Patents by Inventor Michael J. Stirniman
Michael J. Stirniman 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).
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Patent number: 9984714Abstract: An apparatus including a heat sink layer and a magnetic recording layer over the heat sink layer. In addition, a thermochromic layer is over the heat sink layer, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.Type: GrantFiled: July 12, 2017Date of Patent: May 29, 2018Assignee: Seagate Technology LLCInventors: Paul M. Jones, Timothy J. Klemmer, Ruoxi Yang, Martin Giles Blaber, Xiaoding Ma, ZhaoHui Fan, Michael J. Stirniman, Yang Yang, XiaoPing Yan, Fujian Huang, Emil John Catoc Esmenda, Emir R. Kazazic, Florin Zavaliche, Hongbo Wang, Huan H. Tang, Kyoumarss Damavandi
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Publication number: 20170316800Abstract: An apparatus including a heat sink layer and a magnetic recording layer over the heat sink layer. In addition, a thermochromic layer is over the heat sink layer, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.Type: ApplicationFiled: July 12, 2017Publication date: November 2, 2017Inventors: Paul M. JONES, Timothy J. KLEMMER, Ruoxi YANG, Martin Giles BLABER, Xiaoding MA, ZhaoHui FAN, Michael J. STIRNIMAN, Yang YANG, XiaoPing YAN, Fujian HUANG, Emil John Catoc ESMENDA, Emir R. KAZAZIC, Florin ZAVALICHE, Hongbo WANG, Huan H. TANG, Kyoumarss DAMAVANDI
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Patent number: 9734856Abstract: Provided herein is an apparatus including a substrate and a magnetic recording layer over the substrate. In addition, a thermochromic layer is over the substrate, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.Type: GrantFiled: June 30, 2016Date of Patent: August 15, 2017Assignee: Seagate Technology LLCInventors: Paul M. Jones, Timothy J. Klemmer, Ruoxi Yang, Martin Giles Blaber, Xiaoding Ma, ZhaoHui Z. Fan, Michael J. Stirniman, Yang Yang, XiaoPing Yan, Fujian Huang, Emil John C. Esmenda, Emir R. Kazazic, Florin Zavaliche, Hongbo Wang, Huan H. Tang, Kyoumarss Damavandi
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Publication number: 20170069345Abstract: Methods of forming a magnetic storage disc, the method including depositing a carbon containing material on a magnetic recording layer to form a carbon containing layer, wherein the carbon containing layer is deposited using chemical vapor deposition, ion beam deposition, or filtered cathodic arc deposition; treating the carbon containing layer with a source of oxygen to form an oxygen layer; and depositing a lubricant on the oxygen layer.Type: ApplicationFiled: September 9, 2015Publication date: March 9, 2017Inventors: Michael J. Stirniman, Xiaoding Ma, Paul M. Jones, Hamid R. Samani, Tommy T. Cheung, Christopher L. Platt, Qian Guo, Yang Yang
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Publication number: 20170025139Abstract: Provided herein is an apparatus including a substrate and a magnetic recording layer over the substrate. In addition, a thermochromic layer is over the substrate, wherein the thermochromic layer includes a first optical absorbance at a first temperature and a second optical absorbance at a second temperature.Type: ApplicationFiled: June 30, 2016Publication date: January 26, 2017Inventors: Paul M. Jones, Timothy J. Klemmer, Ruoxi Yang, Martin Giles Blaber, Xiaoding Ma, ZhaoHui Z. Fan, Michael J. Stirniman, Yang Yang, XiaoPing Yan, Fujian Huang, Emil John C. Esmenda, Emir R. Kazazic, Florin Zavaliche, Hongbo Wang, Huan H. Tang, Kyoumarss Damavandi
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Patent number: 9040125Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: GrantFiled: July 24, 2013Date of Patent: May 26, 2015Assignee: Seagate Technology LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Publication number: 20130337194Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: ApplicationFiled: July 24, 2013Publication date: December 19, 2013Applicant: SEAGATE TECHNOLOGY LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Patent number: 8609184Abstract: A system and method for corrosion problems in magnetic media resulting from moisture penetrating through the carbon layer into the magnetic layer by diffusion or other methods are overcome by processing the carbon overcoat to stop and/or inhibit the moisture penetration. The process involves removing moisture channels from protective overcoats of thin film magnetic media by irradiating the protective overcoat with ultraviolet (UV) radiation in an inert hydrophobic chemical environment. Afterwards, the thin film magnetic media can be removed into ambient atmosphere where it is coated with a lubricant.Type: GrantFiled: June 12, 2007Date of Patent: December 17, 2013Assignee: Seagate Technology LLCInventors: Jianwei Liu, Michael J. Stirniman, Li-Peng Wang
