Nikon has patented a processing system that uses a liquid processing device to create a non-liquid-immersion state on a surface, allowing for precise beam irradiation on a target area for processing. This innovative method enhances accuracy and efficiency in material processing applications. GlobalData’s report on Nikon gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Nikon, Welding robots was a key innovation area identified from patents. Nikon's grant share as of April 2024 was 41%. Grant share is based on the ratio of number of grants to total number of patents.

Laser processing method with liquid supply and removal

Source: United States Patent and Trademark Office (USPTO). Credit: Nikon Corp

A recently granted patent (Publication Number: US11969822B2) discloses a novel processing method and system for applying processing to a target portion on a predetermined top surface by irradiation of a beam. The method involves supplying a liquid, separating the top surface into areas with and without liquid, and irradiating a beam on the target portion in a non-liquid-immersion state to apply the processing. The system includes components such as a liquid supply device, a liquid processing device, a beam irradiation section, and a moving apparatus to facilitate the processing of the target portion.

Furthermore, the patent details various aspects of the processing system, including the use of gas supply, shaping processing for three-dimensional objects, material supplying sections, cover members for the optical path of the beam, and temperature adjustment or cooling of the object surface through liquid supply. The system also incorporates features like a movable stage, a controller for liquid adjustment, and the use of inert gas for processing. Additionally, the system includes mechanisms for removing liquid, controlling the amount of liquid supplied, and ensuring that the liquid does not enter specific spaces during processing. Overall, the patent highlights a comprehensive approach to processing target portions on surfaces using beam irradiation in conjunction with liquid supply and removal mechanisms.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.