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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6913870 | Fabrication process using a thin liftoff stencil formed by an image transfer process A material is deposited on a substrate by depositing a liftoff layer overlying the substrate, thereafter depositing a hard-mask layer overlying the liftoff layer, thereafter depositing an image layer in registry with a retained portion of the hard-mask layer, leavin... | 07/05/2005 |
| 6879512 | Nonvolatile memory device utilizing spin-valve-type designs and current pulses A memory device includes a plurality of memory elements each having: an antiferromagnetic layer, a first pinned layer coupled to the antiferromagnetic layer, a nonmagnetic spacer layer coupled to the first pinned layer, a second pinned layer coupled to the spacer, a... | 04/12/2005 |
| 6870716 | Free layer and design for higher areal density A magnetic head having a first layer having a positive magnetostriction and a second layer coupled to the first layer. The second layer has a negative magnetostriction that counteracts at least a portion of the positive magnetostriction of the first layer so that th... | 03/22/2005 |
| 6867953 | Self-pinned in-stack bias structure with improved pinning A magnetic reading head having an air bearing surface (ABS) and including an antiparallel (AP) pinned layer structure and a bias layer spaced apart from the AP pinned layer structure, where a magnetic moment of the bias layer is pinned. A free layer is positioned be... | 03/15/2005 |
| 6862925 | Device for contacting and/or modifying a surface having a cantilever and a method for production of said cantilever A device for contacting and/or modifying a surface having a cantilever connected to an almost plane carrier element staying apart from said surface, said cantilever having a tip at its loose end being in close contact to said surface. It is proposed that the cantile... | 03/08/2005 |
| 6826076 | Non-volatile memory device MRAM has read word lines WLR and write word line WLW extending in the y direction, write/read bit line BLW/R and write bit line BLW extending in the x direction, and the memory cells MC disposed at the points of the intersection of these lines. The memory MC include... | 11/30/2004 |
| 6801376 | Method and apparatus for evaluating a head-disk interface condition for disk drives A method of evaluating a condition of a head-disk interface (HDI) of an operational disk drive. The disk drive includes at least one disk having a disk surface and at least one transducer head for writing and/or reading data from the disk surface. In this regard, th... | 10/05/2004 |
| 6788501 | GMR read head having a pinned layer with an active portion oxidized to reduce the magnetic moment thereof A magnetic head having a sensor with a free layer, a spacer layer coupled to the free layer, and a pinned layer coupled to the spacer layer. Each layer has an active portion defined between its end portions. Leads are coupled to the sensor, with each lead overlappin... | 09/07/2004 |
| 6788500 | System and method for pre-stressing a read head for improving performance thereof A system, method and computer program product provide an annealing process for setting a magnetization condition of a read head. An amount of heat for stabilizing magnetization condition of a read head is calculated. A width and amplitude of a voltage pulse that gen... | 09/07/2004 |
| 6777929 | Cross talk bit error rate testing of a magnetic head A process, computer program product, and apparatus for detecting and quantifying crosstalk instability in a read/write mechanism are provided. A write current is varied in a write circuit for exciting the write head. Measurements are taken of a magnetoresistive impe... | 08/17/2004 |
| 6760198 | Magnetic multilayered films with reduced magnetostriction It is the primary object of the present invention to provide a shield and pole material with reduced magnetostriction while preserving good magnetic characteristics. This material is used in recording heads in tape and disk drives. The material is a repeating sequen... | 07/06/2004 |
| 6756648 | System and method for stabilizing a magnetic tunnel junction sensor A magnetic tunnel junction (MTJ) sensor system and a method for fabricating the same are provided. First provided are a first lead layer, and a pinned layer. Positioned adjacent to pinned layer is a free layer. The magnetization direction of the pinned layer is subs... | 06/29/2004 |
| 6754021 | Shock resistant, high reliability rotating magnetic storage device A rotating storage apparatus is provided for high recording reliability in an environment in which a shock or vibration exists. Provided are means for outputting a shock out signal (SO) if an output from an acceleration sensor exceeds a predetermined threshold, a la... | 06/22/2004 |
