KR20060096165A - 구조체 및 그 제조 방법과, 구조체 형성용 매체와, 광 기록매체 및 그 재생 방법 - Google Patents
구조체 및 그 제조 방법과, 구조체 형성용 매체와, 광 기록매체 및 그 재생 방법 Download PDFInfo
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- KR20060096165A KR20060096165A KR1020067013629A KR20067013629A KR20060096165A KR 20060096165 A KR20060096165 A KR 20060096165A KR 1020067013629 A KR1020067013629 A KR 1020067013629A KR 20067013629 A KR20067013629 A KR 20067013629A KR 20060096165 A KR20060096165 A KR 20060096165A
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- optical recording
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- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
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- G11B7/24085—Pits
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- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
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- Manufacturing Optical Record Carriers (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Abstract
Description
Claims (34)
- 적어도 광 흡수 재료를 함유하는 광 흡수층과, 열 반응 재료를 함유하는 열 반응층의 적층 구성을 갖는 것을 특징으로 하는 구조체 형성용 매체.
- 제1항에 있어서, 열 반응층은 적층 구성의 최상층에 위치하고, 또한 상기 열 반응층은, 조사(照射)하는 광의 파장에 있어서 투광성을 갖는 재료를 함유하는 것인 구조체 형성용 매체.
- 제1항 또는 제2항에 있어서, 열 반응층은 재료 A와 재료 B의 혼합물을 함유하고, 상기 재료 A는 실리콘 화합물 재료이며, 또한 상기 재료 B는 황화물 재료, 셀레늄화물 재료 및 불소화합물 재료로부터 선택되는 적어도 1 종인 것인 구조체 형성용 매체.
- 적어도 광 흡수 재료를 함유하는 광 흡수층과, 열 반응 재료를 함유하는 열 반응층의 적층 구성을 갖는 구조체 형성용 매체에 대하여 광을 조사하는 광 조사 공정과, 이 광 조사된 구조체 형성용 매체를 에칭 가공하는 에칭 공정을 포함하는 것을 특징으로 하는 구조체의 제조 방법.
- 제4항에 있어서, 열 반응층은 적층 구성의 최상층에 위치하고, 또한 상기 열 반응층은, 조사하는 광의 파장에 있어서 투광성을 갖는 재료를 함유하는 것인 구조체의 제조 방법.
- 제4항 또는 제5항에 있어서, 열 반응층은 재료 A와 재료 B의 혼합물을 함유하고, 상기 재료 A는 실리콘 화합물 재료이며, 또한 상기 재료 B는 황화물 재료, 셀레늄화물 재료 및 불소화합물 재료로부터 선택되는 적어도 1 종인 것인 구조체의 제조 방법.
- 제4항 내지 제6항 중 어느 한 항에 있어서, 광 조사 공정에서 최상층의 열 반응층측에서 광을 조사하는 것인 구조체의 제조 방법.
- 제4항 내지 제7항 중 어느 한 항에 있어서, 광 조사 공정에서 조사하는 광은 레이저광인 것인 구조체의 제조 방법.
- 제8항에 있어서, 레이저 광원이 반도체 레이저인 것인 구조체의 제조 방법.
- 제9항에 있어서, 구조체 형성용 매체에 레이저광을 조사하는 반도체 레이저광 조사 수단과, 레이저광 변조 수단과, 매체 구동 수단을 구비한 레이저광 조사 장치를 이용하는 것인 구조체의 제조 방법.
- 제8항 내지 제10항 중 어느 한 항에 있어서, 구조체 형성용 매체에 레이저광을 조사할 때에 상기 매체를 회전시키는 것인 구조체의 제조 방법.
- 제11항에 있어서, 구조체 형성용 매체에 레이저광을 조사하는 레이저광 조사 수단과, 레이저광 변조 수단과, 매체 회전 수단과, 신호 검출 수단을 구비한 레이저광 조사 장치를 이용하는 것인 구조체의 제조 방법.
- 제4항 내지 제12항 중 어느 한 항에 있어서, 에칭 공정은 습식 에칭법으로 행해지는 것인 구조체의 제조 방법.
- 제4항 내지 제13항 중 어느 한 항에 따른 구조체의 제조 방법에 의해 제조된 것을 특징으로 하는 구조체.
- 제14항에 있어서, 구조체의 단면의 단부면 형상이 대략 수직 내지 대략 역 테이퍼 형상 중 어느 하나인 것인 구조체.
- 제14항 또는 제15항에 있어서, 구조체는 광 기록 매체의 표면에 형성된 볼록형 구조체인 것인 구조체.
- 기판과, 이 기판상에 광을 흡수하여 발열하는 광 흡수층과, 이 광 흡수층에 접하여 상기 광 흡수층과는 다른 재질을 함유하는 볼록형 구조체를 갖고, 상기 볼록형 구조체가 제4항 내지 제13항 중 어느 한 항에 따른 구조체의 제조 방법에 의해 형성된 것을 특징으로 하는 광 기록 매체.
- 기판과, 이 기판상에 광을 흡수하여 발열하는 광 흡수층과, 이 광 흡수층에 접하여 상기 광 흡수층과는 다른 재질을 함유하는 볼록형 구조체와, 이 볼록형 구조체상에 광에 대하여 광 투과성을 갖는 광 투과층을 갖고, 상기 볼록형 구조체가 제4항 내지 제13항 중 어느 한 항에 따른 구조체의 제조 방법에 의해 형성되며, 또한 상기 광 투과층은 상기 볼록형 구조체 표면을 피복하여 대략 반구형으로 형성되어 있는 것을 특징으로 하는 광 기록 매체.
- 제17항 또는 제18항에 있어서, 볼록형 구조체는 대략 기둥 형상인 것인 광 기록 매체.
- 제17항 내지 제19항 중 어느 한 항에 있어서, 볼록형 구조체는 대략 원기둥 형상이며, 기록 정보에 따라서 상기 볼록형 구조체의 직경이 변화하는 것인 광 기록 매체.
- 제17항 내지 제20항 중 어느 한 항에 있어서, 볼록형 구조체는 대략 원기둥 형상이며, 또한 광 기록 매체 면내에 있어서의 상기 볼록형 구조체의 배열이 3회 대칭 배열인 것인 광 기록 매체.
- 제17항 내지 제21항 중 어느 한 항에 있어서, 광 기록 매체의 반경 방향에 있어서 n 트랙 열(단, n 은 2 이상의 정수를 나타냄)마다 볼록형 구조체가 존재하지 않는 트랙 열이 설치되는 것인 광 기록 매체.
- 제17항 내지 제22항 중 어느 한 항에 있어서, 광 흡수층은 Sb, Te, 및 In으로부터 선택되는 적어도 1 종류의 원소를 함유하는 것인 광 기록 매체.
- 제17항 내지 제22항 중 어느 한 항에 있어서, 볼록형 구조체는 재료 A와 재료 B의 혼합물을 함유하고, 상기 재료 A는 실리콘 화합물 재료이며, 또한 상기 재료 B는 황화물 재료, 셀레늄화물 재료 및 불소화합물 재료로부터 선택되는 적어도 1 종인 것인 광 기록 매체.
- 제24항 있어서, 볼록형 구조체는 ZnS와 SiO2의 혼합물을 함유하는 것인 광 기록 매체.
- 제17항 내지 제25항 중 어느 한 항에 있어서, 기판과 광 흡수층 사이에 버퍼층을 갖는 것인 광 기록 매체.
- 기판상에 재생광을 흡수하여 발열하는 광 흡수층과, 이 광 흡수층에 접하여 광 흡수층과는 다른 재질을 함유하는 볼록형 구조체를 갖는 광 기록 매체를 이용하여, 상기 광 흡수층 및 볼록형 구조체에 대하여 상기 볼록형 구조체측으로부터 재생광을 조사하여 반사광량을 검출하는 것을 특징으로 하는 광 기록 매체의 재생 방법.
- 기판상에 재생광을 흡수하여 발열하는 광 흡수층과, 이 광 흡수층에 접하여 상기 광 흡수층과는 다른 재질을 함유하는 볼록형 구조체와, 이 볼록형 구조체상에 재생광에 대하여 광 투과성을 갖는 광 투과층을 갖고, 이 광 투과층이 상기 볼록형 구조체 표면을 피복하여 대략 반구형으로 형성되어 있는 것인 광 기록 매체를 이용하여, 상기 광 흡수층, 볼록형 구조체 및 광 투과층으로 이루어지는 적층체에 대하여 상기 광 투과층측에서 재생광을 조사하여 반사광량을 검출하는 것을 특징으로 하는 광 기록 매체의 재생 방법.
- 제27항 또는 제28항에 있어서, 볼록형 구조체는 대략 기둥 형상인 것인 광 기록 매체의 재생 방법.
- 제27항 내지 제29항 중 어느 한 항에 있어서, 볼록형 구조체는 대략 원기둥 형상이며, 기록 정보에 따라서 상기 볼록형 구조체의 직경이 변화되는 것인 광 기 록 매체의 재생 방법.
