Data storage system and method for calibrating same

A data storage system, an integer-valued technology, applied in the recording/reproducing, information storage, data recording and other directions by optical methods, which can solve the problem that the optical pickup unit cannot maintain the focus.

Active Publication Date: 2013-02-13
ORACLE INT CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0001] The optical pickup unit may not be able to maintain focus on certain imperfections in the optical media

Method used

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  • Data storage system and method for calibrating same
  • Data storage system and method for calibrating same
  • Data storage system and method for calibrating same

Examples

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Embodiment Construction

[0093] Optical strip technology, manufacturing, and applications can be highly interconnected to achieve the cost, performance, density, and other goals required to provide a commercially viable solution. Goals such as reducing manufacturing costs while producing reliable, high-quality optical tape may require substantial innovations in manufacturing technology methods as well as systems. Substantial innovations in optical tape technology and manufacturing methods and systems may be required to produce optical tape that supports high-density storage and high performance. Thus, the methods and systems disclosed herein for manufacturing optical tapes can be used to manufacture the optical tapes disclosed herein, and the methods and systems disclosed herein for using optical tapes can be used to use the optical tapes disclosed herein.

[0094] Aspects of optical tape technology, optical tape manufacture, and optical tape use are disclosed herein. Methods and systems of optical t...

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Abstract

Disclosed herein are aspects of optical tape technology. A segment (1210) on media (1110) includes tracks (1220) with length (1230). Segments (1210) may be separated by gaps / defects (1310). Within segment (1210), tracks (1220) each exhibit fields of modulated wobble indicative of a physical track address. Tracks (1220) may not line up across gaps (1310). While focused on a particular track and prior to encountering the first gap, servo system (1150) may record the specified physical address of the particular track. Once gap (1310) has passed the optical sensing element (1120), servo system (1150) may command sensing element (1120) to refocus and determine / record the physical track address of the post-gap track it is focused on. Servo system (1150) may then assign a single logical address to the recorded physical addresses.

Description

Background technique [0001] The optical pickup unit may not be able to maintain focus on certain imperfections in the optical media. Contents of the invention [0002] Aspects of optical tape technology, optical tape manufacture, and optical tape use are disclosed herein. Methods and systems for optical tape technology Disclosed are optical tape media, including configurations, compositions, markings, and structures; optical tape manufacturing methods, systems, and apparatus. Methods and systems include: curing processes, coating methods, embossing, drums, Testing, tracking and aligning stamper strips; optical tape methods and systems including: pick-up heads for the disclosed optical tapes; and optical tape uses including optical storage media devices for multimedia applications. [0003] A data storage system may include an optical medium having a defect that divides the medium into segments having a plurality of tracks, each track exhibiting a wobble-modulated field repr...

Claims

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Application Information

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IPC IPC(8): G11B20/12G11B27/10G11B27/24G11B27/32G11B27/36G11B7/003G11B7/24009
CPCG11B27/24G11B27/107G11B2220/93G11B7/00458G11B27/322G11B2020/1238G11B20/1202G11B2020/1267G11B27/36G11B7/14G11B7/24009G11B7/003
Inventor F·马纳德
Owner ORACLE INT CORP
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