Abstract: In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an angle adjusting step for adjusting the angle of the floated surface of the block with reference to a magnetic-head-element formed surface of a substrate and grinding the floated surface concerned, and a finishing lapping step of lapping the floated surface at an angle adjusted in the angle adjusting step.

Abstract: An object is to improve the cleanness achieved by washing through effectively suppressing the residual of solvent remained on a wash-target after washing. The present invention is a wash-target holder soaked in a wash tank by holding a wash-target, which comprises a tray for placing the wash-target, a surrounding member, which is provided standing up on a wash-target placing face of the tray, for surrounding the periphery, and a defluxion-restricting member for restricting the defluxion of the wash-target from the tray. In the periphery of the wash-target surrounded by the surrounding member, an opening for letting in and out the solvent used for washing the wash-target is formed.

Abstract: In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an angle adjusting step for adjusting the angle of the floated surface of the block with reference to a magnetic-head-element formed surface of a substrate and grinding the floated surface concerned, and a finishing lapping step of lapping the floated surface at an angle adjusted in the angle adjusting step.

Abstract: In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an angle adjusting step for adjusting the angle of the floated surface of the block with reference to a magnetic-head-element formed surface of a substrate and grinding the floated surface concerned, and a finishing lapping step of lapping the floated surface at an angle adjusted in the angle adjusting step.

Abstract: An element for detecting an amount of lapping of a stacked structure that includes a substrate and a magnetic field detecting sensor is provided. The element comprises: a resistive film that is arranged on a lapping surface of the stacked structure, the resistive film being exposed at the lapping surface together with the magnetic field detecting sensor, wherein the resistive film has a resistance value that varies depending on the amount of lapping; and a pad for measuring the resistance value, wherein the pad is formed on a surface of the stacked structure, the surface being other than the lapping surface, and wherein the pad is electrically connected to one end of the resistive film. Another end of the resistive film is electrically connected to the substrate.

Abstract: A method for manufacturing sliders from a bar has: a radiating step which includes radiating an electromagnetic wave on at least a part of each space on a second surface of said bar, wherein said second surface is a back surface of a first surface of said bar, said first surface being formed into an air bearing surface of said slider, wherein said space is sandwiched between said elements, and wherein said electromagnetic wave is radiated such that an entire portion of said bar forms a curved shape such that said first surface forms a convex surface; a lapping step of lapping said first surface while pressing said bar against a lapping surface such that said first surface of each element forms a concave shape; and a dicing step of dicing said bar along said spaces to separate said bar into said sliders.

Abstract: The present invention provides a method of manufacturing a thin film magnetic head in which MR height and neck height can be determined with high precision. A plurality of thin film magnetic head bars are formed so as to include a plurality of thin film magnetic head precursors, a plurality of RLG sensors for reproducing head portions, and a plurality of RLG sensors for recording head portions. While detecting electrical resistance values of resistance films by using the RLG sensors for the reproducing head portions, the thin film magnetic head bar is pre-polished. Electrical resistance values of the resistance films are detected by using both of the RLG sensors for the reproducing head portions and the RLG sensors for the recording head portions and a tilt of a polished surface of the thin film magnetic head bar is adjusted.

Abstract: An element for detecting an amount of lapping of a stacked structure that includes a substrate and a magnetic field detecting sensor is provided. The element comprises: a resistive film that is arranged on a lapping surface of the stacked structure, the resistive film being exposed at the lapping surface together with the magnetic field detecting sensor, wherein the resistive film has a resistance value that varies depending on the amount of lapping; and a pad for measuring the resistance value, wherein the pad is formed on a surface of the stacked structure, the surface being other than the lapping surface, and wherein the pad is electrically connected to one end of the resistive film. Another end of the resistive film is electrically connected to the substrate.

Abstract: A manufacturing method of a flying magnetic head slider includes a step of providing a substrate with a plurality of inductive write head elements formed thereon, each head element having a pair of magnetic poles facing to each other via a magnetic gap, and with a protection layer covering the plurality of inductive write head elements, a step of cutting the substrate to separate into a plurality of bar members, each of the bar members having aligned inductive write head elements, a step of processing the protection layer of each bar member so that a distance from an end edge of the pair of magnetic poles to an edge of a bottom surface of the bar member becomes in a range of 1 to 15 ?m, a step of lapping each bottom surface of the bar member, and cutting each bar member to separate into a plurality of individual magnetic head sliders.

Abstract: A method for shaping an ABS of a magnetic head slider including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a laser beam there through, the first surface being opposite an ABS of the at least one row bar, a step of shaping the ABS of the at least one row bar in a convex shape by radiating a laser beam to the first surface of the at least one row bar through the adhesive or UV tape, a step of cutting the at least one row bar into individual magnetic head sliders, and a step of then, removing the magnetic head sliders from the adhesive or UV tape after weakening adhesion properties of the adhesive or UV tape.

