WO2006073079A1 - 記録装置及び記録方法、並びにコンピュータプログラム - Google Patents
記録装置及び記録方法、並びにコンピュータプログラム Download PDFInfo
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- WO2006073079A1 WO2006073079A1 PCT/JP2005/023755 JP2005023755W WO2006073079A1 WO 2006073079 A1 WO2006073079 A1 WO 2006073079A1 JP 2005023755 W JP2005023755 W JP 2005023755W WO 2006073079 A1 WO2006073079 A1 WO 2006073079A1
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- recording
- recording layer
- layer
- recorded
- information
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
- G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
- G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
Definitions
- the present invention relates to a recording apparatus and method such as a DVD recorder, and a technical field of a computer program that causes a computer to function as such a recording apparatus.
- L0 layer a recording layer that is recorded in the phase change recording system and positioned on the far side of the L0 layer (that is, the far side of the optical pickup force) when viewed from the laser beam irradiation side through the L0 layer or the like (in this application, appropriately referred to as “L 1
- L 1 By focusing the laser beam on the “layer”, information is recorded on the L1 layer by a heat change recording method or a phase change recording method such as heating.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2000-311346
- Patent Document 2 Japanese Patent Laid-Open No. 2001-23237
- a middle area is provided on the outermost peripheral side of the optical disc.
- This midole area is for buffering the switching operation when the focus of the laser beam is switched from the L0 layer to the L1 layer, and dummy data and the like are recorded at the time of finalizing.
- the end on the inner peripheral side of the middle area of the L0 layer and the end on the outer peripheral side of the middle area of the L1 layer are separated from each other by a predetermined distance (from the viewpoint of operational stability).
- the distance should be 0.4 mm or more. In other words, considering these points, it is necessary to form a middle area having an optimal size.
- the position where the address of the L0 layer or L1 layer in the design is specified and the position where the address of the optical disk to be actually manufactured are specified are not necessarily dependent on the quality of the manufacturing process. Does not always match. In other words, an optical disk in which an actual address is located at a position deviated from a radial position where an address should be located by design may be manufactured. For this reason, even if a middle area of the optimum size is formed based on the address specified on the optical disk, the inner edge of the middle area of the L0 layer and the L1 There is a technical problem that it may occur even when the outer edge of the middle area of the layer is not more than a predetermined distance away. To avoid such problems It is conceivable to form a relatively large middle area, but this has the technical problem of increasing the time required for finalization.
- the present invention has been made in view of, for example, the above-described conventional problems.
- the recording medium of the present invention includes a first recording layer on which recording information is recorded by irradiating a laser beam, and the laser beam being irradiated through the first recording layer.
- the buffer area is provided, and the size of the buffer area in the first recording layer is, for example, a predetermined value or more in the radial direction of the recording medium, and the outer periphery of the buffer area in the second recording layer.
- the recording information is recorded in each of the first recording layer and the second recording layer.
- a buffer area (for example, a middle area described later) is formed in each of the first recording layer and the second recording layer.
- the buffer area is formed so as to be close to the outer peripheral side of the data area for recording the record information.
- the buffer area is formed, for example, by recording dummy data or the like as recording information by performing finalization processing or the like after the recording information recording operation is completed.
- the size of the buffer area in the first recording layer is not less than a predetermined value.
- the buffer area in the first recording layer has a size of 0.4 mm or more in the radial direction of the recording medium.
- the outer peripheral end of the buffer area in the second recording layer is, for example, on the outer peripheral side by the tolerance length from the area portion of the second recording layer corresponding to the outer peripheral end of the buffer area of the first recording layer. Arranged at the shifted position.
- “corresponding” means that it exists at a position that is generally opposed in design (for example, substantially the same radial position). In an actual recording medium, the influence on the manufacturing process, etc. Therefore, it is not always in the opposite position.
- the “tolerance length” is a relative value between an address to be defined at a predetermined position (for example, a predetermined radius position) in the first recording layer and an address related to the predetermined position in the second recording layer. This indicates the allowable range of misalignment (or misalignment itself).
- the “tolerance length” is the allowable range of relative displacement between the address specified at a predetermined position in the first recording layer and the address specified at the predetermined position in the second recording layer.
- the “tolerance length” is the positional deviation between the position where the predetermined address is defined in the first recording layer by design and the position of the predetermined address in the actually manufactured recording medium, or the positional deviation. And the positional deviation between the position where the predetermined address is specified in the design in the second recording layer and the position of the predetermined address in the actually manufactured recording medium, or the allowable range of the positional deviation. Become sum.
- the buffer area of the second recording layer is larger toward the outer peripheral side than the buffer area of the first recording layer by at least a size corresponding to the tolerance length.
- the size of the buffer area of the first recording layer is greater than a predetermined value. Therefore, address misalignment has occurred.
- the size between the inner end of the buffer area of the first recording layer and the outer end of the buffer area of the second recording layer is equal to or greater than a predetermined value. As a result, it is not necessary to provide an unnecessarily large buffer area, and the time required for the finalizing process does not increase. Nevertheless, the size between the inner end of the buffer area of the first recording layer and the outer end of the buffer area of the second recording layer is equal to or greater than a predetermined value, so that the operation stability ( In particular, sufficient stability during reproduction operation can be ensured.
- a buffer area (middle area) of a suitable size that does not increase the time required for finalization processing is formed.
- the size of the buffer area in the second recording layer is (i) the predetermined value and (ii) twice the tolerance length.
- the buffer area is formed in consideration of the eccentricity deviation and the size of the laser beam spot. Yes. Accordingly, for example, a buffer area having a suitable size that does not increase the time required for the finalizing process is formed.
- the predetermined value is approximately 0.4 mm in the radial direction of the recording medium.
- the size between the end portion on the inner peripheral side of the buffer area of the first recording layer and the end portion on the outer peripheral side of the buffer area of the second recording layer is ensured to be 0.4 mm or more. can do. Therefore, sufficient operational stability can be ensured.
- the size between the inner end of the buffer area of the first recording layer and the outer end of the buffer area of the second recording layer is approximately 0.4 mm. It is preferable. This makes it possible to create a buffer area of the minimum size necessary to ensure the stability of the operation, so that the time required for the finalizing process can be relatively reduced.
- the tolerance length is approximately 40 ⁇ in the radial direction of the recording medium.
