Patents by Inventor Jered Richter
Jered Richter 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: 12381369Abstract: A beam positioner for deflecting a beam path, along which a diffracted beam of linearly polarized laser light is propagatable, within a two-dimensional scan field, the beam positioner includes a first acousto-optic deflectors (AOD) to deflect the beam path within a first one-dimensional scan field extending along a first axis of the two-dimensional scan field, a second AOD to deflect the beam path within a second one-dimensional scan field extending along a second axis of the two-dimensional scan field, a phase retarder arranged between the first AOD and the second AOD and within the beam path along which the beam of laser light is propagatable from the first AOD and a mirror arranged between the first AOD and the second AOD and within the beam path along which the beam of laser light is propagatable from the first AOD.Type: GrantFiled: May 31, 2023Date of Patent: August 5, 2025Assignee: ELECTRO SCIENTIFIC INDUSTRIES, INC.Inventors: James Brookhyser, Jan Kleinert, Jered Richter
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Publication number: 20250164831Abstract: A system includes a first acousto-optic deflector (AOD) for diffracting an incident beam of laser energy to produce and output therefrom a first beam of laser energy and a second beam of laser light, a second AOD arranged to receive the first beam of laser energy and for diffracting the received first beam of laser energy to thereby produce and output therefrom a third beam of laser energy and a fourth beam of laser energy, at least one first beam trap arranged and configured to absorb the second beam of laser energy output from the first AOD, at least one second beam trap arranged and configured to absorb the fourth beam of laser energy output from the second AOD and a controller communicatively coupled to the first AOD and to the second AOD, wherein the controller is configured to operate of the first AOD while not operating the second AOD.Type: ApplicationFiled: February 15, 2023Publication date: May 22, 2025Applicant: Electro Scientific Industries, Inc.Inventors: Mehmet ALPAY, Jered RICHTER, Tyler HOWE, Yuan LIU, Fumiyo YOSHINO, Brian JOHANSEN, Scott ROSENBALM, Mark UNRATH, Manyam KAJA, James BROOKHYSER, Patrick KAIN, Matthew JOHNSTON, Steve MELIZA, Chris LINDSLEY, Andrew STEVENS
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Publication number: 20230420905Abstract: An apparatus includes an acousto-optical deflector (AOD) system operative to deflect a beam of laser energy within a two-dimensional scan field. The AOD system includes a first AOD operative to deflect the beam of laser energy along a first axis of the two-dimensional scan field; a second AOD arranged optically downstream of the first AOD, wherein the second AOD is operative to deflect the beam of laser energy along a second axis of the two-dimensional scan field; and a controller operatively coupled to the AOD system. The controller is configured to drive each of the first AOD and the second AOD to deflect the beam of laser energy within the two-dimensional scan field and is further configured to drive the first AOD and the second AOD at at least substantially the same diffraction efficiency.Type: ApplicationFiled: November 11, 2021Publication date: December 28, 2023Applicant: ELECTRO SCIENTIFIC INDUSTRIES, INC.Inventors: Brian JOHANSEN, Tyler HOWE, Mehmet ALPAY, James BROOKHYSER, Jered RICHTER
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Publication number: 20230390866Abstract: Numerous embodiments of optical relay systems are disclosed. In one embodiment, a laser-processing apparatus includes an optical relay system configured to correct for beam placement errors by maintaining the optical path length of a beam of laser energy between a first positioner and a scan lens. In another embodiment, the optical relay system may include a first lens, a second lens, and a zoom lens assembly arranged between the first lens and the second lens, wherein the zoom lens assembly includes a first lens group and a second lens group. The zoom lens assembly may be movable relative to the first lens and the second lens (e.g., mounted on a positioner, such as a motion stage). The distance between the lenses of the first lens group and the distance between the lenses of the second lens group may be fixed or variable.Type: ApplicationFiled: November 23, 2021Publication date: December 7, 2023Applicant: ELECTRO SCIENTIFIC INDUSTRIES, INC.Inventors: James BROOKHYSER, Jan KLEINERT, Jered RICHTER, Mark UNRATH
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Publication number: 20230307883Abstract: A beam positioner for deflecting a beam path, along which a diffracted beam of linearly polarized laser light is propagatable, within a two-dimensional scan field, the beam positioner includes a first acousto-optic deflectors (AOD) to deflect the beam path within a first one-dimensional scan field extending along a first axis of the two-dimensional scan field, a second AOD to deflect the beam path within a second one-dimensional scan field extending along a second axis of the two-dimensional scan field, a phase retarder arranged between the first AOD and the second AOD and within the beam path along which the beam of laser light is propagatable from the first AOD and a mirror arranged between the first AOD and the second AOD and within the beam path along which the beam of laser light is propagatable from the first AOD.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Applicant: ELECTRO SCIENTIFIC INDUSTRIES, INC.Inventors: James BROOKHYSER, Jan KLEINERT, Jered RICHTER
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Patent number: 11705686Abstract: A beam positioner can be broadly characterized as including a first acousto-optic (AO) deflector (AOD) operative to diffract an incident beam of linearly polarized laser light, wherein the first AOD has a first diffraction axis and wherein the first AOD is oriented such that the first diffraction axis has a predetermined spatial relationship with the plane of polarization of the linearly polarized laser light. The beam positioner can include at least one phase-shifting reflector arranged within a beam path along which light is propagatable from the first AOD. The at least one phase-shifting reflector can be configured and oriented to rotate the plane of polarization of light diffracted by the first AOD.Type: GrantFiled: September 20, 2018Date of Patent: July 18, 2023Assignee: ELECTRO SCIENTIFIC INDUSTRIES, INC.Inventors: James Brookhyser, Jan Kleinert, Jered Richter, Kurt Eaton
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Publication number: 20220048135Abstract: Numerous embodiments are disclosed. In one, a laser-processing apparatus includes a positioner arranged within a beam path along which a beam of laser energy is propagatable. A controller may be used to control an operation of the positioner to deflect the beam path within first and second primary angular ranges, and to deflect the beam path to a plurality of angles within each of the first and second primary angular ranges. In another, an integrated beam dump system includes a frame; and a pickoff mirror and beam dump coupled to the frame. In still another, a wavefront correction optic includes a mirror having a reflective surface having a shape characterized by a particular ratio of fringe Zernike terms Z4 and Z9. Many more embodiments are disclosed.Type: ApplicationFiled: January 3, 2020Publication date: February 17, 2022Inventors: James Brookhyser, Jan Kleinert, Mark Kosmowski, Timothy Nuckolls, Jered Richter, Fumiyo Yoshino, Steve Meliza, Mehmet Alpay, Yuan Liu, Kurt M. Eaton
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Publication number: 20210226406Abstract: A beam positioner can be broadly characterized as including a first acousto-optic (AO) deflector (AOD) operative to diffract an incident beam of linearly polarized laser light, wherein the first AOD has a first diffraction axis and wherein the first AOD is oriented such that the first diffraction axis has a predetermined spatial relationship with the plane of polarization of the linearly polarized laser light. The beam positioner can include at least one phase-shifting reflector arranged within a beam path along which light is propagatable from the first AOD. The at least one phase-shifting reflector can be configured and oriented to rotate the plane of polarization of light diffracted by the first AOD.Type: ApplicationFiled: September 20, 2018Publication date: July 22, 2021Inventors: James Brookhyser, Jan Kleinert, Jered Richter, Kurt Eaton