Magnetic head

Abstract

Abstract PURPOSE: To obtain the magnetic head suitable for metal tapes and excellent in the output characteristics and sensitivity for reproduction, in which the gap is formed by butting the first and the core second semispheres made of types of material with different in the magnetic flux density and made of high magnetic permeability material and the coil is wound. CONSTITUTION: The gap 8 is formed by butting the first core semisphere 6 made of high magnetic permeability material such as high hardness permalloy or sendust having greater magnetic flux density and the second core semisphere 7 made of high magnetic permeability material such as high hardness permalloy having smaller magnetic flux density than that used for the first core semisphere, and the objective magnetic head can be obtained by winding the coil 9 on the first core semisphere 6 or the second core semisphere 7. Thus, by using the high hardness permalloy comparatively low cost, the magnetic head excellent in the sensitivity of reproduction can be obtained. COPYRIGHT: (C)1981,JPO&Japio

Inventors

• 👤 Naohiko Toshimitsu

Bibliographic Details