Abstract: A micro-optical element is provided that includes a glass substrate, a microstructure layer, and a bonding strength between the glass substrate and microstructure layer. The glass substrate has a thickness of less than or equal to 1500 ?m and exhibits a glue contact angle of less than 45°. The microstructure layer is formed from polymer imprinted on the glass substrate. The bonding strength is larger than 0.5 MPa.

Abstract: A shaped glass article is provided that is ultrathin, has two surfaces and one or more edges joining the two surfaces, and a thickness between the two surfaces. The shaped ultrathin glass article has at least one curved area with a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied. A method for producing a shaped glass article is also provided that includes providing an ultrathin glass with two surfaces and one or more edges joining the two surfaces, having a thickness between the two surfaces and shaping the ultrathin glass to a shaped ultrathin glass article by forming at least one curved area having a non-vanishing surface curvature with a minimal curvature radius R if no external forces are applied to the shaped ultrathin glass article.

Abstract: A diffractive optical element is provided that includes at least two layers with different etching speeds for dry etching process. The diffractive optical element has a substrate of glass and a microstructure layer arranged on the substrate. The ratio of dry etching speed in thickness direction of the substrate to that of the microstructure layer is no more than 1:2 so that the substrate functions as an etching stop layer. The ratio of dry etching speed in horizontal direction of the substrate is substantially equal to that of the microstructure layer. The composition of glass includes, but is not limited to, Al2O3, alkaline material (M2O) and alkaline earth material (MO), where the weight percentage of Al2O3+M2O+MO>=5%.

Abstract: The present invention is directed to a kind of machinable glass ceramic which can be chemically toughened. The machinable and chemically toughenable glass ceramic, which comprises, as represented by weight percentage based on the following compositions, 25-75 wt % of SiO2, 6-30 wt % of Al2O3, 0.1-30 wt % of Na2O, 0-15 wt % of K2O, 0-30 wt % of B2O3, 4-35 wt % of MgO, 0-4 wt % of CaO, 1-20 wt % of F, 0-10 wt % of ZrO2, 0.1-10 wt % of P2O5, 0-1 wt % of CeO2 and 0-1 wt % of SnO2, wherein P2O5+Na2O>3 wt %, and Al2O3+Na2O+P2O5>17 wt %. Mica crystalline phase can be formed in the glass ceramic and the glass ceramic can be chemically toughened by one step, two steps or multiple steps with depth of K-ion layer of at least 15 ?m and surface compress stress of at least 300 MPa. The profile on depth of the ion exchange layer follows the complementary error function. Hardness can be improved by at least 20% after chemical toughening. The dimension deviation ratio is less than 0.06% by ion-exchanging.

Abstract: A glass substrate having an average thickness of the glass substrate from 0.01 to 1.2 mm and having a temperature dependence of refractive index at a wave-length of 850 nm in a temperature range from ?40° C. to 60° C. of not more than 10×10?6/K.

Abstract: A chemically toughenable or toughened glass is provided. The glass has, before chemical toughening, a thickness of at most 500 ?m. The glass, after chemical toughening, has a BACT (bendability and chemical toughenability) calculated as BACT=(CS*DoL)/(t*E) which is greater than 0.00050 and/or a NS (normalized stiffness) calculated as NS=CS/E which is greater than 0.0085, where CS is a compressive stress in MPa measured at one side of the glass after chemical toughening, DoL is a total depth of all ion-exchanged layers in ?m on one side of the glass after chemical toughening, t is a thickness of the glass in ?m after chemical toughening, and E is a E-modulus in MPa after chemical toughening.

Abstract: A drinking implement includes: a first opening; a lumen; a second opening fluidly coupled to the first opening and the lumen; and a wall including a glass and extending from the first opening to the second opening and surrounding the lumen. The wall has an inner surface facing toward the lumen and an outer surface facing away from the lumen. The wall has a first compressive stress layer extending from the inner surface to a first depth within the wall, a second compressive stress layer extending from the outer surface to a second depth within the wall, and a tensile stress layer disposed within the wall at a depth between the first compressive stress layer and the second compressive stress layer. The second depth is from 0.05% to 25% of a thickness of the wall.

Abstract: An ultrathin chemically toughened glass article has a thickness of no more than 0.4 mm. In order to improve the sharp impact resistance, the glass article has a breakage height (given in mm) of more than 50 multiplied by the thickness (t) of the glass article (given in mm). Further, it has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t) of the glass article (given in mm) and divided by the figure of the surface compressive stress (in MPa) measured at the first surface.

Abstract: An ultrathin chemically toughened glass article has a thickness of no more than 0.4 mm. In order to improve the sharp contact resistance, the glass article has a breakage force (given in N) of more than 30 multiplied by the thickness t of the of the glass article (given in mm). Further, it has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t) of the glass article (given in mm) and divided by the figure of the surface compressive stress (in MPa) at a first surface of the glass article.

Abstract: A thin glass article is provided that has a first face, a second face, one or more edges joining the first and second faces, and a thickness between the first and second faces, where the faces and the one or more edges together form an outer surface of the thin glass article. The thin glass article has an ion-exchanged surface layer on its outer surface. The ion-exchanged surface layer is non-uniform, wherein the non-uniform ion-exchanged surface layer has an associated compressive surface stress which varies between a minimum and a maximum value over the outer surface and/or a depth of layer which varies between a minimum and a maximum value over the outer surface. A method for producing a thin glass article and a use of a thin glass article are also provided.