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Patent number: 8518563Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: GrantFiled: February 23, 2010Date of Patent: August 27, 2013Assignee: Seagate Technology LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Patent number: 8389067Abstract: Disclosed herein are methods that include inserting a magnetic media into an enclosure and using a non-thermal physical vapor deposition process to deposit a lubricant onto the magnetic media within the enclosure. Also disclosed are methods that include loading a magnetic media that includes a tribological coating into an enclosure and using an electrospray ionization process to deposit a lubricant onto the magnetic media within a vacuum created by the enclosure.Type: GrantFiled: September 4, 2009Date of Patent: March 5, 2013Assignee: Seagate Technology LLCInventor: Michael J. Stirniman
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Patent number: 8313848Abstract: A perpendicular magnetic recording medium having a substrate, a Cr-doped Fe-alloy-containing underlayer containing about 8 to 18 at % Cr and a perpendicular recording magnetic layer, and a process for improving corrosion resistance of the recording medium and for manufacturing the recording medium are disclosed.Type: GrantFiled: August 15, 2011Date of Patent: November 20, 2012Assignee: Seagate Technology LLCInventors: Raj Nagappan Thangaraj, Mariana Rodica Munteanu, Erol Girt, Michael J. Stirniman, Thomas Patrick Nolan
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Publication number: 20120070694Abstract: A perpendicular magnetic recording medium having a substrate, a Cr-doped Fe-alloy-containing underlayer containing about 8 to 18 at % Cr and a perpendicular recording magnetic layer, and a process for improving corrosion resistance of the recording medium and for manufacturing the recording medium are disclosed.Type: ApplicationFiled: August 15, 2011Publication date: March 22, 2012Applicant: SEAGATE TECHNOLOGY LLCInventors: Raj Nagappan Thangaraj, Mariana Rodica Munteanu, Erol Girt, Michael J. Stirniman, Thomas Patrick Nolan
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Publication number: 20110262633Abstract: A method, in one embodiment, can include pumping a gas into a reservoir that includes a lubricant. In addition, the method can include changing the gas into a supercritical fluid that extracts lubricant molecules from the lubricant resulting in a mixture of the supercritical fluid and the lubricant molecules. Furthermore, the method can include utilizing the mixture to deposit a lubricant molecule onto a magnetic media.Type: ApplicationFiled: April 27, 2010Publication date: October 27, 2011Applicant: SEAGATE TECHNOLOGY LLCInventors: Jiping Yang, Michael J. Stirniman, Xiaoding Ma, Yiao-Tee Hsia
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Publication number: 20110205665Abstract: A magnetic data storage medium may include a substrate, a magnetic recording layer, a protective carbon overcoat, and a monolayer covalently bound to carbon atoms adjacent a surface of the protective carbon overcoat. According to this aspect of the disclosure, the monolayer comprises at least one of hydrogen, fluorine, nitrogen, oxygen, and a fluoro-organic molecule. In some embodiments, a surface of a read and recording head may also include a monolayer covalently bound to carbon atoms of a protective carbon overcoat.Type: ApplicationFiled: February 23, 2010Publication date: August 25, 2011Applicant: Seagate Technology LLCInventors: Paul M. Jones, Xiaoping Yan, Lei Li, James Dillon Kiely, Christopher Loren Platt, Michael J. Stirniman, Jiping Yang, Yiao-Tee Hsia
