Gimbal Mounting Region Detail Patents (Class 360/245)
-
Patent number: 10177690Abstract: A device and method of producing electrical energy by gravitomagnetic induction utilizing Nano-features fabricated on an object surface of an object is presented. The Nano-features may include Nano-bumps and Nano-pits. One device version includes a computer hard disk, a piezoelectric glide head and/or a GMR read head, a typical hard drive's electronics, wherein defects are fabricated on the disk using a Focused Ion Beam (FIB) by depositing requisite number of nanobumps of specified height, and etching equal number of nanopits of specified depth a few mils or mm apart on a pre-decided radius. By spinning the nano-features disk one produces an associated magnetic force utilizing a GMR read head for producing power by the presence or the absence of matter on an object that is in motion relative to the GMR read head.Type: GrantFiled: April 15, 2016Date of Patent: January 8, 2019Inventor: Michael Boyd
-
Patent number: 9817086Abstract: CPP-GMR sensors and methods for making them are disclosed. In an implementation, a CPP-GMR sensor comprises: a substrate; an antiferromagnetic (AFM) layer formed on the substrate; a magnetic pin layer formed on the AFM layer; a first wire electrically coupled to the pin layer; a non-magnetic spacer layer formed on the pin layer, the spacer layer insulated from the first wire by electrical insulation material; a sensing layer formed on the spacer layer; a protective layer formed on the sensing layer; and a second wire formed on the protective layer, the second wire electrically coupled to the first wire through the protective layer, the sensing layer, the spacer layer and the pin layer.Type: GrantFiled: September 21, 2015Date of Patent: November 14, 2017Assignee: Apple Inc.Inventor: Hyuk J. Choi
-
Patent number: 9240203Abstract: Various embodiments concern a gimbaled flexure having a dual stage actuation structure comprising flexure which comprises a gimbal. The gimbal comprises at least one spring arm and a tongue connected to the at least one spring arm. The dual stage actuation structure further comprises a motor mounted on the gimbal, the motor comprising a top side and a bottom side opposite the top side, the bottom side of the motor facing the flexure. The dual stage actuation structure further comprises a damper located between the motor and the flexure, the damper contacting the tongue and the bottom side of the motor. The damper comprises one or both of elastic and viscoelastic material. Various other features of a dual stage actuation structure are provided.Type: GrantFiled: August 25, 2014Date of Patent: January 19, 2016Assignee: Hutchinson Technology IncorporatedInventors: Mark A. Miller, Jacob D. Bjorstrom, Nole D. German
-
Patent number: 9142744Abstract: According to one embodiment, a semiconductor light emitting device includes: a semiconductor layer; a first electrode; a first interconnection layer; a second electrode; a second interconnection layer; a support substrate; a bonding layer; a first terminal; and a second terminal. The support substrate has a third face facing the semiconductor layer, the first interconnection layer, and the second interconnection layer and a fourth face opposite to the third face. The support substrate has a first opening extending from the fourth face to the first interconnection layer and a second opening extending from the fourth face to the second interconnection layer. The bonding layer is provided between the support substrate and each of the semiconductor layer, the first interconnection layer, and the second interconnection layer.Type: GrantFiled: March 19, 2013Date of Patent: September 22, 2015Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Hideyuki Tomizawa, Akihiro Kojima, Miyoko Shimada, Yosuke Akimoto, Yoshiaki Sugizaki, Hideto Furuyama
-
Patent number: 9142693Abstract: An optoelectronic package includes a substrate and a cover element bonded onto the substrate. The cover element defines a cavity for accommodating semiconductor chips and optoelectronic components. The cover element includes a first adhesive bonding area configured for receiving a first adhesive and being bonded with a predetermined region of the substrate by the first adhesive. The engagement of the cover element and the substrate defines a second adhesive bonding area. The second adhesive bonding area is configured for receiving a second adhesive and confining the second adhesive within a localized area. A method for making an optoelectronic package is also provided.Type: GrantFiled: April 11, 2013Date of Patent: September 22, 2015Assignee: SAE MAGNETICS (H.K.) LTD.Inventors: Dennis Tak Kit Tong, Vincent Wai Hung, Danny Chih Hsun Lin, Francis Guillen Gamboa
-
Patent number: 8896968Abstract: Various embodiments concern a gimbaled flexure having a dual stage actuation structure comprising flexure which comprises a gimbal. The gimbal comprises at least one spring arm and a tongue connected to the at least one spring arm. The dual stage actuation structure further comprises a motor mounted on the gimbal, the motor comprising a top side and a bottom side opposite the top side, the bottom side of the motor facing the flexure. The dual stage actuation structure further comprises a damper located between the motor and the flexure, the damper contacting the tongue and the bottom side of the motor. The damper comprises one or both of elastic and viscoelastic material. Various other features of a dual stage actuation structure are provided.Type: GrantFiled: October 10, 2013Date of Patent: November 25, 2014Assignee: Hutchinson Technology IncorporatedInventors: Mark A. Miller, Jacob D. Bjorstrom, Nole D. German
