JP2002157774A - 光ヘッド装置 - Google Patents

光ヘッド装置

Info

Publication number
JP2002157774A
JP2002157774A JP2000354785A JP2000354785A JP2002157774A JP 2002157774 A JP2002157774 A JP 2002157774A JP 2000354785 A JP2000354785 A JP 2000354785A JP 2000354785 A JP2000354785 A JP 2000354785A JP 2002157774 A JP2002157774 A JP 2002157774A
Authority
JP
Japan
Prior art keywords
diffraction grating
holder
light source
light
optical head
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.)
Pending
Application number
JP2000354785A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002157774A5 (enExample
Inventor
Toru Hotta
徹 堀田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Priority to JP2000354785A priority Critical patent/JP2002157774A/ja
Publication of JP2002157774A publication Critical patent/JP2002157774A/ja
Publication of JP2002157774A5 publication Critical patent/JP2002157774A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Optical Head (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
JP2000354785A 2000-11-21 2000-11-21 光ヘッド装置 Pending JP2002157774A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000354785A JP2002157774A (ja) 2000-11-21 2000-11-21 光ヘッド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000354785A JP2002157774A (ja) 2000-11-21 2000-11-21 光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2002157774A true JP2002157774A (ja) 2002-05-31
JP2002157774A5 JP2002157774A5 (enExample) 2005-07-21

Family

ID=18827310

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000354785A Pending JP2002157774A (ja) 2000-11-21 2000-11-21 光ヘッド装置

Country Status (1)

Country Link
JP (1) JP2002157774A (enExample)

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