Patents by Inventor Jorge V. Hanchi

Jorge V. Hanchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6747847
    Abstract: A slider is used for supporting a transducing head proximate a rotating disc. The slider includes a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges. The slider body has a longitudinal axis. An air bearing surface is defined on the disc opposing face and the air bearing surface has a pad proximate the trailing edge. A trench is positioned adjacent to the pad with the trench being recessed from the air bearing surface at a step depth. A channel for flushing lubricant from the disc opposing face is positioned on the pad. The channel is recessed from the air bearing surface at a channel depth.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: June 8, 2004
    Assignee: Seagate Technology LLC
    Inventors: Timothy W. Stoebe, Anthony P. Sannino, Jorge V. Hanchi, Scott E. Ryun
  • Patent number: 6654206
    Abstract: A slider having contact protection for ultra-low fly heights. The contact protection includes contact pads having an ultra-low height dimension to reduce friction and damage for intermittent contact for ultra-low fly height applications.
    Type: Grant
    Filed: July 13, 2001
    Date of Patent: November 25, 2003
    Assignee: Seagate Technology LLC
    Inventors: Mary Cynthia Hipwell, Jason W. Riddering, Jorge V. Hanchi, Anthony P. Sannino, Zine-Eddine Boutaghou
  • Publication number: 20030184916
    Abstract: A head for a data storage device including a textured close point or transition region having a suitable wear rate to provide a self-adjusting fly height interface. The textured transition enables transition to a fly regime of operation for a contact regime slider to limit head crash or loss.
    Type: Application
    Filed: August 23, 2002
    Publication date: October 2, 2003
    Inventors: Jorge V. Hanchi, Zine-Eddine Boutaghou
  • Patent number: 6603639
    Abstract: A disc storage system includes a rotating disc and a transducer. The transducer is carried on a slider which is supported by an armature. The armature is used to move the slider radially across the disc surface whereby information may be read from or written to the disc surface of the transducer. The slider includes an air bearing surface which faces the disc surface. As the disc rotates, the air bearing surface causes the slider to “fly” over the disc surface. Pads are provided on the air bearing surface to improve operational characteristics of the system. For example, the pads may be used to reduce the stiction or improve flying characteristics. Flying instabilities associated with the pads are addressed by a number of characteristics provided to the air bearing surface.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: August 5, 2003
    Assignee: Seagate Technology LLC
    Inventors: Andreas A. Polycarpou, Zine-Eddine Boutaghou, Daniel P. Burbank, Jing Gui, Jorge V. Hanchi, Lance E. Stover, Scott E. Ryun
  • Publication number: 20030137773
    Abstract: A disc storage system includes a rotating disc and a transducer. The transducer is carried on a slider which is supported by an armature. The armature is used to move the slider radially across the disc surface whereby information may be read from or written to the disc surface of the transducer. The slider includes an air bearing surface which faces the disc surface. As the disc rotates, the air bearing surface causes the slider to “fly” over the disc surface. Pads are provided on the air bearing surface to improve operational characteristics of the system. For example, the pads may be used to reduce the stiction or improve flying characteristics. Flying instabilities associated with the pads are addressed by a number of characteristics provided to the air bearing surface.
    Type: Application
    Filed: July 20, 1999
    Publication date: July 24, 2003
    Inventors: ANDREAS A. POLYCARPOU, ZINE-EDDINE BOUTAGHOU, DANIEL P. BURBANK, JING GUI, JORGE V. HANCHI, LANCE E. STOVER, SCOTT E. RYUN
  • Patent number: 6536265
    Abstract: The present invention includes the realization that air bearing surface (ABS) microtexturing (i.e., the production of well-defined texture patterns on an ABS) affords an effective method to control the size of the apparent area of contact during head-to-disc frictional interaction, and thus provides a method to effectively prevent excessive friction force build-up which can lead to catastrophic tribological failure (head crash) during the glide characterization of super-smooth media for high areal density (for example greater than 20 Gb/in2) head-to-disc interfaces (ADIs).
