Patents by Inventor Brian Monroe McMaster
Brian Monroe McMaster 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: 12078936Abstract: A magnification adjustable projection system is provided that includes an imaging system having an object or image space, a first deformable lens plate located within the object or image space for contributing a first magnification power to the imaging system as a function of an amount of curvature of the first deformable lens plate, and a second deformable lens plate located within the object or image space for contributing a second magnification power to the imaging system as a function of an amount of curvature of the second deformable lens plate. The projection system also has first and second bending apparatuses that adjust the curvature of the first and second deformable lens plate through a range of curvature variation for adjusting the magnification power of the imaging system.Type: GrantFiled: August 29, 2022Date of Patent: September 3, 2024Assignee: CORNING INCORPORATEDInventors: Robert Dennis Grejda, Brian Monroe McMaster, Paul Francis Michaloski
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Publication number: 20240151929Abstract: A method of connecting an optical element to a mount, the method including attaching a connector to an optical element with a first solder and heating the first solder with an ultrasonic heater to form a first soldering bond between the connector and the optical element, aligning the optical element within an inner opening of a mount, and attaching the connector to the mount with a second bond, wherein the first soldering bond is a polymer-free bond.Type: ApplicationFiled: October 12, 2023Publication date: May 9, 2024Inventor: Brian Monroe McMaster
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Publication number: 20240111117Abstract: An alignment apparatus for aligning components of an optical assembly include a chuck configured to support the optical assembly thereon, and an adjustable flexure assembly disposed around the chuck. The adjustable flexure assembly includes a plurality of flexures. The plurality of flexures are positioned relative to the chuck such that each of the plurality of flexures contact the optical assembly when the optical assembly is positioned on the chuck.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Robert Dennis Grejda, Kevin John Magierski, Brian Monroe McMaster, Todd Robert McMichael
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Patent number: 11886031Abstract: An alignment apparatus for aligning components of an optical assembly include a chuck configured to support the optical assembly thereon, and an adjustable flexure assembly disposed around the chuck. The adjustable flexure assembly includes a plurality of flexures. The plurality of flexures are positioned relative to the chuck such that each of the plurality of flexures contact the optical assembly when the optical assembly is positioned on the chuck. Adjustment of a position of one or more flexures of the plurality of flexures adjusts an alignment of an optical axis of an optical component of the optical assembly when the optical assembly is positioned on the chuck, wherein the alignment apparatus is configured to align optical axes of the optical component to an angle of deviation of less than about 1,000 ?rad and provide an extinction ratio within the optical assembly of greater than or equal to 1000:1.Type: GrantFiled: July 29, 2020Date of Patent: January 30, 2024Assignee: Corning IncorporatedInventors: Robert Dennis Grejda, Kevin John Magierski, Brian Monroe McMaster, Todd Robert McMichael
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Publication number: 20230393366Abstract: An assembly for fixing an optical element in a manner that decouples the optical element from mechanical stresses and thermal strains while providing freedom to facilitate alignment of the optical element, and while also eliminating polymers that can cause contamination problems including a mount configured for attachment to an optical system; a plurality of flexible metal members, each flexible member having a first end affixed to or integrally extending from the mount, and a free end defining a bearing surface for supporting an optical element; and an inorganic adhesive joining a surface of the optical member to the bearing surface.Type: ApplicationFiled: August 24, 2023Publication date: December 7, 2023Inventor: Brian Monroe McMaster
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Publication number: 20230077090Abstract: A magnification adjustable projection system is provided that includes an imaging system having an object or image space, a first deformable lens plate located within the object or image space for contributing a first magnification power to the imaging system as a function of an amount of curvature of the first deformable lens plate, and a second deformable lens plate located within the object or image space for contributing a second magnification power to the imaging system as a function of an amount of curvature of the second deformable lens plate. The projection system also has first and second bending apparatuses that adjust the curvature of the first and second deformable lens plate through a range of curvature variation for adjusting the magnification power of the imaging system.Type: ApplicationFiled: August 29, 2022Publication date: March 9, 2023Inventors: Robert Dennis Grejda, Brian Monroe McMaster, Paul Francis Michaloski
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Patent number: 11311965Abstract: A method for aligning multiple optical components in an optical system including placing a sphere at a first position that is at a center of curvature of a first optical component, and aligning a focus of a first reference signal with the sphere at the first position. Then, moving the sphere along an axis of optical symmetry to a second position that is at a center of curvature of a second optical component, and aligning a focus of a second reference signal with the sphere at the second position. The first optical component is aligned with the first reference signal and fixing the first optical component, and the second optical component is aligned with the second reference signal and fixing the second optical component.Type: GrantFiled: July 9, 2020Date of Patent: April 26, 2022Assignee: Corning IncorporatedInventors: David Richard Bonin, Joshua Monroe Cobb, Brian Monroe McMaster
