Global Patent Index - EP 1076897 A1

EP 1076897 A1 2001-02-21 - MAGNETIC HEAD HAVING A LAYER STRUCTURE

Title (en)

MAGNETIC HEAD HAVING A LAYER STRUCTURE

Title (de)

MAGNETKOPF MIT SCHICHTSTRUKTUR

Title (fr)

TETE MAGNETIQUE A STRUCTURE DE COUCHES

Publication

EP 1076897 A1 (EN)

Application

EP 00907561 A

Priority

  • EP 00907561 A
  • EP 0001172 W
  • EP 99200694 A

Abstract (en)

[origin: WO0054260A1] Magnetic head (1) having a head face (3) and a layer structure (7) comprising a first magnetic layer (13a, 13b), a second magnetic layer (17) and a thin insulation layer (19a, 19b) electrically separating these magnetic layers. At least the first layer of these magnetic layers comprises an amorphous cobalt alloy and is an integral part of the first magnetic layer comprising the amorphous cobalt alloy.

IPC 1-7 (main, further and additional classification)

G11B 5/147; G11B 5/39; H01F 41/32

IPC 8 full level (invention and additional information)

G11B 5/127 (2006.01); G11B 5/147 (2006.01); G11B 5/39 (2006.01); H01F 41/32 (2006.01)

CPC (invention and additional information)

G11B 5/3919 (2013.01); G11B 5/147 (2013.01)

Citation (search report)

See references of WO 0054260A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0054260 A1 20000914; CN 1296609 A 20010523; EP 1076897 A1 20010221; JP 2002539570 A 20021119

INPADOC legal status


2002-04-10 [18W] WITHDRAWN

- Date of withdrawal: 20020218

2001-05-09 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010314

2001-02-21 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE