Patent ID: 6160682
Filing Date: 2000-12-12
Classification: G11B

Abstract:
A magnetic head device comprising:a first head chip having a first magnetic gap for recording signals on and/or reproducing signals from a disc-shaped recording medium with a first density;a second head chip having a second magnetic gap for recording signals on and/or reproducing signals from the disc-shaped recording medium with a second density; anda center slider arranged between and bonded to said first and second head chips,wherein,a surface of the first head chip facing the disc-shaped recording medium carries a first rail extending parallel to a running direction of the disc-shaped recording medium, relative to the first head chip,a surface of the second head chip facing the disc-shaped recording medium carries a second rail extending parallel to said first rail,said first rail formed by parallel grooves in said first head chip so that said first rail is smaller in width than said overall width of said first head chip,said first rail does not include any portion of said center slider, andsaid first and second rails protrude above a remainder of said surface.