Molded coil device for actuator of disc drive

Details Molded coil device for actuator of disc drive Molded coil device for actuator of disc drive

2008-04-01

2008-04-01

Hindi, Nabil (Department: 2627)

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

C369S044140

Reexamination Certificate

active

07352662

ABSTRACT:
A molded coil device includes a coil comprised of a plurality of turns of a conductive material through a plurality of planes and an integral body comprised of an insulating and nonmagnetic material burying the coil. The coil is first formed and thereafter is sintered/pressed with the insulating and nonmagnetic material to form the integral body. The molded coil device is advantageously applied within an optical pickup actuator of an optical disc drive.

REFERENCES:
patent: 5734528 (1998-03-01), Jabbari et al.
Japanese Patent No. JP2000339723 to Tomomi, having publication date of Dec. 8, 2000 (w/ English Abstract page).
Japanese Patent Application No. 09-000855 to Shigeyuki, having publication date of Jul. 31, 1998 (w/ English Abstract page).
Korean Patent Application No. 1019950045690 to Ahn, having Application date of Nov. 30, 1995 (w/ English Abstract page).
Korean Patent Application No. 1019950046425 to Ahn, having Application date of Dec. 4, 1995 (w/ English Abstract page).

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