B81B7/0038

Wafer level package for device
20230050181 · 2023-02-16 ·

According to an example aspect of the present invention, there is provided a wafer level package for a device, the package comprising: a first substrate and a second substrate, a sealing structure comprising a seal ring and a bonding layer between the first substrate and the second substrate, and a lateral electrical connection line on a surface of the first substrate, which lateral electrical connection line extends through the seal ring for creating an electrical connection between the device inside the package and an electrical circuit outside the package.

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.

MEMS Device with Multi Pressure
20180002166 · 2018-01-04 ·

Micro-electromechanical (MEMS) devices and methods of forming are provided. The MEMS device includes a first substrate including a first conductive feature, a first movable element positioned over the first conductive feature, a second conductive feature, and a second movable element positioned over the second conductive feature. The MEMS device also includes a cap bonded to the first substrate, where the cap and the first substrate define a first sealed cavity and a second sealed cavity. The first conductive feature and the first movable element are disposed in the first sealed cavity and the second conductive feature and the second movable element are disposed in the second sealed cavity. A pressure of the second cavity is higher than a pressure of the first sealed cavity, and an out gas layer is disposed in a recess of the cap that partially defines the second sealed cavity.

USE OF A REACTIVE, OR REDUCING GAS AS A METHOD TO INCREASE CONTACT LIFETIME IN MICRO CONTACT MEMS SWITCH DEVICES

A MEMS device comprises an electro mechanical element in a sealed chamber containing a gas comprising a reactive gas selected to react with any contaminants that may be present or formed on the operating surfaces of the device in a manner to maximize the electrical conductivity of the surfaces during operation of the device. The MEMS device may comprise a MEMS switch having electrical contacts as the operating surfaces. The reactive gas may comprise hydrogen or an azane, optionally mixed with an inert gas, or any combination of the gases. The corresponding process provides a means to substantially reduce or eliminate contaminants present or formed on the operating surfaces of MEMS devices in a manner to maximize the electrical conductivity of the surfaces during operation of the devices.

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.

INERTIAL SENSOR, METHOD FOR MANUFACTURING INERTIAL SENSOR, AND INERTIAL MEASUREMENT UNIT
20230221346 · 2023-07-13 ·

An inertial sensor 1 includes: a base body; a lid body facing the base body; a functional element disposed in a cavity between the base body and the lid body and including a semiconductor layer; an adhesive layer disposed in a peripheral region surrounding the cavity and adhering the base body and the lid body to each other; and a sealer configured to seal a hole which communicates the cavity with an outside and which is disposed in the peripheral region. The sealer is provided in contact with the lid body and the base body, and includes a material of the lid body and a material of the adhesive layer.

Structure for microelectromechanical systems (MEMS) devices to control pressure at high temperature

Various embodiments of the present disclosure are directed towards a method for manufacturing an integrated chip, the method comprises forming an interconnect structure over a semiconductor substrate. An upper dielectric layer is formed over the interconnect structure. An outgas layer is formed within the upper dielectric layer. The outgas layer comprises a first material that is amorphous. A microelectromechanical systems (MEMS) substrate is formed over the interconnect structure. The MEMS substrate comprises a moveable structure directly over the outgas layer.

Methods for fabricating silicon MEMS gyroscopes with upper and lower sense plates

Methods for fabricating MEMS tuning fork gyroscope sensor system using silicon wafers. This provides the possibly to avoid glass. The sense plates can be formed in a device layer of a silicon on insulator (SOI) wafer or in a deposited polysilicon layer in a few examples.

Thin film getter and manufacturing method therefor

A thin film getter is provided. The thin film getter comprises a substrate and an absorption layer on the substrate, wherein the absorption layer comprises a getter material for absorbing target gas and an auxiliary material for providing a moving path of the target gas, and the getter material can be divided into a plurality of getter regions by the auxiliary material.

Method for producing a micromechanical device having a damper structure

A method for producing a micromechanical device having a damper structure. The method includes: (A) providing a micromechanical wafer having a rear side; (B) applying a liquid damper material onto the rear side; (C) pressing a matrix against the rear side in order to form at least one damper structure in the damper material; (D) curing the damper material; and (E) removing the matrix.