US20050286399A1 - Optical disc having plurality of recording layers, and method and apparatus for recording data thereon - Google Patents

Optical disc having plurality of recording layers, and method and apparatus for recording data thereon Download PDF

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Publication number
US20050286399A1
US20050286399A1 US10/966,040 US96604004A US2005286399A1 US 20050286399 A1 US20050286399 A1 US 20050286399A1 US 96604004 A US96604004 A US 96604004A US 2005286399 A1 US2005286399 A1 US 2005286399A1
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United States
Prior art keywords
area
data
recording
exclusive
recording layer
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Abandoned
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US10/966,040
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English (en)
Inventor
Kyung-geun Lee
Wook-Yeon Hwang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Assigned to SAMSUNG ELECTRONICS CO., LTD. reassignment SAMSUNG ELECTRONICS CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HWANG, WOOK-YEON, LEE, KYUNG-GEUN
Priority to US11/205,010 priority Critical patent/US8351314B2/en
Publication of US20050286399A1 publication Critical patent/US20050286399A1/en
Priority to US11/429,101 priority patent/US20060198266A1/en
Priority to US11/430,882 priority patent/US20060203671A1/en
Priority to US11/430,971 priority patent/US8432778B2/en
Abandoned legal-status Critical Current

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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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1217—Formatting, e.g. arrangement of data block or words on the record carriers on discs
    • 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
    • G11B7/005—Reproducing
    • 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
    • G11B7/00736—Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1267—Power calibration
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • 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 an optical disc, and more particularly, to an optical disc on which data can be recorded quickly and on which an exclusive region for a specified purpose can be selectively allocated at the outer circumference thereof, and a method of and an apparatus for recording data thereon.
  • Optical discs are used as data storage media of optical pickup devices for recording and reproducing data without contact.
  • Two types of optical discs are compact discs (CDs) and digital versatile discs (DVDs), which differ according to recording capacity. Some are recordable, such as the 650 MB CD-R, 650 MB CD-RW, 4.7 GB DVD+R/RW, 4.7 GB DVD-RAM, and DVD-R/RW. Others are read-only, such as the 650 MB CD and 4.7 GB DVD-ROM. Furthermore, a next generation DVD whose recording capacity is over 15 GB is under development.
  • the only type of conventional recordable DVD is a 4.7 GB single layer disc.
  • DVD-ROMs are available in 8.5 GB dual layer discs.
  • an 8.5 GB recordable DVD is required.
  • the recording time roughly doubles, which can be a disadvantage for the user.
  • the recording speed can theoretically be improved, this would require improvements in disc technology and therefore, a method of effectively recording data at a conventional speed is required to immediately introduce the 8.5 GB recordable DVD to the market.
  • FIG. 1A illustrates the structure of a conventional rewritable optical disc.
  • FIG. 1B illustrates the structure of a conventional read-only optical disc.
  • the structure of a lead-out area of the rewritable optical disc shown in FIG. 1A is almost the same as the structure of a lead-in area.
  • FIGS. 2A and 2B illustrate conventional methods of recording data on a dual recording layer disc.
  • FIG. 2A shows the case where the recording direction is an opposite track pass (OTP)
  • FIG. 2B shows the case where the recording direction is a parallel track pass (PTP).
  • OTP opposite track pass
  • PTP parallel track pass
  • user data is recorded on a recording layer L 1 , and then the remaining user data is recorded on a recording layer L 2 .
  • Pattern data having a lead-out attribute is recorded on an area on which the user data cannot be recorded, in the recording layer L 2 .
  • the area connecting data storage layers to each other is called a connecting area, to discriminate from the lead-out area and the lead-in area.
  • the recording methods shown in FIGS. 2A and 2B can be applied to read-only and rewritable discs.
  • FIGS. 3A and 3B illustrate other conventional methods of recording data on a dual recording layer disc.
  • FIG. 3A shows the case where the recording direction is an optical path track (OTP)
  • FIG. 3B shows the case where the recording direction is a parallel track pass (PTP).
  • OTP optical path track
  • PTP parallel track pass
  • FIGS. 4A and 4B illustrate other conventional methods of recording data on a dual recording layer disc.
  • FIG. 4A shows the case where the recording direction is the OTP
  • FIG. 4B shows the case where the recording direction is the PTP.
  • the data recording methods shown in FIGS. 4A and 4B show the case where data is recorded up to a specified position before the lead-out area on each recording layer in order to record the same amount of data on each of the two recording layers L 1 and L 2 , and pattern data having the lead-out attribute is recorded on the remaining area, when the total amount of data to be recorded is less than the total capacity of the two recording layers L 1 and L 2 .
