Patents by Inventor David Marcus Tung
David Marcus Tung 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: 10947148Abstract: An apparatus includes a beam splitter and a plurality of mirrors. The beam splitter is positioned to receive a laser beam from a source and split the received laser beam to a first plurality of split laser beams and a second plurality of split laser beams. The plurality of mirrors is configured to direct the first plurality of split laser beams and further configured to direct the second plurality of split laser beams. The first plurality of split laser beams is directed by the plurality of mirrors is configured to cut a glass substrate. The second plurality of split laser beams is directed by the plurality of mirrors is configured to shape the glass substrate.Type: GrantFiled: September 12, 2017Date of Patent: March 16, 2021Assignee: SEAGATE TECHNOLOGY LLCInventors: Joachim Walter Ahner, David Marcus Tung, Daniel T. Jennings, Robin Davies, Ian J. Beresford
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Patent number: 10766805Abstract: A method includes projecting energy onto an annular edge of a glass substrate. The annular edge includes a first roughness. The first roughness is reduced to a second roughness with the energy. The energy reduces the first roughness without changing a roundness of the annular edge of the glass substrate.Type: GrantFiled: October 24, 2017Date of Patent: September 8, 2020Assignee: SEAGATE TECHNOLOGY LLCInventors: Joachim Walter Ahner, David Marcus Tung, Daniel T. Jennings, Robin Davies, Ian J. Beresford
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Patent number: 10689286Abstract: A method includes cutting an outer diameter into a glass substrate. An inner diameter within the outer diameter is also cut into the glass substrate. A first region inside the outer diameter and a second region inside the inner diameter are heated. The second region inside the inner diameter is cooled, wherein the cooling causes the second region to detach from the first region.Type: GrantFiled: January 10, 2018Date of Patent: June 23, 2020Assignee: SEAGATE TECHNOLOGY LLCInventors: David Marcus Tung, Donald E. Curtiss, Henry Luis Lott, Valeriu Rusu, Mitchell Tomio Inouye, Gabriel V. Sapinoso, Joachim Walter Ahner
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Patent number: 10584961Abstract: A system includes a light source, a detector, and a processor. The light source is configured to emit light onto a target. The detector is configured to receive light interaction between the emitted light and the target. The processor is configured to receive the light interaction between the emitted light and the target and further configured to process the light interaction to determine an edge profile associated with the target.Type: GrantFiled: December 6, 2017Date of Patent: March 10, 2020Assignee: SEAGATE TECHNOLOGY LLCInventors: Travis William Grodt, Stephen Christopher Kekoa Hager, Henry Luis Lott, David Marcus Tung, Joachim Walter Ahner
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Patent number: 10388342Abstract: Provided herein is an apparatus including a three dimensional crystalline structure including a number of storage locations. The storage locations are arranged in three dimensions within the crystalline structure. A light source is configured to focus a first light with a first energy on one of the storage locations in order to alter a characteristic of the storage location. The light source is further able to focus a second light with a second light energy on the storage location without altering the characteristic. A detector is provided to detect the second light energy.Type: GrantFiled: September 27, 2016Date of Patent: August 20, 2019Assignee: Seagate Technology LLCInventors: Joachim Walter Ahner, David Marcus Tung
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Publication number: 20190128664Abstract: A system includes a light source, a detector, and a processor. The light source is configured to emit light onto a target. The detector is configured to receive light interaction between the emitted light and the target. The processor is configured to receive the light interaction between the emitted light and the target and further configured to process the light interaction to determine an edge profile associated with the target.Type: ApplicationFiled: December 6, 2017Publication date: May 2, 2019Inventors: Travis William GRODT, Stephen Christopher Kekoa HAGER, Henry Luis LOTT, David Marcus TUNG, Joachim Walter AHNER
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Publication number: 20190112215Abstract: A method includes cutting an outer diameter into a glass substrate. An inner diameter within the outer diameter is also cut into the glass substrate. A first region inside the outer diameter and a second region inside the inner diameter are heated. The second region inside the inner diameter is cooled, wherein the cooling causes the second region to detach from the first region.Type: ApplicationFiled: January 10, 2018Publication date: April 18, 2019Inventors: David Marcus TUNG, Donald E. CURTISS, Henry Luis LOTT, Valeriu RUSU, Mitchell Tomio INOUYE, Gabriel V. SAPINOSO, Joachim Walter AHNER
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Publication number: 20190039170Abstract: A method includes projecting energy onto an annular edge of a glass substrate. The annular edge includes a first roughness. The first roughness is reduced to a second roughness with the energy. The energy reduces the first roughness without changing a roundness of the annular edge of the glass substrate.Type: ApplicationFiled: October 24, 2017Publication date: February 7, 2019Inventors: Joachim Walter AHNER, David Marcus TUNG, Daniel T. JENNINGS, Robin DAVIES, Ian J. BERESFORD
