HERSTELLUNGSVERFAHREN EINES AUFNAHME-/WIEDERGABEKOPFES UND NACH DIESEM VERFAHREN ERHALTENER KOPF.

摘要

PCT No. PCT/FR89/00657 Sec. 371 Date Aug. 22, 1990 Sec. 102(e) Date Aug. 22, 1990 PCT Filed Dec. 15, 1989 PCT Pub. No. WO90/07772 PCT Pub. Date Jul. 12, 1990.A magnetic head and a method for producing the magnetic head comprising the steps of: producing a groove in a first face of a substrate; depositing a material having good magnetic characteristics on the walls of the groove; depositing a non-magnetic material in the groove over the material having good magnetic characteristics; machining a second face of the substrate until the non-magnetic material is reached, so as to create a magnetic gap; and bonding a part carrying a magnetic layer onto the first face of the substrate so as to form a magnetic circuit.