- the allowable range of positional deviation in each recording layer is defined as 20 x m to 20 x m. That is, a relative positional shift of 40 ⁇ m to 40 ⁇ m force is allowed between the first recording layer and the second recording layer. Therefore, the above-described various benefits can be suitably enjoyed by forming the buffer area based on the tolerance length considering the allowable range. Of course, if a different value is defined as an allowable range of misalignment in other standards, it is preferable to use that value instead of 40 ⁇ m.
- the clearance length is approximately 65 ⁇ m in the radial direction of the recording medium. That is, when the laser beam is focused on the second recording layer, the spot radius of the laser beam on the first recording layer, and the relative relationship between the first recording layer and the second recording layer, respectively.
- the total eccentric deviation or the sum of the allowable ranges of the eccentric deviation is approximately 65 ⁇ m.
- the buffer area is formed in consideration of the actual size of the spot of the laser beam and the like.
- the recording information is recorded in the first recording layer in one direction, and the second recording layer is different from the one direction.
- the recorded information is recorded in the direction of.
- the recording apparatus of the present invention irradiates the laser light through the first recording layer and the first recording layer on which recording information is recorded by irradiating the laser light.
- the end force on the outer peripheral side of the buffer area in the second recording layer is the area of the second recording layer corresponding to the outer end of the buffer area in the first recording layer Position shifted by a tolerance length indicating an allowable range of relative displacement between an address to be defined at a predetermined position of the first recording layer and an address related to the predetermined position of the second recording layer.
- recording information including video information, audio information, and the like is preferably recorded on a recording medium including each of the first recording layer and the second recording layer by the operation of the recording unit. That power S.
- the recording information is recorded on the first recording layer by irradiating the first recording layer with the laser beam, and the laser beam is irradiated so that the second recording layer is focused on the other recording layer.
- recording information is recorded on the second recording layer.
- a buffer area is formed in each of the first recording layer and the second recording layer for buffering the changing operation of the recording layer in which the recording information is recorded.
- the buffer area is formed so as to be close to the outer peripheral side of the data area for recording the record information.
- the buffer area is formed, for example, by recording dummy data or the like as recording information by finalizing processing or the like after the recording operation of recording information is completed.
- the buffer area of the first recording layer is formed by the operation of the control means so that the size (for example, the size in the radial direction of the recording medium) is a predetermined value or more. . Further, the position of the outer peripheral side is shifted by the tolerance length, for example, to the outer peripheral side from the area part of the second recording layer corresponding to the outer peripheral end of the buffer area of the first recording layer by the operation of the control means.
- the buffer area of the second recording layer is formed so as to be disposed in the area.
- a buffer area that is larger than the buffer area of the first recording layer at least on the outer peripheral side by a size corresponding to the tolerance length is formed in the second recording layer.
- a buffer area with a size larger than a predetermined value is formed on the first recording layer. Therefore, as described above, even if an address misalignment or the like occurs, there is a gap between the inner end of the buffer area of the first recording layer and the outer end of the buffer area of the second recording layer.
- the size is a predetermined value or more. As a result, it is not necessary to provide an unnecessarily large buffer area, and the time required for the finalizing process does not increase.
- the inner peripheral edge of the buffer area of the first recording layer and the buffer area of the second recording layer Since the size between the outer peripheral side of the first and second ends is equal to or greater than a predetermined value, operation stability (particularly stability during reproduction operation) can be sufficiently ensured.
- a middle area that is, a buffer area
- a suitable size without increasing the time required for finalizing processing, for example.
- control means is configured such that the size of the buffer area in the second recording layer is (i) the predetermined value and ( ⁇ ) twice the tolerance length. And (m) the spot radius of the laser beam on the first recording layer when the focus of the laser beam is aligned with the second recording layer, and the first recording layer and the second recording layer.
- the forming means is controlled so as to correspond to the sum of the clearance lengths indicating the relative eccentric deviations of the layers.
- the buffer area is formed in consideration of the deviation of the laser beam spot in addition to the positional deviation of the address generated in the manufacturing process of the recording medium. Therefore, for example, a buffer area having a suitable size can be formed without increasing the time required for the finalizing process.
- Another aspect of the recording apparatus of the present invention further includes conversion means for converting the tolerance length into a recording unit of the recording information, and the control means corresponds to the tolerance length converted into the recording unit.
- the forming means is controlled so as to form the buffer area at a position shifted as much as possible.
- the tolerance length can be recognized by a recording device that can be easily recognized by a recording device, a memory device, a handling device, an easy recording device, or a recording information recording unit (for example, ECC block unit). Therefore, the recording apparatus can suitably and relatively easily form the buffer area as described above.
- the conversion unit has the tolerance length and the size of the record information that can be recorded in the area portion having a size corresponding to the predetermined tolerance length.
- the tolerance length may be converted into a recording unit of the recording information based on correspondence information that defines the correspondence relationship between the recording information and the recording information.
- the tolerance length can be recorded relatively easily by referring to the correspondence information. It can be converted to a recording unit of recording information.
- the converting means includes the type of the recording medium and the position of the buffer area on the second recording layer.
- the tolerance length is converted into a recording unit of the recording information based on at least one of the plurality of correspondence information.
- the tolerance length can be set relatively easily according to the difference in the types of recording media and the difference in the arrangement of the buffer areas. Can be converted to
- the recording apparatus that converts the tolerance length into recording units based on the correspondence information may further include a storage unit that stores the correspondence information.
- the tolerance length can be converted into a recording unit of recording information relatively easily by referring to the correspondence information stored in the storage means.
- the conversion means converts the tolerance length to the above-described information based on the correspondence information recorded on the recording medium. You may comprise so that it may convert into the recording unit of recording information.
- the predetermined value is approximately 0.4 mm in the radial direction of the recording medium.
- a size of 0.4 mm or more is ensured between the inner end of the buffer area of the first recording layer and the outer end of the buffer area of the second recording layer. can do. Preferably, therefore, sufficient operational stability can be ensured.
- the tolerance length is approximately 40 xm in a radial direction of the recording medium. That is, the control means includes an area of the second recording layer in which an outer peripheral end of the buffer area in the second recording layer corresponds to an outer peripheral end of the buffer area in the first recording layer. The forming means is controlled so as to form the buffer area at a position shifted from the portion by 40 ⁇ m.
- the buffer area is formed based on the tolerance length considering the allowable range. For this reason, the various profits mentioned above can be enjoyed suitably. Of course, if a different value is defined as the allowable range of misalignment in other standards, it is preferable to use that value instead of 40 ⁇ m.