  • FIGS. 4A and 4B which record the pattern data having the lead-out attribute on to the outermost circumference of the disc
  • the data recording methods shown in FIGS. 4A and 4B record data only as far as necessary, and do not record the data on to the outermost circumference of the disc.
  • a test area to record data for testing is allocated to the optical disc in order to record actual data at an optimum recording power before the actual data is recorded on the optical disc.
  • the test area since recording characteristics vary according to which recording layer data is recorded on first, the test area must be allocated considering the recording characteristics when the test area for an optimum power control (OPC) is allocated to the optical disc.
  • OPC optimum power control
  • the test area is allocated to the outer circumference area of the optical disc, the characteristics of the outer circumference area must be considered.
  • the process is complicated by the fact that in an optical disc having a plurality of recording layers, the recording characteristics of the outer circumference area are worse than in an optical disc having a single recording layer.
  • the test area and an area having another purpose are allocated to the outer circumference area of the optical disc, the characteristics of the outer circumference area must also be considered.
  • An embodiment of the present invention provides an optical disc having a plurality of recording layers on which data can be recorded quickly and on which an exclusive area for a specified purpose can be selectively allocated at the outer area.
  • An embodiment of the present invention also provides a data recording method and apparatus for recording data on an optical disc having a plurality of recording layers quickly, and selectively allocating an exclusive area for a specified purpose to the outer area.
  • an optical disc having a plurality of recording layers, each recording layer including: a data area; a connecting area; and a remaining area.
  • the data, connecting, and remaining areas are respectively disposed in a direction from an inner circumference of the optical disc to an outer circumference.
  • An outer boundary of each of the data areas is determined according to an amount of data to be recorded. Locations of the connecting areas and the remaining areas are determined according to the determination of the outer boundary of each of the data areas.
  • an apparatus for recording/reproducing data including: a write/read unit which transfers data with respect to an optical disc having a plurality of recording layers; and a controller which determines an outer boundary of a data area of each recording layer according to an amount of data to be recorded and which determines corresponding locations of a connecting area and a remaining area of each recording layer according to the determination of the outer boundary of each of the data areas.
  • a method of recording data on a plurality of recording layers including: determining an outer boundary of a data area of each recording layer according to an amount of data to be recorded; and determining locations of a connecting area and a remaining area of each recording layer according to the determination of the outer boundary of each of the data areas.
  • a computer readable medium having recorded thereon a computer readable program for performing a method of recording data on a plurality of recording layers, the method including: determining an outer boundary of a data area of each recording layer according to an amount of data to be recorded; and determining locations of a connecting area and a remaining area of each recording layer according to the determination of the outer boundary of each of the data areas.
  • FIG. 1A illustrates the structure of a conventional rewritable optical disc
  • FIG. 1B illustrates the structure of a conventional read-only optical disc
  • FIGS. 2A and 2B illustrate conventional methods of recording data on a dual recording layer disc
  • FIGS. 3A and 3B illustrate other conventional methods of recording data on a dual recording layer disc
  • FIGS. 4A and 4B illustrate other conventional methods of recording data on a dual recording layer disc
  • FIG. 5 illustrates the structure of an optical disc according to an embodiment of the present invention
  • FIG. 6 illustrates a zone of a recording layer L 1 affected by a beam focused on a recording layer L 2 of the optical disc of FIG. 5 ;
  • FIG. 7 is a block diagram of a data recording/reproducing apparatus according to an embodiment of the present invention.
  • FIG. 5 illustrates the structure of an optical disc according to an embodiment of the present invention.
  • the optical disc shown in FIG. 5 is a dual layer rewritable optical disc having two recording layers L 1 and L 2 .
  • the recording layer L 1 includes a lead-in area 110 , a first data area 120 , a first connecting area 130 , a first non-usage area 140 , a first buffer area 150 , a first exclusive area 160 , and a first non-recording area 170 .
  • the recording layer L 2 includes a lead-out area 210 , a second data area 220 , a second connecting area 230 , a second exclusive area 240 , a second buffer area 250 , a second non-usage area 260 , and a second non-recording area 270 .
  • a non-limiting example of the detailed structure of the lead-in area 110 is the structure shown in FIG. 1 .
  • the structure of the lead-out area 210 is similar to the structure of the lead-in area 110 . However, it is to be understood that other structures can be used.
  • the first data area 120 and the second data area 220 are areas on which to record user data.
