CA2515435A1 - Write-once optical recording medium and defect management information management method thereof - Google Patents

Write-once optical recording medium and defect management information management method thereof Download PDF

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Publication number
CA2515435A1
CA2515435A1 CA002515435A CA2515435A CA2515435A1 CA 2515435 A1 CA2515435 A1 CA 2515435A1 CA 002515435 A CA002515435 A CA 002515435A CA 2515435 A CA2515435 A CA 2515435A CA 2515435 A1 CA2515435 A1 CA 2515435A1
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CA
Canada
Prior art keywords
defect management
area
recording medium
temporary defect
optical recording
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002515435A
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French (fr)
Other versions
CA2515435C (en
Inventor
Yong Cheol Park
Sung Dae Kim
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LG Electronics Inc
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2515435A1 publication Critical patent/CA2515435A1/en
Application granted granted Critical
Publication of CA2515435C publication Critical patent/CA2515435C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B2020/1873—Temporary defect structures for write-once discs, e.g. TDDS, TDMA or TDFL
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Abstract

The invention provides a method of recording management information on a recording medium having at least one temporary defect management area, characterized in that the method comprising: recording defect management information on one of the at least one temporary defect management area; and recording indication information being used to identify which area among the at least one temporary defect management area is full.

Claims (55)

1. A method of managing defects on a write-once optical recording medium having at least one recording layer, the method comprising the steps of:
allocating at least one temporary defect management area having a fixed size and at least one temporary defect management area having a variable size to the optical recording medium, respectively; and recording defect management information on the at least one temporary defect management area having a fixed size and/or the at least one temporary defect management area having a variable size.
2. The method of managing of claim 1, wherein in the step of allocating, the optical recording medium has at least two recording layers, a first recording layer which includes a temporary defect management area having a fixed size and a temporary defect management area having a variable size, and a second recording layer which includes a temporary defect management area having a fixed size and at least two temporary defect management areas having a variable size.
3. The method of managing of claim 1, wherein in the allocating step, the at least one temporary defect management area having a fixed size is allocated to at least one of a lead-in area and a lead-out area of the optical recording medium.
4. The method of managing of claim 3, wherein in the allocating step, the at least one temporary defect management area having a variable size is allocated to at least one spare of the optical recording medium.
5. The method of managing of claim 4, wherein the at least one spare area includes an inner spare area and an outer spare area on the optical recording medium.
6. The method of managing of claim 1, wherein the step of allocating further comprises:
allocating at least one inner spare area, a portion of which is used to replace a defective area;
allocating at least one outer spare area, a portion of which is used to replace a defective area; and allocating a portion of the at least one outer or inner spare area as a temporary defect management area to manage defect management information.
7. The method of managing of claim 1, wherein in the step of allocating, the at least one temporary defect management area is allocated to a first outer spare area on the optical recording medium and has a size variable depending on a size of the entire first outer spare area.
8. The method of managing of claim 1, wherein in the step of allocating, the optical recording medium has at least two recording layers, a first recording layer which includes a first inner spare area, an entire area of which is used to replace a defective area and a first outer spare area having a variably allocated size, and a second recording layer which includes a second inner spare area and a second outer spare area.
9. The method of managing of claim 4, wherein in the step of allocating, if the at least one spare area is not allocated, the at least one temporary defect management area having a variable size is not allocated, but only the at least one temporary defect management area having a fixed size is allocated.
10. The method of managing of claim 4, wherein in the step of allocating, if the at least one spare area is allocated, the at least one temporary defect management area having a variable size is not allocated, but only the at least one temporary defect management area having a fixed size is allocated.
11. The method of managing of claim 1, wherein the optical recording medium is a write-once Blu-ray disc (BD-WO).
12. The method of managing of claim 1, wherein in the step of recording, said defect management information includes at least one temporary defect list (TDFL) and at least one temporary disc definition structure (TDDS).
13. The method of managing of claim 12, wherein the size of the at least one temporary disc definition structure is fixed, and the size of the at least one temporary defect list is variable.
14. The method of managing of claim 12, wherein the at least one temporary defect list and the at least one temporary disc definition structure are separated.
15. The method of managing of claim 12, wherein the at least one temporary defect list and the at least one temporary disc definition structure are integrated.
