IP Library › Patent Application 15783661
Patent Application
App. No. 15/783,661

STRENGTHENED GLASS II

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Quick Facts
Patent No.
US None
App. No.
15/783,661
Abstract

There is an article of manufacture. The article includes an aluminosilicate glass object. The glass object is characterized by having a surface compression of at least 100,000 psi at a surface with a case depth of at least 65 microns below the surface, wherein the glass object is further characterized as including at least some amounts of Li2O, Na2O and K2O.

Claims (39)

1 . An article of manufacture comprising:

a strengthened aluminosilicate glass object characterized by having a surface compression of at least 100,000 psi at a surface with a case depth of at least 65 microns below the surface,

wherein the glass object is further characterized as including at least some amounts of Li 2 O, Na 2 O and K 2 O.

2 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 75 microns below the surface.

3 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 120 microns below the surface.

4 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 175 microns below the surface.

5 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 250 microns below the surface.

6 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 300 microns below the surface.

7 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 400 microns below the surface.

8 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 500 microns below the surface.

9 . The article of claim 1 ,

wherein the glass object has a case depth of at least at 550 microns below the surface.

10 . The article of claim 1 ,

wherein the glass object includes a composition with varying amounts of Na 2 O and K 2 O at different depths below the surface of the glass object.

11 . The article of claim 1 ,

wherein the glass object includes 7 to 30 weight % Al 2 O 3 .

12 . The article of claim 1 ,

wherein the glass object includes less than 9 weight % Li 2 O.

13 . The article of claim 1 ,

wherein the glass object includes less than 3 weight % Li 2 O.

14 . The article of claim 1 ,

wherein the glass object includes less than 2% by weight of K 2 O, Na 2 O or a combination thereof.

15 . The article of claim 1 ,

wherein the glass object has a surface compression between 100,000 to 145,000 psi at the surface.

16 . The article of claim 1 ,

wherein the glass object has a surface compression up to 145,000 psi at the surface.

17 . The article of claim 1 ,

wherein the glass object has a surface compression greater than 145,000 psi at the surface.

18 . The article of claim 1 ,

wherein the glass object includes up to 4 weight % each of ZrO 2 , TiO 2 , MgO and ZnO, and totaling no more than 10 weight % of a combination thereof.

19 . The article of claim 1 , wherein the glass object is flat.

20 . The article of claim 1 , wherein the glass object is made from a flat glass.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 16, 2017
From: VARSHNEYA, ARUN K
To: SAXON GLASS TECHNOLOGIES, INC.
Reel/Frame 044149/0531 →