  • Data having a specified pattern indicating the end of the first or second data area 120 or 220 is recorded on the first connecting area 130 and the second connecting area 230 , respectively.
  • a data recording/reproducing apparatus (such as that shown in FIG. 7 ) recognizes the respective first or second connecting area 130 or 230 after the first or second data area 120 or 220 by reading the data having the specified pattern.
  • data having a lead-out attribute is recorded as the data having the specified pattern.
  • the first exclusive area 160 and the second exclusive area 240 are used for a specific purpose by the data recording/reproducing apparatus.
  • the first exclusive area 160 and the second exclusive area 240 are test areas for an optimum power control (OPC).
  • OPC means that an optimum recording power is determined in the data recording/reproducing apparatus through a preliminary test, before the user data is recorded on the rewritable disc.
  • the first exclusive area 160 and the second exclusive area 240 may be used for at least another purpose.
  • the first exclusive area 160 and the second exclusive area 240 may be used to record data indicating the time of recording and the type of data recording/reproducing apparatus.
  • the data recording/reproducing apparatus determines the size of the first exclusive area 160 and the second exclusive area 240 and whether or not they are allocated.
  • the data recording/reproducing apparatus determines the size of each of the data areas 120 and 220 to record the same amount of user data on each of the plurality of recording layers.
  • the beginning locations of the data areas 120 and 220 are specified, then if the size of each of the data areas 120 and 220 is determined, the ending locations of the data areas 120 and 220 are also determined. If the locations of the data areas 120 and 220 are determined, the locations of the connecting areas 130 and 230 having a specified size are determined. Finally, it is determined whether or not to allocate the first exclusive area 160 and the second exclusive area 240 .
  • the size of each of the first exclusive area 160 and the second exclusive area 240 is determined by the data recording/reproducing apparatus later according to the usage frequency of the exclusive area 160 or 240 . Since the beginning locations of the first exclusive area 160 and the second exclusive area 240 are specified, then if the size of each of the exclusive areas 160 and 240 is determined, ending locations of the exclusive areas 160 and 240 are also determined.
  • Various methods may be used to determine whether or not to allocate the first exclusive area 160 and the second exclusive area 240 . For example, if the size of the first data area 120 and the second data area 220 are determined, then the locations of the connecting areas 130 and 230 having a specified size are determined. If the locations of the connecting areas 130 and 230 are determined, the size of each of remaining areas from the outer boundaries of the connecting areas 130 and 230 to the outermost circumference is calculated. The data recording/reproducing apparatus allocates the first exclusive area 160 or the second exclusive area 240 to the optical disc when the size of each of remaining areas is larger than a specified standard value. As a non-limiting example, 3% of the total amount of data that can be recorded on one recording layer L 1 or L 2 may be used as the specified standard value. However, it is to be understood that other amounts can be used.
  • the first exclusive area 160 or the second exclusive area 240 When the first exclusive area 160 or the second exclusive area 240 is allocated, data indicating the fact is recorded on a specified area, e.g., the lead-in area 110 .
  • the directions of the first exclusive area 160 and the second exclusive area 240 are opposite to each other, and the direction of each exclusive area 160 or 240 is opposite to that of the data area 120 or 220 in the recording layer L 1 or L 2 in which that exclusive area 160 or 240 exists.
  • the direction of the first data area 120 in the recording layer L 1 is outward, and the direction of the first exclusive area 160 is inward.
  • the direction of the second data area 220 in the recording layer L 2 is inward, and the direction of the second exclusive area 240 is outward.
  • the first non-usage area 140 and the second non-usage area 260 are completely unused.
  • recording characteristics vary according to which recording layer is recorded first. In particular, the recording characteristics of the outer area of the optical disc are worse than in the inner area. Therefore, no data is recorded by designating an area of the recording layer L 2 located at the same location with the first exclusive area 160 as the second non-usage area 260 . Likewise, no data is recorded by designating an area of the recording layer L 1 located at the same location with the second exclusive area 240 as the first non-usage area 140 .
  • the first buffer area 150 and the second buffer area 250 are prepared considering influences caused by eccentricity of the optical disc and a beam focused on another recording layer. Like the first non-usage area 140 and the second non-usage area 260 , no data is recorded on the first buffer area 150 and the second buffer area 250 .
  • FIG. 6 illustrates a zone of the recording layer L 1 affected by a beam focused on the recording layer L 2 .
  • a zone of the recording layer L 1 corresponding to a radius y is affected by the beam 400 .
