Global patent index - EP 1018111 A1

EP 1018111 A1 2000-07-12 - METHOD FOR COLLECTIVE PRODUCTION OF MAGNETIC HEADS HAVING A BEARING SURFACE WITH SPECIFIC HEIGHT

Title (en)

METHOD FOR COLLECTIVE PRODUCTION OF MAGNETIC HEADS HAVING A BEARING SURFACE WITH SPECIFIC HEIGHT

Title (de)

KOLLEKTIVE HERSTELLUNG VON INTEGRIERTEN MAGNETKÖPFEN MIT EINER EINE BESTIMMTE HÖHE TRAGENDEN OBERFLÄCHE

Title (fr)

PROCEDE DE REALISATION COLLECTIVE DE TETES MAGNETIQUES INTEGREES A SURFACE PORTANTE DE HAUTEUR DETERMINEE

Publication

EP 1018111 A1 (FR)

Application

EP 99932978 A

Priority

  • FR 9901838 W
  • FR 9809642 A

Abstract (en)

[origin: FR2781917A1] The invention concerns a method which consists in collectively thinning the components of a wafer (50) by etching the wafer along zones (B) overlapping the polar parts (72, 96). The invention is useful for producing magnetic heads.

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

G11B 5/31

IPC 8 full level (invention and additional information)

G11B 5/31 (2006.01)

CPC (invention and additional information)

G11B 5/3163 (2013.01); G11B 5/3103 (2013.01); G11B 5/3106 (2013.01); G11B 5/3116 (2013.01); Y10T 29/49032 (2013.01); Y10T 29/49041 (2013.01); Y10T 29/49046 (2013.01); Y10T 29/49048 (2013.01)

Citation (search report)

See references of WO 0007179A1

Designated contracting state (EPC)

DE GB IT

EPO simple patent family

FR 2781917 A1 20000204; FR 2781917 B1 20000908; EP 1018111 A1 20000712; JP 2002521783 A 20020716; US 6658723 B1 20031209; WO 0007179 A1 20000210

INPADOC legal status

2006-08-23 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20060201

2000-07-12 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000224

2000-07-12 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE GB IT