77results about How to "Improve glass strength" patented technology

Apparatus, systems and methods for increasing the strength of glass are disclosed. The use of multi-bath chemical processing for a glass article can facilitate controlled chemical strengthening. Through multi-bath (or multi-step) chemical processing, differing levels of strengthening can be achieved for different portion of glass articles. The multi-bath chemical processing can be achieved through the use of successive chemical baths. Accordingly, glass articles that have undergone multi-bath chemical processing are able to be not only thin but also sufficiently strong and resistant to damage. The strengthened glass articles are well suited for use in consumer products, such as consumer electronic devices (e.g., portable electronic devices). In one embodiment, the glass member can pertain to a glass cover for a housing of an electronic device.

Disclosed herein are methods for strengthening glass articles having strength-limiting surface flaws, together with strengthened glass articles produced by such methods, and electronic devices incorporating the strengthened glass articles. The methods generally involve contacting the glass articles with a substantially fluoride-free aqueous acidic treating medium for a time at least sufficient to increase the rupture failure points of the glass articles.

A glass ceramic composition is provided which can be fired at a temperature of 1,000° C. or less to form a sintered body having a low relative dielectric constant, a small temperature coefficient of resonant frequency, a small change in capacitance before and after a loading test, a high Qf value, high electrical insulating reliability, and a high flexural strength. A glass ceramic composition forming glass ceramic layers laminated to each other in a multilayer ceramic substrate is also provided. The glass ceramic composition includes a first ceramic powder containing forsterite as a primary component; a second ceramic powder containing SrTiO₃ and/or TiO₂ as a primary component; a third ceramic powder containing BaZrO₃ as a primary component; a fourth ceramic powder containing SrZrO₃ as a primary component; and a borosilicate glass which contains Li₂O, MgO, B₂O₃, SiO₂, and ZnO, and also which contains at least one of CaO, BaO, and SrO.

An organic light emitting diode (OLED) display device and method of fabrication that includes a substrate having a device region, an outer dam region and an encapsulation region. The encapsulation region includes an inner dam region, an outer dam region and an encapsulation region that correspond to the device region. An encapsulation agent is formed in the encapsulation region of the encapsulation substrate, and filling dams are formed of the same material in the outer dam region and the inner dam region of the encapsulation substrate.

Apparatus, systems and methods for improving strength of a thin glass member for an electronic device are disclosed. In one embodiment, the glass member can be strengthened chemically using a monitored ion exchange process in which the glass member is disposed in a glass ion exchange bath. In one embodiment, the glass member can pertain to a cover glass for housings of electronic devices.

This invention provides a protective sheet for glass etching, having excellent etching solution penetration resistance, non-contaminating property and peeling efficiency. The protective sheet comprises a substrate and a PSA layer provided on one face of the substrate, such that, when the protective sheet is adhered to a non-etching area when etching glass, it protects the non-etching area from an etching solution. The PSA layer is constituted with a PSA having a gel fraction of 60% or higher. The PSA is an acrylic PSA comprising an acrylic polymer as a primary component. The acrylic polymer is synthesized by polymerizing starting monomers comprising, as a primary monomer, a monomer represented by a formula: CH₂═CR¹COOR² (R¹ is a hydrogen atom or a methyl group, and R² is an alkyl group). The primary monomer comprises as a primary component a monomer with R² being an alkyl group having 6 or more carbons.

A glass housing includes an inner surface; an outer surface opposite to the inner surface; and a circumferential surface interconnecting the outer surface and the inner surface, wherein a distance between the inner surface and the outer surface ranges from 0.2 mm to 1 mm, each of the inner surface and the outer surface includes a planar portion and two curved portions extending outwardly from opposite edges of the planar portion toward a side of the inner surface, the curved portion is an arc surface having a radius of curvature ranging from 5 mm to 50 mm. The present disclosure further provides a manufacturing device and manufacturing method of manufacturing the glass housing.

