Patent ID: 6369993
Filing Date: 2002-04-09
Classification: B82Y,G01R,G11B

Abstract:
A shielded magnetoresistance (MR) effect sensor, comprising:a lower shielding layer laminated on a substrate; a lower gap layer laminated on said lower shielding layer; a MR effect device laminated on said lower gap layer, said MR effect device having a top surface and side surfaces and a protective layer 2-7 nm thick; a vertical bias layer laminated on said lower gap layer and directly contacting said side surfaces of said MR effect device; a lower electrode layer laminated on said vertical bias layer and directly contacting said side surfaces of said MR effect device; an upper gap layer laminated on said lower electrode layer and on said top surface of said MR effect device; and an upper shielding layer laminated on said upper gap layer.