1
Bernard Dieny, Bruce A Gurney, Steven E Lambert, Daniele Mauri, Stuart S P Parkin, Virgil S Speriosu, Dennis R Wilhoit: Magnetoresistive sensor based on the spin valve effect. International Business Machines Corporation, Otto Schmid Jr, Leslie G Murray, April 27, 1993: US05206590 (295 worldwide citation)

A magnetoresistive (MR) sensor comprising a first and a second thin film layer of a magnetic material separated by a thin film layer of a non-magnetic metallic material. The first ferromagnetic layer is magnetically soft. The magnetization direction of the first layer of magnetic material is set sub ...


2
Byron R Brown, Hung L Hu, Klaas B Klaassen, Joseph J Lum, Jacobus C L Van Peppen, Walter E Weresin: Method and apparatus for in-situ measurement of head/recording medium clearance. International Business Machine Corporation, Otto Schmid Jr, October 11, 1988: US04777544 (190 worldwide citation)

A method and apparatus for measuring the flying height of a slider supporting a magnetic transducer in-situ in a direct manner in an operational magnetic disk storage system. The method and apparatus produce relative motion between the magnetic transducer and a magnetic recording medium at a first v ...


3
Bernard Dieny, Bruce A Gurney, Serhat Metin, Stuart S P Parkin, Virgil S Speriosu: Magnetoresistive sensor based on the spin valve effect. International Business Machines Corporation, Otto Schmid Jr, Leslie G Murray, October 27, 1992: US05159513 (173 worldwide citation)

A magnetoresistive (MR) sensor comprising a layered structure formed on a substrate includes a first and a second thin film layer of magnetic material separated by a thin film layer of non-magnetic metallic material such as Cu, Au, or Ag, with at least one of the layers of ferromagnetic material for ...


4
Ching H Tsang: Magnetoresistive read transducer having patterned longitudinal bias. International Business Machines, Otto Schmid Jr, May 5, 1987: US04663685 (124 worldwide citation)

A magnetoresistive (MR) read transducer assembly in which the thin film MR layer is longitudinally biased only in the end regions by exchange bias developed by a thin film of antiferromagnetic material that is deposited in direct contact with the MR layer in the end regions. The longitudinal bias is ...


5
Mohamad T Krounbi, Otto Voegeli, Po Kang Wang: Magnetoresistive read transducer having hard magnetic bias. Otto Schmid Jr, May 21, 1991: US05018037 (118 worldwide citation)

A magnetoresistive (MR) read transducer having passive end regions separated by a central active region in which an MR layer is formed which extends over substantially only the central active region and in which a hard magnetic layer is formed in each end region. The hard magnetic layers form an abu ...


6
Hugo A A Santini: Electroplating cell. International Business Machines, Otto Schmid Jr, September 29, 1987: US04696729 (111 worldwide citation)

An electroplating cell having a cathode assembly which is vertically mounted and which holds a plurality of wafers to be plated, and an anode which is vertically mounted adjacent to the cathode assembly. The anode and cathode are spaced apart and form opposite walls of a channel through which the pl ...


7
Burn J Lin: Optical projection printing threshold leveling arrangement. International Business Machines Corporation, G E Roush, Otto Schmid Jr, June 26, 1984: US04456371 (87 worldwide citation)

Semiconductor fabrication using optical projection apparatus is enhanced in an arrangement having means for producing exposures tailored to the patterns on the conventional photo-mask. A predetermined correction photo-mask capable of producing different exposure levels according to the original mask ...


8
Alan S Campbell, Jerome M Eldridge, Francis C Lee, Graham Olive: Thermal drop-on-demand ink jet print head. International Business Machines Corporation, Otto Schmid Jr, September 26, 1989: US04870433 (82 worldwide citation)

An array of resistive heater elements, each of which is connected in an electrical circuit between a common electrode and one of the control electrodes. Each of the resistive heater elements comprises a plurality of portions arranged so that a small elongated opening in provided at the middle of the ...


9
Mark A Church, Annayya P Deshpande, Alain M Desouches, George S Pal, Michael P Salo, Muhammad I Ullah: Lapping control system for magnetic transducers. International Business Machines Corporation, Otto Schmid Jr, April 10, 1990: US04914868 (80 worldwide citation)

A lapping control system for a row of thin film magnetic transducers formed on a substrate. Each of the magnetic transducers comprises a magnetoresistive (MR) element, and the row is supported on a holder which has an elongated H-shaped slot near one edge to form a beam member upon which the row is ...


10
Thomas Harvey Morrin II: Method and apparatus for form removal from contour compressed image data. International Business Machines Corporation, Otto Schmid Jr, April 26, 1977: US04020462 (70 worldwide citation)

An apparatus for removing form (background) information from an image for data compression; and for adding the form information during reconstruction of the image.