Patent application number | Description | Published |
20090110963 | GLASS FOR INFORMATION RECORDING MEDIA SUBSTRATE, GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK - To provide a glass for an information recording media substrate, which is excellent in weather resistance. | 04-30-2009 |
20100137122 | GLASS COMPOSITION FOR SUBSTRATES AND PROCESS FOR ITS PRODUCTION - A glass composition for substrates excellent in productivity is provided by lowering the high temperature viscosity while securing characteristics and quality required for FPD substrates, particularly for PDP substrates. A glass composition for substrates, which is characterized by comprising, as represented by mass% based on oxides, from 55 to 75% of SiO | 06-03-2010 |
20100210443 | GLASS COMPOSITION FOR SUBSTRATES - A glass composition for substrates having good polishability while securing characteristics for FPD substrates, especially for PDP substrates, from which a glass substrate having excellent polishing workability and productivity can be obtained, is provided. | 08-19-2010 |
20100330396 | GLASS FOR INFORMATION RECORDING MEDIA SUBSTRATE, GLASS SUBSTRATE FOR MAGNETIC DISK AND MAGNETIC DISK - To provide a glass for an information recording media substrate, which is excellent in weather resistance. | 12-30-2010 |
20110008649 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME, AND MAGNETIC RECORDING MEDIUM - The present invention relates to a method for manufacturing a glass substrate for information recording medium, the method including: a lapping step of lapping a circular glass plate made of an alkali aluminosilicate glass; and a subsequent cerium oxide polishing step of polishing the circular glass plate with a slurry containing a cerium oxide abrasive, in which a difference (SiO | 01-13-2011 |
20110135963 | METHOD FOR MANUFACTURING GLASS SUBSTRATE FOR DATA STORAGE MEDIUM AND GLASS SUBSTRATE - The present invention relates to a method for manufacturing a glass substrate for data storage mediums, the method including a chemical strengthening treatment step of dipping a glass for a substrate including, in terms of mol % on the basis of oxides, from 58 to 66% of SiO | 06-09-2011 |
20120141668 | METHOD FOR PRODUCING MAGNETIC DISK, AND GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM - To provide a method for producing a magnetic disk, whereby a magnetic recording layer is formed at a high temperature. A method for producing a magnetic disk, which comprises a step of forming a magnetic recording layer on a glass substrate having a temperature of at least 550° C., wherein the glass substrate comprises, as represented by mol percentage, from 62 to 74% of SiO | 06-07-2012 |
20120244388 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIA, PROCESS FOR ITS PRODUCTION, AND MAGNETIC RECORDING MEDIUM - A process for producing a glass substrate for information recording media, comprising lapping a glass disk made of low alkali aluminosilicate glass that contains no alkali metal oxide or contains alkali metal oxides in a total amount of less than 4 mol %, and subsequently polishing the glass disk by using a slurry that contains cerium oxide abrasives, characterized by cleaning the glass disk by using a cleaning liquid that contains sulfuric acid at a concentration of from 20 mass % to 80 mass % and hydrogen peroxide at a concentration of from 0.5 mass % to 10 mass % at a liquid temperature of from 50° C. to 100° C., and thereafter polishing the main surface of the glass disk, by using a slurry that contains colloidal silica abrasives. | 09-27-2012 |
20130011650 | GLASS FOR CHEMICAL TEMPERING AND GLASS PLATE FOR DISPLAY DEVICE - To provide glass to be used for chemically tempered glass which is hardly broken even when flawed. | 01-10-2013 |
20130233386 | GLASS SUBSTRATE FOR CU-IN-GA-SE SOLAR CELLS AND SOLAR CELL USING SAME - A glass substrate for a Cu—In—Ga—Se solar cell. The glass substrate contains specific oxides with the specific amounts, respectively. The glass substrate has a glass transition temperature of from 650 to 750° C., an average coefficient of thermal expansion within a range of from 50 to 350° C. of from 75×10 | 09-12-2013 |
20130306145 | GLASS SUBSTRATE FOR CU-IN-GA-SE SOLAR CELL AND SOLAR CELL USING SAME - A glass substrate for a CIGS solar cell containing specific amounts of SiO | 11-21-2013 |
20140209169 | GLASS SUBSTRATE FOR CdTe SOLAR CELL, AND SOLAR CELL - A glass substrate for a CdTe solar cell includes a base composition includes, in terms of mol % on a basis of following oxides: from 60 to 75% of SiO | 07-31-2014 |
20140370264 | DISPLAY COVER GLASS AND DISPLAY COVER GLASS FABRICATION METHOD - The present invention provides a cover glass for a display, having high durability to slow cracking and strong abraded strength even though a compressive stress is large and a depth of a compressive stress layer is deep. The present invention relates to a cover glass for a display, in which a depth of a compressive stress layer (DOL) is 30 μm or more, a surface compressive stress is 300 MPa or more, a position (HW) at which a compressive stress is half of a value of the surface compressive stress is a position of 8 μm or more from a glass surface, and the depth of the compressive stress layer (DOL) and the position (HW) at which the compressive stress is half of the value of the surface compressive stress satisfy the following formula: | 12-18-2014 |