TW468177B - Data storage method, data storage medium and data storage recording device - Google Patents

Data storage method, data storage medium and data storage recording device Download PDF

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Publication number
TW468177B
TW468177B TW088113024A TW88113024A TW468177B TW 468177 B TW468177 B TW 468177B TW 088113024 A TW088113024 A TW 088113024A TW 88113024 A TW88113024 A TW 88113024A TW 468177 B TW468177 B TW 468177B
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Taiwan
Prior art keywords
power level
pulse
data storage
edge
energy beam
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TW088113024A
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English (en)
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Takeshi Maeda
Hirofumi Sukeda
Hiroyuki Minemura
Hidehiko Kando
Makoto Miyamoto
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Hitachi Ltd
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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical 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
    • G11B7/126Circuits, methods or arrangements for laser control or stabilisation
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045Recording
    • G11B7/00454Recording involving phase-change effects
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006Overwriting
    • G11B7/0062Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/007Arrangement 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
    • G11B7/00736Auxiliary data, e.g. lead-in, lead-out, Power Calibration Area [PCA], Burst Cutting Area [BCA], control information

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)

Description

468177 A8 B8 C8 D8 六 申請專利範圍 方法; 才木取依應&錄資訊之組合變化多脈波化能量射束之最 後脈波4能1位準下降沿定時,並大致固定上述最後脈 波之能量位準上升沿定時之第3定時調整方法; 採取依應記錄資訊之組合變化多脈波化能量射束之最 後脈波4能量位準T降沿定時,並依應記錄資訊之組合 變化上述最後脈波之能量位準上升沿定時之第4定時調整 方法; 第1資訊係顯示就上述第1定時調整方法或上述第2定 時調整方法應選擇那一個; 第2資訊係顯示就上述第3定時調整方法或上述第*定 時調整方法應選擇那一個; 上述圮錄媒體具有記錄上述第丨資訊及第2資訊之一或 一者以作為媒體資訊之領域;或者 記錄上述第1資訊及上述第2資訊之一或二者以作為媒 體資訊並作為不可改窝資訊。 5. —種資訊記錄裝置,其係具有能量射束產生器、可設定 上述能量射束產生器所產生能量射束之功率位準為第丨功 率位準及較上述第丨功率位準高之第2功率位準之功率調 整機構、能保持可藉上述第丨功率位準成第丨狀態並藉上 述第2功率位準成第2狀態之領域之記錄媒體之保持機 構、可使上述能量射束與上述記錄媒體相對移動之移動 機構:可將上述能量射束照射於上述記錄媒體之預定部 位之定位機構以及將應記錄資訊變成上述能量射束之功 -3 - 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) 468177
A B c D 々、申請專利範圍 率位準之信號處理電路者,且其係具有上述功率調整機 構,而上述功率調整機構具有將上述能量射束之上述功 率位準設定成較上述第2功率位準低之第3功率位準之功 能,在上述第2狀態之領域形成於上述記錄.媒體之際,於 上述第2狀態之領域之長度形成特定長度情形下,發揮將 上述第3功率位準之期間混合於上述第2功率位準之期間 而使上述能量射束多脈波化之功能者,特徵在於具有: 第1定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最前脈波之能量射束位準上升沿定時, 並大致固定上述最前脈波之能量位準下降沿定時; 第2定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最前脈波之能量位準上升沿定時,並依 應記錄資訊之組合變化上述最前脈波之能量位準下降沿 定時; 第3定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最後脈波之能量位準下降沿定時,並大 致固定上述最後脈波之能量位準上升沿; 第4定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最後脈波之能量位準下降沿定時,並依 應記錄資訊之組合變化上述最後脈波之能量位準上升沿 定時; 第1切換機構,可按需要切換上述第1定時調整裝置與 上述第2定時調整裝置;以及 第2切換機構,可按需要切換上述第3定時調整裝置與 -4- 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)