- the clearance length is approximately 65 ⁇ m in the radial direction of the recording medium. That is, when the laser beam is focused on the second recording layer, the spot radius of the laser beam on the first recording layer, and the relative relationship between the first recording layer and the second recording layer, respectively.
- the total eccentric deviation or the sum of the allowable ranges of the eccentric deviation is 65 ⁇ m.
- the buffer area is formed in consideration of the actual size of the spot of the laser beam and the like.
- the buffer area is formed by recording the recording information
- the control means excludes an area portion where the recording information is recorded in advance.
- the forming means is controlled to form the buffer area by recording the recording information.
- the buffer area is formed by recording predetermined recording information (for example, dummy data described later).
- recording information may be recorded in advance in the area portion serving as a buffer area prior to the final finalizing process for reducing the time required for the finalizing process.
- the recorded information is not overwritten on the area where the recorded information is recorded in advance. Accordingly, since it is not necessary to record recording information unnecessarily to form the buffer area, the buffer area can be formed efficiently.
- the recording information is recorded in the first recording layer in one direction, and the second recording layer is different from the one direction.
- the recorded information is recorded in the direction indicated by.
- the recording method of the present invention irradiates the laser light through the first recording layer and the first recording layer on which recording information is recorded by irradiating the laser light.
- a forming unit for forming a buffer area for buffering a change operation of a recording layer on which information is recorded and a recording method for controlling the recording unit to record the recording information.
- the control step, and the size of the buffer area in the first recording layer is not less than a predetermined value, and the outer end of the buffer area in the second recording layer is in the first recording layer.
- a second control step of controlling the forming means so as to form the buffer area at a position shifted by a tolerance length indicating an allowable range of relative positional deviation.
- the recording method of the present invention can also adopt various aspects.
- a computer program of the present invention is a computer program for recording control for controlling a computer provided in the above-described recording apparatus of the present invention (including various aspects thereof). Is made to function as at least a part of the recording apparatus (specifically, for example, the control means).
- the computer program of the present invention is read from a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program and executed by the computer, or If the computer program is downloaded to a computer via communication means and then executed, the above-described recording apparatus of the present invention can be realized relatively easily.
- the computer program of the present invention can also adopt various aspects.
- a computer program product in a computer-readable medium is a program that can be executed by a computer provided in the above-described recording device of the present invention (including various forms thereof).
- the instructions are clearly embodied, and the computer is caused to function as at least a part of the recording apparatus (specifically, for example, the control means).
- the computer program product of the present invention if the computer program product is read into a computer from a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product, or
- a recording medium such as a ROM, CD-ROM, DVD-ROM, or hard disk storing the computer program product
- the computer program product which is a transmission wave
- the computer program product which is a transmission wave
- the computer program product may be composed of computer-readable code (or computer-readable instructions) that function as the recording apparatus of the present invention described above.
- the middle area of the first recording layer has a size greater than or equal to a predetermined value, and the outer edge of the middle area of the second recording layer Is shifted by the tolerance length from the outer edge of the middle area of the first recording layer. Therefore
- a middle area having a suitable size can be formed without increasing the time required for the finalizing process.
- the recording apparatus or method of the present invention comprises a recording means, a forming means and a control means, or a first control step and a second control step. Therefore, for example, a suitable middle area is formed without increasing the time required for finalizing processing.
- FIG. 1 is a schematic plan view showing a basic structure of an optical disc according to the present embodiment, a schematic sectional view of the optical disc, and a recording area structure in the radial direction associated therewith. It is a schematic conceptual diagram.
- FIG. 2 is a block diagram conceptually showing the basic structure of the recording / reproducing apparatus in the example.
- FIG. 3 is a flowchart conceptually showing a flow of a middle area forming operation (that is, a partial operation of finalization processing) in the recording operation of the recording / reproducing apparatus in the example.
- FIG. 4 is a flowchart conceptually showing a flow of middle area forming operation (that is, partial operation of finalizing process) in the recording operation of the recording / reproducing apparatus in the example.
- FIG. 5 is a schematic conceptual diagram conceptually showing position tolerance.
- FIG. 6 is a schematic conceptual diagram conceptually showing an eccentric clearance among the clearances.
- FIG. 7 is a schematic conceptual diagram conceptually showing spot clearance among clearances.
- FIG. 8 is a graph conceptually showing one specific example of a correspondence expression.
- FIG. 9 is a graph conceptually showing another specific example of the correspondence expression.
- FIG. 10 is a schematic conceptual diagram schematically showing the relationship between each area on an optical disc and an address when dummy data is not pre-recorded in the middle area.
- FIG. 11 is a schematic conceptual diagram schematically showing the relationship between each area on an optical disc and an address when dummy data is already pre-recorded in the middle area.
- FIG. 12 is a schematic conceptual diagram showing a specific address value in a DVD-R having a diameter of 12 cm, which is a specific example of an optical disk.
- FIG. 13 is a schematic conceptual diagram showing a specific address value in a DVD-R having a diameter of 8 cm, which is another specific example of the optical disc.
- FIG. 14 is a schematic conceptual diagram schematically showing the relationship between the areas on the optical disc in each of the case where there is no positional deviation and the case where the positional deviation is maximum.
- FIG. 15 is a schematic conceptual diagram schematically showing the relationship between each area on an optical disc and an address when dummy data or the like is pre-recorded prior to finalization processing.
- FIG. 16 is a schematic conceptual diagram schematically showing the relationship between each area on an optical disc and an address when dummy data or the like is pre-recorded prior to finalization processing. Explanation of symbols
- FIG. 1 (a) is a schematic plan view showing the basic structure of the optical disc according to the present embodiment
- FIG. 1 (b) is a schematic cross-sectional view of the optical disc and associated with it
- FIG. 3 is a schematic conceptual diagram of a recording area structure in the radial direction.
- the optical disc 100 is, for example, read on the recording surface on the disc body having a diameter of about 12 cm, with the center hole 101 as the center, like DVD.
- In-area 102 or lead-out area 118, data areas 105 and 115, and middle areas 109 and 119 constituting a specific example of the “buffer area” of the present invention are provided.
- a recording layer or the like is laminated on a transparent substrate 110.
- tracks such as a groove track and a land track are alternately provided in a spiral shape or a concentric shape around the center hole 101.
- ECC block is a data management unit in which recorded information can be error-corrected.
- the present invention is not particularly limited to an optical disc having such three areas.
- the lead-in area 102, the lead-out area 118, or the middle area 109 (119) does not exist, the data structure described below can be constructed.
