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Romankiw Lubomyr T: Integrated magnetoresistive read, inductive write, batch fabricated magnetic head. International Business Machines Corporation, Jones II Graham S, September 23, 1975: US3908194 (93 worldwide citation)

A thin film head includes a permeable substrate providing a first shield, which may include a more highly permeable layer on its upper surface for shielding, a layer of permeable material thereon providing a second shield and a first write head leg referred to as the shielding-leg layer and a magnet ...


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Koneval Donald J: Method of making electrographic recording heads employing printed circuit techniques. Gould, Hyde Eber J, September 9, 1975: US3903594 (31 worldwide citation)

Electrographic recording heads are fabricated using printed circuit techniques. A head with two parallel rows of recording electrode areas is constructed by forming two confronting rows of electrode conductors on one face of a thin substrate. The substrate then is folded and secured together substra ...


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Alger James A, Miyata John J: Method for making narrow track ferrite core flying pads. VRC California, Fraser and Bogucki, December 2, 1975: US3922776 (24 worldwide citation)

A high yield method for manufacturing a narrow precisely defined track width ferrite core flying pad in which a core is bonded to a support piece after which a portion of the core adjacent an air bearing surface of the support piece is removed, thereby narrowing the core width. The ferrite core havi ...


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Kayser Wolfgang: Integrated magnetic transducer and method of manufacturing the same.. Siemens, July 22, 1981: EP0032230-A2 (19 worldwide citation)

There is disclosed an integrated magnetic transducer for recording and reproducing high frequency electrical signals on a magnetic recording medium and a method of manufacturing the transducer. A silicon substrate has a preferably V-shaped groove with two sides and two ends extending through the sil ...


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Kroon William L: Method of manufacturing a multitrack magnetic head. Ampex Corporation, October 7, 1975: US3909932 (15 worldwide citation)

A multitrack magnetic head asembly is described in which magnetic ferrite pole tips are held in place at the transducing face of the assembly by a ceramic material to which the ferrite pole pieces are glass bonded. This face part is in turn secured to a core housing carrying a plurality of core memb ...


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Albert Paul Andre, Kennedy Thomas Nolan: Method of making read/write transducer heads and heads so made.. Ibm, July 23, 1980: EP0013363-A1 (13 worldwide citation)

In making a magnetic transducer head with both read and write transducers a problem occurs as the transducers must be accurately aligned but are separated by an insulating layer. A method of making a read/write transducer head is disclosed which has separate read (16) and write (18) transducers comp ...


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Moore Peter Cecil: Common reluctance path multi-gap magnetic transducer.. Garlic Tech, June 13, 1984: EP0110513-A2 (12 worldwide citation)

A magnetic multi-gap transducer having a single integrated core structure with a central common I-bar (22) and a pair of flanking pole pieces (21, 23). A first relatively low reluctance magnetic path is formed by the I-bar and a first one (21) of the flanking pole pieces to provide a recording gap ( ...


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Church Mark Anthony, Decker Stephen Keith: Integrated magnetic transducer head assembly including an inductive write device and a magnetoresistive read device.. Ibm, February 22, 1984: EP0100841-A1 (10 worldwide citation)

In an assembly consisting of an inductive write device comprising first and second magnetic thin film pole pieces (14, 16) separated by a non-magnetic transducing gap, a magnetoresistive read element (24) disposed in the transducing gap and conductors (36, 38) in electrical contact with the magnetor ...


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