The invention discloses an environmentally-friendly hot-melt pressure sensitive adhesive. The environmentally-friendly hot-melt pressure sensitive adhesive is prepared from, by weight, 25-35 parts ofa thermoplastic elastomer, 28-36 parts of modified petroleum resin, 6-10 parts of natural tackifying resin, 12-20 parts of a plasticizer, 2-3 parts of a modifying filler, 0.2-0.3 part of a coupling agent and 0.2-0.3 part of an antioxidant. The present invention also discloses preparation method of the hot-melt pressure sensitive adhesive. The thermoplastic elastomer is used as a matrix for the hot-melt pressure sensitive adhesive, the modified petroleum resin and the natural tackifying resin are used as tackifying resins, and no organic solvent is needed, so the raw materials are safe and environmentally friendly; the petroleum resin is modified, so the compatibility of the petroleum resin and the thermoplastic elastomer is improved, and the thermal stability of the hot-melt pressure sensitive adhesive is improved; and the reinforcing effect of the modifying filler improves the initial viscosity, the glass strength and the thermal stability of the hot-melt pressure sensitive adhesive are improved, so the environmentally-friendly hot-melt pressure sensitive adhesive with excellent performances is prepared.

A glass substrate for a CIGS solar cell containing specific amounts of SiO₂, Al₂O₃, B₂O₃, MgO, CaO, SrO, BaO, ZrO₂, TiO₂, Na₂O and K₂O, respectively. The glass substrate satisfies the specific requirements regarding MgO+CaO+SrO+BaO, Na₂O+K₂O, MgO/Al₂O₃, (2Na₂O+K₂O+SrO+BaO)/(Al₂O₃+ZrO₂), Na₂O/K₂O, the relation of Al₂O₃ and MgO, and the relation of CaO and MgO, respectively. The glass substrate has a glass transition temperature of 640° C. or higher, an average coefficient of thermal expansion within a range of 50 to 350° C. of 70×10⁻⁷ to 90×10⁻⁷/° C., the temperature (T₄) of 1,230° C. or lower, the temperature (T₂) of 1,650° C. or lower, and a density of 2.7 g/cm³ or less. The glass substrate satisfies the relationship of T₄−T_L≧−30° C.

The invention discloses safety energy-saving hollow glass, which comprises an internal layer of glass and an external layer of glass between which a cavity is kept; a coating film with the function of heat insulation and preservation is arranged outside the external layer glass; coating films with the functions of enhancing glass strength are arranged inside the external layer of glass and outside the internal layer of glass, insulating sound wave and filtering ultraviolet rays; and a coating film with the functions of absorbing, purifying and decomposing indoor radioactive and poisonous gases is arranged inside the internal layer of glass. The structure of the invention has the functions of obviously improving heat insulation and preservation property, increasing anti-seismic and anti-impact intensity, purifying indoor air, and absorbing, purifying, and decomposing radioactive gas radon, volatilizing gases of methyl aldehyde, benzene and methylbenzene, and bacterial viruses in building decoration materials.

The invention discloses a composite packaging adhesive film for a solar packaging material. The composite packaging adhesive film is composed of an ethylene vinyl acetate (EVA) adhesive film layer anda polyolefin elastomer (POE) adhesive film layer, and the EVA adhesive film layer is prepared from the following raw materials in parts by weight: 100 parts of EVA resin, 0.5-1.6 parts of a compositecross-linking agent, 0.5-1 part of a co-crosslinking agent, 0.05-0.2 part of an ultraviolet absorbent, 0.03-0.1 part of an antioxidant and 0.1-0.5 part of a tackifier, wherein the composite cross-linking agent comprises a peroxide and an crosslinking control agent. The invention further discloses a preparation method of the composite packaging adhesive film for the solar packaging material, and the preparation method comprises the following steps: melt extrusion of POE resin, melt extrusion of EVA resin and co-extrusion. According to the composite packaging adhesive film disclosed by the invention, the problems of bubbles and too low gel content of a cured film are solved, and meanwhile, the composite packaging adhesive film has the characteristics of good light transmittance and high glass strength. The preparation method can meet the requirements of process stability, laminating process stability and cross-linking curing efficiency during film preparation by casting at a same time.