- the lead-in area 102, the lead-out area 118, or the midnor area 109 (119) A differentiated configuration may be used.
- the optical disc 100 according to the present embodiment has, for example, an L0 layer constituting an example of the first and second recording layers according to the present invention on the transparent substrate 110.
- L1 layer has a laminated structure.
- Data is recorded / reproduced in the L0 layer or data is recorded / reproduced in the L1 layer.
- the optical disc 100 according to the present embodiment corresponds to an opposite track path type optical disc.
- the following benefits can be obtained by adopting the configuration described below.
- the optical disc 100 has a lead-in area 102 and a lead-out area.
- the RMA Recording Management Area
- the ODTA Outer Disc Testing Area
- the RMA 103 (113) is a recording area for recording various management information for managing data recording on the optical disc 100. Specifically, for example, management information indicating the arrangement or recording state of data recorded on the optical disc 100 is recorded.
- ODTA 104 is a recording area for executing OPC (Optimum Power Control) processing for adjusting (calibrating) the laser power of the laser beam LB when data is recorded on the optical disc 100.
- OPC Optimum Power Control
- the OPC pattern is recorded on the ODTA104 (114) while changing the laser power step by step, and the recorded quality of the PC pattern (for example, asymmetry) is measured.
- An optimum laser power is calculated.
- the L1 layer ODTA 114 is disposed adjacent to the middle area 119, and the L1 layer ODTA 114, the L0 layer ODTA 104, and the middle area 109 overlap with each other when viewed from the side irradiated with the laser beam LB. It is arranged not to become.
- the ODTA114 of the L1 layer When the process is executed, the OPC pattern is recorded through the L0 layer where no data is recorded. Of course, the same applies to the ODTA 104 of the L0 layer.
- the optical disc 100 is not limited to two-layer single-sided, ie, dual-layer, but may be double-sided, ie, dual-layer double-sided. Furthermore, it is not limited to an optical disc having two recording layers as described above, and may be a multilayer optical disc having three or more layers.
- the middle area 109 (119) has been described as having a fixed position. However, in the actual finalization process, the middle area 109 (119) has a wide area including the ODTA104 (114). Dummy data is recorded across. As a result, a final middle area 109 (119) extending to the position of the ODTA 104 (114) is formed. In other words, the arrangement of the middle area 109 (119) described in Fig. 1 is a standard value determined by default.
- FIG. 2 is a block diagram conceptually showing the basic structure of the recording / reproducing apparatus 200 in the example.
- the recording / reproducing apparatus 200 has a function of recording data on the optical disc 100 and a function of reproducing data recorded on the optical disc 100.
- the recording / reproducing apparatus 200 includes a disk drive 300 in which the optical disk 100 is actually loaded and data is recorded and reproduced, and data recording and reproduction with respect to the disk drive 300 is performed. And a host computer 400 such as a personal computer for controlling the computer.
- the disk drive 300 includes an optical disk 100, a spindle motor 351, an optical pickup 352, a signal recording / reproducing means 353, a CPU (drive control means) 354, a memory 355, a data input / output control means 306, and a bus 357.
- the host computer 400 includes a CPU 359, a memory 360, an operation / display control means 307, an operation button 310, a display panel 311 and a data input / output control means 308.
- the spindle motor 351 rotates and stops the optical disc 100, and operates when accessing the optical disc 100. More specifically, the spindle motor 351 is configured to rotate and stop the optical disc 100 at a predetermined speed while receiving spindle servo from a servo unit (not shown) or the like.
- the optical pickup 352 constitutes one specific example of “recording means” in the present invention, and is composed of, for example, a semiconductor laser device and a lens in order to perform recording / reproduction on the optical disc 100. More specifically, the optical pickup 352 irradiates the optical disc 100 with a light beam such as a laser beam at a first power as a read light during reproduction and modulates with a second power as a write light at the time of recording. Irradiate while.
- the signal recording / reproducing means 353 performs recording / reproduction with respect to the optical disc 100 by controlling the spindle motor 351 and the optical pickup 352. More specifically, the signal recording / reproducing means 353 includes, for example, a laser diode driver (LD driver) and a head amplifier.
- the laser diode driver drives a semiconductor laser (not shown) provided in the optical pickup 352.
- the head amplifier amplifies the output signal of the optical pickup 352, that is, the reflected light of the light beam, and outputs the amplified signal.
- the signal recording / reproducing means 353 can determine the optimum laser power by the OPC pattern recording and reproduction processing together with a timing generator (not shown) under the control of the CPU 354 during the OPC processing. Then, a semiconductor laser (not shown) provided in the optical pickup 352 is driven.
- the memory 355 is used in general data processing and OPC processing in the disk drive 300, such as a buffer area for recording / playback data and an area used as an intermediate buffer when converted to data used by the signal recording / playback means 353. used.
- the memory 355 is a program for operating as a recorder device, that is, a ROM area in which firmware is stored, a buffer for temporarily storing recording / playback data, and variables necessary for the operation of the firmware program, etc. It is composed of a RAM area where is stored.
- the CPU (drive control means) 354 is connected to the signal recording / reproducing means 353 and the memory 355 via the bus 357, and controls the entire disk drive 300 by giving instructions to various control means. Normally, software or firmware for operating the CPU 354 is Stored in Mori 355.
- the data input / output control means 306 controls external data input / output to / from the disk drive 300, and stores and retrieves data in / from the data buffer on the memory 355.
- Drive control commands issued from an external host computer 400 connected to the disk drive 300 via an interface such as SCSI or ATAPI are transmitted to the CPU 354 via the data input / output control means 306.
- recording / reproduction data is exchanged with the host computer 400 via the data input / output control means 306.
- the operation / display control means 307 is for receiving and displaying an operation instruction for the host computer 400, and transmits an instruction by the operation button 310 such as recording or reproduction to the CPU 359.
- the CPU 359 transmits a control command (command) to the disk drive 300 via the data input / output means 308 based on the instruction information from the operation Z display control means 307 to control the entire disk drive 300.
- the CPU 359 can send a command requesting the disk drive 300 to send the operating status to the host.
- the operating state of the disk drive 300 during recording and playback can be grasped, so the CPU 359 outputs the operating state of the disk drive 300 to the display panel 311 such as a fluorescent tube or LCD via the operation / display control means 307. can do.
- the memory 360 is an internal storage device used by the host computer 400.
