Patents by Inventor Mark Henry Ostrowski

Mark Henry Ostrowski 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: 9437221
    Abstract: A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer, depositing a cladding layer on the etch stop layer, and milling the cladding layer at a sloped angle such that the milling stops at the etch stop layer.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: September 6, 2016
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Lien Lee, Yongjun Zhao, Lijuan Zou, Mark Henry Ostrowski
  • Publication number: 20150371669
    Abstract: A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer, depositing a cladding layer on the etch stop layer, and milling the cladding layer at a sloped angle such that the milling stops at the etch stop layer.
    Type: Application
    Filed: August 31, 2015
    Publication date: December 24, 2015
    Inventors: Lien Lee, Yongjun Zhao, Lijuan Zou, Mark Henry Ostrowski
  • Patent number: 9142231
    Abstract: A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer, depositing a cladding layer on the etch stop layer, and milling the cladding layer at a sloped angle such that the milling stops at the etch stop layer.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 22, 2015
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Yongjun Zhao, Lien Lee, Lijuan Zou, Mark Henry Ostrowski
  • Patent number: 8934198
    Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer comprising silver (Ag) and at least one other element or compound; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes: rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof; titanium (Ti) or an alloy thereof; tantalum (Ta) or an alloy thereof; tungsten (W) or an alloy thereof; borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: January 13, 2015
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Vankateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Patent number: 8842391
    Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer including an electrically conductive nitride; a first magnetic pole; and a heat sink, a diffusion barrier layer, or both positioned between the first magnetic pole and the near field transducer, wherein the heat sink, the diffusion barrier or both include rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof titanium (Ti) or an alloy thereof tantalum (Ta) or an alloy thereof tungsten (W) or an alloy thereof borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: September 23, 2014
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20140254339
    Abstract: A method of making a transducer head disclosed herein includes depositing a spacer layer on an NFT layer of the transducer head, forming an etch stop layer on a spacer layer of a transducer, depositing a cladding layer on the etch stop layer, and milling the cladding layer at a sloped angle such that the milling stops at the etch stop layer.
    Type: Application
    Filed: March 11, 2013
    Publication date: September 11, 2014
    Inventors: Yongjun Zhao, Lien Lee, Lijuan Zou, Mark Henry Ostrowski
  • Patent number: 8670215
    Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.
    Type: Grant
    Filed: June 27, 2013
    Date of Patent: March 11, 2014
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20140050058
    Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer including an electrically conductive nitride; a first magnetic pole; and a heat sink, a diffusion barrier layer, or both positioned between the first magnetic pole and the near field transducer, wherein the heat sink, the diffusion barrier or both include rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof titanium (Ti) or an alloy thereof tantalum (Ta) or an alloy thereof tungsten (W) or an alloy thereof borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20140050057
    Abstract: An apparatus including a near field transducer positioned adjacent to an air bearing surface, the near field transducer comprising silver (Ag) and at least one other element or compound; a first magnetic pole; and a heat sink positioned between the first magnetic pole and the near field transducer, wherein the heat sink includes: rhodium (Rh) or an alloy thereof; ruthenium (Ru) or an alloy thereof; titanium (Ti) or an alloy thereof; tantalum (Ta) or an alloy thereof; tungsten (W) or an alloy thereof; borides; nitrides; transition metal oxides; or palladium (Pd) or an alloy thereof.
    Type: Application
    Filed: October 24, 2013
    Publication date: February 20, 2014
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20130343167
    Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.