申凊專利範圍 上述第4定時調整裝置。 6·如申請專利範圍第5項之資訊記錄裝置, 上述圮錄媒體上之上述媒體資訊讀出結果 其中依記錄於 ’作動上述第1 切換機構,或作動上述第2切換機構,或作動第1及第2 切換機構二者。 7·如申睛專利範圍第6項之資訊記錄裝置,其中上述第3功 率位準與上述第2功率位準相等或在其以下,設有第4功 率位準,上述第4功率位準與上述第2功率位準相等或在 =以下,上述第4功率位準與上述第3功率位準相等或在 八乂上接續上述多脈波之上述最後脈波以上述第4功率 位準將上述能量射束照射於上述記錄媒體上。 8·如申凊專利範圍第7項之資訊記錄裝置,其中上述第*功 率位準科之時間與上述能量射束之上述最後脈波定時 凋整量及定時調整裝置無關,經常大致保持一定。 卜上述第2功率 將上述能量射 位準之期間,使上述能量射束多脈波化 9· 一種資訊記錄方法,其係使用可藉能量射束之第1功率位 準成第1狀態之領域且可藉較上述第丨功率位準高之第2 功率位準成第2狀態之領域之記錄㈣,使上述能量射束 與上述記錄媒體相對移動,將上述能量射束照射在上述 記錄媒體,藉此,以預定長度及間隔形成上述第丨狀態之 邊域及上述第2狀態之領域於上述記錄媒體上,藉而記 錄貝訊於上述記錄媒體者,其設有較上述第2功率位準低 1第3功率位準,於以特定長度形成上述第2狀態之領域 情形下,將上述第3功率位準之期間混合於上述第2功率 本紙張尺度適用中國國家標準(CNS) A4規格(21〇χ 297公釐)
束照射於上述記錄媒體者,其中: 包含在以特定長度形成上述第2狀態之領域情形下,大 致固定上述多脈波之最前脈波下降沿,移動上升沿位置 义方法1 ’以及在以特定長度形成上述第2狀態之領域情 形下’大致固定上述多脈波之最後脈波上升沿,移動下 降沿位置之方法2中之至少一方法,設有與上述第1功率 位準相等或較上述第1功率位準低之第4功率位準,接續 上述多脈波之最後脈波將能量射束之功率位準保持於上 述第4功率位準達預定時間之後,保持於上述第1功率位 準,上述第4功率位準之保持時間不依上述最後脈波下降 沿之位置變化,經常保持一定。 1〇·如申請專利範圍第9項之資訊記錄方法,其係按照上述多 脈波所形成一個第2狀態之領域之長度,以及鄰接上述一 個第2狀態之領域並於上述一個第2狀態之領域正前所形 成上述弟1狀態之領域之長度等二者之長度,調整上述最 前脈波之上升沿位置。 11. 如申請專利範圍第9項之資訊記錄方法,其係按照上述多 脈波所形成一個第2狀態之領域之長度,以及鄰接上述一 個第2狀態之領域並於上述一個第2狀態之領域正後所形 成之上述弟1狀惡之領域之長度等二者之長度,調整上述 最後脈波下降沿之位置。 12. —種資訊記錄裝置’其係具有能量射束產生器,可設定 上述能量射束產生器所產生能量射束之功率位準為第 率位準及較上述第1功率位準高之第2功率位準之功率調 -6 - 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)
A B c D 468177 六、申請專利範圍 整機構、能保持可藉上述第1功率位準成第1狀態並藉上 述第2功率位準成第2狀態之領域之記錄媒體之保持機 構、可使上述能量射束與上述記錄媒體相對移動之移動 機構、可將上述能量射束照射於上述記錄媒體之預定部 位之定位機構以及將應記錄資訊變成上述能量射束之功 率位準之信號處理電路者,且其係具有上述功率調整機 構,而上述功率調整機構具有將上述能量射束之上述功 率位準設定成較上述第2功率位準低之第3功率位準之功 能,在上述第2狀態之領域形成於上述記錄媒體之際,於 上述第2狀態之領域之長度形成特定長度情形下,發揮將 上述第3功率位準之期間混合於上述第2功率位準之期間 而使上述能量射束多脈波化之功能者,特徵在於具有: 第1定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最前脈波之能量位準上升沿定時,並大 致固定上述最前脈波之能量位準下降沿定時; 第2定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最前脈波之能量位準上升沿定時,並依 應記錄資訊之組合變化上述最前脈波之能量位準下降沿 定時;以及 切換機構,按需要切換上述第1定時調整裝置與上述第 2定時調整裝置。 13. —種資訊記錄裝置,其係具有能量射束產生器、可設定 上述能量射束產生器所產生能量射束之功率位準為第1功 率位準及較上述第1功率位準高之第2功率位準之功率調 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 468177
A B c D 六、申請專利範圍 整機構、能保持可藉上述第1功率位準成第1狀態並藉上 述第2功率位準成第2狀態之領域之記錄媒體之保持機 構、可使上述能量射束與上述記錄媒體相對移動之移動 機構、可將上述能量射束照射於上述記錄媒體之預定部 位之定位機構以及將應記錄資訊變成上述能量射束之功 率位準之信號處理電路者,且其係具有上述功率調整機 構,而上述功率調整機構具有將上述能量射束之上述功 率位準設定成較上述第2功率位準低之第3功率位準之功 能,在上述第2狀態之領域形成於上述記錄媒體之際,於 上述第2狀態之領域之長度形成特定長度情形下,發揮將 上述第3功率位準之期間混合於上述第2功率位準之期間 而使上述能量射束多脈波化之功能者,特徵在於具有: 第1定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最後脈波之能量位準下降沿定時,並大 致固定上述最後脈波之能量位準上升沿定時; 第2定時調整裝置,依應記錄資訊之組合變化上述多脈 波化能量射束之最後脈波之能量位準下降沿定時,並依 應記錄資訊之組合變化上述最後脈波之能量位準上升沿 定時;以及 切換機構,按需要切換上述第1定時調整裝置與上述第 2定時調整裝置。 -8- 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)
TW088113024A 1998-08-04 1999-07-30 Data storage method, data storage medium and data storage recording device TW468177B (en)

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JP22009798 1998-08-04
JP24674498 1998-09-01

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US (1) US6160784A (zh)
EP (2) EP2015300A1 (zh)
KR (1) KR100337945B1 (zh)
CN (2) CN1280792C (zh)
TW (1) TW468177B (zh)

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US6160784A (en) 2000-12-12
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EP2015300A1 (en) 2009-01-14
CN1280792C (zh) 2006-10-18
EP0978827A3 (en) 2001-01-10
CN1149544C (zh) 2004-05-12
CN1244003A (zh) 2000-02-09
KR20000017004A (ko) 2000-03-25
EP0978827A2 (en) 2000-02-09

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