- a ROM area in which a firmware program such as BIOS (Basic Input / Output System) is stored, an operating system, an operation of an application program, etc. It consists of a RAM area where variables necessary for the storage are stored.
- BIOS Basic Input / Output System
- the data input / output control means 308 may be connected to an external storage device such as a node disk (not shown).
- the disk drive 300 and the host computer 400 in combination as described above is a household device such as a recorder device that records and reproduces video.
- This recorder device is a device that records a video signal from a broadcast receiving tuner or an external connection terminal on a disc and outputs the video signal reproduced from the disc to an external display device such as a television.
- the program stored in the memory 360 is executed by the CPU 359 to operate as a recorder device.
- the disk drive 300 is a disk drive (hereinafter referred to as a drive as appropriate)
- the host computer 400 is a personal computer. Or a workstation.
- a host computer such as a personal computer and a drive are connected via data input / output control means 306 and 308 such as SCSI and ATAPI, and an application such as writing software installed in the host computer 400 connects the disk drive 300. Control.
- FIG. 3 and FIG. 4 conceptually show the flow of the operation of forming the middle area 109 (119) (that is, part of the finalizing process) in the recording operation of the recording / reproducing apparatus 200 according to the present embodiment. It is a flowchart shown in FIG.
- the recording / reproducing apparatus 200 records movie data, music data, PC data, and the like in the data area 105 (115). At this time, in principle, after data is recorded in the data area 105 of the L0 layer, the data is recorded in the data area 115 of the L1 layer. That is, data is recorded in the data area 115 of the L1 layer by irradiating the laser beam LB through the data area 105 of the L0 layer where data is recorded. The same applies to other recording areas.
- the recording / reproducing apparatus 200 After the data recording in the data area 105 (115) is completed, the recording / reproducing apparatus 200 performs data necessary for the lead-in area 102, the lead-out area 118, and the middle area 109 (119) or dummy data (for example, “ 00h "data) etc. are recorded. That is, finalization processing is performed. In the following, a description will be given of the operation of recording dummy data or the like in the middle area 109 (119) in the finalizing process.
- the position tolerance of each of the L0 layer and the L1 layer under the control of the CPU 354 or 359 constituting one specific example of the “control means” in the present invention Is acquired (step S 101).
- an allowable value in the standard of position tolerance may be acquired as the position tolerance.
- the position tolerance is a value of an allowable range of a positional deviation between a position where a predetermined address should be originally arranged by design and a position where the predetermined address is actually arranged on the optical disc 100.
- the position tolerance will be described in more detail with reference to FIG.
- Figure 5 shows the position tolerance FIG.
- the address “X” is arranged at the radial position “r”.
- the arrangement of the lead-in area 101, the data area 105 (115), the lead-out area 118, and the middle area 109 (119) is defined by design.
- a manufacturing error of a stamper or the like for forming a land pre-pit or wobble that defines an address in other words, a manufacturing error of a disk master for manufacturing a stamper or a radial position of a cutting machine for generating the disk master
- the address “X” is not accurately arranged at the radial position “r” which should be originally arranged due to an error or uneven track pitch.
- the address “X” is not accurately placed at the radial position “r” where it should be placed due to individual differences in heat shrinkage or the like when the optical disk 100 is manufactured.
- the address “X + ⁇ ” may be arranged at the radial position “r” where the address “X” should be originally arranged.
- the address “X” is arranged at the radial position “r—A rl”, which is shifted to the inner circumference side by “ ⁇ ⁇ ⁇ ” from the radial position “r”.
- the tolerance is referred to as “position tolerance.” Since this position tolerance can occur for each recording layer, the position tolerance is obtained for each of the L0 and L1 layers in step S101 of FIG. (5) is a diagram showing a state in which the position tolerance is “0”.
- the position tolerances of the L0 layer and the L1 layer acquired in step S101 are added together, so that one of the “tolerance length” of the present invention is obtained.
- the interlayer tolerance “Tls” constituting the specific example is calculated (step S102).
- the “interlayer tolerance” in this embodiment is an address between the address to be defined at the predetermined radius position of the L0 layer and the address related to the predetermined radius position of the L1 layer (in other words, to be defined at the predetermined radius position). The relative positional deviation between them or the allowable range of the positional deviation is shown.
- the clearance "Cls” is calculated (step S103). Specifically, the clearance related to the eccentricity corresponding to the deviation of the center positions of the L0 layer and the L1 layer (hereinafter referred to as “eccentric alignment” as appropriate) and the size of the beam spot of the defocused laser beam. Clearance “Cls”, which is the sum of the clearances (hereinafter referred to as “spot clearance” where appropriate) Here, the clearance “Cls” will be described with reference to FIGS. 6 and 7.
- FIG. 6 is a diagram conceptually showing the eccentric clearance of the clearance “Cls”.
- FIG. 7 is a schematic conceptual diagram conceptually showing a spot clearance among clearances “Cls”.
- the left half of the laser beam LB is applied to the L1 layer through the L0 layer where data is recorded, while the right half of the laser beam LB has no data recorded.
- the L1 layer is irradiated through the L0 layer. Therefore, data was recorded simply by recording data on the L1 layer opposite to the L0 layer where the data was recorded. Data cannot be recorded favorably in the LI layer by irradiating the laser beam LB through the LO layer.
- the focus position of the laser beam LB when data is recorded on the L1 layer is L1 facing the address “X” of the L0 layer where the data is recorded. It is necessary to shift from the position indicated by the layer address “X (bar)” to the inner circumference side by a distance corresponding to the radius “A r3” of the beam spot. Specifically, the laser beam LB is placed at the position indicated by the address variable “ ⁇ ⁇ 'corresponding to the radius“ A r3 ”of the beam spot, and the address“ X (bar) _ ⁇ ⁇ ' shifted by the inner circumference. Need to focus. The maximum value of this beam spot radius “ ⁇ ⁇ 3” is equivalent to the spot clearance.
- step S103 of FIG. 3 the clearance “Cls” is calculated by adding the eccentric clearance explained in FIG. 6 and the spot clearance explained in FIG.
- step S104 the radial offset corresponding to the sum of the interlayer tolerance “Tls” and the clearance “Cls” is calculated.
- the size of the data recorded in the recording area with the distance is calculated as the address offset 'Ofs'.
- the correspondence equation used in step S104 indicates the correspondence between the size of the recording area (for example, the distance in the radial direction) and the size of data recorded in the recording area (for example, the number of ECC blocks). This correspondence equation will be described in more detail with reference to FIG. FIG. 8 is a graph conceptually showing a specific example of the corresponding expression used in step S104 of FIG.