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Publication number: 20190039941Abstract: A method includes projecting a first energy beam onto an annular edge of a glass substrate. A first portion of the annular edge of the glass substrate is removed with the first energy beam. Removing the first portion increases the roundness of the annular edge of the glass substrate. A second energy beam is projected onto the annular edge of the glass substrate. A second portion of the annular edge of the glass substrate is removed with the second energy beam. Removing the second portion increases the roundness of the annular edge of the glass substrate.Type: ApplicationFiled: October 10, 2017Publication date: February 7, 2019Inventors: Joachim Walter AHNER, David Marcus TUNG, Daniel T. JENNINGS, Robin DAVIES, Ian J. BERESFORD
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Publication number: 20190039173Abstract: An apparatus includes a beam splitter and a plurality of mirrors. The beam splitter is positioned to receive a laser beam from a source and split the received laser beam to a first plurality of split laser beams and a second plurality of split laser beams. The plurality of mirrors is configured to direct the first plurality of split laser beams and further configured to direct the second plurality of split laser beams. The first plurality of split laser beams is directed by the plurality of mirrors is configured to cut a glass substrate. The second plurality of split laser beams is directed by the plurality of mirrors is configured to shape the glass substrate.Type: ApplicationFiled: September 12, 2017Publication date: February 7, 2019Inventors: Joachim Walter AHNER, David Marcus TUNG, Daniel T. JENNINGS, Robin DAVIES, Ian J. BERESFORD
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Patent number: 10056146Abstract: The system includes a data storage medium comprising cells, an excitation circuit, and an emitter. The cells arranged in a three dimensional space. The excitation circuit excites each cell independently. Exciting a cell changes an optical property of the cell. The emitter emits a first beam onto a first cell during a first excitation period to orient electrical charges within the first cell to a first oriented value and intensity of electric field to a first intensity value. The emitter emits a second beam onto a second cell during a second excitation period to orient electrical charges within the second cell to a second oriented value and intensity of electric field to a second intensity value. The first and second cells maintain the first and the second oriented values and the first and second intensity values after the first and second excitation periods are over, respectively.Type: GrantFiled: January 25, 2017Date of Patent: August 21, 2018Assignee: Seagate Technology LLCInventors: Joachim Ahner, David Marcus Tung
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Patent number: 9997189Abstract: A system includes a data storage medium and a shockwave generator. The data storage medium includes cells and a plurality of layers. Each cell is configured to store information therein. At least two cells are arranged in a horizontal plane within a same layer of the plurality of layers of the data storage medium and at least two cells are arranged in a vertical plane in different layers of the plurality of layers of the data storage medium. The shockwave generator is configured to generate a shockwave signal that travels through a layer of the plurality of layers of the data storage medium. A target cell within the layer stores information responsive to a beam emitted from an emitter targeting the target cell as the shockwave signal is passing through the target cell. The target cell maintains the information after the shockwave signal exits through the target cell.Type: GrantFiled: January 25, 2017Date of Patent: June 12, 2018Assignee: Seagate Technology LLCInventors: Joachim Ahner, David Marcus Tung
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Patent number: 9984751Abstract: A system includes a data storage medium comprising layers, an excitation circuit, and an emitter. Each layer comprises cells arranged in a horizontal plane. Cells in different layers are arranged in a vertical plane of the data storage medium. The excitation circuit excites a layer during excitation period. Exciting the layer changes an optical property of the layer during the excitation period. The emitter emits a first and a second beam onto a first and a second cell of the layer being excited during the excitation period to orient electrical charges within the first and the second cell to a first and second oriented values and their intensity to a first and second intensity values respectively. The first and second cells maintain the first and second oriented values and the first and second intensity values after the excitation period is over or in absence of the layer being excited.Type: GrantFiled: January 25, 2017Date of Patent: May 29, 2018Assignee: Seagate Technology LLCInventors: Joachim Ahner, David Marcus Tung
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Publication number: 20180130531Abstract: A system includes a data storage medium and a shockwave generator. The data storage medium includes cells and a plurality of layers. Each cell is configured to store information therein. At least two cells are arranged in a horizontal plane within a same layer of the plurality of layers of the data storage medium and at least two cells are arranged in a vertical plane in different layers of the plurality of layers of the data storage medium. The shockwave generator is configured to generate a shockwave signal that travels through a layer of the plurality of layers of the data storage medium. A target cell within the layer stores information responsive to a beam emitted from an emitter targeting the target cell as the shockwave signal is passing through the target cell. The target cell maintains the information after the shockwave signal exits through the target cell.Type: ApplicationFiled: January 25, 2017Publication date: May 10, 2018Inventors: Joachim Ahner, David Marcus Tung
