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| 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 |
| 20110175018 | POLISHING LIQUID AND POLISHING METHOD - The present invention relates to a polishing slurry including: a colloidal silica having an average particle size of 40 nm or more; water; and a ζ potential adjusting component, in which (1) the ζ potential adjusting component includes at least one sodium salt selected from the group consisting of sodium nitrate and sodium sulfate, and the polishing slurry has a pH of 8 or more, or (2) the ζ potential adjusting component includes at least one water-soluble organic polymer selected from the group consisting of a water-soluble polyether polyamine and a water-soluble polyalkylene polyamine and at least one acid selected from the group consisting of hydrochloric acid, sulfuric acid, nitric acid, nitrous acid and amidosulfuric acid, and the ζ potential adjusting component contains the acid at a ratio of from 0.6 to 1.4 to the water-soluble organic polymer in terms of molar ratio, and the polishing slurry has a pH of 8 or more. | 07-21-2011 |
| 20110268994 | GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM, POLISHING COLLOIDAL SILICA SLURRY FOR MANUFACTURING THE SAME AND INFORMATION RECORDING MEDIUM - The present invention relates to a colloidal silica slurry used in a method for manufacturing a glass substrate for an information recording medium, the method including: a lapping step of lapping a main surface of a circular glass plate; a subsequent cerium oxide polishing step of polishing the main surface of the circular glass plate with a slurry containing a cerium oxide abrasive; and a colloidal silica polishing step of polishing the main surface of the circular glass plate with a slurry containing a colloidal silica abrasive after the cerium oxide polishing step, in which the colloidal silica abrasive has a BET average particle size determined by a BET specific surface area measuring method of 40 nm or less, and a smoothness index represented by a ratio (BET average particle size (nm)/Circularity) of the BET average particle size and a circularity indicated by 4·π·S/L | 11-03-2011 |
| 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 |
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| 20100030364 | Automatic Thin-Section Slides Manufacturing System and Automated Thin-Section Slides Manufacturing Method - An automatic thin-section slides manufacturing system which reduces the burden of operators and automatically manufactures required number of thin section slide samples from plural embedded blocks while completely relating the manufactured thin section slide samples to the original embedded blocks to enable quality control at high precision, which comprises: a first transportation unit which is capable of transporting an arbitrarily selected embedded cassette from the plural embedded cassettes to the cutting position; a cutting unit which, after the embedded cassette is transported to the cutting position, cuts the embedded block to provide sheet-like thin sections at a predetermined thickness; a readout unit which reads out the individual data when the embedded cassette is transported to the cutting position; a flattening unit for flattening the thin section, which comprises a storage tank containing a liquid stored therein; a second transportation unit which transports the thin sections cut out by the cutting unit to the storage tank and sets them a float on the liquid surface; a transfer unit which prepares the thin section slide samples by transferring the thin section flattened in the flattening unit onto a substrate; a control unit which comprises a memory part for memorizing the individual data read out by the readout unit; and a recording unit which records the memorized individual data on the substrate upon receiving a command from the control unit. | 02-04-2010 |
| 20100229702 | Automatic Prepared Slide Fabricating Apparatus and Automatic Prepared Slide Fabricating Method - To enable to alleviate a burden on an operator and fabricate automatically an optimum and high quality prepared slide in accordance with a kind of an embedding block, there is provided an automatic prepared slide fabricating apparatus including first carrying means capable of carrying an embedding cassette to a cut position, cutting means for cutting out a section in a sheet-like shape by cutting an embedding block by a predetermined thickness after having been carried to the cut position, elongating means for elongating the section, second carrying means for carrying the cut section to the elongating means, transcribing means for transcribing the elongated section onto a board to fabricate a prepared slide, and controlling means for respectively controlling the respective means and having a condition table previously inputted with a fabricating condition in fabricating the prepared slide, in which the controlling means controls the respective means such that the embedding cassette carried by the first carrying means is checked with the fabricating condition inputted to the condition table, thereafter, fabricated by the condition in accordance with the embedding cassette. | 09-16-2010 |