-
Patent number: 8891206Abstract: Various embodiments concern a gimbaled flexure having a dual stage actuation structure. The flexure comprises a gimbal which includes a pair of spring arms, a pair of struts, and a tongue between the spring arms. A motor is mounted on the gimbal. The motor comprises a top side and a bottom side opposite the top side. The bottom side of the motor faces the flexure. A stiffener is mounted on the top side of the motor. At least one layer of adhesive is located between the stiffener and the motor and bonded to the stiffener and the motor. The gimbaled flexure includes a slider mounting for attaching a slider, such as to the tongue. The motor bends the struts to move the slider mounting about a tracking axis while the stiffener limits the degree of bending of the motor.Type: GrantFiled: October 2, 2013Date of Patent: November 18, 2014Assignee: Hutchinson Technology IncorporatedInventor: Mark A. Miller
-
Patent number: 8861143Abstract: Disclosed is an assembly located in a memory device. The assembly includes: a suspension including a flexure to which a slider is coupled and a load beam disposed at an upper part of the flexure. The assembly also includes at least one piezoelectric film coupled to the suspension and configured to control at least one of an angle between the load beam and the flexure in a pitching direction and an angle between the load beam and the flexure in a rolling direction by being extended or contracted when electrical current is applied thereto.Type: GrantFiled: March 30, 2012Date of Patent: October 14, 2014Assignee: Seagate Technology LLCInventors: Eo Jin Hong, Young Bae Chang, Woo Sung Kim
-
Publication number: 20140293473Abstract: A thin film magnetic head includes a spin valve film that includes a magnetization free layer, a magnetization pinned layer and a non-magnetic spacer layer that is disposed between the magnetization free and pinned layers, and a pair of side layers that are disposed at both sides of the spin valve film in a track width direction and at least in the vicinity of the magnetization free layer and the magnetization pinned layer. Each of the side layers has a bias magnetic field application layer that includes a soft magnetic layer and applies a bias magnetic field in the track width direction to the magnetization free layer, and a gap layer that is positioned between the spin valve film and the bias magnetic field application layer, and the side layers have compression stresses at least in the vicinity of the magnetization pinned layer.Type: ApplicationFiled: March 29, 2013Publication date: October 2, 2014Applicant: TDK CorporationInventor: TDK Corporation
-
Patent number: 8792212Abstract: Disclosed is a flexure for a head/gimbal assembly suspension for a disk drive. The flexure comprises a metal base layer that includes two outrigger beams and a support island supported by a pair of beams extending from a flexure tongue. The flexure further comprises: a trace layer that is disposed over the base layer that includes a plurality of conductive traces, each conductive trace having a curved section that terminates in a trace termination pad; and a dielectric layer disposed between the trace and base layers including a portion underlying the trace termination pads and overlying the support island. The support island is supported by the pair of beams extending from the flexure tongue and is sized to fully support the trace termination pads of the conductive traces.Type: GrantFiled: September 14, 2010Date of Patent: July 29, 2014Assignee: Western Digital (Fremont), LLCInventors: Tzong-Shii Pan, Theerawat Petdee
-
Publication number: 20130321957Abstract: A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the dimple providing a pitch axis and a roll axis for the slider. The suspension also includes at least one tab member fixed in relation to the load beam, where each of the at least one tab member is aligned with or is distal to the dimple. The at least one tab and a portion of the gimbal define a gimbal limiter that is aligned with or distal to the dimple. The at least one tab member extends either longitudinally or laterally from the load beam at or distal to the dimple.Type: ApplicationFiled: July 26, 2013Publication date: December 5, 2013Applicant: Seagate Technology LLCInventors: Michael Allen Greminger, Razman Zambri, Jackson William Brandts
-
Patent number: 8599654Abstract: A head gimbal assembly has a flexure forming a part of a suspension configured to extend along a surface of a recording medium. A flexible substrate is provided on the flexure. A slider is mounted onto at least a part of the flexible substrate so as to oppose the surface of the recording medium, and is configured to generate near field light from an introduced light flux. A light supply portion is mounted on the flexure and is provided between the flexure and the slider. The flexible substrate has an end surface forming a mirror surface that faces an end surface of the light supply portion and is inclined with respect to an optical axis of the light supply portion. The light supply portion is optically coupled to the slider via the mirror surface of the flexible substrate.Type: GrantFiled: September 29, 2010Date of Patent: December 3, 2013Assignee: Seiko Instruments Inc.Inventors: Masakazu Hirata, Manabu Oumi, Norio Chiba, Sachiko Tanabe, Yoko Shinohara
-
Patent number: 8493689Abstract: A head gimbal assembly includes a gimbal, a slider, and a polymer layer. The gimbal comprises a metal layer, and the metal layer of the gimbal defines a gimbal mounting portion for attachment to a metallic load beam and a gimbal tongue extending from the gimbal mounting portion. The slider comprises a ceramic material for carrying a transducing head, and at least a portion of the slider is secured to the gimbal tongue. The polymer layer is positioned adjacent to the gimbal and configured for limiting ceramic-to-metal and metal-to-metal contact.Type: GrantFiled: June 15, 2009Date of Patent: July 23, 2013Assignee: Seagate Technology LLCInventors: Manish Virmani, Paritosh Chandrakant Panchal, James Fisher, Keefe Michael Russell, Sandeepan Bhattacharya
-
Patent number: 8456776Abstract: A disk drive includes a head gimbal assembly with a laser light source that is disposed on a back face of the slider (opposite an air bearing surface). The laser light source is attached to the flexure tongue. The flexure includes a plurality of bends that offset a flexure bond pad shelf from a flexure tongue by an offset distance (measured in a direction that is normal to the air bearing surface). The offset distance may be approximately equal to the thickness of the laser light source. A plurality of flexure bond pads on flexure bond pad shelf is electrically connected to respective ones of a plurality of head bond pads.Type: GrantFiled: August 10, 2011Date of Patent: June 4, 2013Assignee: Western Digital Technologies, Inc.Inventor: Tzong-Shii Pan
-
Patent number: 8446694Abstract: A head gimbal assembly (HGA) for a disk drive includes a mounting plate configured to be attachable to an actuator arm, a load beam extending from the mounting plate, a laminated flexure, first and second piezoelectric elements, and a read head. The laminated flexure includes a fixed portion that is attached to the load beam, and a head mounting tongue that is connected to the fixed portion by first and second compliant members. The read head is bonded to the head mounting tongue. The laminated flexure also includes first and second piezoelectric element receiving windows, each adjacent a respective one of the first and second compliant members. The first and second piezoelectric elements are each disposed within a respective one of the first and second piezoelectric element receiving windows.Type: GrantFiled: September 25, 2012Date of Patent: May 21, 2013Assignee: Western Digital Technologies, Inc.Inventors: Jifang Tian, Jian Yang, Qiang Yang
-
Patent number: 8339743Abstract: A main object of the present invention is to provide a substrate for suspension which is produced at low costs and can sufficiently attain the prevention of damage by electrostatic discharge and restraint of noises. To attain the object, the present invention provides a substrate for suspension, comprising: a metallic substrate, an insulating layer formed on the metallic formed in substrate and having an opening from which the metallic substrate is exposed, a grounding-wiring layer formed on the insulating layer and arranged near the opening, and a ground terminal formed in the opening and contacting the metallic substrate and the grounding-wiring layer, characterized in that the ground terminal is made of a metal having a melting point of 450° C. or lower.Type: GrantFiled: September 9, 2011Date of Patent: December 25, 2012Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoichi Miura, Tooru Serizawa, Shinichiro Busujima
-
Patent number: 8259416Abstract: A disk drive head suspension including a load beam having a load beam load point region and a flexure, attached to the load beam, having a flexure load point region. A mass of viscoelastic material is fixedly attached to both load beam load point region and flexure load point region to form a pinned load point. A method for manufacturing a disk drive head suspension of the type having a flexure with a flexure load point region on a load beam with a load beam load point region. The flexure load point region is spaced apart from the load beam load point region. A load point is formed by applying a mass of viscoelastic material to the load point region of at least one of the flexure and the load beam.Type: GrantFiled: May 9, 2008Date of Patent: September 4, 2012Assignee: Hutchinson Technology IncorporatedInventors: Michael W. Davis, Mohammed Kazemi, Mark G. Lowry, Alan D. Maki
-
Patent number: 8247700Abstract: A wired circuit board has a metal supporting board, an insulating layer formed on the metal supporting board, a conductive pattern formed on the insulating layer and having a pair of wires arranged in spaced-apart relation, and a semiconductive layer formed on the insulating layer and electrically connected to the metal supporting board and the conductive pattern. The conductive pattern has a first region in which a distance between the pair of wires is small and a second region in which the distance between the pair of wires is larger than that in the first region. The semiconductive layer is provided in the second region.Type: GrantFiled: March 12, 2009Date of Patent: August 21, 2012Assignee: Nitto Denko CorporationInventors: Jun Ishii, Yasunari Ooyabu, Visit Thaveeprungsriporn
-
Patent number: 8243392Abstract: A magnetic head slider locking apparatus includes a fixed portion having a distal-side engage portion engaged with a slider's distal end and fixed to a flexure part, an endless spring portion surrounding the fixed portion in a plan view, a connection portion connecting the fixed portion to the spring portion, and a proximal-side engage portion provided to the spring portion so as to be engaged with a slider's proximal end. The spring portion takes an initial posture where no external operational force is applied thereto so that the proximal-side engage portion is located closer to a distal end side in the suspension longitudinal direction than the slider's proximal end, and also takes an elastically deformed posture where an external operational force is applied thereto so that the proximal-side engage portion is located closer to a proximal end side in the suspension longitudinal direction than the slider's proximal end.Type: GrantFiled: July 9, 2010Date of Patent: August 14, 2012Assignee: Suncall CorporationInventor: Masahito Wakahara
-
Patent number: 8199438Abstract: Disclosed is a head gimbal assembly for a hard disk drive that includes a head pivotally connected to a flexure. The flexure has a longitudinal axis. The assembly includes first and second micro-actuators that are located between the flexure and the head and spaced from the longitudinal axis. By way of example, the first and second micro-actuators may be thin piezo-electric transducers. Control signals can be provided to the micro-actuators to vary the pitch and/or roll of the head.Type: GrantFiled: January 15, 2009Date of Patent: June 12, 2012Inventors: Vinod Sharma, Hyung Jai Lee
-
Patent number: 8169745Abstract: A HGA includes a load beam having a dimple formed thereon; a flexure including a suspension tongue and a support plate connected with the suspension tongue; and a slider having a leading edge and trailing edge opposite to the leading edge. The slider is mounted on the flexure such that the slider is supported by the dimple at the center of the slider. The leading edge is attached on the suspension tongue and trailing edge is attached on the support plate. A weight-balance structure is formed on the suspension tongue of the flexure to balance the weight of the HGA between a portion from the trailing edge to the slider center and another portion from the leading edge to the slider center. The invention also discloses various methods of manufacturing HGA with the balanced weight.Type: GrantFiled: July 25, 2007Date of Patent: May 1, 2012Assignee: Sae Magnetics (H.K.) Ltd.Inventors: MingGao Yao, YiRu Xie
-
Patent number: 8134803Abstract: A head gimbal assembly includes a slider assembly and a flexure tongue that cantilevers in a first direction and supports the slider assembly. The slider assembly cantilevers away from the flexure tongue in a second direction different than the first direction. A load beam imparts a force on the flexure tongue and generates a first net torque on the slider assembly. The cantilevering of the slider assembly decreases a magnitude of the first net torque on the slider assembly. The force on the flexure tongue can also generate a second net torque on the slider assembly that is oriented about a second axis different than the first axis. The slider assembly can cantilever in the second direction to decrease the magnitude of the second net torque on the slider assembly. Portions of the flexure tongue and the slider assembly can be spaced apart from one another to form a gap that is directly between the flexure tongue and the slider assembly.Type: GrantFiled: September 29, 2006Date of Patent: March 13, 2012Assignee: Seagate Technology, LLCInventors: John F. Harris, Todd Boucher
-
Patent number: 8089731Abstract: A disk drive suspension with a bend-down tab which supports an outrigger lead. The bend-down tab extends laterally to the suspension and away from the slider, and can include tabs which are narrower than the electrical lead. The depth of the tab can be at least the depth of the outrigger lead, or deeper. The tab can be supported by and integrally formed with an elongate gimbal spring arm.Type: GrantFiled: March 3, 2008Date of Patent: January 3, 2012Assignee: Magnecomp CorporationInventors: Li Jun Ma, Fei He
-
Publication number: 20110292548Abstract: A head gimbal assembly includes windage diversion structures that can comprise a base plate attached to the head gimbal assembly, a load beam, an actuator arm connected to the load beam, and a slider attached to the load beam. The base plate further comprises a grooved or channel portion that is oriented so that a plurality of grooves or channels diverts at least a portion of air flow away from the slider or load beam. A storage device and a method are also disclosed.Type: ApplicationFiled: May 25, 2010Publication date: December 1, 2011Applicant: Seagate Technology LLCInventors: Xu Zou, Sanjeev Sharma, John S. Wright
-
Patent number: 8065786Abstract: Provided is a manufacturing method of heat-assisted magnetic recording head, in which a light source unit can be easily joined to a slider with sufficiently high accuracy, under avoiding the excessive mechanical stress. The manufacturing method comprises the steps of: moving relatively the light source unit and the slider, while applying a sufficient voltage between an upper electrode of the light source and an electrode layer provided in the slider; and setting the light source unit and the slider in desired positions in a direction perpendicular to the element-integration surface of the slider substrate. The desired positions are positions where the light source just emits due to a surface contact between: the protruded portion of the lower surface of the light source; and the upper surface of the electrode layer, which is a portion of the wall surface of a step formed on the head part.Type: GrantFiled: April 23, 2008Date of Patent: November 29, 2011Assignee: TDK CorporationInventors: Koji Shimazawa, Yasuhiro Ito, Eiji Komura, Seiichi Takayama, Kosuke Tanaka
-
Patent number: 8064167Abstract: An elastic plate that is supported at both ends by a pair of supporting pieces of a supporting part functions as the load bending part. A portion of a load beam base plate that is positioned on a distal end side from a load bending center line of the elastic plate includes a parallel region that is fixed to the elastic plate, an intermediate region that extends to a distal end side through a proximal-side bending line along a suspension widthwise direction, and a distal region that extends to a distal end side through a distal-side bending line and is formed with a dimple with which a head-mounting region of a flexure part is brought into contact. The distal-side bending line is positioned in the vicinity of an intermediate point between the load bending center line and the dimple in a suspension lengthwise direction.Type: GrantFiled: May 6, 2009Date of Patent: November 22, 2011Assignee: Suncall CorporationInventors: Yasuo Fujimoto, Satoru Takasugi
-
Patent number: 8040635Abstract: A substrate for suspension which is produced at low costs and can sufficiently attain the prevention of damage by electrostatic discharge and restraint of noises. The substrate for suspension includes: a metallic substrate, an insulating layer formed on the metallic substrate and having an opening from which the metallic substrate is exposed, a grounding-wiring layer formed on the insulating layer and arranged near the opening, and a ground terminal formed in the opening and contacting the metallic substrate and the grounding-wiring layer. The ground terminal is made of a metal having a melting point of 450° C. or lower.Type: GrantFiled: June 20, 2007Date of Patent: October 18, 2011Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yoichi Miura, Tooru Serizawa, Shinichiro Busujima
-
Patent number: 8027127Abstract: In a balanced head gimbal assembly for improved seeking performance, a slider having a magnetic head with a set of read elements to read data and a set of write elements to write data, an air-bearing surface, and a non-air-bearing surface is coupled to a suspension. The suspension includes a loadbeam, a flexure, and a balancing weight. The loadbeam is coupled to an actuator arm. The flexure, coupled to the loadbeam, has a window through which a dimple, coupled to the loadbeam, contacts a dimple contact point. The balancing weight, coupled to the flexure, has a configuration which permits alignment of a center of mass of the head gimbal assembly with the dimple contact point.Type: GrantFiled: February 28, 2011Date of Patent: September 27, 2011Assignee: SAE Magnetics (HK) Ltd.Inventors: Qinghua Zeng, Yen Fu, Li-Yan Zhu, Chao-Hui Yang, Ellis T. Cha
-
Patent number: 8018686Abstract: Systems and methods for accurate position adjustment of thin-film PZT micro-actuators are provided. In certain example embodiments, a head gimbal assembly is provided. A suspension includes a suspension flexure located at one end of the suspension, and the suspension flexure includes a tongue region. At least one micro-actuator is mounted to a micro-actuator mounting region of the tongue region of the suspension flexure. Any gap between the slider and the at least one micro-actuator may be reduced and/or eliminated. A slider is substantially fully mounted on an insulating layer, and the insulating layer separates the slider from the at least one micro-actuator. The suspension flexure may be located substantially fully underneath the slider, and the tongue region of the suspension flexure may be substantially equally weighted around a dimple formed on the suspension. The rigidity of the suspension flexure may be increased by one or more supports formed thereon.Type: GrantFiled: December 18, 2006Date of Patent: September 13, 2011Assignee: SAE Magnetics (H.K.) Ltd.Inventor: MingGao Yao
-
Patent number: 7898772Abstract: A gimbal, a disk drive suspension that includes the gimbal, and a related method of manufacture, wherein the gimbal is configured to be coupled to a slider having a disk drive read-write transducer. The gimbal includes one or more strut(s) having an insulating layer that includes a first surface, and a supporting layer that includes a plurality of segments and that is coupled to the insulating layer's first surface.Type: GrantFiled: August 15, 2007Date of Patent: March 1, 2011Assignee: Magnecomp CorporationInventors: Shahyar Ziaei, Peter Hahn
-
Patent number: 7872834Abstract: A dual stage microactuated head suspension includes a base plate, a mounting region attached to the base plate, a load beam coupled to the mounting region, a flexure supported by the load beam and the mounting region, and a microactuator mechanically and electrically coupled to the mounting region. The mounting region is oriented in a plane and includes a microactuator slot for receiving the microactuator such that the microactuator lies substantially or entirely in the plane of the mounting region. The head suspension includes a microactuator support structure provided for mechanically and electrically coupling the microactuator to the mounting region.Type: GrantFiled: May 3, 2007Date of Patent: January 18, 2011Assignee: Hutchinson Technology IncorporatedInventors: Zachary A. Pokornowski, Ryan N. Ruzicka
-
Publication number: 20100296195Abstract: According to one embodiment, a head gimbal assembly of a disk drive includes an arm and a suspension extending from the arm, a head supported by the suspension, and a flexure on the arm and the suspension. One end portion of the flexure is electrically connected to the head, and the other end portion thereof includes a terminal area. The flexure includes a base insulating layer, a conductor pattern formed on the base insulating layer and having a plurality of connection terminals, and a cover insulating layer formed on the base insulating layer so as to cover the conductor pattern. The connection terminals are exposed to the inside of an opening in the base and cover insulating layers with a protective insulating layer and a thin metal plate overlaid on one surface of each of the connection terminals.Type: ApplicationFiled: January 25, 2010Publication date: November 25, 2010Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takafumi Kikuchi, Yasutaka Sasaki
-
Publication number: 20100290159Abstract: A common tray for HGA comprises a frame, a first inner bar, and a second inner bar parallel to and spaced from the first inner bar. Ends of the first and second inner bars connect to the opposite edges of the frame. A plurality of locating pillars and a plurality pairs of first bumps are uniformly-spaced formed on the first inner bar respectively. The first inner bar has portions between each said pair of first bumps recessed for forming spaces under the HGA. A plurality of second bumps are uniformly-spaced formed on the second inner bar for withstanding an edge of the base plate. The present common tray can replace five kinds of trays traditionally used in the HGA manufacturing process, and thus reduce the load/unload operations as well as the no-value stations and operators, thereby the productive efficiency is improved, and manufacturing cost is reduced.Type: ApplicationFiled: May 18, 2009Publication date: November 18, 2010Applicant: SAE Magnetics (H.K.) Ltd.Inventors: Shenkuang S. Chou, Kayip Wong, Chihung Yuen, ShuMing Zhang, Yuanjin Xu
-
Patent number: 7835112Abstract: An integrated lead flexure for a disk drive head suspension and method for making the flexure. The flexure includes a spring metal layer, a dielectric layer over the spring metal layer, and a plurality of conductive leads on the dielectric layer. The spring metal layer has a first surface, and the dielectric layer has a first surface opposite the spring metal layer first surface, and a plurality of troughs in least a portion of the dielectric layer. At least some of the leads are disposed in a respective dielectric layer trough.Type: GrantFiled: February 12, 2007Date of Patent: November 16, 2010Assignee: Hutchinson Technology IncorporatedInventors: Reid C. Danielson, Steve R. Young, Peter F. Ladwig
-
Publication number: 20100226045Abstract: A slit is formed between two opposite side portions of a metal base made of an electrically conductive material. The slit penetrates the metal base thicknesswise and extends longitudinally relative to the metal base. An insulating layer is formed on the metal base. A first conductor is formed within the slit. The first conductor extends longitudinally relative to the metal base along the slit. A second conductor is formed on the insulating layer. The second conductor faces the first conductor across the insulating layer. The second conductor extends longitudinally relative to the metal base along the first conductor. The metal base and the first conductor consist of a common base material, such as a stainless-steel plate. The first conductor is formed by etching the base material.Type: ApplicationFiled: February 24, 2010Publication date: September 9, 2010Applicant: NHK Spring Co., Ltd.Inventors: Yukie YAMADA, Naoki Yamaguchi
-
Patent number: 7791840Abstract: In the manufacture of a load beam for reading and writing a hard disk in a hard disk drive which load beam has a body having a slope extending from a front end thereof and bent along a bend line in a direction opposite to the hard disk, a tab protruding from the slope and to be guided on a guide of the hard disk drive, and a box-bent portion extending along each side edge of the body and slope and passing through an end of the bend line. A first stage is preparing a load beam material that is flat and has a deformation control zone on a section to be processed into the box-bent portion of the load beam material corresponding to the section to be processed into the bend line so as to prevent the box-bent portion from deforming and protruding when the box-bent portion is formed.Type: GrantFiled: February 21, 2007Date of Patent: September 7, 2010Assignee: NHK Spring Co., Ltd.Inventors: Takashi Horiuchi, Takumi Karasawa
-
Patent number: 7755865Abstract: There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portion 23c on the base part side is formed at both edges close to the tip end of a suspension main frame 23, and at the same time, an elastic material 23d is provided in the free end portion 23c. Also, a sway mode dynamic vibration absorber is formed by the length of the flange portion and the damping effect of the elastic material 23d.Type: GrantFiled: August 31, 2009Date of Patent: July 13, 2010Assignee: Jun NaruseInventors: Kyosuke Ono, Hirotaka Shinada
-
Patent number: 7733607Abstract: A suspension for a HGA includes a base plate, a flexure having a suspension tongue for holding a slider, a load beam, and a hinge that are assembled together; wherein a strengthening plate is formed on the suspension tongue to increase stiffness of the suspension tongue. So the invention enable the use of the suspension with lower pitch and roll stiffness while preventing the suspension deformation. This ensures the slider mounted on the suspension have a good flying performance. The invention also discloses a HGA with such a suspension and a disk drive unit having such an HGA.Type: GrantFiled: September 11, 2006Date of Patent: June 8, 2010Assignee: SAE Magnetics (H.K.) Ltd.Inventors: MingGao Yao, Takashi Honda
-
Patent number: 7724476Abstract: A disk drive head suspension headlift formed from a single piece of stainless steel includes a beam region, lift tab and offset region between the beam region and lift tab. The beam region has a major surface and formed side rails. The lift tab is a coined, trough-shaped member at a z-height spaced from the major surface of the beam region. The offset region has a major surface and side rails that transition in height between the side rails of the beam region and the lift tab.Type: GrantFiled: September 14, 2005Date of Patent: May 25, 2010Assignee: Hutchinson Technology IncorporatedInventors: Jacob D. Bjorstrom, Rick R. Drape, Shane T. Dusoski, Justin M. Eggert, Corey S. Hartmann, Shawn P. Henze, Duane A. Lundin
-
Publication number: 20100097722Abstract: The semiconductor oxide layer that forms a part of the spacer layer in the inventive giant magnetoresistive device (CPP-GMR device) is composed of zinc oxide of wurtzite structure that is doped with a dopant given by at least one metal element selected from the group consisting of Zn, Ge, V, and Cr in a content of 0.05 to 0.90 at %: there is the advantage obtained that ever higher MR ratios are achievable while holding back an increase in the area resistivity AR.Type: ApplicationFiled: October 21, 2008Publication date: April 22, 2010Applicant: TDK CORPORATIONInventors: Tsutomu Chou, Tomohito Mizuno, Koji Shimazawa, Yoshihiro Tsuchiya, Shinji Hara, Hironobu Matsuzawa
-
Patent number: 7701673Abstract: A gimbal design for a hard disk drive are disclosed. In one embodiment, a gimbal tongue is supported by a gimbal cross bar coupled to a suspension body by a pair of gimbal struts. A pair of grounding pads are mounted on either side of the leading edge of the gimbal tongue. A first limiter tab is coupled to the leading edge of the gimbal tongue and a second limiter tab is coupled to the trailing edge of the gimbal tongue. Notches on either side of the trailing edge limiter tab increase the strength of the tab. One or more cutouts allow the slider to be electrically coupled to bonding pads on the opposite side of the gimbal tongue. Angled slots at the juncture of the gimbal cross bar and the gimbal tongue relieve stress on the gimbal.Type: GrantFiled: May 17, 2005Date of Patent: April 20, 2010Assignee: SAE Magnetics (HK) Ltd.Inventors: Jeffery L. Wang, Hai Ming Zhou, Chi Hung Yuen, Yen Fu, Hong Tian
-
Publication number: 20100067147Abstract: This application discloses a hard disk drive, a head stack assembly, and a head gimbal assembly, each including a micro-actuator hinge configured to position a slider over a rotating disk surface with greater stroke sensitivity while reducing bending perpendicular to the disk surface. The micro-actuator hinge includes at least one micro-actuator, a hinge plate and at least one hinge plate cover, with the micro-actuator including a first region and a second region, each coupled between the hinge plate and the hinge plate cover.Type: ApplicationFiled: September 12, 2008Publication date: March 18, 2010Inventors: Haesung Kwon, Hyung Jai Lee
-
Patent number: 7606002Abstract: A disk drive head suspension, including a load beam formed from one or more layers of material, and a flexure mounted to the load beam. The load beam has an offset aperture and stiffening rails, and is characterized by a Z-height dimension between the one or more layers of material and the free end edges of the stiffening rails. The flexure has a slider-receiving region extending at least partially through the offset aperture and located within the Z-height dimension of the load beam. A load point structure is provided on the load beam and/or the flexure for restraining movement of the slider receiving region and for permitting slider-receiving region to pivot in under aerodynamic forces.Type: GrantFiled: May 26, 2006Date of Patent: October 20, 2009Assignee: Hutchinson Technology IncorporatedInventors: Gary J. Berscheit, Joel B. Douglas, Shawn P. Henze, Ryan D. Kariniemi, Mark M. Kiviahde, Duane A. Lundin
-
Patent number: 7606001Abstract: There is provided a head suspension mechanism capable of more effectively restraining sway mode and second-order torsion mode vibrations of the head suspension mechanism caused by an air flow. A flange portion having a free end portion 23c on the base part side is formed at both edges close to the tip end of a suspension main frame 23, and at the same time, an elastic material 23d is provided in the free end portion 23c. Also, a sway mode dynamic vibration absorber is formed by the length of the flange portion and the damping effect of the elastic material 23d.Type: GrantFiled: June 14, 2005Date of Patent: October 20, 2009Assignee: Naruse, JunInventors: Kyosuke Ono, Hirotaka Shinada
-
Publication number: 20090201612Abstract: The invention provides a magnetoresistive device of the CPP (current perpendicular to plane) structure, comprising a magnetoresistive unit, and a first shield layer and a second shield layer which are located and formed such that the magnetoresistive unit is sandwiched between them from above and below, with a sense current applied in the stacking direction, wherein said magnetoresistive unit comprises a non-magnetic intermediate layer, and a first ferromagnetic layer and a second ferromagnetic layer stacked and formed such that said nonmagnetic intermediate layer is sandwiched between them.Type: ApplicationFiled: February 8, 2008Publication date: August 13, 2009Applicant: TDK CORPORATIONInventors: Koji SHIMAZAWA, Tsutomu Chou, Daisuke Miyauchi
-
Publication number: 20090195919Abstract: In a method of fabricating a suspension, a suspension has first and second opposing surfaces and includes a flexure, a load beam, a mounting arm, and traces. The flexure is coupled to a proximal end of the load beam, and the mounting arm is coupled to a distal end of the load beam. The traces are coupled to the flexure. A suspension property to be altered is identified. A value of the unaltered suspension property is measured. An altered value of the suspension property is determined. The flexure, the load beam, or the mounting arm of the suspension, or a combination thereof, is coated with at least one layer of at least one film to alter the identified suspension property from the measured value to the predetermined altered value.Type: ApplicationFiled: February 1, 2008Publication date: August 6, 2009Applicant: SAE Magnetics (H.K.) LTD.Inventor: Niraj Mahadev
-
Publication number: 20090185459Abstract: When a semiconductor laser is arranged outside a slider and a light is to be guided to the slider through a waveguide, the following problems will be solved: the stability of the flying slider is deteriorated due to a stress from the waveguide; and when an actuator is arranged near the flying slider, the motions of the slider are hindered by the waveguide. A waveguide for guiding a light to a light irradiating unit inside a slider, which floats over a medium and has the light irradiating unit for irradiating a light to the medium; and a waveguide for propagating a light from the light source to the waveguide inside the slider, are included. The two waveguides are not in contact with each other, and a relative portion between the two waveguides is movable.Type: ApplicationFiled: January 2, 2009Publication date: July 23, 2009Inventor: Takuya MATSUMOTO
-
Patent number: 7542868Abstract: A method of loading a head gimbal assembly on a disc includes attaching an unmounted head gimbal assembly to a four bar loader. The four bar loader includes a fixed plate, a pivot plate, and a four bar linkage connecting the fixed plate to the pivot plate. The four bar loader is then used to tilt the attached head gimbal assembly toward the surface of the disc.Type: GrantFiled: January 31, 2007Date of Patent: June 2, 2009Assignee: Seagate Technology, LLC.Inventors: Brett Robert Herdendorf, Michael Steven Quam, Andrew Michael Blair, Ronald Eldon Anderson, Kermit Ray Harmon
-
Publication number: 20090073613Abstract: A magnetic-head supporting mechanism includes a slider having a chamfered bleed portion, a mounting portion on which the slider is mounted, a flexible finger portion extending in a longitudinal direction and supporting the mounting portion, a load beam extending in the longitudinal direction that connects at an end to a positioning mechanism, and that applies a load to the slider, and a regulating member extending from the load beam in the longitudinal direction for preventing change of an attitude of the slider when an angular attitude of the slider exceeds a predetermined angle. The regulating member extends over and above the flexible finger portion and over and above the slider and has an end in the longitudinal direction at a position approximately equal to an end of the flexible finger portion in the longitudinal direction.Type: ApplicationFiled: November 5, 2008Publication date: March 19, 2009Inventors: Mikio Tokuyama, Yukio Katou, Jyousei Shimizu, Yasuo Kojima, Hiroshi Nishida, Kouki Uefune
-
Patent number: RE41401Abstract: A magnetic head suspension assembly is fabricated with an integral piece which includes a load beam section, a flexure section, a rear mount section and a leaf spring section between the load beam and rear mount. A tongue extends from the load beam to the flexure and has a down-facing load dimple which contacts the non-air bearing surface of an attached air bearing slider. The flexure includes narrow thin legs adjacent to a cutout that delineates the load beam tongue. The head suspension is characterized by a high first bending mode frequency and low pitch and roll stiffness.Type: GrantFiled: July 30, 2003Date of Patent: June 29, 2010Assignee: Western Digital (Fremont), LLCInventors: Michael R. Hatch, Chak M. Leung