or less. 
     
     
         23 . The laminated structure of  claim 22 , wherein the thickness T 1  of the glass sheet is from about 50 μm to about 300 μm. 
     
     
         24 . The laminated structure of  claim 1 , wherein the glass sheet comprises chemically strengthened glass. 
     
     
         25 . The laminate structure of  claim 1 , wherein the glass sheet is a conformable glass sheet. 
     
     
         26 . The laminate structure of  claim 25  wherein the conformable glass sheet has a minimum radius of curvature Rg determined as a function of: 
       
         
           
             
               
                 
                   E 
                   · 
                   
                     T 
                      
                     1 
                   
                 
                 
                   2 
                    
                   
                       
                   
                    
                   Rg 
                 
               
               ≤ 
               
                 15 
                  
                 
                     
                 
                  
                 MPa 
               
             
           
         
       
       wherein E represents Young's Modulus of the glass sheet. 
     
     
         27 . The laminate structure of  claim 25  wherein the metal sheet is non-planar and the glass sheet is cold formed to the metal sheet. 
     
     
         28 . The laminate structure of  claim 25  wherein the metal sheet has a non-planar geometry and the glass sheet is pre-formed to said non-planar geometry. 
     
     
         29 . The laminated structure of  claim 21 , wherein the glass sheet comprises chemically strengthened glass. 
     
     
         30 . The laminate structure of  claim 21 , wherein the glass sheet is a conformable glass sheet. 
     
     
         31 . The laminate structure of  claim 30  wherein the conformable glass sheet has a minimum radius of curvature Rg determined as a function of: 
       
         
           
             
               
                 
                   
                     E 
                     · 
                     T 
                   
                    
                   
                       
                   
                    
                   1 
                 
                 
                   2 
                    
                   
                       
                   
                    
                   Rg 
                 
               
               ≤ 
               
                 15 
                  
                 
                     
                 
                  
                 MPa 
               
             
           
         
       
       wherein E represents Young's Modulus of the glass sheet. 
     
     
         32 . The laminate structure of  claim 30  wherein the metal sheet is non-planar and the glass sheet is cold formed to the metal sheet. 
     
     
         33 . The laminate structure of  claim 30  wherein the metal sheet has a non-planar geometry and the glass sheet is pre-formed to said non-planar geometry.