Abstract: An electronic device structure and an ultra-thin glass sheet used therein. The electronic device structure includes a functional device and an ultra-thin glass above the functional device. The ultra-thin glass has a thickness of no more than 0.4 mm and also has a toughening layer, of which the thickness does not exceed 50% of the thickness of the ultra-thin glass. The ultra-thin glass has a total thickness variation of no more than 20 ?m. The ultra-thin glass used in the electronic device structure according to the present invention provides quality assurance for subsequent potential processes, such as cutting, drilling, coating, screen-printing, laminating, gluing and the like, due to the toughening layer. Moreover, the ultra-thin glass improves functionality of the electronic device structure, in particular of the device, due to its small total thickness variation.

Abstract: A glass substrate having an average thickness of the glass substrate from 0.01 to 1.2 mm and having a temperature dependence of refractive index at a wave-length of 850 nm in a temperature range from ?40° C. to 60° C. of not more than 10×10?6/K.

Abstract: A chemically toughenable or toughened glass has, before chemical toughening, a thickness t of at most 1100 ?m. The glass comprises the following components: 45-75 mol-% SiO2; 10-25 mol-% Al2O3; >1-11 mol-% Li2O; 0-15 mol-% P2O5; 0-8 mol-% B2O3; and 0-5 mol-% TiO2. The average number of bridging oxygen per polyhedron (BO) calculated as 2*4?2*(cmol(O)/(cmol(Si)+cmol(Al)+cmol(B)+cmol(P)+cmol(Ti))) is higher than 3.55. Upon chemical toughening, the linear dimension variation in the unit of percentage (V1) is so low that the overall geometry variation (OGV) calculated as (DoL/t)/V1 is higher than 0.8. DoL is the total depth of all ion-exchange layers on one side of the glass and DoL is more than 1 ?m, when the glass is chemically toughened with NaNO3 only, KNO3 only or with both KNO3 and NaNO3.

Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.

Abstract: This invention relates to a parameter detection system, an infrared band pass filter, and a glass substrate for the infrared band pass filter as well as a method for detecting parameters. The system, filter and substrate of this invention may be used in a number of devices, including smart phones, portable computers, computer watches, tablet computers, gaming devices, TV sets, personal computers, intercommunication systems, home automation systems, automotive security systems, 3D imaging systems, gesture control systems, touch sensors, fingerprint sensors, diagnostic systems, gaming devices, interactive displays, 3D sensing systems, home appliances, display devices, iris recognition systems and others. The system, filter and substrate of this invention may be used for a number of purposes including but not limited to iris recognition, 3D scanning, interactive display, biometric detection or measurement of biometric data, gesture control, gaming, fingerprint detection.

Abstract: An optical arrangement for a camera module with an image sensor is provided. The optical arrangement includes optical components having a transparent cover element; an infrared absorbing cut-off filter; and an optical lens. The optical components are arranged, along an incident optical beam path going through the optical components onto the image sensor, in a sequence through the transparent cover element, then the infrared absorbing cut-off filter, and then the optical lens.

Abstract: An ultrathin glass article has a thickness of less than or equal to 0.5 mm. The glass has a low TTV and a large threshold diffusivity. The glass has a working point T4 of more than 1100° C. and a linear thermal expansion coefficient CTE of more than 6*10?6/° C. in the temperature range between 25° C. and 300° C. A method for producing the article as well as the use of the article is also provided. The glass article can be chemically strengthened and forms surface compressive stress layers on surfaces and center tension layer in the center. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance which makes it easier to handle for processing.

Abstract: A low CTE boro-aluminosilicate glass having a low brittleness for use in wafer-level-packaging (WLP) applications is disclosed. The glass comprises a composition in mol-% of SiO2: 60-85, Al2O3: 1-17, B2O3: 8-20, Na2O: 0-5, K2O: 0-5, MgO: 0-10, CaO: 0-10, SrO: 0-10, and BaO: 0-10. An average number of non-bridging oxygen per polyhedron (NBO) is equal to or larger than ?0.2 and a ratio B2O3/Al2O3 is equal to or larger than 0.5. The NBO is defined as NBO=2×Omol/(Simol+Almol+Bmol)?4. A glass carrier wafer made from the low CTE boro-aluminosilicate glass and a use thereof as a glass carrier wafer for the processing of a silicon substrate are also disclosed, as well as a method for providing a low CTE boro-aluminosilicate glass.

Abstract: This invention relates to a parameter detection system, an infrared band pass filter, and a glass substrate for the infrared band pass filter as well as a method for detecting parameters. The system, filter and substrate of this invention may be used in a number of devices, including smart phones, portable computers, computer watches, tablet computers, gaming devices, TV sets, personal computers, intercommunication systems, home automation systems, automotive security systems, 3D imaging systems, gesture control systems, touch sensors, fingerprint sensors, diagnostic systems, gaming devices, interactive displays, 3D sensing systems, home appliances, display devices, iris recognition systems and others. The system, filter and substrate of this invention may be used for a number of purposes including but not limited to iris recognition, 3D scanning, interactive display, biometric detection or measurement of biometric data, gesture control, gaming, fingerprint detection.

Abstract: A chemically toughened ultrathin glass is provided. The glass has a thickness less than 500 ?m and a surface compressive layer having a depth of at most 30 ?m. The toughened ultrathin glass sheet is more flexible and has extraordinary thermal shock resistance with the glass being easier to handle for processing.