- the corresponding equation is shown by a graph (or a function), and the horizontal axis is assigned the sum of the layer tolerance "Tls" and the clearance "Cls".
- step S 105 The size “N” of data included in (ie, recorded) is calculated (step S 105).
- the correspondence formula used in step S105 is similar to the correspondence formula used in step S104.
- the size of the recording area for example, the distance in the radial direction
- the size of data recorded in the recording area for example, This shows the correspondence with the number of ECC blocks.
- FIG. 9 is a graph conceptually showing a specific example of the correspondence equation used in step S 105 of FIG.
- a graph or function
- the horizontal axis indicating the layer tolerance "Tls”
- the vertical axis indicating the number of ECC blocks.
- a plurality of graphs corresponding to the type of the optical disc 100 may be defined as corresponding expressions.
- a correspondence formula for an optical disc with a diameter of 12 cm and a correspondence formula for an optical disc with a diameter of 8 cm may be defined.
- correspondence formulas are stored in the memory 355 or 360 in the recording / reproducing apparatus 200 constituting a specific example of the "storage means" of the present invention. You can record it on the optical disc 100 in advance.
- the corresponding equation is not limited to the one shown in FIGS.
- it may be a predetermined table.
- any information that defines the relationship between the distance in the radial direction and the size of data that can be recorded (included) in the distance can be used as the above-mentioned correspondence equation.
- the size of data acquired using the corresponding equations in FIGS. 8 and 9 is used when calculating the addresses of the inner end and the outer end of the middle area 109 (119). It is done.
- the recording / reproducing apparatus 200 cannot suitably recognize them as addresses. This is because the recording / reproducing apparatus 200 recognizes the position of the recording area of the L0 layer and the L1 layer from the address position, which is difficult to recognize from the “distance in the radial direction”. At this time, since data of a predetermined size is recorded in a predetermined address range, the recording / reproducing apparatus 200 may recognize the distance in the radial direction as the data size.
- the distance in the radial direction is recognized by the recording / reproducing apparatus 200 as the size of data that can be recorded in the recording area, it is converted into an address so that the inner circumference side of the middle area 109 (119) and It is possible to calculate the address of each end on the outer peripheral side.
- RMD Recording Management Data recorded in the RMA 103 (113) is acquired (step S107).
- the RMD includes information indicating the recording state of data on the optical disc 100 (that is, in which recording area data is recorded or in which recording area the data is not recorded).
- step S108 the innermost peripheral address (that is, the start address of the middle area 109) “A ′” of the middle area 109 of the L0 layer is acquired (step S108). Is obtained by referring to the land pre-pit or the RMD obtained in step S107, and then, under the control of the CPU 354 or 359, it is located on the outer peripheral side by “M” from the position indicated by the address “A”. Address power Address “B” is calculated (step S 109).
- step S110 the innermost peripheral address (that is, the end address of the middle area 119) “E ′” of the middle area 119 of the L1 layer is acquired (step S110). This is also acquired by referring to the land pre-pit and RMD acquired in step S107. Thereafter, under the control of the CPU 354 or 359, an address force address 'D' is calculated which is located on the outer peripheral side by “M + 0 fs + N” from the position indicated by the address “E” (step S111).
- step S 112 it is determined whether or not dummy data or the like has already been pre-recorded in the middle area 109 of the L0 layer (step S 112). . This determination is made based on the RMD acquired in step S107.
- step S112 determines whether dummy data or the like is pre-recorded in the middle area 109 of the L0 layer.
- step S107 Based on the acquired RMD, the outermost peripheral address of dummy data etc. that has already been pre-recorded (that is, the outermost peripheral address of the recording area in which dummy data etc. are pre-recorded in the middle area 109, For example, the next address after the pre-recording) is acquired as a new address “A” (step S113). Thereafter, the process proceeds to step S114.
- step S113 is not performed and the process proceeds to step S114.
- step S114 it is determined whether dummy data or the like is pre-recorded in the middle area 119 of the L1 layer. This determination is performed based on the RMD acquired in step S107.
- step S114 determines whether dummy data or the like is pre-recorded in the middle area 119 of the L1 layer.
- the control is performed in step S107 under the control of the CPU 354 or 359.
- the outermost peripheral address of the pre-recorded dummy data, etc. that is, the outermost peripheral address of the recording area where the dummy data etc. of the middle area 119 are pre-recorded, For example, the address immediately before the pre-recording address
- step S115 is not performed, and the step Proceed to SI 16.
- the optical pickup 352 and the signal recording / reproducing means 353 are controlled by the CPU 354 or 359 constituting one specific example of the “forming means” of the present invention, so that the address “B” from the address “A” of the L0 layer is controlled.
- the middle area 109 is formed by pre-recording predetermined dummy data or the like in the recording area up to (step S116). Further, predetermined dummy data or the like is pre-recorded in the recording area from the address “D” to the address “E” of the L1 layer, thereby forming a mid-layer area 119 (step S 117).
- FIG. 10 is a schematic conceptual diagram schematically showing the relationship between each area on the optical disc 100 and the address when dummy data is not pre-recorded in the middle area 109
- FIG. 3 is a schematic conceptual diagram schematically showing the relationship between each area on an optical disc 100 and an address when dummy data is pre-recorded in the middle area 109.
- the innermost address of the middle area 109 of the L0 layer corresponds to the address ' ⁇ ', and the address The address at the position shifted from “ ⁇ ⁇ ” to “ ⁇ ⁇ ” only (ie, radial distance of 0.4 mm) corresponds to address “ ⁇ ”, and the innermost circumference of the L1 middle area 119
- the address corresponds to the address “ ⁇ ”, and the position shifted from the address “ ⁇ ⁇ ” by “M + Ofs + ⁇ ” (ie, “0.4 mm + Cls + Tls X 2” in the radial direction).
- the recording area force between the area portion of the L1 layer corresponding to the inner peripheral end of the L0 layer and the inner end of the L1 middle area 119 is offset in the radial direction.
- the area portion of the L1 layer corresponding to the outer edge of the middle area of the L0 layer and the outer edge of the middle area 119 of the L1 layer Corresponds to a recording area having a recording area force S between and a size of the interlayer tolerance “Tls” in the radial direction.
- dummy data etc. are pre-recorded in the L0 layer.
