| Patent Number |
Title Of Patent |
Date Issued |
| 7426174 |
Information recording medium having pair of electrodes |
September 16, 2008 |
| Disclosed herewith is a method for enabling fast and high density recording of information. A voltage is applied to a recording layer formed between a pair of electrodes. The distance between the pair of electrodes is set wider at one of land and groove areas of a subject optical dis |
| 7417933 |
Information recording method and apparatus with suppressed mark edge jitters |
August 26, 2008 |
| Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording |
| 7351460 |
Information recording medium, information recording device, and information recording method |
April 1, 2008 |
| An information recording medium includes an insulating member, first and second electrodes formed in one plane of the insulating member, and a conductive layer having an electrochromic material providing continuity with the first and second electrodes. A gap between the first and second |
| 7349319 |
Information recording apparatus, recording media and recording method |
March 25, 2008 |
| An information recording apparatus includes a multilayer information recording medium having a first layer containing an electro-chromic material, an electrode layer applying a voltage to the first layer to color the first layer, a second layer containing an electro-chromic material, |
| 7341892 |
Semiconductor memory cell and method of forming same |
March 11, 2008 |
| A semiconductor memory cell and forming method thereof utilizes a vertical select transistor to eliminate the problem of a large cell surface area in memory cells of the related art utilizing phase changes. A memory cell with a smaller surface area than the DRAM device of the related art |
| 7335907 |
Memory device |
February 26, 2008 |
| A phase change memory device is provided which is constituted by memory cells using memory elements and select transistors and having high heat resistance to be capable of an operation at 140 degrees or higher. As a device configuration, a recording layer of which, of Zn--Ge--Te, content |
| 7324372 |
Storage device |
January 29, 2008 |
| The object of the invention is to avoid an unselected data line being driven in a memory array composed of memory cells each of which uses a storage element depending upon variable resistance and a selection transistor when the selection transistors in all memory cells on a selected |
| 7286153 |
Three-dimensional recording and reproducing apparatus |
October 23, 2007 |
| In a three-dimensional recording and reproducing apparatus having a recording medium including a plurality of recording layers stacked on a substrate and an optical system for converging a light irradiated from the substrate side on each of the plurality of recording layers to three- |
| 7263053 |
Information recording method and information recording apparatus |
August 28, 2007 |
| An information recording method and information recording apparatus is capable of resolving the trade-off relation between recording density and transmittance, wherein either the reproduction (playback) signal quality or the recording sensitivity is lowered. For this purpose, a voltage i |
| 7247357 |
Image display device |
July 24, 2007 |
| The image display device has a display section formed of plural pixels and a control section which controls the display section, and is provided with nonvolatile phase-change type pixel memories in respective ones of the pixels, or is provided with a nonvolatile phase-change type frame |
| 7229709 |
Method for producing nanoparticle layer having uniform easy axis of magnetization, magnetic reco |
June 12, 2007 |
| The magnetic recording medium provided is produced by forming a substrate having a nanoparticle layer comprising an array of nanoparticles, and an organic compound between said array of nanoparticles; irradiating the nanoparticle layer with an infrared beam to magnetize the nanoparticles |
| 7169334 |
Optical information recording medium |
January 30, 2007 |
| A compound constructed by N (N is an integer of 2 or more) kinds of phases containing at least one kind of elements selected from a group consisting of Co, Ti, V, Cr, Mn, Fe, Ni, Si, Pb, Bi and Al. At least one kind to (N-1) kinds among the N kinds of phases are continuous phases, and th |
| 7154842 |
Optical reproducing method for optical medium with aligned prepit portion |
December 26, 2006 |
| A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, which prepit portion includes first and second prepit portions divided in a track direction. A prepit of the respe |
| 7123535 |
Semiconductor integrated circuit device |
October 17, 2006 |
| In a non-volatile phase change memory, information is recorded by utilizing a change in resistance of a phase change portion. When the phase change portion is allowed to generate Joule's heat and is held at a specific temperature, it goes into a state of a low resistance. When the ga |
| 7116593 |
Storage device |
October 3, 2006 |
| The object of the invention is to avoid an unselected data line being driven in a memory array composed of memory cells each of which uses a storage element depending upon variable resistance and a selection transistor when the selection transistors in all memory cells on a selected |
| 7099263 |
Optical reproducing method for optical medium with aligned prepit portion |
August 29, 2006 |
| A recording method for an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, wherein the prepit portion includes first and second prepit portions divided in a track direction. A prepit of the respective first and second |
| 7092350 |
Optical reproducing method for optical medium with aligned prepit portion |
August 15, 2006 |