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Patent number: 11280978Abstract: The method of aligning a cylindrical lens in a lens assembly includes attaching the cylindrical lens to a lens fixture and interfacing the lens fixture to a support structure in which the cylindrical lens can be placed in a frontwards and backwards orientation. The method also includes capturing respective first and second line images of respective first and second focus lines as formed by the cylindrical lens in the forwards and backwards orientations. The method further includes establishing a relative orientation of the first and second line images and using the established relative orientation to determine an amount of angular misalignment of the cylindrical lens relative to a reference direction provided by the support structure. The method can include rotating the cylindrical lens relative to the lens fixture to reduce the amount of angular misalignment to be within an angular alignment tolerance.Type: GrantFiled: September 25, 2019Date of Patent: March 22, 2022Assignee: Corning IncorporatedInventors: Michael Morgan Dunn, Kevin John Magierski, Brian Monroe McMaster, Paul Francis Michaloski, Duncan Christopher Spaulding
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Publication number: 20210157085Abstract: An optical mount includes a support substrate defining an aperture configured to receive an optical element. A support assembly is positioned proximate a perimeter of the aperture. The support assembly includes a resilient member configured reflects in response to relative motion between the optical element and the support substrate. A support plate is positioned on the resilient member and is in contact with the optical element.Type: ApplicationFiled: February 3, 2021Publication date: May 27, 2021Inventors: Robert Dennis Grejda, Keith Ernest Hanford, Brian Monroe McMaster, Todd Robert McMichael, Matthew Ronald Millecchia, James Edward Platten
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Publication number: 20210055498Abstract: An alignment apparatus for aligning components of an optical assembly include a chuck configured to support the optical assembly thereon, and an adjustable flexure assembly disposed around the chuck. The adjustable flexure assembly includes a plurality of flexures. The plurality of flexures are positioned relative to the chuck such that each of the plurality of flexures contact the optical assembly when the optical assembly is positioned on the chuck.Type: ApplicationFiled: July 29, 2020Publication date: February 25, 2021Inventors: Robert Dennis Grejda, Kevin John Magierski, Brian Monroe McMaster, Todd Robert McMichael
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Patent number: 10895711Abstract: An assembly for fixing an optical element in a manner that decouples the optical element from mechanical stresses and thermal strains while providing freedom to facilitate alignment of the optical element, and while also eliminating polymers that can cause contamination problems including a mount configured for attachment to an optical system; a plurality of flexible members each having a first end affixed to or integrally extending from the mount, and a free end defining a bearing surface for supporting an optical element; and a polymer free bonding agent forming a hydroxide-catalyzed bond joining a surface of the optical member to the bearing surface. The optical element may be aligned with the flexible members without resting on the flexible members.Type: GrantFiled: June 13, 2018Date of Patent: January 19, 2021Assignee: Corning IncorporatedInventors: Brian Monroe McMaster, Todd Robert McMichael, Glenn A Parker
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Publication number: 20210008659Abstract: A method for aligning multiple optical components in an optical system including placing a sphere at a first position that is at a center of curvature of a first optical component, and aligning a focus of a first reference signal with the sphere at the first position. Then, moving the sphere along an axis of optical symmetry to a second position that is at a center of curvature of a second optical component, and aligning a focus of a second reference signal with the sphere at the second position. The first optical component is aligned with the first reference signal and fixing the first optical component, and the second optical component is aligned with the second reference signal and fixing the second optical component.Type: ApplicationFiled: July 9, 2020Publication date: January 14, 2021Inventors: David Richard Bonin, Joshua Monroe Cobb, Brian Monroe McMaster
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Publication number: 20200103612Abstract: The method of aligning a cylindrical lens in a lens assembly includes attaching the cylindrical lens to a lens fixture and interfacing the lens fixture to a support structure in which the cylindrical lens can be placed in a frontwards and backwards orientation. The method also includes capturing respective first and second line images of respective first and second focus lines as formed by the cylindrical lens in the forwards and backwards orientations. The method further includes establishing a relative orientation of the first and second line images and using the established relative orientation to determine an amount of angular misalignment of the cylindrical lens relative to a reference direction provided by the support structure. The method can include rotating the cylindrical lens relative to the lens fixture to reduce the amount of angular misalignment to be within an angular alignment tolerance.Type: ApplicationFiled: September 25, 2019Publication date: April 2, 2020Inventors: Michael Morgan Dunn, Kevin John Magierski, Brian Monroe McMaster, Paul Francis Michaloski, Duncan Christopher Spaulding
