Two layer writer heater using writer as one current lead

Details Two layer writer heater using writer as one current lead Two layer writer heater using writer as one current lead

2008-07-22

2008-07-22

Wellington, Andrea (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

C360S125740

Reexamination Certificate

active

11068315

ABSTRACT:
A transducing device includes a writer having a pole tip region and a heater circuit. The heater circuit has a heating portion and a heater current return path. The heating portion has at least two branches positioned with respect to the writer so that current flowing through the at least two branches heat the writer. The heater current return path is electrically connected to the at least two branches of the heating portion near the pole tip region and includes an electrically conductive portion of the writer.

REFERENCES:
patent: 4719527 (1988-01-01), Yoshisato et al.
patent: 6239954 (2001-05-01), Segar et al.
patent: 6760191 (2004-07-01), Yan et al.
patent: 7023660 (2006-04-01), Hsiao et al.
patent: 7027248 (2006-04-01), Hamaguchi et al.
patent: 7092208 (2006-08-01), Zou et al.
patent: 7133254 (2006-11-01), Hamann et al.
patent: 7187520 (2007-03-01), Lee et al.
patent: 2001/0053044 (2001-12-01), Rea et al.
patent: 2003/0231435 (2003-12-01), Kong et al.
patent: 2004/0027709 (2004-02-01), Hamaguchi et al.
patent: 2004/0027728 (2004-02-01), Coffey et al.
patent: 2004/0179299 (2004-09-01), Sasaki et al.
patent: 2004/0240109 (2004-12-01), Hamann et al.
patent: 2005/0018347 (2005-01-01), Hsiao et al.
patent: 2005/0018348 (2005-01-01), Lille et al.
patent: 2005/0024773 (2005-02-01), Lille
patent: 2005/0024774 (2005-02-01), Fontana et al.
patent: 2005/0094316 (2005-05-01), Shiramatsu et al.
patent: 2005/0117242 (2005-06-01), Taguchi
patent: 2005/0190496 (2005-09-01), Hamann et al.
patent: 2005/0254171 (2005-11-01), Ota et al.
patent: 2006/0028765 (2006-02-01), Coffey et al.
patent: 2007/0035594 (2007-02-01), Brooks et al.
patent: 2007/0035881 (2007-02-01), Burbank et al.
patent: 2004288290 (2004-10-01), None

Affiliated with

Also associated with

Rating

Two layer writer heater using writer as one current lead does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Two layer writer heater using writer as one current lead, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Two layer writer heater using writer as one current lead will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3938595