公开(公告)号：JPH01235016A

公开(公告)日：1989-09-20

申请号：JP295589

申请日：1989-01-11

Applicant: IBM

Inventor： HEIDEI RII DEITSUKUSUTEIIN ,  HIROYUKI HIRAOKA ,  JIEEMUZU SHIIITANGU RII

IPC: G11B5/17 ,  G11B5/31

Abstract: PURPOSE: To decrease the treating temp. and treating time in the production of a thin film magnetic head and to improve the dimensional stability by using a photosensitive resin crosslinked with a crosslinking agent which is activated by heat to form an electric insulating body surrounding a conductive coil. CONSTITUTION: The thin film magnetic head assembly 11 consists of a nonmagnetic ceramic base body and a magnetic pole piece layers 12, 14 formed on the base body. A nonmagnetic insulating material 22 is deposited between the magnetic pole piece layers 12, 14. As for the nonmagnetic insulating material 22, a photosensitive resin containing a crosslinking agent which is activated by heat is used. Thereby, the hardening time is significantly decreased, the hardening temp. is significantly decreased, and a more stable insulating layer can be formed.