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Patent number: 7998606Abstract: A perpendicular magnetic recording medium having a substrate, a Cr-doped Fe-alloy-containing underlayer containing about 8 to 18 at % Cr and a perpendicular recording magnetic layer, and a process for improving corrosion resistance of the recording medium and for manufacturing the recording medium are disclosed.Type: GrantFiled: July 27, 2009Date of Patent: August 16, 2011Assignee: Seagate Technology LLCInventors: Raj Nagappan Thangaraj, Mariana Rodica Munteanu, Erol Girt, Michael J. Stirniman, Thomas Patrick Nolan
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Publication number: 20110059260Abstract: A method, in one embodiment, can include inserting a magnetic media into an enclosure. Furthermore, the method can include using a non-thermal physical vapor deposition process to deposit a lubricant onto the magnetic media within the enclosure.Type: ApplicationFiled: September 4, 2009Publication date: March 10, 2011Applicant: SEAGATE TECHNOLOGY LLCInventor: Michael J. Stirniman
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Publication number: 20100081012Abstract: A perpendicular magnetic recording medium having a substrate, a Cr-doped Fe-alloy-containing underlayer containing about 8 to 18 at % Cr and a perpendicular recording magnetic layer, and a process for improving corrosion resistance of the recording medium and for manufacturing the recording medium are disclosed.Type: ApplicationFiled: July 27, 2009Publication date: April 1, 2010Applicant: Seagate Technology LLCInventors: Raj Nagappan Thangaraj, Mariana Rodica Munteanu, Erol Girt, Michael J. Stirniman, Thomas Patrick Nolan
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Publication number: 20090324147Abstract: A system and method are provided for reduced power consumption and reduced wear in a spindle motor. The spindle motor includes a fluid dynamic bearing containing gas defined between a stationary component and a rotatable component. A liquid layer is coated on at least a portion of at least one of the rotatable component surface and the stationary component surface. The liquid layer is formed from a liquid having a predetermined concentration, and formed having a predetermined thickness. The predetermined thickness is accomplished utilizing at least one of a predetermined dwell time, withdraw velocity and bearing surface roughness. In an aspect, the liquid layer is formed with an increased thickness by at least one of increasing the liquid concentration, increasing the dwell time, and increasing the withdraw velocity. In an aspect, a method is provided to obtain thin liquid film thicknesses ranging from about 5 nm to about 350 nm.Type: ApplicationFiled: June 26, 2008Publication date: December 31, 2009Inventors: Raquib U. Khan, Michael J. Stirniman
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Publication number: 20080316651Abstract: A perfluoropolyether hard disk lubricant having a UV curable functional end group that may be UV cured at a rapid rate with a Xenon excimer lamp. The perfluoropolyether preferably has at least one UV curable functional end group. In one embodiment, the UV curable end group comprises an acrylate.Type: ApplicationFiled: September 5, 2008Publication date: December 25, 2008Applicant: SEAGATE TECHNOLOGY LLCInventors: Jianwei Liu, Michael J. Stirniman, Jing Gui
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Publication number: 20080075854Abstract: The embodiments of the invention relate to a lubrication system and a lubrication method, wherein the system contains pre-lubrication chamber for pre-treating a surface of a magnetic recording medium prior to deposition of a lubricant and a deposition chamber having an inlet for deposition of the lubricant on the surface of the magnetic recording medium in the deposition chamber, wherein the lubrication system is a stand alone lubrication system that is seperate from a magnetic layer deposition system for depositing a magnetic layer of the magnetic recording medium.Type: ApplicationFiled: September 27, 2006Publication date: March 27, 2008Applicant: SEAGATE TECHNOLOGY LLCInventors: Michael J. Stirniman, Xiaoding Ma, Jing Gui