KR20040020071A - 광학적 정보 기록매체와 그 제조방법 및 기록 재생 소거방법 - Google Patents
광학적 정보 기록매체와 그 제조방법 및 기록 재생 소거방법 Download PDFInfo
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- G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
- G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
- G11B2007/2571—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
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Abstract
Description
Claims (14)
- 배리어 재료를 포함하는 배리어층과,정보를 기록하는 기록층과,보호층을 포함하며,상기 배리어층은 상기 기록층과 상기 보호층 사이에 형성되고, 상기 배리어 재료는 Ge-N, Ge-N-O, Ge-Si-N, Ge-Si-N-O, Ge-Sb-N, Ge-Sb-N-O, Ge-Cr-N, Ge-Cr-N-O, Ge-Ti-N 및 Ge-Ti-N-O 중 하나를 포함하는 것을 특징으로 하는 광학적 정보 기록매체.
- 제 1 항에 있어서,상기 보호층은 상기 배리어 재료를 포함하는 것을 특징으로 하는 광학적 정보 기록매체.
- 제 1 항에 있어서,반사층을 추가로 포함하며,상기 보호층은 상기 반사층과 상기 기록층 사이에 형성되고, 80㎚ 미만의 두께를 갖는 것을 특징으로 하는 광학적 정보 기록매체.
- 제 1 항에 있어서,상기 배리어 재료 중 적어도 질소 또는 산소의 양은 상기 배리어 재료의 화학양론적 조성보다도 적은 것을 특징으로 하는 광학적 정보 기록매체.
- 광학적 정보 기록매체를 제조하는 방법에 있어서,배리어 재료를 포함하는 배리어층을 형성하는 단계와,정보를 기록하는 기록층을 형성하는 단계와,보호층을 형성하는 단계를 포함하며,상기 배리어층은 상기 기록층과 상기 보호층 사이에 형성되고, 상기 배리어 재료는 Ge-N, Ge-N-O, Ge-Si-N, Ge-Si-N-O, Ge-Sb-N, Ge-Sb-N-O, Ge-Cr-N, Ge-Cr-N-O, Ge-Ti-N 및 Ge-Ti-N-O 중 하나를 포함하는 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 5 항에 있어서,상기 보호층은 상기 배리어 재료를 포함하는 타게트를 사용하여 적어도 희가스를 포함하는 분위기에서 고주파 스퍼터링법에 의해 형성되는 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 5 항에 있어서,상기 배리어층 또는 상기 보호층은 적어도 희가스와, 질소 성분 또는 산소 성분을 포함하는 가스를 포함하는 분위기에서 반응성 스퍼터링법에 의해 형성되는것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 7 항에 있어서,상기 희가스는 Ar 또는 Kr을 포함하는 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 7 항에 있어서,상기 반응성 스퍼터링은 전체 압력이 1mTorr 내지 50mTorr의 범위인 분위기 가스 중에서 실행되는 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 5 항에 있어서,상기 배리어층 또는 상기 보호층은 적어도 희가스와 N2를 포함하는 분위기에서 반응성 스퍼터링법에 의해 형성되고, N2의 분압비는 10%보다 크고 66%보다 작은 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 10 항에 있어서,상기 N2의 분압비는 10%보다 크고 50%보다 작은 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 5 항에 있어서,상기 배리어층 또는 상기 보호층은 적어도 희가스와 N2를 포함하는 분위기에서 반응성 스퍼터링법에 의해 형성되고, 상기 반응성 스퍼터링의 파워 밀도는 1.27 W㎤보다 높은 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 9 항에 있어서,상기 반응성 스퍼터링의 스퍼터율은 18㎚/분 보다 높은 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
- 제 5 항에 있어서,상기 배리어층 또는 상기 보호층의 복소 굴절률값 n+ik는 1.7n3.8 및 0k0.8의 범위 내에 있는 것을 특징으로 하는 광학적 정보 기록매체의 제조방법.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-1996-00052772 | 1996-03-11 | ||
JP5277296 | 1996-03-11 | ||
JP17606196 | 1996-07-05 | ||
JPJP-P-1996-00176061 | 1996-07-05 | ||
JPJP-P-1996-00234016 | 1996-09-04 | ||
JP23401696 | 1996-09-04 | ||
PCT/JP1997/000729 WO1997034298A1 (en) | 1996-03-11 | 1997-03-07 | Optical data recording medium, method of producing the same and method of reproducing/erasing record |
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KR19970708044A Division KR19990064995A (ko) | 1996-03-11 | 1997-11-11 |
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KR20040020071A true KR20040020071A (ko) | 2004-03-06 |
KR100668180B1 KR100668180B1 (ko) | 2007-01-11 |
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KR10-2004-7001258A KR20040020072A (ko) | 1996-03-11 | 1997-03-07 | 광학적 정보 기록매체와 그 제조방법 및 기록 재생 소거방법 |
KR1020047001257A KR100668180B1 (ko) | 1996-03-11 | 1997-03-07 | 광학적 정보 기록매체와 그 제조방법 및 기록 재생 소거방법 |
KR19970708044A KR19990064995A (ko) | 1996-03-11 | 1997-11-11 |
