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Laser drawing apparatus, laser drawing method, a master for...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate

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Laser reactive dyes for DVD copy protection system

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate

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Laser-writable information recording medium with reference track

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent

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Light-readable recording disc utilizing half-wavelength pits or

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent

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Limited play optical devices with interstitial reactive...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Reexamination Certificate

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Limited play optical devices with interstitial reactive...

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
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Low cost substrate for bump-forming recording media

Dynamic information storage or retrieval – Storage medium structure – Optical track structure
Patent

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