  • the first buffer area 150 and the second buffer area 250 are allocated to a proper size considering the influence of the beam 400 radiated to record data on another recording layer and the eccentricity of the optical disc.
  • the first non-recording area 170 and the second non-recording area 270 are located on the outmost circumference of the disc and are designated as areas on which data is not recorded to compensate for bad recording characteristics. However, the first non-recording area 170 and the second non-recording area 270 may not be allocated.
  • FIG. 7 is a block diagram of a data recording/reproducing apparatus according to an embodiment of the present invention.
  • the apparatus includes a write/read unit 1 , a controller 2 , and a memory 3 .
  • An optical disc 100 has the structure shown in FIG. 5 according to an embodiment of the present invention.
  • the write/read unit 1 records data on the optical disc 100 or reads the recorded data, under the control of the controller 2 .
  • User data to be recorded on the optical disc 100 is temporarily stored in the memory 3 under the control of the controller 2 .
  • data read from the optical disc 100 is stored in the memory 3 .
  • the controller 2 determines the size and location of each area of the optical disc 100 as described above. In particular, the controller 2 determines the allocation and location of the first exclusive area 160 and the second exclusive area 240 .
  • the controller 2 determines the size of the first data area 120 and the second data area 220 , to record the same amount of user data on each of a plurality of recording layers when the amount of user data to be recorded on the optical disc 100 is less than the total recordable capacity of the optical disc 100 .
  • the beginning (i.e., start) locations of the data areas 120 and 220 are specified, then if the size of each of the data areas 120 and 220 is determined, the ending locations of the data areas 120 and 220 are determined. If the locations of the data areas 120 and 220 are determined, the locations of the connecting areas 130 and 230 having a specified size are automatically determined.
  • the controller 2 determines whether or not to allocate the exclusive areas 160 and 240 of the recording layers L 1 and L 2 according to a specified standard. For example, if the sizes of the first data area 120 and the second data area 220 are determined, and if the locations of the connecting areas 130 and 230 having a specified size are determined, the controller 2 can calculate the size of each of the remaining areas from the outer boundaries of the connecting areas 130 and 230 to the outermost circumference. The controller 2 allocates the first exclusive area 160 or the second exclusive area 240 to the optical disc 100 when the size of each of remaining areas is larger than a specified standard value. As a non-limiting example, 3% of the total amount of data that can be recorded on one recording layer L 1 or L 2 may be used as the specified standard value.
  • the controller 2 controls the write/read unit 1 to record data indicating that the first exclusive area 160 or the second exclusive area 240 has been allocated on a specified area, e.g., the lead-in area 110 .
  • the directions of the first exclusive area 160 and the second exclusive area 240 are opposite to each other, and the direction of each exclusive area 160 or 240 is opposite to the direction of the data area 120 or 220 in the recording layer L 1 or L 2 in which that exclusive area 160 or 240 exists.
  • the controller 2 designates an area of the recording layer L 2 at the same location as the first exclusive area 160 as the second non-usage area 260 . Likewise, the controller 2 designates an area of the recording layer L 1 at the same location as the second exclusive area 240 as the first non-usage area 140 .
  • the controller 2 allocates the first buffer area 150 and the second buffer area 250 considering influences caused by eccentricity of the optical disc and a beam focused on another recording layer. While described in terms of a recording/reproducing apparatus, it is to be understood that the apparatus need not perform both recording and reproduction.
  • aspects of the present invention may be embodied in a general-purpose or a specific-purpose computer by running a program from a computer readable medium, including but not limited to storage media such as magnetic storage media (ROMs, RAMs, floppy disks, magnetic tapes, etc.), optically readable media (CD-ROMs, DVDs, etc.), and carrier waves (transmission over the internet).
  • the present invention may be embodied as a computer readable medium having a computer readable program code unit embodied therein for causing a number of computer systems connected via a network to effect distributed processing.
  • exclusive areas can be selectively allocated for a specified purpose, to allow data to be recorded quickly, and to allow data to be recorded reliably on the outer area of the optical disc.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
US10/966,040 2004-06-23 2004-10-18 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon Abandoned US20050286399A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US11/205,010 US8351314B2 (en) 2004-06-23 2005-08-17 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/429,101 US20060198266A1 (en) 2004-06-23 2006-05-08 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,882 US20060203671A1 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,971 US8432778B2 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040046844A KR100667755B1 (ko) 2004-06-23 2004-06-23 복수의 기록층을 구비한 광 디스크, 데이터 기록 방법 및그 장치
KR2004-46844 2004-06-23

