B81B2201/02

Micromechanical spring structure
10836629 · 2020-11-17 · ·

A micromechanical spring structure, including a spring beam and a rigid micromechanical structure, the spring beam including a first end and an opposing second end along a main extension direction. The spring beam includes a fork having two support arms on at least one of the two ends, which is anchored to the rigid micromechanical structure, the two support arms being anchored to a surface of the rigid micromechanical structure, which extends perpendicular to the main extension direction of the spring beam.

MEMS die with sensing structures

A microelectromechanical systems die including a thermally conductive substrate including an outer surface, a plurality of low mass sensing structures disposed within the thermally conductive substrate to form a plurality of inter-structure spaces therebetween, each of the plurality of low mass sensing structures include a sensing structure proximal top surface, a sensing structure distal top surface, and a sensing structure width dimension.

Semiconductor sensor device and method for fabricating the same

A semiconductor sensor device includes a substrate including a first main face and a second main face opposite the first main face, a semiconductor element including a sensing region, the semiconductor element on the first main face of the substrate and being electrically coupled to the substrate, a lid on the first main face of the substrate and forming a cavity, wherein the semiconductor element is in the cavity, and a vapor deposited dielectric coating covering the semiconductor element and the first main face of the substrate, the vapor deposited dielectric coating having an opening over the sensing region, wherein the second main face of the substrate is at least partially free of the vapor deposited dielectric layer.

MOISTURE DETECTOR, MOISTURE DETECTION METHOD, ELECTRONIC DEVICE, AND LOG OUTPUT SYSTEM
20200326123 · 2020-10-15 ·

A moisture detector includes a sensor chip and a moisture determining unit. The sensor chip includes a humidity detector having a detection surface on which to measure humidity, and also includes a heater heating the detection surface, and the moisture determining unit is configured to, after causing the heater to start heating, determine whether moisture is present on the detection surface based on a difference in changes in the humidity measured by the humidity detector.

ELECTRONIC DEVICE AND CORRESPONDING MANUFACTURING METHOD

An electronic integrated circuit (IC) component is mounted to a substrate. A cap member is applied onto the substrate and covers the electronic IC component. The cap member includes an outer wall defining an opening and an inner wall surrounding the electronic IC component. The inner wall extends from a proximal end at the substrate towards a distal end facing the opening in the outer wall to provide a reception chamber for the electronic IC component and a peripheral chamber between the inner wall and the outer wall of the cap member. An encapsulant material is provided in the reception chamber to seal the electronic IC component without being present in the peripheral chamber.

Acoustic lens for micromachined ultrasound transducers

Matching layers configured for use with ultrasound transducers are disclosed herein. In one embodiment, a transducer stack can include a capacitive micromachined ultrasound transducer (CMUT), an acoustic lens, and a matching layer therebetween. The matching layer can be made from a compliant material (e.g. an elastomer and/or an liquid) and configured for use with CMUTs. The matching layer can include a bottom surface overlying a top surface of the transducer and a top surface underlying a bottom surface of the lens.

MICRO ELECTRO-MECHANICAL STRAIN DISPLACEMENT SENSOR AND USAGE MONITORING SYSTEM
20200264056 · 2020-08-20 ·

A low power consumption multi-contact micro electro-mechanical strain/displacement sensor and miniature autonomous self-contained systems for recording of stress and usage history with direct output suitable for fatigue and load spectrum analysis are provided. In aerospace applications the system can assist in prediction of fatigue of a component subject to mechanical stresses as well as in harmonizing maintenance and overhauls intervals. In alternative applications, i.e. civil structures, general machinery, marine and submarine vessels, etc., the system can autonomously record strain history, strain spectrum or maximum values of the strain over a prolonged period of time using an internal power supply or a power supply combined with an energy harvesting device. The sensor is based on MEMS technology and incorporates a micro array of flexible micro or nano-size cantilevers. The system can have extremely low power consumption while maintaining precision and temperature/humidify independence.

MEMS package

A package includes a support structure having an electrically insulating material, a microelectromechanical system (MEMS) component, a cover structure having an electrically insulating material and mounted on the support structure for at least partially covering the MEMS component, and an electronic component embedded in one of the support structure and the cover structure. At least one of the support structure and the cover structure has or provides an electrically conductive contact structure.

Medical Ultrasound system using transducer with circular formation elements placement and built-in MEMS motion sensors
20200237341 · 2020-07-30 ·

A Medical Ultrasound System with circular formation elements placement ultrasonic transducer. Each element of transducer generates the ultrasonic signal to human or animal body. Receiving signal from the transducer elements on same circle is directly connected and summed. The summed signal of each element circle is independently delayed by the digital controlled delay and then summed by the adder. The final summed signal after the adder is sent to Post Processing Unit. Post Processing Unit processes the final summed signal for the medical diagnosis, and the beam line is from the center of the circular plane of the transducer elements formation and perpendicular to this plane. The ultrasonic transducer has MEMS based motion sensors: accelerometer-sensors and gyro-sensors built in. The MEMS based motion sensors send the real-time transducer location and angle information to Post Processing Unit. In PW Mode, Post Processing Unit detects and calculates the direction of blood vessel by finding the center of largest distribution area of non-zero magnitude of Doppler shift frequency on the Beam line, the blood vessel direction and angle are known. The physical blood flow speed in the blood vessel is automatically calculated by the measured Doppler shift frequency and the angle between the direction of the blood vessel and the direction of the transducer beam line. In B Mode, Post Processing Unit is splicing the beam lines by the location and angle information from the MEMS sensors during the movement of the transducer.

Sensor assembly and arrangement and method for manufacturing a sensor assembly
10723615 · 2020-07-28 · ·

A sensor assembly for being mounted on a circuit board comprises an interposer with at least one opening extending between a first and a second main surface of the interposer. The interposer comprises at least two stress decoupling elements, each comprising a flexible structure formed by a respective portion of the interposer being partially enclosed by one of the at least one opening. A sensor die is connected to the flexible structures on the first main surface. At least two board connection elements are arranged on the first main surface and adapted for connecting the assembly to the circuit board.