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Publication number: 20180130533Abstract: The system includes a data storage medium comprising cells, an excitation circuit, and an emitter. The cells arranged in a three dimensional space. The excitation circuit excites each cell independently. Exciting a cell changes an optical property of the cell. The emitter emits a first beam onto a first cell during a first excitation period to orient electrical charges within the first cell to a first oriented value and intensity of electric field to a first intensity value. The emitter emits a second beam onto a second cell during a second excitation period to orient electrical charges within the second cell to a second oriented value and intensity of electric field to a second intensity value. The first and second cells maintain the first and the second oriented values and the first and second intensity values after the first and second excitation periods are over, respectively.Type: ApplicationFiled: January 25, 2017Publication date: May 10, 2018Inventors: Joachim Ahner, David Marcus Tung
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Publication number: 20180130532Abstract: A system includes a data storage medium comprising layers, an excitation circuit, and an emitter. Each layer comprises cells arranged in a horizontal plane. Cells in different layers are arranged in a vertical plane of the data storage medium. The excitation circuit excites a layer during excitation period. Exciting the layer changes an optical property of the layer during the excitation period. The emitter emits a first and a second beam onto a first and a second cell of the layer being excited during the excitation period to orient electrical charges within the first and the second cell to a first and second oriented values and their intensity to a first and second intensity values respectively. The first and second cells maintain the first and second oriented values and the first and second intensity values after the excitation period is over or in absence of the layer being excited.Type: ApplicationFiled: January 25, 2017Publication date: May 10, 2018Inventors: Joachim Ahner, David Marcus Tung
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Publication number: 20180090164Abstract: Provided herein is an apparatus including a three dimensional crystalline structure including a number of storage locations. The storage locations are arranged in three dimensions within the crystalline structure. A light source is configured to focus a first light with a first energy on one of the storage locations in order to alter a characteristic of the storage location. The light source is further able to focus a second light with a second light energy on the storage location without altering the characteristic. A detector is provided to detect the second light energy.Type: ApplicationFiled: September 27, 2016Publication date: March 29, 2018Inventors: Joachim Walter Ahner, David Marcus Tung
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Patent number: 9869639Abstract: Provided herein is an apparatus including a photon emitter array. The photon emitter array includes a number of photon emitters selectively oriented in a number of polarized orientations. The photon emitters are configured to controllably emit photons onto a surface of an article. The apparatus also includes a photon detector positioned to receive photons scattered from features on the surface of the article. The photon detector simultaneously receives photons oriented in the number of polarized orientations. In addition, the photon detector provides information for mapping the features on the surface of the article.Type: GrantFiled: November 30, 2016Date of Patent: January 16, 2018Assignee: Seagate Technology LLCInventors: Joachim Walter Ahner, David Marcus Tung
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Patent number: 9792945Abstract: An apparatus includes a first storage cell with an electrical property. The first storage cell is configured to change the electrical property in response to a first light energy, and to maintain the change to the electrical property. The first storage cell is also configured to alter the change to the electrical property in response to a second light energy, and to maintain the alteration to the change to the electrical property. A second storage cell disposed over the first storage cell in a vertical plane of the first storage cell. A third storage cell disposed adjacent to the first storage cell in a horizontal plane of the first storage cell.Type: GrantFiled: November 7, 2016Date of Patent: October 17, 2017Assignee: Seagate Technology LLCInventors: Joachim Ahner, David Marcus Tung
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Publication number: 20170082553Abstract: Provided herein is an apparatus including a photon emitter array. The photon emitter array includes a number of photon emitters selectively oriented in a number of polarized orientations. The photon emitters are configured to controllably emit photons onto a surface of an article. The apparatus also includes a photon detector positioned to receive photons scattered from features on the surface of the article. The photon detector simultaneously receives photons oriented in the number of polarized orientations. In addition, the photon detector provides information for mapping the features on the surface of the article.Type: ApplicationFiled: November 30, 2016Publication date: March 23, 2017Inventors: Joachim Walter Ahner, David Marcus Tung