- the address next to the outermost peripheral address corresponds to the address “A”
- the address at the position shifted from the innermost peripheral address of the middle area 109 of the L0 layer by “M” to the outer peripheral side corresponds to the address “B”.
- the address immediately before the outermost address of the dummy data etc. pre-recorded in this case corresponds to the address “ ⁇ ”, and only “M + Ofs + N” from the innermost address of the middle area 119 of the L1 layer
- the address of the position shifted to is equivalent to Address 'D'.
- FIG. 12 is a schematic conceptual diagram showing a specific address value in a DVD-R having a diameter of 12 cm, which is a specific example of the optical disc 100
- FIG. 13 is another specific example of the optical disc 100. It is a schematic conceptual diagram in a DVD-R having a diameter of 8 cm.
- “40 ⁇ ” is used as a specific value for the interlayer tolerance in accordance with “20 / im” which is the allowable range in the position tolerance standard for each recording layer. It has been. “65 ⁇ ⁇ ” is used as a specific value for clearance.
- the L0 layer adopts a decrement addressing method in which the address decreases toward the outer periphery side, and the L1 layer uses an address decrease toward the inner periphery side.
- the specific values differ for the incremental address system in which the address increases toward the outer periphery in the L0 layer and the address increases toward the inner periphery in the L1 layer.
- the address “E” (that is, the innermost peripheral address of the middle area 119 of the L1 layer) is the bit inversion address of the address “A” and becomes “022EF6h”.
- FIG. 14 is a schematic conceptual view schematically showing the relationship between the areas on the optical disc 100 in each of the case where there is no positional deviation and the case where the positional deviation is maximum.
- the inner edge of the L0 layer middle area 109 and the mid layer of the L1 layer A distance of 0.4 mm can be secured between the outer edge of the lure area 119 and the outer edge.
- the middle area 109 (119) can be formed in consideration of the interlayer tolerance and the like. Therefore, even if there is an address misalignment, etc., there is a 0.4 mm gap between the inner edge of the L0 layer middle area 109 and the outer edge of the L1 middle area 119. The distance can be secured. Accordingly, it is possible to suitably ensure the operational stability of the recording / reproducing apparatus 200 (particularly, the operational stability when reproducing the optical disc 100). Since it is not necessary to form an unnecessarily large middle area 109 (119), the middle area 109 (119) of a suitable size can be formed without increasing the time required for the finalizing process.
- the address position in the data recording unit is based on the correspondence equation shown in FIG. 8 and FIG. (Specifically, the address “ ⁇ ”, address “D”) is calculated. For this reason, the recording / playback device 200 can easily recognize, handle, handle, easily, The middle area 109 (119) having a suitable size can be formed, so that the processing load required for the recording operation of the recording / reproducing apparatus 200 can be reduced.
- the middle area 10 9 having a suitable size for each type is selected according to the type of the optical disc 100 (for example, depending on the size of the diameter and the difference in the standard). (119) can be formed. Alternatively, depending on the position where the middle area 109 (119) is arranged (for example, the force located on the relatively inner circumference side of the optical disc 100, the relatively middle circumference side, or the relatively outer circumference side). Depending on whether it is located), it can force the formation of a suitably sized middle area 109 (119).
- the middle area 109 (119) is located further on the inner circumference side (for example, in the middle of the data area 105 (115)). Needless to say, you can configure it.
- the middle area 109 (119) having a suitable size can be formed by performing the above-described operation.
- the address next to the outermost peripheral address of the recording area in which the data is recorded is the above address “ ⁇ ⁇ ⁇ ⁇ ”, and the data The address immediately before the outermost peripheral address of the recording area in which data is recorded is the above address' ⁇ '.
- the calculation of the addresses' ⁇ 'and address'D' is the same as described above. Operation is performed.
- optical disc itself in which such a suitably sized middle area 109 (119) is formed is also included in the scope of the present invention.
- FIG. 15 and FIG. 16 are schematic conceptual diagrams schematically showing the relationship between each area on the optical disc 100 and the address when dummy data or the like is pre-recorded prior to the finalization process.
- the same reference numerals and step numbers are used for the same components and operations as those described in FIGS. 3 to 13, and the detailed description thereof is omitted.
- dummy data or the like is stored in the recording area corresponding to the middle area 109 (119) (specifically, the middle area 109 (119) defined by default). This is an operation example for forming the middle area 109 (119) when pre-recorded.
- dummy data or the like is pre-recorded in a recording area corresponding to the middle area 109 (119). Specifically, dummy data etc. are pre-recorded in the recording area from the address “a” to address “b” in the L0 layer and the recording area from the address “d” to address “e” in the L1 layer. It has been done.
- the address “a” in the recording area from the address “ ⁇ ” to the address “B” described in FIGS. By recording dummy data, etc., in the recording area excluding the recording area up to “force, address“ b ”, the middle area 109 is formed.
- the address described in FIGS. Middle area 119 is formed by recording dummy data, etc., in the recording area from D "to address” E ', excluding the recording area from address "d” to address "e”. Is done. In other words, dummy data or the like is not recorded in the recording area where dummy data or the like is already recorded in the finalization process. In other words, it ’s unnecessary. There is no need to record one data.
- the time required for the finalizing process can be shortened. Further, even when valid (that is, meaningful) dummy data or the like is pre-recorded, inconvenience of overwriting the valid dummy data or the like can be prevented.
- the midole area 109 (119) is formed so as to be positioned in the middle of the force data area 105 (115).
- dummy data or the like is pre-recorded in a recording area corresponding to the middle area 109 (119) prior to finalization processing.
- dummy data etc. are pre-recorded in the recording area from address “a” to address “b” in the LO layer and the recording area from address “d” to address “e” in the L1 layer.
- dummy data is recorded in the recording area excluding the recording areas from the address “a” to the address “b”. Etc. are recorded, so that a middle area 109 is formed.
- a middle area 119 is formed in the recording area from address “D” to address “E” described in FIGS. 3 to 13, except for the recording area from address “d” to address “e”, dummy data, etc. Is recorded.
- the recording area from address “A” to address “B” and the recording area from address “a” to address “b” are not overlapped.
- Middle area 109 is formed by recording dummy data in the entire recording area from address “B” to address “B”, and the recording area from address 'D' to address “E” and address "d” Since there is a partial overlap with the recording area from “to” address “e”, as a result, dummy data is recorded in the recording area from address “e” to address “E”. Is formed.
- the optical disc 100 as an example of the recording medium and the recorder or player related to the optical disc 100 as an example of the recording / reproducing device have been described.
