Optical pickup and manufacturing method for optical pickup

Details Optical pickup and manufacturing method for optical pickup Optical pickup and manufacturing method for optical pickup

2011-04-12

2011-04-12

Negrón, Daniell L (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

Reexamination Certificate

active

07924688

ABSTRACT:
An optical pickup includes a first objective lens, a second objective lens having a numerical aperture different from that of the first objective lens, and an objective lens holder that holds the objective lenses. The first objective lens is attached to the objective lens holder via a spacer. The objective lens holder has a first fixture hole that receives the spacer with the first objective lens and a second fixture hole that receives the second objective lens. The first fixture hole is provided with a spacer supporting portion in which the spacer is inserted in a rotatable manner.

REFERENCES:
patent: 2002/0101799 (2002-08-01), Nishikawa
patent: 2002/0135893 (2002-09-01), Hirose et al.
patent: 2005/0007906 (2005-01-01), Horinouchi et al.
patent: 2006/0018214 (2006-01-01), Fujii et al.
patent: 2008/0056101 (2008-03-01), Hatano
patent: 1 612 778 (2006-01-01), None
patent: A-H6-168456 (1994-06-01), None
patent: A-2000-322756 (2000-11-01), None
patent: A-2006-064886 (2006-03-01), None
patent: WO 2005/004128 (2005-01-01), None

Affiliated with

Also associated with

Rating

Optical pickup and manufacturing method for optical pickup does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical pickup and manufacturing method for optical pickup, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical pickup and manufacturing method for optical pickup will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2734827