Patents Assigned to Saxon Glass Technologies, Inc.
-
Patent number: 10252941Abstract: Chemically strengthened glass and a method for making utilizing differential chemistry are provided. The method includes providing a substrate having a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium characterized by including a composition associated with an ion exchange rate of invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes providing a modified exchange medium including a modified composition associated with a modified ion exchange rate of the invading alkali ions. The method also includes applying the exchange mediums and conducting ion exchange to produce the strengthened substrate.Type: GrantFiled: March 6, 2017Date of Patent: April 9, 2019Assignee: Saxon Glass Technologies, Inc.Inventor: Patrick K. Kreski
-
Patent number: 9815732Abstract: There is an article of manufacture. The article includes an alkali aluminosilicate glass object. The glass object is characterized by having at least one of: a surface compression of ?about 100,000 psi with a case depth of ?about 600 microns; and/or a compressive stress of ?about 30,000 psi at ?about 50 microns below a surface of the glass object and above the case depth.Type: GrantFiled: January 21, 2015Date of Patent: November 14, 2017Assignee: Saxon Glass Technologies, Inc.Inventor: Arun K. Varshneya
-
Patent number: 9796621Abstract: Chemically strengthened glass with reduced induced curvature and a method for making utilizing a heat treatment are provided. The method includes providing a substrate, having a width, and characterized by having a glass chemical structure including host alkali ions having an average ionic radius situated in the glass chemical structure. The substrate also includes dimensional volumes including a treatment-rich volume and a treatment-poor volume located as opposed to each other in the provided substrate. The method also includes heating the provided substrate to a heat-treating temperature for a heat-treating period to produce a heat-treated substrate. The method also includes providing an exchange medium including invading alkali ions. The method also includes applying the exchange medium and conducting ion exchange to produce the strengthened substrate with reduced induced curvature.Type: GrantFiled: October 15, 2013Date of Patent: October 24, 2017Assignee: Saxon Glass Technologies, Inc.Inventors: Arun K. Varshneya, Patrick K. Kreski
-
Patent number: 9162426Abstract: There is a transparent armor system. The system comprises a transparent front region comprising a strike-face layer. The front region includes a mass of a type of material characterized by having sufficient energy absorption capacity and energy dissipation properties to reduce radial tensile stresses and hoop tensile stresses caused by an impact at the strike face to a set reduced level. The impact has impact energy caused by an impact projectile having a mass hitting the strike-face layer. The system further comprises a transparent back region comprising a potassium-sodium exchanged glass characterized by having a surface compression of at least about 50,000 psi and a compression case depth of at least about 200 microns. The potassium-sodium exchanged glass is present in one of a layer and a plurality of layers in the back region. There are also associated methods of making and methods of using.Type: GrantFiled: February 17, 2012Date of Patent: October 20, 2015Assignee: SAXON GLASS TECHNOLOGIES, INC.Inventors: Arun Kumar Varshneya, Patrick Kenneth Kreski
-
Publication number: 20150166407Abstract: Chemically strengthened glass with high surface compression, deeper case depth, shorter processing time and a reduced induced curvature relative to that obtained in a traditional immersion method and a method for making utilizing an electric filed assist are provided. The method includes providing a substrate, characterized by having a glass chemical structure including host alkali ions having an average ionic radius situated in the glass chemical structure. The method also includes exposing the substrate to the exchange medium; and conducting ion exchange to produce a strengthened substrate while exposing the substrate to the exchange medium and applying an electric field in a plurality of cycles across the surfaces of the substrate.Type: ApplicationFiled: December 7, 2014Publication date: June 18, 2015Applicant: Saxon Glass Technologies, Inc.Inventors: Arun K. Varshneya, Garrett A. Olson, Patrick K. Kreski
-
Publication number: 20150158756Abstract: There is an article of manufacture. The article includes an alkali aluminosilicate glass object. The glass object is characterized by having at least one of: a surface compression of ?about 100,000 psi with a case depth of ?about 600 microns; and/or a compressive stress of ?about 30,000 psi at ?about 50 microns below a surface of the glass object and above the case depth.Type: ApplicationFiled: January 21, 2015Publication date: June 11, 2015Applicant: Saxon Glass Technologies, Inc.Inventor: Arun K. Varshneya
-
Patent number: 8959953Abstract: There is a method for making. The method includes providing an untreated alkali aluminosilicate glass having an annealing point temperature that is at least about 580° C. The method also includes providing a mixed potassium and sodium salt bath having greater than about 50 mole % potassium salt and less than about 50 mole % sodium salt. The method also includes immersing the untreated glass in the mixed salt bath and maintaining the mixed salt bath with the immersed untreated glass within a temperature range from about 450° C. to less than the annealing point temperature of the untreated glass for a period greater than about 2 hours to produce a strengthened glass. The produced strengthened glass has a surface compression of at least about 100,000 psi and a compression case depth of at least about 600 microns.Type: GrantFiled: September 26, 2012Date of Patent: February 24, 2015Assignee: Saxon Glass Technologies, Inc.Inventor: Arun Kumar Varshneya
-
Publication number: 20140178690Abstract: Chemically strengthened glass and a method for making utilizing differential areal density are provided. The method includes providing a substrate having a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium characterized by having an areal density, associated with an ion exchange rate, of invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes providing a modified exchange medium characterized by having a modified areal density, associated with a modified ion exchange rate, of the invading alkali ions. The method also includes applying the exchange mediums and conducting ion exchange to produce the strengthened substrate.Type: ApplicationFiled: October 5, 2013Publication date: June 26, 2014Applicant: Saxon Glass Technologies, Inc.Inventor: Patrick K. Kreski
