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Paper Abstract and Keywords
Presentation 2006-09-15 15:20
Optical Pickup for Writing Dual Layer 2x-speed BD, DVD and CD
Toshiyasu Tanaka, Kousei Sano, Kenji Matsumura, Hidenori Wada, Keiichi Matsuzaki, Kanji Wakabayashi, Yoshiaki Komma (MEI) Link to ES Tech. Rep. Archives: CPM2006-84
Abstract (in Japanese) (See Japanese page) 
(in English) An ordinary half-height size optical pickup with high light-use efficiency for Blu-ray Discs (BDs) has been realized. It has two objective lenses arranged tangentially. Although one of the objective lenses, BD objective lens, does not follow the line that passes thorough the center of the spindle motor, stable tracking-error detection has been achieved by enhancing a one-beam method. This pickup has a beam shaper which changes a divergent angle of light with high magnification. Although beam shapers are sensitive to a positional error, our pickup accomplished stable positioning by introducing a new structure.
Keyword (in Japanese) (See Japanese page) 
(in English) optical disc / tracking error / one beam / beam shaping / beam shaper / Blu-ray / BD /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 248, CPM2006-84, pp. 31-36, Sept. 2006.
Paper # CPM2006-84 
Date of Issue 2006-09-08 (CPM) 
ISSN Print edition: ISSN 0913-5685
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF Link to ES Tech. Rep. Archives: CPM2006-84

Conference Information
Committee CPM  
Conference Date 2006-09-15 - 2006-09-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CPM 
Conference Code 2006-09-CPM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optical Pickup for Writing Dual Layer 2x-speed BD, DVD and CD 
Sub Title (in English)  
Keyword(1) optical disc  
Keyword(2) tracking error  
Keyword(3) one beam  
Keyword(4) beam shaping  
Keyword(5) beam shaper  
Keyword(6) Blu-ray  
Keyword(7) BD  
Keyword(8)  
1st Author's Name Toshiyasu Tanaka  
1st Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
2nd Author's Name Kousei Sano  
2nd Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
3rd Author's Name Kenji Matsumura  
3rd Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
4th Author's Name Hidenori Wada  
4th Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
5th Author's Name Keiichi Matsuzaki  
5th Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
6th Author's Name Kanji Wakabayashi  
6th Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
7th Author's Name Yoshiaki Komma  
7th Author's Affiliation Matsushita Electric Industrial Co., Ltd. (MEI)
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Speaker Author-1 
Date Time 2006-09-15 15:20:00 
Presentation Time 25 minutes 
Registration for CPM 
Paper # CPM2006-84 
Volume (vol) vol.106 
Number (no) no.248 
Page pp.31-36 
#Pages
Date of Issue 2006-09-08 (CPM) 


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