B81B2201/0242

INTEGRATED CIRCUIT PACKAGE WITH WARPAGE CONTROL USING CAVITY FORMED IN LAMINATED SUBSTRATE BELOW THE INTEGRATED CIRCUIT DIE
20230046645 · 2023-02-16 · ·

A support substrate includes an insulating core layer, an electrically conductive layer over the insulating core layer and a solder mask layer over the electrically conductive layer. A back side of an integrated circuit chip is mounted to an upper surface of the support substrate at a die attach location. The upper surface of the support substrate includes a cavity located within the die attach location, where the cavity extends under the back side of the integrated circuit chip. The cavity is defined by an area where the solder mask layer and at least a portion of the electrically conductive layer have been removed. Bonding wires connect connection pads on a front side of the integrated circuit chip to connection pad on the upper surface of the support substrate.

MEMS Vibrating Ring Resonator with Deformable Inner Ring-Shaped Spring Supports

A Microelectromechanical systems (MEMS) based ring resonator includes an outer ring which is supported in resilient deformable movement relative to one or more peripherally disposed electrodes by a symmetrically positioned array of radially extending inner spring supports. The inner spring supports extend radially from a central anchor post or support to the inner circumferential edge of the outer ring. The innerspring supports are configured to deformation or regulate movement in outer ring driving and sensing modes.

METHOD AND SYSTEM FOR FABRICATING A MEMS DEVICE CAP
20230045563 · 2023-02-09 ·

A device includes a substrate comprising a first standoff, a second standoff, a third standoff, a first cavity, a second cavity, and a bonding material covering a portion of the first, the second, and the third standoff. The first cavity is positioned between the first and the second standoffs, and the second cavity is positioned between the second and the third standoffs. The first cavity comprises a first cavity region and a second cavity region separated by a portion of the substrate extruding thereto, and wherein a depth associated with the first cavity region is greater than a depth associated with the second cavity. A surface of the first cavity is covered with a getter material.

3D MEMS DEVICE WITH HERMETIC CAVITY
20180002163 · 2018-01-04 ·

A three dimensional (3D) micro-electro-mechanical system (MEMS) device is provided. The device comprises a central MEMS wafer, and top and bottom cap wafers. The MEMS wafer includes a MEMS structure, such as an inertial sensor. The 5 top cap wafer, the bottom cap wafer and the MEMS wafers are stacked along a stacking axis and together form at least one hermetic cavity enclosing the MEMS structure. At least one of the top cap wafer and the bottom cap wafer is a silicon-on- insulator (SOI) cap wafer comprising a cap device layer, a cap handle layer and a cap insulating layer interposed between the cap device layer and the cap handle layer. At 10 least one electrically conductive path extends through the SOI cap wafer, establishing an electrical convection between an outer electrical contact provided on the SOI cap wafer and the MEMS structure.

MEMS SENSOR WITH HIGH VOLTAGE SWITCH
20180002162 · 2018-01-04 · ·

A system and/or method for utilizing MEMS switching technology to operate MEMS sensors. As a non-limiting example, a MEMS switch may be utilized to control DC and/or AC bias applied to MEMS sensor structures. Also for example, one or more MEMS switches may be utilized to provide drive signals to MEMS sensors (e.g., to provide a drive signal to a MEMS gyroscope).

CMOS-MEMS-CMOS PLATFORM
20180009654 · 2018-01-11 · ·

A sensor chip includes a first substrate with a first surface and a second surface including at least one CMOS circuit, a first MEMS substrate with a first surface and a second surface on opposing sides of the first MEMS substrate, a second substrate, a second MEMS substrate, and a third substrate including at least one CMOS circuit. The first surface of the first substrate is attached to a packaging substrate and the second surface of the first substrate is attached to the first surface of the first MEMS substrate. The second surface of the first MEMS substrate is attached to the second substrate. The first substrate, the first MEMS substrate, the second substrate and the packaging substrate are provided with electrical inter-connects.

VIBRATION AND SHOCK ROBUST GYROSCOPE
20180010913 · 2018-01-11 ·

A MEMS device includes a movable mass having a central region overlying a sense electrode and an opening in which a suspension structure and spring system are located. The suspension structure includes an anchor coupled to a substrate and rigid links extending from opposing sides of the anchor. The spring system includes a first and second spring heads coupled to each of the rigid links. A first drive spring is coupled to the first spring head and to the movable mass, and a second drive spring is coupled to the second spring head and to the movable mass. The movable mass is resiliently suspended above the surface of the substrate via the suspension structure and the spring system. The spring system enables drive motion of the movable mass in the drive direction and sense motion of the movable mass in a sense direction perpendicular to the surface of the substrate.

LOW-IMPACT OUT-OF-PLANE MOTION LIMITER MEMS DEVICE
20230234834 · 2023-07-27 ·

A microelectromechanical device is provided that includes a mobile rotor and a fixed stator in a device plane. Moreover, a fixed wall defines a wall plane that is adjacent to the device plane and a motion limiter is provided to prevent the rotor from coming into direct physical contact with the fixed wall. The motion limiter includes a shock absorber that extends from the rotor to the stator and a fixed stopper structure that protrudes from the fixed wall toward the shock absorber.

Sensor package

A sensor device may include a base layer, and an ASIC element disposed on the base layer. The ASIC element may include a plurality of electrical contact points. The sensor device may include a MEMS element. The MEMS element may include a plurality of through-silicon vias. The sensor device may include a plurality of conductive contact elements. Each conductive contact element may be disposed between, and electrically coupling, a respective through-silicon via and a respective electrical contact point. The sensor device may include a protective layer disposed between the ASIC element and the MEMS element. The protective layer may be composed of material(s) having a physical property defined to permit the protective layer to mitigate stress forces directed from the ASIC element to the MEMS element, to prevent corrosion, and/or to prevent leakage current between electrical connections due to pollution and/or humidity.

ENVIRONMENTAL SYSTEM-IN-PACKAGE FOR HARSH ENVIRONMENTS

A downhole sensor system includes a first sensor package having a substrate, an integrated circuit chip mounted to the substrate, the integrated circuit chip including a processor, a transducer chip mounted to the integrated circuit chip, and a plurality of sensors configured to measure at least shock, pressure, temperature, and humidity. At least one of the plurality of sensors is mounted to the transducer chip such that a stack is formed at least from the substrate, the integrated circuit, the transducer chip, and the sensor. The plurality of sensors are in communication with the processor.