Global Patent Index - EP 1018111 A1

EP 1018111 A1 20000712 - 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 20000712 (FR)

Application

EP 99932978 A 19990727

Priority

  • FR 9901838 W 19990727
  • FR 9809642 A 19980728

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

G11B 5/31

IPC 8 full level

G11B 5/31 (2006.01)

CPC (source: EP US)

G11B 5/3103 (2013.01 - EP US); G11B 5/3106 (2013.01 - EP US); G11B 5/3116 (2013.01 - EP US); G11B 5/3163 (2013.01 - EP US); Y10T 29/49032 (2015.01 - EP US); Y10T 29/49041 (2015.01 - EP US); Y10T 29/49046 (2015.01 - EP US); Y10T 29/49048 (2015.01 - EP US)

Citation (search report)

See references of WO 0007179A1

Designated contracting state (EPC)

DE GB IT

DOCDB simple family (publication)

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

DOCDB simple family (application)

FR 9809642 A 19980728; EP 99932978 A 19990727; FR 9901838 W 19990727; JP 2000562896 A 19990727; US 50850500 A 20000323