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Application Number Title Priority Date Filing Date
US11/205,010 Continuation US8351314B2 (en) 2004-06-23 2005-08-17 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/429,101 Continuation US20060198266A1 (en) 2004-06-23 2006-05-08 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,882 Continuation US20060203671A1 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon

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US20050286399A1 true US20050286399A1 (en) 2005-12-29

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US10/966,040 Abandoned US20050286399A1 (en) 2004-06-23 2004-10-18 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/205,010 Expired - Fee Related US8351314B2 (en) 2004-06-23 2005-08-17 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/429,101 Abandoned US20060198266A1 (en) 2004-06-23 2006-05-08 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,971 Expired - Fee Related US8432778B2 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,882 Abandoned US20060203671A1 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon

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US11/205,010 Expired - Fee Related US8351314B2 (en) 2004-06-23 2005-08-17 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/429,101 Abandoned US20060198266A1 (en) 2004-06-23 2006-05-08 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,971 Expired - Fee Related US8432778B2 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon
US11/430,882 Abandoned US20060203671A1 (en) 2004-06-23 2006-05-10 Optical disc having plurality of recording layers, and method and apparatus for recording data thereon

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US (5) US20050286399A1 (fr)
EP (2) EP2109102A1 (fr)
JP (2) JP2008503849A (fr)
KR (1) KR100667755B1 (fr)
CN (4) CN101819785B (fr)
CA (1) CA2571525C (fr)
HK (1) HK1102863A1 (fr)
MX (1) MXPA06015185A (fr)
MY (1) MY138702A (fr)
RU (1) RU2333548C1 (fr)
TW (1) TWI314318B (fr)
WO (1) WO2006001621A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070058503A1 (en) * 2005-09-13 2007-03-15 Kazuo Watabe Information storage medium, recording method, reproducing method, and reproducing apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100667755B1 (ko) * 2004-06-23 2007-01-11 삼성전자주식회사 복수의 기록층을 구비한 광 디스크, 데이터 기록 방법 및그 장치
KR101044938B1 (ko) 2004-07-10 2011-06-28 삼성전자주식회사 복수의 기록층을 구비한 정보 저장 매체 및 기록／재생 장치

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US8432778B2 (en) 2013-04-30
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CN101819785B (zh) 2011-12-28
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