- 제27항 내지 제30항 중 어느 한 항에 있어서, 볼록형 구조체는 대략 원기둥 형상이며, 또한 광 기록 매체 면내에 있어서의 상기 볼록형 구조체의 배열은 3회 대칭 배열인 것인 광 기록 매체의 재생 방법.
- 제27항 내지 제31항 중 어느 한 항에 있어서, 볼록형 구조체에 재생광을 조사하여 복수의 트랙 열을 동시에 재생하고, 상기 볼록형 구조체의 주기에 대응하여 반사광량을 검출하는 것인 광 기록 매체의 재생 방법.
- 제27항 내지 제32항 중 어느 한 항에 있어서, 광 기록 매체의 반경 방향에 있어서 n 트랙 열(단, n 은 2 이상의 정수를 나타냄)마다 상기 볼록형 구조체가 존재하지 않는 트랙 열이 설치되는 것인 광 기록 매체의 재생 방법.
- 제33항에 있어서, n-1 트랙 열을 동시에 재생하여 반사광량을 검출하는 것인 광 기록 매체의 재생 방법.
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JPJP-P-2003-00410876 | 2003-12-09 | ||
JP2003410876A JP2005174425A (ja) | 2003-12-09 | 2003-12-09 | 光記録媒体、光記録媒体の再生方法、及び光記録媒体の作製方法 |
JPJP-P-2004-00148442 | 2004-05-18 | ||
JP2004148442 | 2004-05-18 |
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KR20060096165A true KR20060096165A (ko) | 2006-09-07 |
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US (1) | US7501225B2 (ko) |
EP (1) | EP1695780B1 (ko) |
KR (1) | KR20060096165A (ko) |
DE (1) | DE602004029711D1 (ko) |
WO (1) | WO2005056223A1 (ko) |
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US8663772B2 (en) | 2007-03-19 | 2014-03-04 | Ricoh Company, Ltd. | Minute structure and information recording medium |
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JP2003242644A (ja) * | 2002-02-14 | 2003-08-29 | Tdk Corp | 光記録媒体への情報記録方法、情報記録装置及び光記録媒体 |
JP3912664B2 (ja) * | 2002-02-28 | 2007-05-09 | Tdk株式会社 | 光記録媒体への情報記録方法、情報記録装置及び光記録媒体 |
JP4647241B2 (ja) * | 2003-08-04 | 2011-03-09 | シャープ株式会社 | 光記録媒体原盤の製造方法、光記録媒体スタンパの製造方法、及び光記録媒体の製造方法 |
JP2005332452A (ja) * | 2004-05-18 | 2005-12-02 | Ricoh Co Ltd | 多値romディスク原盤の製造方法、製造装置及び多値romディスク |
US20080142475A1 (en) * | 2006-12-15 | 2008-06-19 | Knowles Electronics, Llc | Method of creating solid object from a material and apparatus thereof |
JP2009181662A (ja) * | 2008-01-31 | 2009-08-13 | Toshiba Corp | 原盤記録装置及び記録方法 |
US11733468B2 (en) * | 2021-12-08 | 2023-08-22 | Viavi Solutions Inc. | Photonic structure using optical heater |
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-
2004
- 2004-12-08 KR KR1020067013629A patent/KR20060096165A/ko not_active Abandoned
- 2004-12-08 WO PCT/JP2004/018317 patent/WO2005056223A1/ja active Application Filing
- 2004-12-08 DE DE602004029711T patent/DE602004029711D1/de not_active Expired - Lifetime
- 2004-12-08 EP EP04820242A patent/EP1695780B1/en not_active Expired - Lifetime
-
2006
- 2006-06-09 US US11/449,766 patent/US7501225B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8663772B2 (en) | 2007-03-19 | 2014-03-04 | Ricoh Company, Ltd. | Minute structure and information recording medium |
US9165590B2 (en) | 2007-03-19 | 2015-10-20 | Ricoh Company, Ltd. | Minute structure and information recording medium |
Also Published As
Publication number | Publication date |
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EP1695780A1 (en) | 2006-08-30 |
US20060269872A1 (en) | 2006-11-30 |
EP1695780A4 (en) | 2007-05-16 |
EP1695780B1 (en) | 2010-10-20 |
WO2005056223A1 (ja) | 2005-06-23 |
DE602004029711D1 (de) | 2010-12-02 |
US7501225B2 (en) | 2009-03-10 |
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