B81B7/0096

Method for detecting contamination of a MEMS sensor element

A method for detecting contamination of a microelectromechanical sensor element. The method includes the following steps: outputting heating control signals for controlling a heating device in order to heat the sensor element, receiving measuring signals that represent a physical variable that is measured with the aid of the heated sensor element, ascertaining, based on the measured physical variable, whether the sensor element has contamination or is free of contamination, outputting result signals that represent a result indicating whether the sensor element has contamination or is free of contamination. Moreover, a device is described.

ENHANCED MEMS SENSOR EMBEDDED HEATER
20230061188 · 2023-03-02 ·

Aspects of the subject technology relate to an apparatus including a housing and a substrate. The apparatus further includes a sensor, an integrated circuit mounted on the substrate, and one or more heating elements configured to adjust a temperature of the sensor to facilitate measurement of temperature sensitivity and calibration of the sensor.

MEMS DEVICE AND MANUFACTURING METHOD THEREOF

The present disclosure relates to a microelectromechanical systems (MEMS) device and method for manufacturing the same for improving the uniformity of temperature distribution in a heater unit, and the present disclosure discloses a MEMS device and method for manufacturing the same, including a heater unit that is formed on a substrate, and a dummy pattern unit that is formed in a remaining portion except for a portion where the heater unit is formed so as not to be electrically connected to the heater unit.

HEATING DEVICE AND MICROFLUIDIC APPARATUS COMPRISING THE SAME
20230191406 · 2023-06-22 ·

There is provided a heating device to independently and/or effectively heat the micro objects manipulated by a micro apparatus/system, for example the droplets of fluids in an electrowetting on dielectric EWOD device of a microfluidic apparatus. The heating device may include a plurality of micro heaters arranged in an array of rows and columns, and the micro heaters of the heating device may be disposed in relative to the electrode elements of the EWOD device, respectively. Therefore, the micro heaters of the heating device may heat one of the electrode elements of the EWOD device, thereby preventing thermal effect of the micro object on the other electrode elements.

OVENIZED MEMS
20220360218 · 2022-11-10 ·

One or more heating elements are provided to heat a MEMS component (such as a resonator) to a temperature higher than an ambient temperature range in which the MEMS component is intended to operate—in effect, heating the MEMS component and optionally related circuitry to a steady-state “oven” temperature above that which would occur naturally during component operation and thereby avoiding temperature-dependent performance variance/instability (frequency, voltage, propagation delay, etc.). In a number of embodiments, an IC package is implemented with distinct temperature-isolated and temperature-interfaced regions, the former bearing or housing the MEMS component and subject to heating (i.e., to oven temperature) by the one or more heating elements while the latter is provided with (e.g., disposed adjacent) one or more heat dissipation paths to discharge heat generated by transistor circuitry (i.e., expel heat from the integrated circuit package).

MICROMECHANICAL MOISTURE SENSOR DEVICE AND CORRESPONDING MANUFACTURING METHOD
20170315074 · 2017-11-02 ·

A micromechanical moisture-sensor device and a corresponding manufacturing method. The micromechanical moisture-sensor device is equipped with a first electrode device situated on the substrate; a second electrode device situated on the substrate; an electrical insulation device situated between the first electrode device and the second electrode device which includes a first area, which is in contact with the first electrode device and the second electrode device, and which includes a second area, which is exposed by the first electrode device and the second electrode device; a moisture-sensitive functional layer, which is applied across the first electrode device and the second electrode device and the second area of the insulation device lying between them in such a way that it forms a moisture-sensitive resistive electrical shunt at least in some areas between the first electrode device and the second electrode device.

SYSTEM AND METHOD FOR AN OVENIZED SILICON PLATFORM USING Si/SiO2 HYBRID SUPPORTS
20170275157 · 2017-09-28 · ·

The present invention generally relates to an ovenized platform and a fabrication process thereof. Specifically, the invention relates to an ovenized hybrid Si/SiO.sub.2 platform compatible with typical CMOS and MEMS fabrication processes and methods of its manufacture. Embodiments of the invention may include support arms, CMOS circuitry, temperature sensors, IMUs, and/or heaters among other elements.

BACKSIDE COATING OF SUSPENDED MEMS MIRROR ACTUATORS FOR STRESS MATCHING AND THERMAL STABILITY
20220204338 · 2022-06-30 ·

Apparatus and methods for forming MEMS structures that minimize bending with temperature change due to differences in the coefficient of thermal expansion for different layers of the MEMS structures. In particular, shown is forming a compensating reflectivity coating on the underside of a suspended MEMS structure to offset bending by a reflectivity coating on a top side of the suspended MEMS structure. The reflectivity coating can be either a reflective coating, or a non-reflective (anti-reflective) coating. The method includes forming a cavity on a first wafer, forming the compensating reflective coating on a second wafer substrate that will become the suspended MEMS structure, then flipping the second wafer over and bonding the two wafers together.

Ovenized MEMS

One or more heating elements are provided to heat a MEMS component (such as a resonator) to a temperature higher than an ambient temperature range in which the MEMS component is intended to operate—in effect, heating the MEMS component and optionally related circuitry to a steady-state “oven” temperature above that which would occur naturally during component operation and thereby avoiding temperature-dependent performance variance/instability (frequency, voltage, propagation delay, etc.). In a number of embodiments, an IC package is implemented with distinct temperature-isolated and temperature-interfaced regions, the former bearing or housing the MEMS component and subject to heating (i.e., to oven temperature) by the one or more heating elements while the latter is provided with (e.g., disposed adjacent) one or more heat dissipation paths to discharge heat generated by transistor circuitry (i.e., expel heat from the integrated circuit package).

MEMS SENSOR AS WELL AS METHOD FOR OPERATING A MEMS SENSOR
20220009769 · 2022-01-13 ·

The invention relates to a MEMS sensor, including a deflectably situated functional layer, a conversion device for converting a deflection of the functional layer into an electrical signal, the conversion device including at least one electrical element, the at least one electrical element being at least partially electrically connected to a first area, and the first area being at least partially electrically connected to a second area, and the first and second areas and/or the first area and the at least one electrical element being electrically operable in a reverse direction and a forward direction, and a control unit, the control unit being designed to at least partially operate the at least one electrical element and the first area and/or the first area and the second area in the forward direction to provide thermal energy.