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Publication number: 20190004275Abstract: An assembly for fixing an optical element in a manner that decouples the optical element from mechanical stresses and thermal strains while providing freedom to facilitate alignment of the optical element, and while also eliminating polymers that can cause contamination problems including a mount configured for attachment to an optical system; a plurality of flexible members each having a first end affixed to or integrally extending from the mount, and a free end defining a bearing surface for supporting an optical element; and a polymer free bonding agent forming a hydroxide-catalyzed bond joining a surface of the optical member to the bearing surface. The optical element may be aligned with the flexible members without resting on the flexible members.Type: ApplicationFiled: June 13, 2018Publication date: January 3, 2019Inventors: Brian Monroe McMaster, Todd Robert McMichael, Glenn A. Parker
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Publication number: 20180239102Abstract: An optical mount includes a support substrate defining an aperture configured to receive an optical element. A support assembly is positioned proximate a perimeter of the aperture. The support assembly includes a resilient member configured reflects in response to relative motion between the optical element and the support substrate. A support plate is positioned on the resilient member and is in contact with the optical element.Type: ApplicationFiled: January 25, 2018Publication date: August 23, 2018Inventors: Robert Dennis Grejda, Keith Ernest Hanford, Brian Monroe McMaster, Todd Robert McMichael, Matthew Roland Millecchia, James Edward Platten
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Publication number: 20170363833Abstract: An assembly for fixing an optical element in a manner that decouples the optical element from mechanical stresses and thermal strains while providing freedom to facilitate alignment of the optical element, and while also eliminating polymers that can cause contamination problems including a mount configured for attachment to an optical system; a plurality of flexible metal members, each flexible member having a first end affixed to or integrally extending from the mount, and a free end defining a bearing surface for supporting an optical element; and an inorganic adhesive joining a surface of the optical member to the bearing surface.Type: ApplicationFiled: May 25, 2017Publication date: December 21, 2017Inventor: Brian Monroe McMaster
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Patent number: 8830581Abstract: A polarization switching apparatus has a first birefringent polarizer formed as a composite prism and disposed to direct incident light of a first polarization along a first optical path and light of a second polarization along a second optical path, wherein the second optical path is oblique to the first optical path. A beam redirector is disposed to redirect the first optical path from the first birefringent polarizer toward an input face of a second birefringent polarizer; wherein the second birefringent polarizer is also formed as a composite prism and is disposed to combine incident light of the first and second polarizations onto a common output path. A shutter apparatus is actuable to selectively block light of the first polarization or light of the second polarization from the input face of the second birefringent polarizer.Type: GrantFiled: May 2, 2012Date of Patent: September 9, 2014Assignee: Corning IncorporatedInventors: Paul G Dewa, Michael M Dunn, Stephen K Mack, Brian Monroe McMaster, Robert L Michaels, Paul Francis Michaloski
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Publication number: 20140240859Abstract: An optic obscuration assembly, a system and method for working on an optical element, and the resulting optical element are described herein. In one example, the system and related components (e.g., optic obscuration assembly, positioning system, and coating system) allow the accurate placement of a very round thin metal obscuration (e.g., thin metal disk) in the center of a front surface of the optical element before a high reflective thin film coating is applied to the front surface. Once, the optical element has had the high reflective thin film coating applied thereto then the thin metal obscuration is removed to reveal a transmissive aperture.Type: ApplicationFiled: August 2, 2013Publication date: August 28, 2014Applicant: CORNING INCORPORATEDInventors: Glenn A. Parker, Kevin J. Magierski, Brian Monroe McMaster
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Publication number: 20130070331Abstract: A polarization switching apparatus has a first birefringent polarizer formed as a composite prism and disposed to direct incident light of a first polarization along a first optical path and light of a second polarization along a second optical path, wherein the second optical path is oblique to the first optical path. A beam redirector is disposed to redirect the first optical path from the first birefringent polarizer toward an input face of a second birefringent polarizer; wherein the second birefringent polarizer is also formed as a composite prism and is disposed to combine incident light of the first and second polarizations onto a common output path. A shutter apparatus is actuable to selectively block light of the first polarization or light of the second polarization from the input face of the second birefringent polarizer.Type: ApplicationFiled: May 2, 2012Publication date: March 21, 2013Inventors: Paul G. Dewa, Michael M. Dunn, Stephen K. Mack, Brian Monroe McMaster, Robert L. Michaels, Paul Francis Michaloski
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Patent number: 6520415Abstract: A code scanner includes a laser beam generating a flying spot across a read axis of a code. The flying spot generates modulated reflected illumination that is detected by a photodetector assembly. The photodetector assembly includes a lenticular array with a plurality of lens elements and a mask with a plurality of horizontal mask space regions bounded by opaque regions to block a portion of ambient illumination and improve a signal to noise ratio.Type: GrantFiled: February 10, 2000Date of Patent: February 18, 2003Assignee: PSC Scanning, Inc.Inventor: Brian Monroe McMaster