Ultra Clean. has been granted a patent for a method and apparatus designed to detect leaks in units under test. The system utilizes a helium dispenser, vacuum source, and motion detectors to monitor helium dispersion and vacuum pressure, providing real-time leak detection through a graphical user interface. GlobalData’s report on Ultra Clean gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Ultra Clean, was a key innovation area identified from patents. Ultra Clean's grant share as of July 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Leak detection method and apparatus using helium dispensing
The patent US12025534B2 describes an innovative apparatus and method for detecting leaks in a unit under test, utilizing a helium-based detection system. The apparatus includes a helium dispenser connected to a helium gas source, equipped with a motion detector comprising two accelerometers. This setup allows for the selective dispensing of helium while monitoring the motion of the dispenser. Additionally, the system features a vacuum source connected to the unit under test, a helium detector linked to the vacuum source, and a controller that processes signals from both the helium and motion detectors. The design also incorporates a pressure sensor to monitor the internal pressure of the unit, enhancing the leak detection capabilities.
The method outlined in the patent involves a series of steps for leak testing, starting with scanning a SKU on the unit and connecting it to the testing apparatus. After removing gas from the unit's interior, the vacuum pressure is monitored until it reaches a test pressure. Helium is then dispensed over potential leak areas, such as welds, while the motion of the helium gun is tracked. The accelerometers within the nozzle provide data on the dispensing speed, which is critical for determining the success of the leak test. If the detected helium levels exceed acceptable limits or if the dispensing speed surpasses a predefined threshold, the system notifies the user through visual and audio alerts. The method also includes the capability to log failure notices and analyze data to improve manufacturing processes.
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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.