16. The method of managing of claim 1, wherein in the step of recording, the at least one temporary defect management area having a fixed size and the at least one temporary defect management areas having a variable size are used sequentially to record therein the defect management information.
17. The method of managing of claim 1, wherein in the step of recording, the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size are used randomly without a predetermined order to record therein the defect management information.
18. The method of managing of claim 1, wherein in the step of recording, the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size are used in an order depending on the significance given to the defect management information.
19. The method of managing of claim 1, wherein in the step of recording, the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size are used in an order which depends on a number of defective areas present on the optical recording medium.
20. The method of managing of claim 1, wherein in the step of recording, the defect management information is recorded on the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size depending on a time duration between a previous defect management information update time and a current defect management information update time.
21. The method of managing of claim 20, wherein if the time duration between the previous update time and the current update time exceeds a reference time duration, the defect management information is recorded on the at least one temporary defect management area having a fixed size.
22. The method managing of claim 1, wherein in the step of recording, the defect management information is recorded on the at least one temporary defect management area having a variable size when using the optical recording medium and on the at least one temporary defect management area having a fixed size when ejecting the optical recording medium.
23. The method of managing of claim 1, wherein, if a defective area is created when recording data, the data to be recorded is recorded on a predetermined area for linear replacement, and in the recording step, the defect management information pertaining to the defective area is recorded randomly in either the at least one temporary defect management area having a fixed size or the ate least one temporary defect management area having a variable size depending on which temporary defect management area is nearest to the created defective area.
24. The method of managing of claim 1, wherein the at least one temporary defect management area having a variable size is accessed first at an initial time of loading the optical recording medium.
25. The method of managing of claim 1, wherein in the recording step, the defect management information includes full indication information providing notification of which area among the temporary defect management areas is full.
26. The method of managing of claim 1, further comprising:
recording defect management information on a permanent defect management area of the optical recording medium when the optical recording medium is to be finalized.
27. The method of managing of claim 1, further comprising:
recording defect management information in a permanent management area of the optical recording medium when a spare area of the optical recording medium is full.
28. The method of managing of claim 1, further comprising:
recording defect management information on a permanent management area of the optical recording medium when the temporary defect management areas are full and defects cannot be managed any longer.
29. An apparatus for managing defects on a write-once optical recording medium, the apparatus comprising:
means for allocating at least one temporary defect management area having a fixed size and at least one temporary defect management area having a variable size to the optical recording medium, respectively; and means for recording defect management information on the at least one temporary defect management area having a fixed size and/or the at least one temporary defect management area having a variable size.
30. A write-once optical recording medium having at least one recording layer, comprising at least one temporary defect management area having a fixed size and at least one temporary defect management area having a variable size, wherein defect management information is recorded on the at least one temporary defect management area having a fixed size and/or the at least one temporary defect management area having a variable size.
31. The optical recording medium of claim 30, wherein the optical recording medium comprises at least two recording layers, including:
a first recording layer, which includes a temporary defect management area having a fixed size and a temporary defect management area having a variable size; and a second recording layer which includes a temporary defect management area having a fixed size and at least two temporary defect management areas having a variable size.
32. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a fixed size is located in at least one of a lead-in area and a lead-out area of the optical recording medium.
33. The optical recording medium of claim 32, wherein the at least one temporary defect management area having a variable size is located in at least one spare area of the optical recording medium.
34. The optical recording medium of claim 33, wherein the at least one spare area includes an inner spare area and an outer spare area on the optical recording medium.
35. The optical recording medium of claim 30, further comprising:
at least one inner spare area, a portion of which is used to replace a defective area; and at least one outer spare area, a portion of which is used to replace a defective area, wherein a portion of the at least one outer or inner spare area is used as a temporary defect management area to manage defect management information.
36. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a variable size is located in a first outer spare area on the optical recording medium and has a size variable depending on a size of the entire first outer spare area.
