Magnetic head

Details Magnetic head Magnetic head

1996-11-27

1999-07-06

Zimmerman, John J.

Stock material or miscellaneous articles

Composite

Of epoxy ether

428418, 428457, 428469, 428692, 428693, 4284111, 428472, 360110, 360126, G11B 5127, B32B 1902, B32B 2720, B32B 2738

Patent

active

059195673

ABSTRACT:
A magnetic head is disclosed which includes in a preferred embodiment a head core (1) sandwiched between a first slider (2) and a second slider (3) both bonded to the core (1), said first and second sliders (2) and (3) being made from a resin composition comprising an epoxy resin composition and a filler comprising silica having a coefficient of thermal expansion of from 5.times.10.sup.-7 to 6.times.10.sup.-7 /.degree. C. as the main component and from 3 to 30 wt % at least one minor component selected from alumina, mullite, barium titanate, forsterite, steatite, and zircon, the amount of the filler being from 50 to 95 wt % based on the amount of the epoxy resin composition. The magnetic head is inexpensive, does not suffer deterioration of the magnetic characteristics of the head core, and is free from the problem of sticking to a floppy disk, head wear, or media wear.

REFERENCES:
patent: 4593333 (1986-06-01), Yanagi
patent: 5171769 (1992-12-01), Bull et al.

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