Apparatus and methods for depositing durable optical coatings

    公开(公告)号:US11466362B2

    公开(公告)日:2022-10-11

    申请号:US16607838

    申请日:2018-04-25

    Abstract: Apparatus for depositing germanium and carbon onto one or more substrates comprises a vacuum chamber, at least first and second magnetron sputtering devices and at least one movable mount for supporting the one or more substrates within the vacuum chamber. The first magnetron sputtering device is configured to sputter germanium towards the at least one mount from a first sputtering target comprising germanium, thereby defining a germanium sputtering zone within the vacuum chamber. The second magnetron sputtering device is configured to sputter carbon towards the at least one mount from a second sputtering target comprising carbon, thereby defining a carbon sputtering zone within the vacuum chamber. The at least one mount and the at least first and second magnetron sputtering devices are arranged such that, when each substrate is moved through the germanium sputtering zone on the at least one movable mount, germanium is deposited on the said substrate, and when each substrate is moved through the carbon sputtering zone on the at least one movable mount, carbon is deposited on the said substrate.

    Amoebicidal Compositions for Contact Lens Solutions

    公开(公告)号:US20230102836A1

    公开(公告)日:2023-03-30

    申请号:US17671465

    申请日:2022-02-14

    Abstract: Described herein are pharmaceutical compositions and contact lens solutions comprising an Acanthamoeba encystation inhibitor such as a cationic quaternary ammonium compound and a physiologically or pharmaceutically acceptable carrier or excipient, optionally in combination with an Acanthamoeba cytotoxic agent such as an alkylphosphocholine. Such compositions are suitable for use in the treatment of Acanthamoeba infection or the prevention or treatment of Acanthamoeba keratitis.

    INFRARED SPECTROPHOTOMETER
    8.
    发明申请

    公开(公告)号:US20200064188A1

    公开(公告)日:2020-02-27

    申请号:US16485870

    申请日:2018-02-13

    Abstract: An optical sensor for multispectral analysis of a fluid sample comprises at least one light source, at least one interference filter, and a plurality of light detectors arranged such that light emitted by the at least one light source is incident on the at least one interference filter. There is a spatial variation in the intensity of light incident on the said at least one interference filter.

    Dynamic memory allocation methods and systems

    公开(公告)号:US11886332B2

    公开(公告)日:2024-01-30

    申请号:US17452833

    申请日:2021-10-29

    Abstract: In a dynamic memory allocator, a method of allocating memory to a process, the method comprising executing on a processor the steps of: creating one or more arenas within the memory, each arena comprising one or more memory blocks and each arena having an n-byte aligned arena address; upon receiving a memory request from the process, returning a pointer to the process, the pointer having as its value an address of a memory block selected from one of the arenas; upon determining that the memory block is no longer needed by the process, retrieving the address of said memory block from the pointer and releasing the memory block; and, upon a new arena being created, shifting forward the n-byte aligned address of said new arena according to a stored variable such that each memory block of said new arena is also shifted by the stored variable, the stored variable having n bytes and the stored variable having a random value.

    DYNAMIC MEMORY ALLOCATION METHODS AND SYSTEMS

    公开(公告)号:US20220137841A1

    公开(公告)日:2022-05-05

    申请号:US17452833

    申请日:2021-10-29

    Abstract: In a dynamic memory allocator, a method of allocating memory to a process, the method comprising executing on a processor the steps of: creating one or more arenas within the memory, each arena comprising one or more memory blocks and each arena having an n-byte aligned arena address; upon receiving a memory request from the process, returning a pointer to the process, the pointer having as its value an address of a memory block selected from one of the arenas; upon determining that the memory block is no longer needed by the process, retrieving the address of said memory block from the pointer and releasing the memory block; and, upon a new arena being created, shifting forward the n-byte aligned address of said new arena according to a stored variable such that each memory block of said new arena is also shifted by the stored variable, the stored variable having n bytes and the stored variable having a random value.

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