    Type: Application
    Filed: June 27, 2013
    Publication date: December 26, 2013
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Patent number: 8576673
    Abstract: An apparatus includes a waveguide having a core layer, a near field transducer having an end positioned adjacent to a first surface, a first magnetic pole having an end positioned adjacent to the first surface, and a side lobe blocker adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the first surface.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: November 5, 2013
    Assignee: Seagate Technology LLC
    Inventors: Mark Henry Ostrowski, Jie Zou, Amit Itagi, Kaizhong Gao
  • Patent number: 8514671
    Abstract: A slider may have a first surface on an air bearing surface (ABS) and a laser recess formed in a second surface of the slider, opposite the first surface. A laser can then be positioned in the laser recess with the laser extending from the slider to a top plane. A stud may be formed adjacent to and separated from the laser on the second surface of the slider with the stud extending from the second surface of the slider to the top plane.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: August 20, 2013
    Assignee: Seagate Technology LLC
    Inventors: Yongjun Zhao, Mike Allen Seigler, Mark Henry Ostrowski
  • Patent number: 8477454
    Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: July 2, 2013
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20130100783
    Abstract: An apparatus includes a waveguide having a core layer, a near field transducer having an end positioned adjacent to a first surface, a first magnetic pole having an end positioned adjacent to the first surface, and a side lobe blocker adjacent to the first surface and having portions on opposite sides of the first magnetic pole and the near field transducer, wherein the side lobe blocker forms an aperture at an end of the core layer adjacent to the first surface.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 25, 2013
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Mark Henry Ostrowski, Jie Zou, Amit Itagi, Kaizhong Gao
  • Publication number: 20130028060
    Abstract: A slider may have a first surface on an air bearing surface (ABS) and a laser recess formed in a second surface of the slider, opposite the first surface. A laser can then be positioned in the laser recess with the laser extending from the slider to a top plane. A stud may be formed adjacent to and separated from the laser on the second surface of the slider with the stud extending from the second surface of the slider to the top plane.
    Type: Application
    Filed: July 29, 2011
    Publication date: January 31, 2013
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Yongjun Zhao, Mike Allen Seigler, Mark Henry Ostrowski
  • Patent number: 8339740
    Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: December 25, 2012
    Assignee: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Patent number: 8318030
    Abstract: A method of fabricating a magnetic device is described. A mask removing layer is formed on a layered sensing stack and a hard mask layer is formed on the mask removing layer. A first reactive ion etch is performed with a non-oxygen-based chemistry to define the hard mask layer using an imaged layer formed on the hard mask layer as a mask. A second reactive ion etch is performed with an oxygen-based chemistry to define the mask removing stop layer using the defined hard mask layer as a mask. A third reactive ion etch is performed to define the layered sensing stack using the hard mask layer as a mask. The third reactive ion etch includes an etching chemistry that performs at a lower etching rate on the hard mask layer than on the layered sensing stack.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: November 27, 2012
    Assignee: Seagate Technology LLC
    Inventors: Xilin Peng, Stacey C. Wakeham, Yifan Zhang, Zhongyan Wang, Konstantin R. Nikolaev, Mark Henry Ostrowski, Yonghua Chen, Juren Ding
  • Publication number: 20120045662
    Abstract: An apparatus includes a near field transducer positioned adjacent to an air bearing surface, a first magnetic pole, a heat sink positioned between the first magnetic pole and the near field transducer, and a diffusion barrier positioned between the near field transducer and the first magnetic pole. The diffusion barrier can be positioned adjacent to the magnetic pole or the near field transducer.
    Type: Application
    Filed: February 23, 2011
    Publication date: February 23, 2012
    Applicant: Seagate Technology LLC
    Inventors: Jie Zou, Kaizhong Gao, William Albert Challener, Mark Henry Ostrowski, Venkateswara Rao Inturi, Tong Zhao, Michael Christopher Kautzky
  • Publication number: 20110006033
    Abstract: A method of fabricating a magnetic device is described. A mask removing layer is formed on a layered sensing stack and a hard mask layer is formed on the mask removing layer. A first reactive ion etch is performed with a non-oxygen-based chemistry to define the hard mask layer using an imaged layer formed on the hard mask layer as a mask. A second reactive ion etch is performed with an oxygen-based chemistry to define the mask removing stop layer using the defined hard mask layer as a mask. A third reactive ion etch is performed to define the layered sensing stack using the hard mask layer as a mask. The third reactive ion etch includes an etching chemistry that performs at a lower etching rate on the hard mask layer than on the layered sensing stack.
    Type: Application
    Filed: July 13, 2009
    Publication date: January 13, 2011
    Applicant: SEAGATE TECHNOLOGY LLC
    Inventors: Xilin Peng, Stacey Wakeham, Yifan Zhang, Zhongyan Wang, Konstantin Nikolaev, Mark Henry Ostrowski, Yonghua Chen, Juren Ding