WAVEGUIDE SENSOR WINDOW OPENING
    11.
    发明公开

    公开(公告)号:US20240230540A1

    公开(公告)日:2024-07-11

    申请号:US18560163

    申请日:2022-05-04

    Applicant: ams-OSRAM AG

    Abstract: A method for manufacturing a sensor includes providing a lower cladding layer, depositing a waveguide layer on the lower cladding layer, forming a sensing waveguide and a reference waveguide by photolithography and etching the waveguide layer in places, and forming a photoresist structure-on a part of the sensing waveguide by photolithography. The method also includes depositing an upper cladding layer on the photoresist structure, the sensing waveguide, the reference waveguide, and the lower cladding layer. The method further includes removing the photoresist structure with the part of the upper cladding layer deposited on the photoresist structure so that an opening within the upper cladding layer is formed above the sensing waveguide. The method additionally includes depositing a functionalization material within the opening. From the waveguide layer an auxiliary structure is formed by photolithography and etching the waveguide layer, and the opening is above the auxiliary structure.

    PARTICULATE MATTER DETECTOR AND METHOD FOR DETECTING PARTICULATE MATTER

    公开(公告)号:US20240210296A1

    公开(公告)日:2024-06-27

    申请号:US18573961

    申请日:2022-06-24

    Applicant: ams-OSRAM AG

    Abstract: A particulate matter detector includes a light emitter configured to emit light, a first, a second and a third waveguide, a waveguide splitter, a detector, and a controller. The third waveguide is free of cladding. The first waveguide is coupled to the light emitter and guides emitted light toward the waveguide splitter. The first waveguide includes an interrogation region formed by a cladding-free surface of the first waveguide. During a measurement phase, a first intensity of the light in the first waveguide is set for determining a change in the intensity of the light detected by the detector. An indication of an opacity of the surface of the first waveguide with accumulated particulate matter is output. During a cleaning phase, a second intensity of the light in the first waveguide is set for directing the accumulated particulate matter from the interrogation region to the third waveguide via optical forces.

    Monolithically integrated optical assembly
    13.
    发明公开

    公开(公告)号:US20240176082A1

    公开(公告)日:2024-05-30

    申请号:US18548223

    申请日:2022-03-23

    Applicant: ams-OSRAM AG

    CPC classification number: G02B6/4214

    Abstract: A monolithically integrated optical assembly comprising a waveguide configured to receive light and a coupling element configured to couple light into the waveguide. The monolithically integrated optical assembly comprises an optical element comprising a pattern of features configured to control a propagation of light incident on the coupling element.

    SELF-MIXING INTERFERFEROMETRY FOR ABSORPTION OR COLOR DETECTION AND APPLICATION IN LATERAL FLOW TESTING

    公开(公告)号:US20230266313A1

    公开(公告)日:2023-08-24

    申请号:US18005200

    申请日:2021-07-13

    Applicant: ams-OSRAM AG

    CPC classification number: G01N33/54388 G01N21/78 G01N2021/7759

    Abstract: It is proposed to use self-mixing interferometry for determining an absorption. The monitoring device for use in lateral flow testing for detecting presence or amount of an analyte in a liquid includes a housing, the housing including a carrier holder for holding a carrier for transport of the liquid; at least a first light source which is a resonant-cavity light source having a cavity; and an evaluation unit, operationally connected to at least the first light source for detecting a measurement signal. The first light source is structured and arranged to illuminate with light a test range in a test area of a carrier held in the carrier holder; and to couple back into the cavity of the first light source a portion of the light coming back from the test range.

    Driver circuit for low voltage differential signaling, LVDS, line driver arrangement for LVDS and method for operating an LVDS driver circuit

    公开(公告)号:US12283958B2

    公开(公告)日:2025-04-22

    申请号:US18002419

    申请日:2021-05-17

    Applicant: ams-Osram AG

    Abstract: A driver circuit for low voltage differential signaling, LVDS, includes a phase alignment circuit including an input configured to receive an input signal, a first output configured to provide an internal signal as a function of the input signal, and a second output configured to provide an inverted internal signal, which is the inverted signal of the internal signal, and an output driver circuit coupled to the phase alignment circuit, the output driver circuit including a first input configured to receive the internal signal, a second input configured to receive the inverted internal signal, a first output configured to provide an output signal as a function of the internal signal and a second output configured to provide an inverted output signal which is the inverted signal of the output signal. The phase alignment circuit provides the inverted internal signal with its phase aligned to a phase of the internal signal.

    METHOD FOR FORMING A LIFT-OFF MASK STRUCTURE
    19.
    发明公开

    公开(公告)号:US20240012327A1

    公开(公告)日:2024-01-11

    申请号:US18041708

    申请日:2021-08-12

    Applicant: ams-Osram AG

    CPC classification number: G03F7/091 G02B5/285 G03F1/76 H01L21/0272

    Abstract: A method for forming a lift-off mask structure includes providing a substrate body, depositing a layer of bottom anti-reflective coating, BARC, over a surface of the substrate body, and depositing a layer of photosensitive resist over the BARC layer. The method further includes exposing the resist layer to electromagnetic radiation through a photomask, and forming the lift-off mask structure by applying a developer for selectively removing a portion of the BARC layer and of the resist layer such that an underlying portion of the surface of the substrate body is exposed.

    PEAK COMPARATOR CIRCUITRY
    20.
    发明公开

    公开(公告)号:US20230163755A1

    公开(公告)日:2023-05-25

    申请号:US17917169

    申请日:2021-03-22

    Applicant: ams-Osram AG

    CPC classification number: H03K5/24 G01D5/20 G01R19/0038

    Abstract: The peak comparator circuitry comprises a differential amplifier circuit having an output node to generate a differential amplifier output signal in response to an amplification of a difference of an input signal and a reference signal, and a comparator circuit having an output node to generate a comparator output signal. A feedback path of the peak comparator circuitry is arranged between the output node of the comparator circuit and the output node of the differential amplifier circuit. The proposed peak comparator circuitry allows for a low voltage supply, a low current consumption and a fast output validity.

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