JP4507657B2 - 光ディスクドライブ - Google Patents
光ディスクドライブ Download PDFInfo
- Publication number
- JP4507657B2 JP4507657B2 JP2004081271A JP2004081271A JP4507657B2 JP 4507657 B2 JP4507657 B2 JP 4507657B2 JP 2004081271 A JP2004081271 A JP 2004081271A JP 2004081271 A JP2004081271 A JP 2004081271A JP 4507657 B2 JP4507657 B2 JP 4507657B2
- Authority
- JP
- Japan
- Prior art keywords
- wiring
- light source
- signal
- optical disc
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Images
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- Optical Head (AREA)
- Structure Of Printed Boards (AREA)
Description
1…光ディスク装置
6…光ピックアップ
7…ガイド棒
8…光ピックアップ
9…光学系
9a…光源
11…フレキシブル基板
11a…電源IC
11b…配線
11c…駆動IC
11d…リターンパス
Claims (1)
- それぞれ波長の異なるレーザ光を照射可能な光源と、
前記光源を駆動する駆動回路と、
前記駆動回路から前記光源に第1の波長のレーザ光を出射させるための第1の信号を伝送する第1の配線、前記駆動回路から前記光源に第2の波長のレーザ光を出射させるための第2の信号を伝送する第2の配線、およびグランド配線が互いに並列して設けられたフレキシブル基板とを具備し、
前記フレキシブル基板にて前記グランド配線は、前記第1の配線と前記第2の配線との間に配置され、
前記第1の配線、前記第2の配線および前記グランド配線にそれぞれ電流が流れることによって生じる磁界が、隣り合う配線間で互いに強め合うことを満足する
ことを特徴とする光ディスクドライブ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004081271A JP4507657B2 (ja) | 2004-03-19 | 2004-03-19 | 光ディスクドライブ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004081271A JP4507657B2 (ja) | 2004-03-19 | 2004-03-19 | 光ディスクドライブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005268649A JP2005268649A (ja) | 2005-09-29 |
JP4507657B2 true JP4507657B2 (ja) | 2010-07-21 |
Family
ID=35092851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004081271A Expired - Fee Related JP4507657B2 (ja) | 2004-03-19 | 2004-03-19 | 光ディスクドライブ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4507657B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4934856B2 (ja) * | 2007-09-27 | 2012-05-23 | 日本電気株式会社 | 信号伝送基板 |
JP4852164B1 (ja) | 2010-06-30 | 2012-01-11 | 株式会社東芝 | ヘッドジンバルアッセンブリおよびこれを備えたディスク装置 |
DE112017000077T5 (de) * | 2016-05-19 | 2018-04-19 | Fuji Electric Co., Ltd. | Halbleitervorrichtung mit isolierendem gate und verfahren zum herstellen einer halbleitervorrichtung mit isolierendem gate |
CN114365281A (zh) * | 2020-03-18 | 2022-04-15 | 富士电机株式会社 | 电气回路和半导体模块 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223799A (ja) * | 1999-02-02 | 2000-08-11 | Toshiba Corp | 配線基板及びその製造方法 |
JP2001357556A (ja) * | 2000-06-13 | 2001-12-26 | Sanyo Electric Co Ltd | 光磁気ディスク記録再生装置 |
JP2004006789A (ja) * | 2002-04-04 | 2004-01-08 | Seiko Epson Corp | プリント配線基板 |
JP2004128212A (ja) * | 2002-10-02 | 2004-04-22 | Sharp Corp | 配線基板 |
-
2004
- 2004-03-19 JP JP2004081271A patent/JP4507657B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000223799A (ja) * | 1999-02-02 | 2000-08-11 | Toshiba Corp | 配線基板及びその製造方法 |
JP2001357556A (ja) * | 2000-06-13 | 2001-12-26 | Sanyo Electric Co Ltd | 光磁気ディスク記録再生装置 |
JP2004006789A (ja) * | 2002-04-04 | 2004-01-08 | Seiko Epson Corp | プリント配線基板 |
JP2004128212A (ja) * | 2002-10-02 | 2004-04-22 | Sharp Corp | 配線基板 |
Also Published As
Publication number | Publication date |
---|---|
JP2005268649A (ja) | 2005-09-29 |
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