Magnetic head device having slider and magnetic function unit

Dynamic magnetic information storage or retrieval – Fluid bearing head support – Disk record

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C360S236500

Reexamination Certificate

active

07656616

ABSTRACT:
A magnetic head device is disclosed. The magnetic head device having a levitation attitude formed by an air stream on a surface thereof when a recording medium moves. A levitation height of a magnetic function unit can be stabilized even when air density of an operating environment is changed. In a middle region of a slider of a magnetic head device, a deep concave bottom portion is provided and a levitation pressure is not substantially generated. The levitation is exerted to a front positive pressure surface located in front of the middle region and a rear positive pressure surface located in the rear of the middle region.

REFERENCES:
patent: 6021020 (2000-02-01), Itoh et al.
patent: 6707631 (2004-03-01), Haddock
patent: 7095592 (2006-08-01), Ueno et al.
patent: 7193805 (2007-03-01), Haddock
patent: 7245457 (2007-07-01), Kuroki et al.
patent: 2001/0030834 (2001-10-01), Kohira et al.
patent: 2002/0041467 (2002-04-01), Boutaghou et al.
patent: 2003/0123191 (2003-07-01), Kasamatsu et al.
patent: 2003/0133227 (2003-07-01), Anan et al.
patent: 2003/0184915 (2003-10-01), Kameyama et al.
patent: 2003/0193750 (2003-10-01), Kohira et al.
patent: 2003/0197979 (2003-10-01), Kohira et al.
patent: 2004/0212930 (2004-10-01), Kohira et al.
patent: 2004/0233580 (2004-11-01), Yao et al.
patent: 2005/0207065 (2005-09-01), Takagi
patent: 2005/0231852 (2005-10-01), Tian et al.
patent: 2005/0254174 (2005-11-01), Nikitin et al.
patent: 2005/0270697 (2005-12-01), Kohira et al.
patent: 2006/0114611 (2006-06-01), Zhu et al.
patent: 1655241 (2005-08-01), None
patent: 10-283622 (1998-10-01), None
patent: 2005-050546 (2005-02-01), None
patent: 2005-228362 (2005-08-01), None
First Examiner's Opinion for corresponding Chinese Patent Application Serial No. 2006101266559, dated Nov. 2, 2007.
Preliminary Rejection for corresponding Japanese Patent Application Serial No. 2005-252939, dated Aug. 14, 2007.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Magnetic head device having slider and magnetic function unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic head device having slider and magnetic function unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic head device having slider and magnetic function unit will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4168187

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.