Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8230582 | Methods of making magnetic write heads with use of a resist channel shrinking solution having corrosion inhibitors One preferred method for use in making a device structure with use of the resist channel shrinking solution includes the steps of forming a first pedestal portion within a channel of a patterned resist; applying a resist channel shrinking solution comprising a resis... | 07/31/2012 |
| 8191234 | Method of manufacturing a magnetic head with reinforcing islands A method for protecting a thin film structure including fabricating a plurality of island structures in a recording gap of a magnetic recording head, exposing a substantial portion of the plurality of island structures by removing at least a portion of the surroundi... | 06/05/2012 |
| 8166630 | Magnetic head slider manufacturing method To provide a manufacturing method which can adjust the lengths of a recording element and a reproducing element for enabling manufacture of high-quality magnetic head sliders. The manufacturing method comprises: a stacked-layer forming step which stacks magnetic hea... | 05/01/2012 |
| 7975367 | Method of manufacturing a thin-film magnetic head A method of manufacturing a magnetic head that includes a reproducing head, a recording head, and an isolation film for magnetically isolating the reproducing head and the recording head from each other. The method includes the steps of: forming the reproducing head... | 07/12/2011 |
| 7950135 | Manufacturing method of magnetoresistive effect element A manufacturing method of an MR element in which current flows in a direction perpendicular to layer planes, includes a step of forming on a lower electrode layer an MR multi-layered structure with side surfaces substantially perpendicular to the layer lamination pl... | 05/31/2011 |
| 7918014 | Method of manufacturing a CPP structure with enhanced GMR ratio A CPP-GMR spin valve having a CoFe/NiFe composite free layer is disclosed in which Fe content of the CoFe layer ranges from 20 to 70 atomic % and Ni content in the NiFe layer varies from 85 to 100 atomic % to maintain low Hc and λS values. A small positi... | 04/05/2011 |
| 7882617 | Method of fabricating a magnetic recording head for perpendicular recording with enhanced covering power The main magnetic pole piece of a magnetic head for perpendicular magnetic recording preferably has an inverted trapezoidal shape in order to maintain a sufficient recording magnetic field. Embodiments of the present invention enhance the covering power of the prote... | 02/08/2011 |
| 7841067 | Method for manufacturing a trailing shield structure for a perpendicular magnetic write head A method for forming a head having a trailing shield that includes forming a gap layer above a pole, forming a mask above the gap layer, and forming a trailing shield above the gap layer and adjacent the mask, a throat height of the trailing shield being defined bet... | 11/30/2010 |
| 7726009 | Method of fabricating a perpendicular recording write head having a gap with two portions A method of fabricating a write head for perpendicular recording includes forming a pole layer on an undercoat layer, forming a mask over at least a portion of the pole layer, and forming the pole by removing material from the pole layer. The method further includes... | 06/01/2010 |
| 7637001 | Method of manufacturing a thin-film magnetic head A method of manufacturing a thin-film magnetic head, the thin-film magnetic head including a recording head, includes the steps of: forming a first magnetic layer; forming a recording gap layer on the first magnetic layer; forming a second magnetic layer on the reco... | 12/29/2009 |
| 7392579 | Method for protecting a slider mounted CPP GMR or TMR read head sensor from noise and ESD damage A slider mounted CPP GMR or TMR read head sensor is protected from electrostatic discharge (ESD) damage and from noise and cross-talk from an adjacent write head by means of a balanced resistive/capacitative shunt. The shunt includes highly resistive interconnection... | 07/01/2008 |
| 7389577 | Method to fabricate an ESD resistant tunneling magnetoresistive read transducer A method to fabricate a tunneling magnetoresistive (TMR) read transducer is disclosed. An insulative layer is deposited on a wafer substrate, and a bottom lead is deposited over the insulative layer. A laminated TMR layer, having a plurality of laminates, is deposit... | 06/24/2008 |
| 7386934 | Double layer patterning and technique for milling patterns for a servo recording head Double photolithography is used to produce an under-layer of protective and filtering photoresist over a substrate that will have channels milled with a FIB. Secondary layers are applied with precision on top of the first layer in order to define the precise pattern... | 06/17/2008 |
