SE0401318D0 - A quality testing method for optical data carriers - Google Patents
A quality testing method for optical data carriersInfo
- Publication number
- SE0401318D0 SE0401318D0 SE0401318A SE0401318A SE0401318D0 SE 0401318 D0 SE0401318 D0 SE 0401318D0 SE 0401318 A SE0401318 A SE 0401318A SE 0401318 A SE0401318 A SE 0401318A SE 0401318 D0 SE0401318 D0 SE 0401318D0
- Authority
- SE
- Sweden
- Prior art keywords
- disk
- track
- optical data
- testing method
- quality testing
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9506—Optical discs
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
-
- 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
- G11B20/1816—Testing
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
- G11B7/00375—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs arrangements for detection of physical defects, e.g. of recording layer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401318A SE528486C2 (sv) | 2004-05-24 | 2004-05-24 | Kvalitetstestningsmetod för optiska databärare |
CNB2005800165342A CN100437764C (zh) | 2004-05-24 | 2005-05-20 | 光学数据载体的质量测试方法 |
JP2007514977A JP2008500674A (ja) | 2004-05-24 | 2005-05-20 | 光学的データ担体用の品質検査方法 |
EP05744913A EP1751748A1 (en) | 2004-05-24 | 2005-05-20 | A quality testing method for optical data carriers |
US11/596,716 US20080089200A1 (en) | 2004-05-24 | 2005-05-20 | Quality Testing Method for Optical Data Carriers |
PCT/SE2005/000746 WO2005114659A1 (en) | 2004-05-24 | 2005-05-20 | A quality testing method for optical data carriers |
TW094116550A TW200540815A (en) | 2004-05-24 | 2005-05-20 | A quality testing method for optical data carriers |
KR1020067024002A KR20070039875A (ko) | 2004-05-24 | 2005-05-20 | 광 데이터 캐리어의 품질 테스트 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0401318A SE528486C2 (sv) | 2004-05-24 | 2004-05-24 | Kvalitetstestningsmetod för optiska databärare |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0401318D0 true SE0401318D0 (sv) | 2004-05-24 |
SE0401318L SE0401318L (sv) | 2005-11-25 |
SE528486C2 SE528486C2 (sv) | 2006-11-28 |
Family
ID=32589778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0401318A SE528486C2 (sv) | 2004-05-24 | 2004-05-24 | Kvalitetstestningsmetod för optiska databärare |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080089200A1 (sv) |
EP (1) | EP1751748A1 (sv) |
JP (1) | JP2008500674A (sv) |
KR (1) | KR20070039875A (sv) |
CN (1) | CN100437764C (sv) |
SE (1) | SE528486C2 (sv) |
TW (1) | TW200540815A (sv) |
WO (1) | WO2005114659A1 (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008099590A1 (ja) * | 2007-02-14 | 2008-08-21 | Panasonic Corporation | 光ディスク装置 |
EP2091043A1 (en) * | 2008-02-07 | 2009-08-19 | DPHI, Inc. | A method for examining an optical stamper |
US20100067338A1 (en) * | 2008-09-15 | 2010-03-18 | Lite-On It Corporation | Method of Determining the Quality of Data on an Optical Disc |
JP5479236B2 (ja) * | 2010-06-15 | 2014-04-23 | キヤノン株式会社 | ロータリーエンコーダ |
CN103033129B (zh) * | 2011-10-07 | 2015-10-21 | 财团法人工业技术研究院 | 光学设备及光学定址方法 |
JP2013097821A (ja) * | 2011-10-28 | 2013-05-20 | Hitachi-Lg Data Storage Inc | 情報記録再生装置および情報記録再生方法 |
US9851225B2 (en) * | 2015-05-06 | 2017-12-26 | Rockwell Automation Technologies, Inc. | Nonvolatile multitum rotation sensor with magnetic particle following a spiral track |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61977A (ja) * | 1984-06-13 | 1986-01-06 | Pioneer Electronic Corp | トラツキングサ−ボ装置 |
JPH0740363B2 (ja) * | 1985-03-20 | 1995-05-01 | 株式会社日立製作所 | 光学的記録再生装置 |
JPS63153455A (ja) * | 1986-12-18 | 1988-06-25 | Yokogawa Electric Corp | 光デイスクテストシステム |
US4814903A (en) * | 1987-06-29 | 1989-03-21 | International Business Machines Corporation | Alternate storage areas in magnetooptical media |
KR920009196B1 (ko) * | 1987-08-29 | 1992-10-14 | 후지쓰가부시끼가이샤 | 광학기록 트랙을 억세싱하는 방법 |
JPH0648542B2 (ja) * | 1988-06-17 | 1994-06-22 | パイオニア株式会社 | トラッキングサーボ装置 |
JPH04265573A (ja) * | 1991-02-19 | 1992-09-21 | Taiyo Yuden Co Ltd | 情報記録媒体の検査方法 |
EP0564916B1 (en) * | 1992-04-10 | 2001-07-25 | Wea Manufacturing Inc. | Compact disc analyzer system |
JPH06251392A (ja) * | 1993-02-24 | 1994-09-09 | Ricoh Co Ltd | 光情報記録媒体の欠陥検査方法及び欠陥検査装置 |
JP3447956B2 (ja) * | 1998-05-21 | 2003-09-16 | 富士通株式会社 | 光学的記憶装置 |
JP4258058B2 (ja) * | 1999-03-23 | 2009-04-30 | ソニー株式会社 | 円盤状記録媒体の検査装置及び検査方法 |
JP2002025081A (ja) * | 2000-07-04 | 2002-01-25 | Teac Corp | 光ディスク装置 |
GB0029120D0 (en) * | 2000-11-29 | 2001-01-10 | Lsi Logic Europ Ltd | Apparatus and method of interrupt detection in an optical disc environment |
JP3946470B2 (ja) * | 2001-03-12 | 2007-07-18 | 株式会社デンソー | 半導体層の膜厚測定方法及び半導体基板の製造方法 |
SE523284C2 (sv) * | 2001-10-25 | 2004-04-06 | Audiodev Ab | Metod och apparat för kvalitetstestning |
-
2004
- 2004-05-24 SE SE0401318A patent/SE528486C2/sv not_active IP Right Cessation
-
2005
- 2005-05-20 US US11/596,716 patent/US20080089200A1/en not_active Abandoned
- 2005-05-20 EP EP05744913A patent/EP1751748A1/en not_active Withdrawn
- 2005-05-20 CN CNB2005800165342A patent/CN100437764C/zh not_active Expired - Fee Related
- 2005-05-20 JP JP2007514977A patent/JP2008500674A/ja active Pending
- 2005-05-20 KR KR1020067024002A patent/KR20070039875A/ko not_active Application Discontinuation
- 2005-05-20 WO PCT/SE2005/000746 patent/WO2005114659A1/en active Application Filing
- 2005-05-20 TW TW094116550A patent/TW200540815A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
CN100437764C (zh) | 2008-11-26 |
WO2005114659A1 (en) | 2005-12-01 |
SE528486C2 (sv) | 2006-11-28 |
CN1957401A (zh) | 2007-05-02 |
TW200540815A (en) | 2005-12-16 |
JP2008500674A (ja) | 2008-01-10 |
SE0401318L (sv) | 2005-11-25 |
EP1751748A1 (en) | 2007-02-14 |
KR20070039875A (ko) | 2007-04-13 |
US20080089200A1 (en) | 2008-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |