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公开(公告)号：US10801883B2
公开(公告)日：2020-10-13
申请号：US16554005
申请日：2019-08-28
Applicant: CORNING INCORPORATED
Abstract: The apparatus and methods include moving an optical fiber over a fiber path that includes a marking location at which resides a printer unit. The moving optical fiber has an amount of undamped fiber vibration that can exceed a fiber vibration tolerance at high fiber speeds. The printer unit is configured to dispense ink onto the optical fiber to form wet ink marks along the optical fiber as it moves past the marking location. The wet ink marks are dried and counted for quality control. The marked optical fiber is then covered with an overcoat to protect the ink marks. A position sensor measures an amount of vibration of the optical fiber substantially at the marking location. One or more vibration dampers disposed along the fiber path are used to reduce the fiber vibration below the fiber vibration tolerance. This allows for high-speed marking of the optical fiber.
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公开(公告)号：US11414344B2
公开(公告)日：2022-08-16
申请号：US16930784
申请日：2020-07-16
Applicant: CORNING INCORPORATED
Inventor： Steven Howard Dunn , Aditya Kaimal , Kelvin Nguyen
IPC: B41J3/407 , C03C25/106 , B41J2/045 , C03C25/1065 , C03C25/12
Abstract: The apparatus and methods include moving an optical fiber over a fiber path that includes a marking location at which resides a marking unit that dispenses an ink-jet stream. A centering method is performed whereby the optical fiber is incrementally moved in a lateral direction through the path of the ink-stream and the mark number density of marks formed on the optical fiber is measured along with the optical fiber position. A process window is defined by the range of lateral fiber positions over which a target mark number density is formed on a consistent basis. A controller calculates an optimum fiber path position and stores it memory for future reference while also moving the fiber path to the optimum position. The initially wet ink marks are dried and the fiber coated with a transparent protective overcoat to form a coated and marked optical fiber.
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公开(公告)号：US20210024413A1
公开(公告)日：2021-01-28
申请号：US16930784
申请日：2020-07-16
Applicant: CORNING INCORPORATED
Inventor： Steven Howard Dunn , Aditya Kaimal , Kelvin Nguyen
IPC: C03C25/106 , C03C25/12 , C03C25/1065 , B41J2/045 , B41J3/407
Abstract: The apparatus and methods include moving an optical fiber over a fiber path that includes a marking location at which resides a marking unit that dispenses an ink-jet stream. A centering method is performed whereby the optical fiber is incrementally moved in a lateral direction through the path of the ink-stream and the mark number density of marks formed on the optical fiber is measured along with the optical fiber position. A process window is defined by the range of lateral fiber positions over which a target mark number density is formed on a consistent basis. A controller calculates an optimum fiber path position and stores it memory for future reference while also moving the fiber path to the optimum position. The initially wet ink marks are dried and the fiber coated with a transparent protective overcoat to form a coated and marked optical fiber.
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公开(公告)号：US20200088567A1
公开(公告)日：2020-03-19
申请号：US16554005
申请日：2019-08-28
Applicant: CORNING INCORPORATED
Abstract: The apparatus and methods include moving an optical fiber over a fiber path that includes a marking location at which resides a printer unit. The moving optical fiber has an amount of undamped fiber vibration that can exceed a fiber vibration tolerance at high fiber speeds. The printer unit is configured to dispense ink onto the optical fiber to form wet ink marks along the optical fiber as it moves past the marking location. The wet ink marks are dried and counted for quality control. The marked optical fiber is then covered with an overcoat to protect the ink marks. A position sensor measures an amount of vibration of the optical fiber substantially at the marking location. One or more vibration dampers disposed along the fiber path are used to reduce the fiber vibration below the fiber vibration tolerance. This allows for high-speed marking of the optical fiber.
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