| A reproducing method for reproducing information from an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a bo |
| 7092349 |
Optical reproducing method optical medium with aligned prepit portion |
August 15, 2006 |
| A recording method for an optical recording medium having grooves and lands alternately provided in a radial direction and having information recording areas formed thereon, and at least one prepit region where a groove is not formed. In the prepit region, first and second information |
| 7085222 |
Optical reproducing method for optical medium with aligned prepit portion |
August 1, 2006 |
| A reproducing method for reproducing information recorded on an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged |
| 7082098 |
Optical reproducing method for optical medium with aligned prepit portion |
July 25, 2006 |
| A recording method for an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including a first and a second prepit portion divided in a track direction with respective first and second prepit portions being arrange |
| 7079478 |
Optical reproducing method for optical medium with aligned prepit portion |
July 18, 2006 |
| A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a bound |
| 7078273 |
Semiconductor memory cell and method of forming same |
July 18, 2006 |
| A semiconductor memory cell and forming method thereof utilizes a vertical select transistor to eliminate the problem of a large cell surface area in memory cells of the related art utilizing phase changes. A memory cell with a smaller surface area than the DRAM device of the related art |
| 7072288 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction, and a prepit of respec |
| 7072287 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A reproduction apparatus for reproducing information recorded on an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction, and a synchronous |
| 7072286 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A reproduction apparatus for reproducing information recorded on an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction, the respective first |
| 7072282 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording apparatus for recording information to an optical recording medium having grooves and lands alternately provided in a radial direction, information recording areas being formed in both of the grooves and the lands, and at least one prepit region where a groove is not form |
| 7072281 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording method for an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, and the prepit portion including first and second prepit portions divided in a track direction wit a synchronous information prepit of the respective first |
| 7072280 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording method for an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, wherein the prepit portion includes first and second prepit portions divided in a track direction, and wherein a prepit of the respective firs |
| 7072279 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording apparatus for recording information to an optical recording medium having grooves and lands alternately provided in a radial direction, information recording areas being formed in both of the grooves and the lands, and at least one prepit region where no grooves is formed |
| 7072278 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording apparatus for recording information to an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction, the prepit portion including first and second prepit portions divided in a track direction and arranged on a bound |
| 7072277 |
Optical reproducing method for optical medium with aligned prepit portion |
July 4, 2006 |
| A recording method for an optical recording medium having grooves and lands alternately provided in a radial direction and information recording areas formed thereon, and at least one prepit region where a groove is not formed. In the prepit region, first and second information marks |
| 7071485 |
Semiconductor integrated circuit device |
July 4, 2006 |
| With a high-speed nonvolatile phase change memory, reliability in respect of the number of refresh times is enhanced. In a memory cell forming area of a phase change memory using a MISFET as a transistor for selection of memory cells, a phase change material layer of a memory cell compri |
| 7068587 |
Method for reproducing information data from a recording medium having dummy data shifted at ran |
June 27, 2006 |
| An optical reproducing method adds a dummy signal to at least a leading or trailing side of a recording signal recorded on an information recording medium. The duty ratio of the dummy signal is not greater than 50%, and the recording start position of the combined recording signal and du |
| 7042823 |
Information recording method and apparatus with suppressed mark edge jitters |
May 9, 2006 |
| Recording information is disclosed in which an information recording medium is irradiated with a recording energy beam that is power-modulated into at least a record power level and a record-ready power level lower than the record power level. The information is recorded on the recording |
| 7012871 |
Information recording method and apparatus with suppressed mark edge jitters |
March 14, 2006 |
| A method for recording information is disclosed in which an information recording medium is irradiated with a recording energy beam power-modulated into at least a record power level and a record-ready power level lower than the record power level. When forming a mark portion of a pr |
| 6996054 |
Optical reproducing method for optical medium with aligned prepit portion |
February 7, 2006 |
