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公开(公告)号：SG60072A1
公开(公告)日：1999-02-22
申请号：SG1997002061
申请日：1997-06-14
Applicant: IBM
Inventor： CHEN PEI C , GORMAN GRACE LIM , HWANG CHERNGYE , RAMAN VEDANTHAM
Abstract: A silicon coating on an air bearing surface for magnetic thin film heads. A thick silicon layer is provided to replace metallic layers such as TiW as an overcoat for thin film heads. The silicon layer will provide a durable head-disk interface and act as a reflective surface for fly height measurement. The silicon layer can be planarized with the pole tips to avoid any magnetic spacing loss. The thickness of the silicon coating is preferably between 125 and 6500 angstroms thick. The slider body may be fabricated from silicon such that the silicon coating is substantially identical to the silicon slider body, thereby preventing thermal mismatch therebetween. The silicon coating is preferably applied using a magnetron sputtering technique which provides a high rate of deposition of silicon to form a dense, low stress silicon layer.
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公开(公告)号：SG49999A1
公开(公告)日：1998-06-15
申请号：SG1997000027
申请日：1997-01-08
Applicant: IBM
Inventor： CHEN PEI C , GORMAN GRACE LIM , HWANG CHERNGYE , RAMAN VENDANTHAM , SIMMONS RANDALL GEORGE
Abstract: A single layer wear coating is provided for a magnetic head assembly. The single layer is silicon or silicon-based material with a thickness in the range of 30-75 ANGSTROM . The single layer may be formed by a single step of deposition employing a DC magnetron. The single layer wear coating improves the wear performance of the magnetic head assembly and protects one or more sensitive elements of a magnetic head without significant reduction of spacing loss.
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公开(公告)号：SG44386A1
公开(公告)日：1997-12-19
申请号：SG1996000075
申请日：1993-05-21
Applicant: IBM
Inventor： LIN TSANN , HOWARD JAMES KENT , HWANG CHERNGYE , MAURI DANIELE , STAUD NORBERT
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