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KR10-2004-7001258A KR20040020072A (ko) | 1996-03-11 | 1997-03-07 | 광학적 정보 기록매체와 그 제조방법 및 기록 재생 소거방법 |
Family Applications After (1)
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KR19970708044A KR19990064995A (ko) | 1996-03-11 | 1997-11-11 |
Country Status (13)
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US (1) | US6153063A (ko) |
EP (1) | EP0825595B1 (ko) |
JP (3) | JP3707797B2 (ko) |
KR (3) | KR20040020072A (ko) |
CN (4) | CN1278325C (ko) |
DE (1) | DE69729990T2 (ko) |
HK (1) | HK1005274A1 (ko) |
ID (1) | ID16222A (ko) |
MX (1) | MX9708642A (ko) |
MY (1) | MY126400A (ko) |
SG (1) | SG93843A1 (ko) |
TW (1) | TW391001B (ko) |
WO (1) | WO1997034298A1 (ko) |
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1997
- 1997-03-07 SG SG9904279A patent/SG93843A1/en unknown
- 1997-03-07 KR KR10-2004-7001258A patent/KR20040020072A/ko not_active Application Discontinuation
- 1997-03-07 EP EP97906859A patent/EP0825595B1/en not_active Expired - Lifetime
- 1997-03-07 CN CNB2004100304075A patent/CN1278325C/zh not_active Expired - Lifetime
- 1997-03-07 CN CN2006101003479A patent/CN1897132B/zh not_active Expired - Lifetime
- 1997-03-07 CN CNB971905193A patent/CN1168080C/zh not_active Expired - Lifetime
- 1997-03-07 WO PCT/JP1997/000729 patent/WO1997034298A1/ja active IP Right Grant
- 1997-03-07 DE DE69729990T patent/DE69729990T2/de not_active Expired - Lifetime
- 1997-03-07 CN CNB2004100304041A patent/CN100492507C/zh not_active Expired - Lifetime
- 1997-03-07 KR KR1020047001257A patent/KR100668180B1/ko not_active IP Right Cessation
- 1997-03-07 JP JP53242497A patent/JP3707797B2/ja not_active Expired - Lifetime
- 1997-03-10 TW TW086102914A patent/TW391001B/zh not_active IP Right Cessation
- 1997-03-11 MY MYPI97001013A patent/MY126400A/en unknown
- 1997-03-11 ID IDP970774A patent/ID16222A/id unknown
- 1997-11-10 MX MX9708642A patent/MX9708642A/es unknown
- 1997-11-11 KR KR19970708044A patent/KR19990064995A/ko active Search and Examination
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1998
- 1998-05-21 HK HK98104406A patent/HK1005274A1/xx not_active IP Right Cessation
- 1998-07-29 US US09/124,322 patent/US6153063A/en not_active Expired - Lifetime
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Also Published As
Publication number | Publication date |
---|---|
CN1193406A (zh) | 1998-09-16 |
CN1168080C (zh) | 2004-09-22 |
EP0825595B1 (en) | 2004-07-28 |
KR20040020072A (ko) | 2004-03-06 |
US6153063A (en) | 2000-11-28 |
JP2005322409A (ja) | 2005-11-17 |
ID16222A (id) | 1997-09-11 |
TW391001B (en) | 2000-05-21 |
JP3707797B2 (ja) | 2005-10-19 |
CN1542791A (zh) | 2004-11-03 |
MY126400A (en) | 2006-09-29 |
JP4176744B2 (ja) | 2008-11-05 |
DE69729990T2 (de) | 2004-12-09 |
KR100668180B1 (ko) | 2007-01-11 |
CN1897132B (zh) | 2013-07-03 |
EP0825595A1 (en) | 1998-02-25 |
CN1538420A (zh) | 2004-10-20 |
CN1278325C (zh) | 2006-10-04 |
DE69729990D1 (de) | 2004-09-02 |
WO1997034298A1 (en) | 1997-09-18 |
EP0825595A4 (en) | 2001-03-14 |
KR19990064995A (ko) | 1999-08-05 |
HK1005274A1 (en) | 1998-12-31 |
MX9708642A (es) | 1998-06-30 |
SG93843A1 (en) | 2003-01-21 |
CN1897132A (zh) | 2007-01-17 |
CN100492507C (zh) | 2009-05-27 |
JP4263764B2 (ja) | 2009-05-13 |
JP2008176927A (ja) | 2008-07-31 |
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