| 6747852 | Magnetoresistance sensors with Pt-Mn transverse and longitudinal pinning layers and a decoupling insulation layer A magnetoresistance sensor structure is formed of a magnetoresistance sensor having a transverse biasing stack including a transverse pinning layer made of a transverse-pinning-layer antiferromagnetic material, and a transverse pinned layer structure overlying the t... | 06/08/2004 |
| 6744581 | Method for testing magnetic tape drive apparatus Each of data bands of a magnetic tape includes a plurality of wraps as data tracks. In the read/write test, a predetermined test length is set to every wrap and test patterns are written to the test length portion, and the patterns are read so as to verify whether o... | 06/01/2004 |
| 6738863 | Method for rebuilding meta-data in a data storage system and a data storage system A method for rebuilding meta-data stored in a data storage system (104) having storage devices (106) in which segments of data are located; for example, a storage system in the form of a log structured array. Data is written in segments to the storage ... | 05/18/2004 |
| 6722593 | Method and apparatus for recovering an elastomeric material A method for recovering elastomeric material such as rubber from tires comprising the steps of soaking the tires in a mixture of an oil and a volatile solvent to soften the rubber, subjecting the softened tires to shear conditions in a separator having at least two ... | 04/20/2004 |
| 6721146 | Magnetic recording GMR read back sensor and method of manufacturing A GMR magnetic sensor is described. The sensor uses one antiferromagnetic layer for stabilizing the pinned layer and another antiferromagnetic layer for providing magnetic bias stabilization of the free layer. Both antiferromagnetic layers are made of the same mater... | 04/13/2004 |
| 6714006 | Integrated field generator for actuating magnetic heads A structure is integrated into the design and manufacture of a magnetic head that allows self-generation of magnetic fields. The structure includes a conductor or conductors placed in close proximity to the read portion of a magnetic head and connected to an externa... | 03/30/2004 |
| 6700754 | Oxidized copper (Cu) spacer between free and pinned layer for high performance spin valve applications A spin valve sensor system and method for fabricating the same is provided. Included is a free layer and a pinned layer with a spacer layer disposed between the free layer and the pinned layer. Such spacer layer is oxidized for improving operational chara... | 03/02/2004 |
| 6700748 | Methods for creating ground paths for ILS In an Integrated Lead Suspension system, it is desired that the stainless steel suspension is grounded to a controlled ground potential. This requires creating a grounding path between the stainless steel suspension and a copper trace layer through a laye... | 03/02/2004 |
| 6700733 | Tape system with adjustable wrap angles and method for adjusting tape wrap angle A method for adjusting a tape wrap angle is described comprising the steps of operating the tape system to generate or regenerate an electrical signal in the head from the tape, either increasing or reducing the tape wrap angle as appropriate until a sign... | 03/02/2004 |
| 6697236 | System and method for an exchange stabilized AP-coupled free layer for MR heads A magnetoresistive read (MR) sensor system and a method for fabricating the same are provided. First provided are a spacer layer, and a first ferromagnetic layer positioned above the spacer layer. Also included is an antiparallel layer positioned above th... | 02/24/2004 |
| 6696226 | Simultaneous definition and direct transfer of a write head pole and coil for a magnetic read/write head A method of making a magnetic read/write head using a single lithographic step to define both a write coil and a pole tip structure. The use of a thin image resist layer over a hard reactive-ion etch mask and image transfer techniques allows very high res... | 02/24/2004 |
| 6680828 | Differential GMR head system and method using self-pinned layer A magnetoresistive read (MR) sensor system and a method for fabricating the same are provided. First provided are a first ferromagnetic layer, a first spacer layer positioned above the first ferromagnetic layer, and a second ferromagnetic layer positioned... | 01/20/2004 |
| 6667457 | System and method for a sacrificial anode in a kerf for corrosion protection during slider fabrication A slider fabrication assembly and method for making the same are provided. A slider is formed on a substrate. A corrodible component of the slider is exposed to an environment in contact with the slider. A kerf region of the substrate is positioned adjace... | 12/23/2003 |
| 6633903 | Method and article of manufacture for seamless integrated searching A search system (10) employing a scheme of meta-folders (14) in which conventional objects (18) and search objects (20) may be stored in an intermingling manner. Upon opening a meta-folder (14) the search objects (20) are resolved into conventional static... | 10/14/2003 |
