Dynamic calibration of light intensity in a system for non-invasive detection of skin cancer using elastic scattering spectroscopy

    公开(公告)号:US12053263B2

    公开(公告)日:2024-08-06

    申请号:US17327317

    申请日:2021-05-21

    申请人: DermaSensor, Inc.

    IPC分类号: A61B5/00

    摘要: Methods and devices are disclosed for calibrating intensity of a light source in a system of evaluating a skin lesion using Elastic-Scattering Spectroscopy (ESS). The ESS system may illuminate a sample of the skin lesion with a pulse from the light source adjusted to a high output setting, receive a signal comprising an elastic scattering spectrum from illuminating the skin lesion sample at the high output setting, determine whether the received signal has an intensity that is greater than a saturation threshold associated with at least one optical detection sensor, and if so, store the elastic scattering spectrum from illuminating the skin lesion sample at the high output setting. If not greater than the saturation threshold, the ESS system may illuminate the skin lesion sample with a pulse from the light source adjusted to a low output setting, receive a signal comprising an elastic scattering spectrum from illuminating the skin lesion sample at the low output setting, and store the elastic scattering spectrum from illuminating the skin lesion sample at the low output setting.

    Deep trench capacitor including stress-relief voids and methods of forming the same

    公开(公告)号:US12015050B2

    公开(公告)日:2024-06-18

    申请号:US17458706

    申请日:2021-08-27

    发明人: Fu-Chiang Kuo

    IPC分类号: H01G4/35 H01L23/532 H01L49/02

    摘要: A deep trench is formed in a substrate. A layer stack including at least three metallic electrode layers interlaced with at least two node dielectric layers is formed over the substrate. The layer stack continuously extends into the deep trench, and a cavity is present in an unfilled volume of the deep trench. A dielectric fill material layer including a dielectric fill material is formed in the cavity and over the substrate. The dielectric fill material layer encapsulates a void that is free of any solid phase and is formed within a volume of the cavity. The void may expand or shrink under stress during subsequently handling of a deep trench capacitor including the layer stack to absorb mechanical stress and to increase mechanical stability of the deep trench capacitor.