    Type: Grant
    Filed: November 17, 2000
    Date of Patent: March 25, 2003
    Assignee: Seagate Technology LLC
    Inventors: Jorge V. Hanchi, Zine-Eddine Boutaghou, Peter R. Segar
  • Patent number: 6529347
    Abstract: A disc drive slider includes a slider body and a rail formed on the slider body. The rail includes a bearing surface which faces a surface of a disc. A textured portion is formed on the bearing surface of the rail. Pads are deposited on the textured portions. The pads operate to reduce stiction, dynamic friction, and the likelihood of damage to the slider or the surface of the disc due to contact therebetween.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: March 4, 2003
    Assignee: Seagate Technology LLC
    Inventors: Mary C. Hipwell, Jason W. Riddering, Jorge V. Hanchi, Lance E. Stover, Timothy W. Stoebe, Brian W. Karr, Jianxin Zhu
  • Patent number: 6515831
    Abstract: A disc head slider includes a leading slider edge, a cavity dam, a subambient pressure cavity, which trails the cavity dam and has a cavity floor, and first and second rails disposed about the subambient pressure cavity. Each rail has leading and trailing bearing surfaces and a recessed surface extending between the leading and trailing bearing surfaces, which is recessed from the bearing surfaces and raised from the cavity floor, across the rail width. Recessed leading channels are positioned near the leading slider edge and have a leading channel end open to fluid flow from the leading slider edge, non-divergent channel side walls, and a trailing channel end closed to the fluid flow. A trailing channel is recessed within each of the trailing bearing surfaces and has a leading channel end open to fluid flow from the respective recessed surface, non-divergent channel side walls, and a trailing channel end closed to the fluid flow.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: February 4, 2003
    Assignee: Seagate Technology LLC
    Inventors: Anthony P. Sannino, Jorge V. Hanchi, Zine-Eddine Boutaghou
  • Patent number: 6462909
    Abstract: A disc head slider for supporting a transducer relative to a data storage disc includes a slider body having a disc-facing surface with a leading slider edge and a trailing slider edge. First and second rails are disposed on the disc-facing surface about a central recess and form first and second bearing surfaces, respectively, which terminate prior to the trailing slider edge. First and second wear-resistant pads are formed on the disc-facing surface between respective ones of the first and second bearing surfaces and the trailing slider edge. The first and second wear-resistant pads are raised from the central recess and are recessed from the first and second bearing surfaces to provide transitions in the disc-facing surface that generate vibration-dampening pressure gradients while limiting contact between the pads and the data storage disc during operation.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: October 8, 2002
    Assignee: Seagate Technology LLC
    Inventors: Zine-Eddine Boutaghou, Anthony P. Sannino, Jorge V. Hanchi
  • Publication number: 20020089790
    Abstract: A slider is used for supporting a transducing head proximate a rotating disc. The slider includes a slider body having a disc opposing face bounded by a leading edge, a trailing edge, and first and second side edges. The slider body has a longitudinal axis. An air bearing surface is defined on the disc opposing face and the air bearing surface has a pad proximate the trailing edge. A trench is positioned adjacent to the pad with the trench being recessed from the air bearing surface at a step depth. A channel for flushing lubricant from the disc opposing face is positioned on the pad. The channel is recessed from the air bearing surface at a channel depth.
    Type: Application
    Filed: January 9, 2002
    Publication date: July 11, 2002
    Applicant: Seagate Technology LLC
    Inventors: Timothy W. Stoebe, Anthony P. Sannino, Jorge V. Hanchi, Scott E. Ryun
  • Publication number: 20020060982
    Abstract: A disc drive slider includes a slider body and a rail formed on the slider body. The rail includes a bearing surface which faces a surface of a disc. A textured portion is formed on the bearing surface of the rail. Pads are deposited on the textured portions. The pads operate to reduce stiction, dynamic friction, and the likelihood of damage to the slider or the surface of the disc due to contact therebetween.
    Type: Application
    Filed: August 24, 2001
    Publication date: May 23, 2002
    Inventors: Mary C. Hipwell, Jason W. Riddering, Jorge V. Hanchi, Lance E. Stover, Timothy W. Stoebe, Brian W. Karr, Jianxin Zhu
  • Publication number: 20020044384
    Abstract: A slider having contact protection for ultra-low fly heights. The contact protection includes contact pads having an ultra-low height dimension to reduce friction and damage for intermittent contact for ultra-low fly height applications.
    Type: Application
    Filed: July 13, 2001
    Publication date: April 18, 2002
    Inventors: Mary Cynthia Hipwell, Jason W. Riddering, Jorge V. Hanchi, Anthony P. Sannino, Zine-Eddine Boutaghou
  • Patent number: 6229671
    Abstract: A data storage system including a disc for storing digital information and transducer for retrieving such information. A slider supports a transducers proximate the disc surface and includes a bearing surface generally facing the disc surface for operation of the transducer above the disc surface. The bearing includes raised bearing surfaces, and shock-absorbing pads which are spaced from a base surface and extend to an elevation aligned with or below the bearing surfaces. Shock pads are located to provide a contact interface between the slider and disc surface.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: May 8, 2001
    Assignee: Seagate Technology LLC
    Inventors: Zine-Eddine Boutaghou, Dallas Meyer, Jorge V. Hanchi, Joel Limmer