-
Publication number: 20140178691Abstract: Chemically strengthened glass and a method for making utilizing differential chemistry are provided. The method includes providing a substrate having a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium characterized by including a composition associated with an ion exchange rate of invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes providing a modified exchange medium including a modified composition associated with a modified ion exchange rate of the invading alkali ions. The method also includes applying the exchange mediums and conducting ion exchange to produce the strengthened substrate.Type: ApplicationFiled: October 5, 2013Publication date: June 26, 2014Applicant: Saxon Glass Technologies, Inc.Inventor: Patrick K. Kreski
-
Publication number: 20140178663Abstract: Chemically strengthened glass with reduced induced curvature and a method for making utilizing a heat treatment are provided. The method includes providing a substrate, having a width, and characterized by having a glass chemical structure including host alkali ions having an average ionic radius situated in the glass chemical structure. The substrate also includes dimensional volumes including a treatment-rich volume and a treatment-poor volume located as opposed to each other in the provided substrate. The method also includes heating the provided substrate to a heat-treating temperature for a heat-treating period to produce a heat-treated substrate. The method also includes providing an exchange medium including invading alkali ions. The method also includes applying the exchange medium and conducting ion exchange to produce the strengthened substrate with reduced induced curvature.Type: ApplicationFiled: October 15, 2013Publication date: June 26, 2014Applicant: Saxon Glass Technologies, Inc.Inventors: Arun K. Varshneya, Patrick K. Kreski
-
Publication number: 20140178689Abstract: Chemically strengthened glass and a method for making utilizing differential time are provided. The method includes providing a substrate. The substrate includes a glass chemical structure. Host alkali ions are situated in the chemical structure. The substrate has a treatment-rich volume and a treatment-poor volume located as opposed to each other in the substrate. The method also includes providing an exchange medium including invading alkali ions having an average ionic radius that is larger than an average ionic radius of the host alkali ions. The method also includes applying the exchange medium to a surface of the treatment-rich volume for a period of time and applying the exchange medium to a surface of the treatment-poor volume for a modified period of time. The method also includes conducting ion exchange while applying the exchange medium to produce the strengthened substrate.Type: ApplicationFiled: October 5, 2013Publication date: June 26, 2014Applicant: Saxon Glass Technologies, Inc.Inventor: Patrick K. Kreski
-
Publication number: 20140109616Abstract: There is a method for making. The method includes providing an untreated alkali aluminosilicate glass having an annealing point temperature that is at least about 580° C. The method also includes providing a mixed potassium and sodium salt bath having greater than about 50 mole % potassium salt and less than about 50 mole % sodium salt. The method also includes immersing the untreated glass in the mixed salt bath and maintaining the mixed salt bath with the immersed untreated glass within a temperature range from about 450° C. to less than the annealing point temperature of the untreated glass for a period greater than about 2 hours to produce a strengthened glass. The produced strengthened glass has a surface compression of at least about 100,000 psi and a compression case depth of at least about 600 microns.Type: ApplicationFiled: September 26, 2012Publication date: April 24, 2014Applicant: Saxon Glass Technologies, Inc.Inventor: Saxon Glass Technologies, Inc.
-
Patent number: 8304078Abstract: Chemically strengthened lithium aluminosilicate glass is characterized by a surface compression of at least 100,000 psi and a compression case depth of at least 600 microns. The glass also may be characterized by a compression at 50 microns below a surface of the glass that is at least 30,000 psi. A method of making this glass includes providing a lithium aluminosilicate glass having a composition comprising (in weight %): Li2O in an amount ranging from 3 to 9%, Na2O+K2O in an amount not greater than 3%, and Al2O3 in an amount ranging from 7 to 30%. The composition provides the glass with an annealing point temperature of at least 580° C. A mixed potassium and sodium salt bath is provided comprising predominantly potassium salt. A ratio of moles of sodium salt to moles of potassium salt in the mixed salt bath can range from 1:10 to 1:2. The temperature of the salt bath is maintained in a range of 450° C. up to an annealing point temperature of the glass.Type: GrantFiled: August 30, 2006Date of Patent: November 6, 2012Assignee: Saxon Glass Technologies, Inc.Inventor: Arun K. Varshneya
-
Publication number: 20070060465Abstract: Chemically strengthened lithium aluminosilicate glass is characterized by a surface compression of at least 100,000 psi and a compression case depth of at least 600 microns. The glass also may be characterized by a compression at 50 microns below a surface of the glass that is at least 30,000 psi. A method of making this glass includes providing a lithium aluminosilicate glass having a composition comprising (in weight %): Li2O in an amount ranging from 3 to 9%, Na2O+K2O in an amount not greater than 3%, and Al2O3 in an amount ranging from 7 to 30%. The composition provides the glass with an annealing point temperature of at least 580° C. A mixed potassium and sodium salt bath is provided comprising predominantly potassium salt. A ratio of moles of sodium salt to moles of potassium salt in the mixed salt bath can range from 1:10 to 1:2. The temperature of the salt bath is maintained in a range of 450° C. up to an annealing point temperature of the glass.Type: ApplicationFiled: August 30, 2006Publication date: March 15, 2007Applicant: SAXON GLASS TECHNOLOGIES, INC.Inventors: Arun Varshneya, Ian Spinelli