Magnetic alloy R/W head with centrally pinched and end slotted c

Details Magnetic alloy R/W head with centrally pinched and end slotted c Magnetic alloy R/W head with centrally pinched and end slotted c

1986-11-12

1989-04-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Head surface structure

360119, 360125, G11B 522

Patent

active

048211346

ABSTRACT:
A composite magnetic R/W head has an alloy portion defined by, in plan view, two oppositely oriented U-shaped portions joined at their spaced bases by a gapped central bridging leg. The slits 19 between the legs of the U-shaped portions and the spaces flanking the bridging leg are filled with glass 16, 13. Such a construction exhibits reduced eddy current losses and enhanced high frequency performance.

REFERENCES:
patent: 4152741 (1979-05-01), Mizuno et al.
patent: 4559572 (1985-12-01), Kumasaka et al.

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