Abstract: A method for manufacturing sliders from a bar has: a radiating step which includes radiating an electromagnetic wave on at least a part of each space on a second surface of said bar, wherein said second surface is a back surface of a first surface of said bar, said first surface being formed into an air bearing surface of said slider, wherein said space is sandwiched between said elements, and wherein said electromagnetic wave is radiated such that an entire portion of said bar forms a curved shape such that said first surface forms a convex surface; a lapping step of lapping said first surface while pressing said bar against a lapping surface such that said first surface of each element forms a concave shape; and a dicing step of dicing said bar along said spaces to separate said bar into said sliders.

Abstract: The heaters in the respective thin-film magnetic head in the bar are electrically connected to its neighbors, and a variable resistor is connected to each of the heaters in parallel. The resistance of each of the variable resistors is varied depending on the amount that the medium-opposing surface (ABS) of the thin-film magnetic head is to project. Also, the medium-opposing surface of the thin-film magnetic head in the magnetic head bar is polished while energizing all the heaters by the same power supply.

Abstract: In a magnetic head manufacturing method, a floated surface of each block having plural magnetic head elements formed and arranged on a substrate is ground and lapped in a grinding/lapping step. The grinding/lapping step contains an anglea djusting step for adjusting the angle of the floated surface of the block with reference to a magnetic-head-element formed surface of a substrate and grinding the floated surface concerned, and a finishing lapping step of lapping the floated surface at an angle adjusted in the angle adjusting step.

Abstract: The present invention provides a method of manufacturing a thin film magnetic head in which MR height and neck height can be determined with high precision. A plurality of thin film magnetic head bars are formed so as to include a plurality of thin film magnetic head precursors, a plurality of RLG sensors for reproducing head portions, and a plurality of RLG sensors for recording head portions. While detecting electrical resistance values of resistance films by using the RLG sensors for the reproducing head portions, the thin film magnetic head bar is pre-polished. Electrical resistance values of the resistance films are detected by using both of the RLG sensors for the reproducing head portions and the RLG sensors for the recording head portions and a tilt of a polished surface of the thin film magnetic head bar is adjusted.

Abstract: An object is to improve the cleanness achieved by washing through effectively suppressing the residual of solvent remained on a wash-target after washing. The present invention is a wash-target holder soaked in a wash tank by holding a wash-target, which comprises a tray for placing the wash-target, a surrounding member, which is provided standing up on a wash-target placing face of the tray, for surrounding the periphery, and a defluxion-restricting member for restricting the defluxion of the wash-target from the tray. In the periphery of the wash-target surrounded by the surrounding member, an opening for letting in and out the solvent used for washing the wash-target is formed.

Abstract: The present invention relates to a lapping apparatus and a lapping method that may effect further machining in response to each element on a ceramic bar to the ceramic bar that is largely locally lapped and may reduce a cost needed for machining without any jig for holding the ceramic bar. The ceramic bar is held by a surface of an elastic member made of rubber or the like. A plurality of actuators are arranged on a back surface of this elastic member. When the ceramic bar is depressed against the lapping surface, a specific portion of the ceramic bar is deformed or strongly deformed through the elastic member by these actuators to thereby make it possible to perform the lapping in response to each element.

Abstract: A method for shaping an ABS of a magnetic head slider includes including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a laser beam there through, the first surface being opposite an ABS of the at least one row bar, a step of shaping the ABS of the at least one row bar in a convex shape by radiating a laser beam to the first surface of the at least one row bar through the adhesive or UV tape, a step of cutting the at least one row bar into individual magnetic head sliders, and a step of then, removing the magnetic head sliders from the adhesive or UV tape after weakening adhesion properties of the adhesive or UV tape.

Abstract: A method for shaping an ABS of a magnetic head slider including a step of holding at least one row bar with a plurality of aligned thin-film magnetic head elements by adhering a first surface of the at least one row bar to an adhesive or UV tape capable of passing a laser beam there through, the first surface being opposite an ABS of the at least one row bar, a step of shaping the ABS of the at least one row bar in a convex shape by radiating a laser beam to the first surface of the at least one row bar through the adhesive or UV tape, a step of cutting the at least one row bar into individual magnetic head sliders, and a step of then, removing the magnetic head sliders from the adhesive or UV tape after weakening adhesion properties of the adhesive or UV tape.

Abstract: A flying head slider includes at least one head element, a first end surface, near which at least one head element is formed, a second end surface opposite to the first end surface, a bottom surface, and at least one chamfered section formed on at least one edge between at least one of the first and second end surfaces and the bottom surface.

Abstract: A manufacturing method of a flying magnetic head slider includes a step of providing a substrate with a plurality of inductive write head elements formed thereon, each head element having a pair of magnetic poles facing to each other via a magnetic gap, and with a protection layer covering the plurality of inductive write head elements, a step of cutting the substrate to separate into a plurality of bar members, each of the bar members having aligned inductive write head elements, a step of processing the protection layer of each bar member so that a distance from an end edge of the pair of magnetic poles to an edge of a bottom surface of the bar member becomes in a range of 1 to 15 ?m, a step of lapping each bottom surface of the bar member, and cutting each bar member to separate into a plurality of individual magnetic head sliders.