| An optical reproducing method using an optical recording medium having an aligned prepit portion straddled on a plurality of tracks in a radial direction which includes a first and a second prepit portion divided in a track direction. The respective first and second prepit portion are |
| 6977883 |
Information recording medium having pair of electrodes |
December 20, 2005 |
| Disclosed herewith is a method for enabling fast and high density recording of information. A voltage is applied to a recording layer formed between a pair of electrodes. The distance between the pair of electrodes is set wider at one of land and groove areas of a subject optical disk an |
| 6956806 |
Information recording medium, information recording method and information recording apparatus |
October 18, 2005 |
| A recording medium having a dummy signal area on at least one side of a recording area is used and information is recorded with a dummy signal added to at least one of the leading and trailing sides in the recorded information signal. The user data area remains unaffected by repeated |
| 6954941 |
Information recording medium and information recording device |
October 11, 2005 |
| This invention relates to an information-recording medium that is used for recording information through radiation of energy beam. The information recording medium has a groove-shaped information recording track and is provided with a recording layer, one or more kinds of heat sink contr |
| 6946704 |
Semiconductor memory cell and method of forming same |
September 20, 2005 |
| A semiconductor memory cell and forming method thereof utilizes a vertical select transistor to eliminate the problem of a large cell surface area in memory cells of the related art utilizing phase changes. A memory cell with a smaller surface area than the DRAM device of the related art |
| 6944117 |
Information recording medium and information recording device |
September 13, 2005 |
| An information recording medium capable of high-density recording and accurate reproduction and also capable of repeated recording and reproduction, an information recording device that employs the information recording medium has a Co--Si oxide thin film 1 constructed such that colu |
| 6854126 |
Information recording medium with SiO2-In2O3-SnO2-ZnS protective layer |
February 8, 2005 |
| In an information recording medium, a first protective layer, a recording film, a second protective layer and a reflective layer are provided on a substrate sequentially from a side where light is irradiated, the first protective layer having a film thickness of 2 nm to 25 nm. 95 atomic |
| 6845081 |
Optical reproducing method for optical medium with aligned prepit portion |
January 18, 2005 |
| An optical reproducing method using an optical medium having an aligned prepit portion straddled on a plurality of tracks in a radius direction. The prepit portion includes a first and second prepit portion divided in a track direction with a gap therebetween and with a synchronous infor |
| 6844092 |
Optically functional element and production method and application therefor |
January 18, 2005 |
| The object of the present invention is to provide an optically functional element having a large change in refractive index with temperature change and a fast change rate in refractive index, a production method for the same and optical switch, temperature sensor and optical information |
| 6842415 |
Information recording method and apparatus with suppressed mark edge jitters |
January 11, 2005 |
| A method for recording information is disclosed in which an information recording medium is irradiated with a recording energy beam power-modulated into at least a record power level and a record-ready power level lower than the record power level. When forming a mark portion of a pr |
| 6821596 |
Information recording medium, information recording method, and information reproducing method |
November 23, 2004 |
| The information recording medium accosting to the preferred embodiment of the present invention achieves high-speed, high-density recording. The layer, in which ultra-particles made from an optical absorption metal, dielectric, or recording material are formed into regular arrays, is |
| 6806030 |
Information recording medium and method for manufacturing information recording medium |
October 19, 2004 |
| In an optical disk for high density recording, for preventing the deformation of recording tracks caused by stress which may develop between the substrate and the recording stacked film formed thereon, a stress-compensation layer having a metal element such as Ti or Cr as a main comp |
| 6790502 |
Optically functional element and production method and application therefor |
September 14, 2004 |
| The object of the present invention is to provide an optically functional element having a large change in refractive index with temperature change and a fast change rate in refractive index, a production method for the same and optical switch, temperature sensor and optical information |
| 6783832 |
Information recording medium |
August 31, 2004 |
| A multilayered optical disk having n recording layers is designed in such a manner that the transmittance T.sub.i of the i.sup.th layer from a light-incident side satisfies the relationship: ##EQU1##when the light is focused on a recording film of the j.sup.th layer. By doing so, the |
| 6749955 |
Information recording media and information recording drive |
June 15, 2004 |
| An ultra-high density information recording media has an inorganic compound layer 12 on a substrate 11, and in the inorganic compound layer 12, an oxide of at least one kind selected from silicon oxide, aluminum oxide, titanium oxide, tantalum oxide, and zinc oxide exists in an amorphous |
