Dynamic magnetic information storage or retrieval – Head – Core
Reexamination Certificate
2006-05-16
2006-05-16
Heinz, A. J. (Department: 2653)
Dynamic magnetic information storage or retrieval
Head
Core
Reexamination Certificate
active
07046481
ABSTRACT:
A magnetic head includes a first pole piece; a second pole piece made of a front pole tip and a back gap pedestal; a gap layer which separates the first pole piece and the front pole tip of the second pole piece at an air bearing surface (ABS); a front connecting pedestal at least partially formed over the front pole tip; a back gap connecting pedestal at least partially formed over the back gap pedestal; an insulator material formed in between the front and the back connecting pedestals; and a yoke formed over the front and the back gap connecting pedestals.
REFERENCES:
patent: 5155646 (1992-10-01), Fujisawa et al.
patent: 5452164 (1995-09-01), Cole et al.
patent: 5473491 (1995-12-01), Fujisawa et al.
patent: 5649351 (1997-07-01), Cole et al.
patent: 5923506 (1999-07-01), Herrera
patent: 5996213 (1999-12-01), Shen et al.
patent: 6195229 (2001-02-01), Shen et al.
patent: 6201670 (2001-03-01), Chang et al.
patent: 6296955 (2001-10-01), Hossain et al.
patent: 6301084 (2001-10-01), Santini
patent: 6504677 (2003-01-01), Han et al.
patent: 2001/0015871 (2001-08-01), Niwa
patent: 406004830 (1991-01-01), None
patent: 03-275249 (1991-10-01), None
R.T. Campbell, V. Escalante, R. Lee and J.Lo, Perfectly Aligned Pole Tips By Using Full Film P2 Process With Al203 Protection Layer, Research Disclosure, Apr. 1987, No. 276, Kenneth Mason Publications Ltd., England.
Yingjian Chen; Liu, F.; Stoev, K.; Xiaozhong Dang; Hua-Ching Tong; Qing He; Yiming Huai; “High-performance writer using high-moment sputtered fields in top and bottom poles”; IEEE Transactions on, vol. 38, Issue: 5, Sep. 2002.
Preliminary Amendment for Docket No. SJO920020018US2 which is based on U.S. Appl. No. 10/156,633.
Heinz A. J.
Hitachi Global Storage Technologies - Netherlands B.V.
Oskorep, Esq. John J.
LandOfFree
Magnetic head having a laminated yoke layer with protected... 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 having a laminated yoke layer with protected..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic head having a laminated yoke layer with protected... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3646963