37. The optical recording medium of claim 30, wherein said optical recording medium has at least two recording layers, said at least two recording layers comprising:
a first recording layer which includes a first inner spare area, an entire area of which is used to replace a defective area and a first outer spare area having a variably allocated size; and a second recording layer which includes a second inner spare area and a second outer spare area.
38. The optical recording medium of claim 30, wherein the optical recording medium is a write-once Blu-ray disc (BD-WO).
39. The optical recording medium of claim 30, wherein said defect management information includes at least one temporary defect list (TDFL) and at least one temporary disc definition structure (TDDS).
40. The optical recording medium of claim 39, wherein the size of the at least one temporary disc definition structure is fixed, and the size of the at least one temporary defect list is variable.
41. The optical recording medium of claim 39, wherein the at least one temporary defect list and the at least one temporary disc definition structure are separated.
42. The optical recording medium of claim 39, wherein the at least one temporary defect list and the at least one temporary disc definition structure are integrated.
43. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a fixed size and the at least one temporary defect management areas having a variable size are used sequentially to record therein the defect management information.
44. The optical recording medium area having a fixed size and the at least one temporary defect management area having a variable size is used randomly without a predetermined order to record therein the defect management information.
45. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size are used in an order depending on the significance given to the defect management information.
46. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size are used in an order which depends on a number of defective areas present on the optical recording medium.
47. The optical recording medium of claim 30, wherein the defect management information is recorded on the at least one temporary defect management area having a fixed size and the at least one temporary defect management area having a variable size depending on a time duration between a previous defect management information update time and a current defect management information update time.
48. The optical recording medium of claim 47, wherein if the time duration between the previous update time and the current update time exceeds a reference time duration, the defect management information is recorded on the at least one temporary defect management area having a fixed size.
49. The optical recording medium of claim 30, wherein the defect management information is recorded on the at least one temporary defect management area having a variable size when using the optical recording medium and on the at least one temporary defect management area having a fixed size when ejecting the optical recording medium.
50. The optical recording medium of claim 30, wherein, if a defective area is created when recording data, the data to be recorded is recorded on a predetermined area for linear replacement, and in the recording step, the defect management information pertaining to the defective area is recorded randomly in either the at least one temporary defect management area having a fixed size or the ate least one temporary defect management area having a variable size depending on which temporary defect management area is nearest to the created defective area.
51. The optical recording medium of claim 30, wherein the at least one temporary defect management area having a variable size is accessed first at an initial time of loading the optical recording medium.
52. The optical recording medium of claim 30, wherein the defect management information includes full indication information providing notification of which area among the temporary defect management areas is full.
53. The optical recording medium of claim 30, further comprising:
a permanent management area to record therein defect management information when the optical recording medium is to be finalized.
54. The optical recording medium of claim 30, further comprising:
a permanent management area to record therein defect management information when a spare area of the optical recording medium is full.
55. The optical recording medium of claim 30, further comprising:
a permanent management area to record therein defect management information when the temporary defect management areas are full and defects cannot be managed any longer.
CA2515435A 2003-02-21 2003-10-01 Write-once optical recording medium and defect management information management method thereof Expired - Lifetime CA2515435C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
KR20030010925 2003-02-21
KR10-2003-0010925 2003-02-21
KR20030013200 2003-03-03
KR10-2003-0013200 2003-03-03
KR20030023876 2003-04-16
KR10-2003-0023876 2003-04-16
PCT/KR2003/002027 WO2004075180A1 (en) 2003-02-21 2003-10-01 Write-once optical recording medium and defect management information management method thereof

Publications (2)

Publication Number Publication Date
CA2515435A1 true CA2515435A1 (en) 2004-09-02
CA2515435C CA2515435C (en) 2012-12-04

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CA2515435A Expired - Lifetime CA2515435C (en) 2003-02-21 2003-10-01 Write-once optical recording medium and defect management information management method thereof

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US (2) US7643390B2 (en)
EP (2) EP2088598A3 (en)
JP (2) JP4838586B2 (en)
KR (1) KR101067777B1 (en)
CN (2) CN100385512C (en)
AT (1) ATE436069T1 (en)
AU (1) AU2003265116B2 (en)
BR (1) BR0318116A (en)
CA (1) CA2515435C (en)
DE (1) DE60328310D1 (en)
ES (1) ES2329034T3 (en)
MX (1) MXPA05008822A (en)
RU (1) RU2334289C2 (en)
TW (1) TWI335587B (en)
WO (1) WO2004075180A1 (en)

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