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| 20080202308 | AUTOMATIC THIN-SECTION MANUFACTURING SYSTEM - An automatic thin-section manufacturing system for manufacturing thin sections by thinly cutting out an embedded block having embedded therein a biological sample while setting said embedded block at a predetermined rake angle, and said system comprising: a long cutting blade having a cutting edge on one end; a holder disposed in such a manner that it makes the rake angle with respect to the surface of the embedded block; a mounting plane which is provided to the front end of the holder, on which plural cutting blades are mounted and aligned with their cutting edges exposed to the outer side; an adsorptive member provided along the mounting plane, which maintains the posture of the cutting blades by adsorbing the base end side of the cutting blades mounted on the mounting plane; a first pressing member provided to the holder, which presses, among the plural cutting blades that are mounted and aligned on the mounting plane, the cutting blade allocated to the predetermined position against the mounting plane; a conveyor unit which slides out the cutting blades that are linearly aligned on the mounting plane, by sequentially conveying the plural cutting blades to feed them one by one on the mounting plane; a transportation unit which moves the embedded block relative to the holder, such that the cutting blade pressed by the first pressing member cuts out the thin section from the embedded block; and a control unit which, after performing thin sectioning for a predetermined time, exchanging the cutting blade used for the thin sectioning by operating the conveyor unit to slide out the cutting blades. | 08-28-2008 |
| 20100050839 | THIN-SECTION MANUFACTURING APPARATUS - To provide a thin-section manufacturing apparatus capable of firmly receiving and transferring a thin-section made by sectioning an embedded block by bringing a transfer belt into a wet state, a thin-section manufacturing apparatus | 03-04-2010 |
| 20100279342 | THIN-SECTION SLIDES MANUFACTURING APPARATUS AND METHOD FOR MANUFACTRING THIN-SECTION SLIDES - A thin-section slide-sample manufacturing apparatus and a method for manufacturing a thin-section slide sample by cutting out a thin section from an embedded block, transporting the thin section on a conveyor unit, transferring and mounting the thin section on a substrate, the thin-section slide-sample manufacturing apparatus including: a relay having a fixing plane onto which the thin section is fixed detachable; a rotating transportation unit which moves the relay between the conveyor unit and the substrate; and a control unit which moves the relay to the conveyor unit by using the rotating transportation unit, which moves the relay to the substrate where the thin section is detached and transferred to the substrate; wherein, the control unit rotates the relay according to the preliminarily set fixing plane and the relative position of the thin section around a rotation axis provided orthogonal to the fixing plane by using the rotating transportation unit. | 11-04-2010 |
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| 20090129456 | RECEIVER WITH MULTIPLE ANTENNAS AND METHOD OF RECEIVING SIGNALS - Provided are a multiple antenna receiver and a method of receiving a signal. A multiple antenna receiver includes a plurality of antennas to receive a plurality of received symbols, a QR decomposition unit to perform QR decomposition for a channel matrix, a Q-received symbol generator to generate Q-received symbols corresponding to the plurality of antennas, a subtractor to remove a component corresponding to at least one neighbor symbol from a target received symbol corresponding to one of the Q-received symbols, an adder to add a signal component to the target received symbol, a first FDE to perform frequency domain equalization for an output of the subtractor, and a second FDE to perform frequency domain equalization for an output of the adder. | 05-21-2009 |
| 20090196332 | COOPERATIVE COMMUNICATION SYSTEM AND METHOD USING THE SAME - A cooperative communication system and method is provided. A cooperative communication relay station includes a signal receiving unit which receives a source signal from a source node and a multiple relaying signal relayed by a neighboring relay station, a signal generation unit which generates a first relay signal and a second relay signal, the first relay signal being generated by performing a decode-and forward scheme with respect to the multiple relaying signal and the second relay signal being generated by performing an amplify-and-forward scheme with respect to the source signal, and a signal transmission unit which transmits the first relay signal and the second relay signal to a destination node. | 08-06-2009 |
| 20100117904 | MULTI-ANTENNA SIGNAL RECEIVING DEVICE PROCESSING MULTI-PATH INTERFERENCE - Described herein is a multi-antenna signal receiving device that includes a plurality of reception antennas that is capable of maximizing a diversity gain while eliminating a multi-path interference (MPI). The device receives a first received signal of a first antenna that includes components corresponding to a plurality of first paths and the device receives a second received signal of a second antenna that includes components corresponding to a plurality of second paths. The multi-antenna signal receiving device detects a component corresponding to a first path among the plurality of first paths, and a component corresponding to a second path among the plurality of second paths. | 05-13-2010 |