- the present invention is limited to the optical disc and the recorder. Therefore, the present invention can be applied to other high-density recording or various recording media corresponding to a high transfer rate, and its recorder or player.
- the present invention is not limited to the above-described embodiments, but can be appropriately changed within the scope of the appended claims and the entire specification.
- the recording apparatus and method, and the computer program for recording control are also included in the technical scope of the present invention.
- the recording apparatus, recording method, and computer program according to the present invention can be used for, for example, a high-density optical disk such as a DVD, and can also be used for an information recording apparatus such as a DVD recorder. Further, the present invention can also be used for information recording devices or the like that are mounted on or connectable to various computer equipment for consumer use or business use.
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US11/597,954 US7940633B2 (en) | 2005-01-06 | 2005-12-26 | Recording device, recording method and computer program |
JP2006550750A JP4042866B2 (ja) | 2005-01-06 | 2005-12-26 | 記録装置及び記録方法、並びにコンピュータプログラム |
EP05819891A EP1835492A4 (en) | 2005-01-06 | 2005-12-26 | INFORMATION RECORDING DEVICE AND METHOD AND COMPUTER PROGRAM |
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JP2005001821 | 2005-01-06 | ||
JP2005-001821 | 2005-01-06 |
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WO2006073079A1 true WO2006073079A1 (ja) | 2006-07-13 |
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PCT/JP2005/023755 WO2006073079A1 (ja) | 2005-01-06 | 2005-12-26 | 記録装置及び記録方法、並びにコンピュータプログラム |
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US (1) | US7940633B2 (ja) |
EP (1) | EP1835492A4 (ja) |
JP (1) | JP4042866B2 (ja) |
KR (1) | KR100852226B1 (ja) |
CN (1) | CN100530373C (ja) |
TW (1) | TWI345774B (ja) |
WO (1) | WO2006073079A1 (ja) |
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JP4340732B2 (ja) * | 2006-08-03 | 2009-10-07 | 日本電気株式会社 | 情報記録媒体の情報管理方法、記録方法及び情報記録再生装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000023990A1 (fr) * | 1998-10-21 | 2000-04-27 | Matsushita Electric Industrial Co., Ltd. | Support d'enregistrement d'information optique, procede et appareil d'enregistrement et de reproduction |
WO2000062286A1 (fr) * | 1999-04-07 | 2000-10-19 | Matsushita Electric Industrial Co., Ltd. | Disque optique multicouche et procede et dispositif d'enregistrement d'informations optiques sur ce disque |
JP2000311346A (ja) | 1999-04-26 | 2000-11-07 | Ricoh Co Ltd | 光ディスク記録再生装置と光ディスクの最適記録パワー値決定方法 |
JP2001023237A (ja) | 1999-07-02 | 2001-01-26 | Pioneer Electronic Corp | 情報記録媒体 |
EP1477983A1 (en) | 2003-05-12 | 2004-11-17 | Sony Corporation | Multi-layer recording medium, recording apparatus and recording method |
Family Cites Families (6)
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EP1318509B1 (en) * | 2000-09-13 | 2011-11-09 | Panasonic Corporation | Optical information recording medium and optical information recording method, optical information recording device |
JP4215405B2 (ja) | 2001-01-22 | 2009-01-28 | シャープ株式会社 | 光ディスク |
US7180849B2 (en) * | 2001-05-18 | 2007-02-20 | Sharp Kabushiki Kaisha | Optical storage medium enabling uniform light transmittance, optical read/write apparatus for same, and optical read/write method for same |
KR100677108B1 (ko) * | 2003-06-12 | 2007-02-01 | 삼성전자주식회사 | 정보 저장매체 |
EP1914738A1 (en) * | 2003-06-12 | 2008-04-23 | Samsung Electronics Co., Ltd. | Information storage medium and method and apparatus for recording and/or reproducing data |
CA2472075C (en) | 2003-06-25 | 2013-02-26 | Matsushita Electric Industrial Co., Ltd. | Optical disk, method for manufacturing the same, and method for recording and method for reproducing data using optical disk |
-
2005
- 2005-12-26 KR KR1020067026360A patent/KR100852226B1/ko not_active IP Right Cessation
- 2005-12-26 WO PCT/JP2005/023755 patent/WO2006073079A1/ja active Application Filing
- 2005-12-26 US US11/597,954 patent/US7940633B2/en not_active Expired - Fee Related
- 2005-12-26 CN CNB2005800337118A patent/CN100530373C/zh not_active Expired - Fee Related
- 2005-12-26 EP EP05819891A patent/EP1835492A4/en not_active Ceased
- 2005-12-26 JP JP2006550750A patent/JP4042866B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-05 TW TW095100407A patent/TWI345774B/zh not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000023990A1 (fr) * | 1998-10-21 | 2000-04-27 | Matsushita Electric Industrial Co., Ltd. | Support d'enregistrement d'information optique, procede et appareil d'enregistrement et de reproduction |
WO2000062286A1 (fr) * | 1999-04-07 | 2000-10-19 | Matsushita Electric Industrial Co., Ltd. | Disque optique multicouche et procede et dispositif d'enregistrement d'informations optiques sur ce disque |
JP2000311346A (ja) | 1999-04-26 | 2000-11-07 | Ricoh Co Ltd | 光ディスク記録再生装置と光ディスクの最適記録パワー値決定方法 |
JP2001023237A (ja) | 1999-07-02 | 2001-01-26 | Pioneer Electronic Corp | 情報記録媒体 |
EP1477983A1 (en) | 2003-05-12 | 2004-11-17 | Sony Corporation | Multi-layer recording medium, recording apparatus and recording method |
Non-Patent Citations (1)
Title |
---|
See also references of EP1835492A4 |
Also Published As
Publication number | Publication date |
---|---|
CN100530373C (zh) | 2009-08-19 |
US20080019248A1 (en) | 2008-01-24 |
KR100852226B1 (ko) | 2008-08-13 |
TW200701206A (en) | 2007-01-01 |
EP1835492A4 (en) | 2008-09-24 |
KR20070088310A (ko) | 2007-08-29 |
EP1835492A1 (en) | 2007-09-19 |
JPWO2006073079A1 (ja) | 2008-06-12 |
TWI345774B (en) | 2011-07-21 |
US7940633B2 (en) | 2011-05-10 |
JP4042866B2 (ja) | 2008-02-06 |
CN101036185A (zh) | 2007-09-12 |
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