WO2006133230A3 - Wavelength selective coatings for optical disc security - Google Patents
Wavelength selective coatings for optical disc security Download PDFInfo
- Publication number
- WO2006133230A3 WO2006133230A3 PCT/US2006/021995 US2006021995W WO2006133230A3 WO 2006133230 A3 WO2006133230 A3 WO 2006133230A3 US 2006021995 W US2006021995 W US 2006021995W WO 2006133230 A3 WO2006133230 A3 WO 2006133230A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- color
- optical disc
- wavelength selective
- selective coatings
- shifting
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 3
- 238000000576 coating method Methods 0.000 title 1
- 238000013500 data storage Methods 0.000 abstract 1
- 230000001066 destructive effect Effects 0.000 abstract 1
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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
- G11B23/281—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
- G11B23/282—Limited play
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
- G11B7/24038—Multiple laminated recording layers
-
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/24094—Indication parts or information parts for identification
Abstract
An optical disc for data storage includes a layer of color-shifting material. Light passing through the color-shifting layer will have a color determined by the various constructive and destructive interference of the various wavelengths after they have passed through the material, diffracted while passing through the material, and are reflected off of various portions of the material, resulting in a color change when the viewing angle is changed. Additionally, an optical variable device may be defined within the disc, and may include the color-shifting layer.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06772347A EP1899965A4 (en) | 2005-06-07 | 2006-06-07 | Wavelength selective coatings for optical disc security |
JP2008515839A JP2009503756A (en) | 2005-06-07 | 2006-06-07 | Wavelength selective coating for optical disc security |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/146,765 | 2005-06-07 | ||
US11/146,765 US7269123B2 (en) | 2005-06-07 | 2005-06-07 | Wavelength selective coatings for optical disc security |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006133230A2 WO2006133230A2 (en) | 2006-12-14 |
WO2006133230A3 true WO2006133230A3 (en) | 2007-07-12 |
Family
ID=37493965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/021995 WO2006133230A2 (en) | 2005-06-07 | 2006-06-07 | Wavelength selective coatings for optical disc security |
Country Status (4)
Country | Link |
---|---|
US (1) | US7269123B2 (en) |
EP (1) | EP1899965A4 (en) |
JP (1) | JP2009503756A (en) |
WO (1) | WO2006133230A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006032538A1 (en) * | 2006-04-04 | 2007-10-11 | Tesa Scribos Gmbh | Storage medium with a security feature and method for producing a storage medium with a security feature |
US20080063900A1 (en) * | 2006-09-11 | 2008-03-13 | Hewlett-Packard Development Company Lp | Optical storage medium |
US8445091B2 (en) * | 2007-08-22 | 2013-05-21 | Thomson Licensing | Dual metal optical discs |
US9019807B2 (en) | 2008-02-19 | 2015-04-28 | Thomson Licensing | Optical disc with pre-recorded and recordable regions and method of forming the disc |
WO2009105215A2 (en) * | 2008-02-19 | 2009-08-27 | Thomson Licensing | Optical disc with pre-recorded and recordable regions and method of forming the disc |
GB2577675B (en) | 2018-08-20 | 2023-07-05 | Iq Structures Sro | Gramophone plate with recorded image |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5452282A (en) * | 1991-06-13 | 1995-09-19 | Abraham; Nigel C. | Optical data storage disc |
US5533002A (en) * | 1991-10-19 | 1996-07-02 | Abraham; Nigel C. | Optical data storage compact disc and method for manufacturing the same |
US6011766A (en) * | 1996-09-21 | 2000-01-04 | Omni Peripherals Pte. Ltd. | Loading mechanism with linear gear bar for an optical disc drive |
US6160789A (en) * | 1996-03-19 | 2000-12-12 | 3Dcd, L.L.C. | Optical data storage disc |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6011767A (en) * | 1991-06-13 | 2000-01-04 | 3Dcd, L.L.C. | Optical data storage disc with a visible holographic image and method for its manufacture |
US6761959B1 (en) | 1999-07-08 | 2004-07-13 | Flex Products, Inc. | Diffractive surfaces with color shifting backgrounds |
WO2003087886A2 (en) * | 2002-04-05 | 2003-10-23 | Flexplay Technologies, Inc. | Limited play optically-readable medium with liquid crystals and methodology therefor |
US7275040B2 (en) * | 2002-09-12 | 2007-09-25 | Mineral Lassen Llc | RFID security device for optical disc |
JP2007521594A (en) * | 2003-06-26 | 2007-08-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Optical information carrier with Bragg reflector |
-
2005
- 2005-06-07 US US11/146,765 patent/US7269123B2/en active Active
-
2006
- 2006-06-07 EP EP06772347A patent/EP1899965A4/en not_active Withdrawn
- 2006-06-07 WO PCT/US2006/021995 patent/WO2006133230A2/en active Search and Examination
- 2006-06-07 JP JP2008515839A patent/JP2009503756A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5452282A (en) * | 1991-06-13 | 1995-09-19 | Abraham; Nigel C. | Optical data storage disc |
US5533002A (en) * | 1991-10-19 | 1996-07-02 | Abraham; Nigel C. | Optical data storage compact disc and method for manufacturing the same |
US6160789A (en) * | 1996-03-19 | 2000-12-12 | 3Dcd, L.L.C. | Optical data storage disc |
US6011766A (en) * | 1996-09-21 | 2000-01-04 | Omni Peripherals Pte. Ltd. | Loading mechanism with linear gear bar for an optical disc drive |
Also Published As
Publication number | Publication date |
---|---|
US7269123B2 (en) | 2007-09-11 |
JP2009503756A (en) | 2009-01-29 |
EP1899965A2 (en) | 2008-03-19 |
EP1899965A4 (en) | 2009-03-04 |
WO2006133230A2 (en) | 2006-12-14 |
US20060274637A1 (en) | 2006-12-07 |
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Legal Events
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