| 7367111 | Method for producing a spin valve transistor with stabilization A method and structure for a spin valve transistor (SVT) comprises a magnetic field sensor, an insulating layer adjacent the magnetic field sensor, a bias layer adjacent the insulating layer, a non-magnetic layer adjacent the bias layer, and a ferromagnetic layer ov... | 05/06/2008 |
| 7367109 | Method of fabricating magnetic sensors with pinned layers with zero net magnetic moment A method for achieving a nearly zero net magnetic moment of pinned layers in GMR sensors, such as Co—Fe/Ru/Co—Fe, is described. The method determines a thickness of the first pinned layer which will yield the desired net magnetic moment for the pinned layers. A ... | 05/06/2008 |
| 7343668 | Method of manufacturing perpendicular magnetic recording head capable of highly precisely defining gap distance A method of manufacturing a perpendicular magnetic recording head is provided. The method accurately defines a gap layer. The method includes forming a lower gap layer made of a non-magnetic material on a main magnetic pole layer. An upper gap layer is formed on the... | 03/18/2008 |
| 7322095 | Process of manufacturing a four-sided shield structure for a perpendicular write head A process for reducing fringe field effects of a main write pole by shielding it on all four sides, with the regular return pole also serving as the leading edge shield, is described. The main pole may also be tapered and the leading edge and side shields may be mag... | 01/29/2008 |
| 7320168 | Method to improve heat dissipation in a magnetic shield Problems such as thermal pole tip protrusion result from thermal mismatch between the alumina and pole material during the writing process. This, and similar problems due to inadequate heat dissipation, have been overcome by dividing the bottom shield into two piece... | 01/22/2008 |
| 7313857 | Method of manufacturing a magneto-resistive device A method of manufacturing a magneto-resistive device is provided for reducing a degradation in device characteristics due to annealing. The method includes the steps of depositing constituent layers, which make up a magneto-resistive layer on a base, patterning one ... | 01/01/2008 |
| 7301734 | Longitudinal bias structure with improved magnetic stability A GMR sensor having improved longitudinal biasing is provided as is a method of forming it. The improved biasing is provided by longitudinal biasing structures in which a soft magnetic layer is interposed between a hard magnetic biasing layer and the lateral edge of... | 11/27/2007 |
| 7296339 | Method for manufacturing a perpendicular magnetic recording head A method and system for manufacturing a perpendicular magnetic recording head is disclosed. The method and system include providing a chemical mechanical planarization (CMP) uniformity structure having an aperture therein and forming a perpendicular magnetic recordi... | 11/20/2007 |
| 7296338 | Method and apparatus for providing a reverse air bearing surface head with trailing shield design for perpendicular recording A method and apparatus for providing a reverse air bearing surface head with trailing shield design for perpendicular recording. A reverse air bearing surface head for perpendicular recording is provided with an inversed bevel shape to handle skew when recording dat... | 11/20/2007 |
| 7266880 | Method of making a monolithic magnetic read-while-write head apparatus A method for fabricating a multi-track thin-film magnetoresistive tape head with precisely-aligned read/write track-pairs fabricated on a monolithic substrate wafer is provided. The wafer is fabricated using modified standard thin-film processes for fabricating dire... | 09/11/2007 |
| 7254885 | Wafer-level fabrication method for top or side slider bond pads A method is used for fabricating sliders for use in a disc drive actuation system, the sliders having bonds pads formed on either a top surface or side faces of the slider. The method comprises providing a substrate having a top surface. Trenches are formed in the s... | 08/14/2007 |
| 7249408 | Method of manufacturing a thin-film magnetic head The method of manufacturing a thin-film magnetic head in accordance with the present invention comprises the steps of forming a first magnetic pole layer; removing both sides in a track width direction of the first magnetic pole layer so as to leave a predetermined ... | 07/31/2007 |
| 7228617 | Method for fabricating a GMR read head portion of a magnetic head The GMR read head includes a GMR read sensor and a longitudinal bias (LB) stack in a read region, and the GMR read sensor, the LB stack and a first conductor layer in two overlay regions. In its fabrication process, the GMR read sensor, the LB stack and the first co... | 06/12/2007 |
| 7200918 | Method for forming an air bearing surface on a slider Embodiments include a slider having a silicon body and at least one carbide pad structure embedded therein. At least one head structure for reading and/or writing data is located on the silicon body. The silicon body includes an air bearing surface on which the head... | 04/10/2007 |
| 7181829 | Method of manufacturing a perpendicular magnetic recording head A main magnetic pole layer is formed on an insulating layer flattened into a high-flatness surface, and a yoke layer having a large film thickness is formed under the main magnetic pole layer independently of the main magnetic pole. The main magnetic pole layer has ... | 02/27/2007 |
| 7181826 | Process for protecting a magnetic head A system and method are provided for manufacturing a magnetic head. Initially, a coil structure, a first pole layer, and a gap layer are formed. A second pole layer is then deposited to form a pair of flanking portions flanking a central portion of the second pole l... | 02/27/2007 |
| 7178222 | Method of manufacturing a tunneling magnetoresistive element Insulating layers are formed on both sides of a multilayer film, and bias layers are formed in contact with at least portions of both end surfaces of a free magnetic layer. The bias layers are formed so as not to extend to the upper surface of the multilayer film. I... | 02/20/2007 |
| 7152305 | Method for fabricating a magnetoresistive (MR) read head A magnetoresistive (MR) read head is disclosed including a shield layer with a recessed portion and a protruding portion defined by the recessed portion. Also included is an MR sensor located in vertical alignment with the protruding portion of the shield layer. Fur... | 12/26/2006 |
| 7150093 | Method of manufacturing magnetic recording GMR read back sensor A method of initializing a magnetic sensor and storage system implementing such a magnetic sensor. The method includes heating and cooling dual antiferromagnetic layers in the presence of a magnetic field. ... | 12/19/2006 |
| 7140093 | Process for fabricating a magneto-resistive (MR) sensor A magneto-resistive (MR) sensor is provided including a pinned layer, and a free layer disposed above the pinned layer. Also included is a pair of leads disposed over portions of the free layer. Further, a pinning layer is disposed below the pinned layer. Disposed b... | 11/28/2006 |
| 7137191 | Method for manufacturing magnetic head A first insulating layer is formed on a main magnetic pole used as a magnetic pole layer to have a protruding portion and a flat portion formed around the protruding portion. A second insulating layer is formed on the flat portion, and then the protruding portion of... | 11/21/2006 |
| 7120989 | Process of manufacturing a perpendicular magnetic pole structure For PMR (Perpendicular Magnetic Recording) design, one of the major technology problems is the use of CMP to fabricate the pole structure. If the device is under-polished there is a danger of leaving behind a magnetic shorting layer while if it is over-polished ther... | 10/17/2006 |
| 7114241 | Method of manufacturing a magnetic head device A method of manufacturing a magnetic head device includes forming a thin film magnetic head element over a substrate, the thin film magnetic head element including a magnetoresistance (MR) element. The substrate is cut such that the MR element is exposed on a side s... | 10/03/2006 |
| 7111384 | Method for manufacturing magnetic head including coil A method for manufacturing a magnetic recording head includes the steps of forming a first lifting layer and a second lifting layer on a bottom core layer, forming an inorganic insulating layer in a gap between the first lifting layer and the second lifting layer, f... | 09/26/2006 |
| 7103963 | Method for manufacturing a tunnel junction sensor with non-shunting stabilization A magnetic tunnel junction (MTJ) sensor in which the free layer longitudinal biasing elements are coupled, without insulation, to the free layer outside of the MTJ stack to provide reliable non-shunting MTJ free layer stabilization without extremely thin dielectric ... | 09/12/2006 |
| 7100267 | Magnetic head, method for producing same, and magnetic recording and/or reproducing system A method for producing a magnetic head, including the steps of forming a magnetic body on a substrate, the magnetic body including a principal plane facing the substrate and a rear plane opposite to the principal plane; applying a beam to the rear plane of the magne... | 09/05/2006 |
| 7007374 | Method of making a magnetic head A narrow track width read sensor having a high magnetoresistive sensitivity is made using a self-aligned process which requires the use of only a single resist mask. A plurality of sensor layers is deposited over a substrate. After forming a resist mask in the centr... | 03/07/2006 |