The invention relates to a manufacturing process of a touch screen bonding part. The bonding part is formed by bonding conductive glass and a conductive film. A touch screen uses a small bonding part, and a large bonding part contains a plurality of uncut small bonding parts. Fittings; in the process of making the fittings, the edging equipment is used to grind the cutting surface of each edge of the conductive glass in the small fittings into a frosted curved surface. The touch screen laminating part produced by the invention avoids the problems of stress concentration points and poor drop resistance in the cut surface of the ITO conductive glass substrate in conventional laminating parts. After the touch screen is made by using the invention, the stress when the touch screen falls can be effectively dispersed, and the qualified rate of products in the production of the touch screen can be improved. At the same time, because no strengthened glass substrate is used, the production cost is greatly reduced.

The invention especially relates to a preparation method of high borosilicate glass for solar photovoltaic batteries. The method comprises the following steps: 1, batch preparation: adding a rare earth element additive to present high borosilicate glass, wherein visible light is formed through converting infrared light and ultraviolet light by a conversion luminescence effect through applying an up-conversion luminescence principle, and illuminates; the rare earth additive is simultaneously used as a clarificant, a color complementation agent and a conversion luminescence couplant to improve the visible light transmittance of glass; and rare earth element borate glass has a high refractive index and a low chromatic dispersion, and is novel optical glass; 2, glass melting: carrying out high temperature melting of the glass batch in an electric melting furnace to form molten glass, carrying out clarification homogenizing, and cooling to form liquid glass; and 3, mechanical shaping: processing the liquid glass through adopting a float process production technology to form flat glass. The glass prepared through the method provided by the invention has a high visible light transmittance, and can be used as a glass matrix material and a packaging material for the solar photovoltaic batteries.

A glass structure, such as a mirror facet, having a glass member, a composite structure and a support structure. The composite structure includes a rigid interlayer which is bonded to the glass member and exerts a compressive force thereon to place the glass member in compression. The support structure is used to mount the glass structure and prevents the glass member from collapsing due to the compressive force exerted by the rigid interlayer. The glass structure is particularly well adapted for use in forming heliostats, parabolic dishes, trough concentrators, or other like elements for use in solar power systems, and does not suffer from the limitations or prior forms of such devices.

A technical object of the present invention is to devise a glass substrate that is suitable for supporting a substrate to be processed to be subjected to high-density wiring and enables correct recognition of production information and the like, and a laminate using the glass substrate. In order to achieve the technical object, the glass substrate of the present invention has a total thickness variation of less than 2.0 μm and includes an information identification part formed of a plurality of dots.

A technical object of the present invention is to devise a glass sheet that facilitates position alignment with a substrate to be processed and is less liable to be broken during conveyance, or processing treatment of the substrate to be processed, to thereby contribute to an increase in density of a semiconductor package. In order to achieve the technical object, the glass sheet of the present invention includes, in a contour thereof: a contour portion; and a position alignment portion, in which all or part of an end edge region of the position alignment portion where a surface thereof and an end surface thereof intersect is chamfered.

The invention discloses a special formula for a lightweight glass packaging material. The lightweight glass packaging material is prepared from the following raw materials in parts by weight: 900-1100 parts of quartz sand, 110-150 parts of lepidolite, 260-360 parts of soda, 260-360 parts of limestone, 4000-4300 parts of cullet, 18-22 parts of barite, 4-7 parts of chromite ore powder, 28-32 parts of anhydrous sodium sulfate, 17-21 parts of sodium fluosilicate, 0.8-1.2 parts of chrome green and 0.8-1.2 parts of carbon powder. According to the special formula disclosed by the invention, with sodium-calcium-silicate glass as a basic skeleton, alumina, magnesium oxide and barium oxide are auxiliary filled, and a part of sodium oxide is replaced by lithia and potassium oxide, so that the structure is ensured to be stable, and the strength of the glass is strengthened; by virtue of the evenness of a batch of above 95.8 percent, a lightweight bottle (L=0.44*bottle weight/brimful capacity (0.81)), produced by the special formula, with the lightweight degree to be small than or equal to 1 has the impact resistance to be larger than or equal to 0.4J, the internal pressure resistance to be larger than or equal to 1.4MPa and the vertical load to be larger than or equal to 4000N and exceeds the European standard.