B81B7/0054

MICROMECHANICAL COMPONENT
20190284043 · 2019-09-19 · ·

A micromechanical component includes a substrate that extends along a main extension plane of the micromechanical component, the micromechanical component including a drive mass which is suspended on the substrate via a drive spring of the micromechanical component so as to be able to move relative to the substrate, the micromechanical component including a test mass that is movably suspended relative to the drive mass, the drive spring being disposed in such a way that the drive mass and/or the test mass surround(s) the drive spring at least in part essentially parallel to the main extension plane.

MEMS SWITCH AND MANUFACTURE METHOD
20240166496 · 2024-05-23 ·

The present disclosure provides a flexible MEMS switch, including an MEMS body and a packaging body outside the MEMS body, the packaging body includes a first flexible cover plate and a second flexible cover plate arranged at two opposite sides of the MEMS body respectively, a first cavity is formed between the first flexible cover plate and the MEMS body, and a second cavity is formed between the second flexible cover plate and the MEMS body. The present disclosure further provides a method for manufacturing the flexible MEMS switch.

DEVICE, SYSTEM AND METHOD FOR STRESS-SENSITIVE COMPONENT ISOLATION IN SEVERE ENVIRONMENTS
20190178904 · 2019-06-13 ·

A system, device and method for stress-sensitive component isolation in severe environments are disclosed. For example, a device for stress-sensitive component isolation is disclosed, which includes a circuit board assembly, a plurality of electronic components mounted onto a surface of the circuit board assembly, and a protective cap disposed over at least one electronic component and mounted onto the surface of the circuit board assembly. The protective cap can be filled with a low modulus material if additional structural support is desired for the electronic component.

STRUCTURES FOR PACKAGING STRESS-SENSITIVE MICRO-ELECTRO-MECHANICAL SYSTEM STACKED ONTO ELECTRONIC CIRCUIT CHIP

A packaged micro-electro-mechanical system (MEMS) device (100) comprises a circuitry chip (101) attached to the pad (110) of a substrate with leads (111), and a MEMS (150) vertically attached to the chip surface by a layer (140) of low modulus silicone compound. On the chip surface, the MEMS device is surrounded by a polyimide ring (130) with a surface phobic to silicone compounds. A dome-shaped glob (160) of cured low modulus silicone material covers the MEMS and the MEMS terminal bonding wire spans (180); the glob is restricted to the chip surface area inside the polyimide ring and has a surface non-adhesive to epoxy-based molding compounds. A package (190) of polymeric molding compound encapsulates the vertical assembly of the glob embedding the MEMS, the circuitry chip, and portions of the substrate; the molding compound is non-adhering to the glob surface yet adhering to all other surfaces.

Wafer level packaging for MEMS device

A microelectromechanical system (MEMS) device is disclosed. The MEMS device includes a device substrate with a top device surface and a bottom device surface having a MEMS component in a device region. A top device bond ring is disposed on the top device surface surrounding the device region and a bottom device bond ring is disposed on the bottom device surface surrounding the device region. A top cap with a top cap bond ring is bonded to the top device bond ring by a top eutectic bond and a bottom cap with a bottom cap bond ring is bonded to the bottom device bond ring by a bottom eutectic bond. The eutectic bonds encapsulate the MEMS device.

WAFER LEVEL PACKAGING FOR MEMS DEVICE

A microelectromechanical system (MEMS) device is disclosed. The MEMS device includes a device substrate with a top device surface and a bottom device surface having a MEMS component in a device region. A top device bond ring is disposed on the top device surface surrounding the device region and a bottom device bond ring is disposed on the bottom device surface surrounding the device region. A top cap with a top cap bond ring is bonded to the top device bond ring by a top eutectic bond and a bottom cap with a bottom cap bond ring is bonded to the bottom device bond ring by a bottom eutectic bond. The eutectic bonds encapsulate the MEMS device.

Structures for packaging stress-sensitive micro-electro-mechanical system stacked onto electronic circuit chip

A packaged micro-electro-mechanical system (MEMS) device (100) comprises a circuitry chip (101) attached to the pad (110) of a substrate with leads (111), and a MEMS (150) vertically attached to the chip surface by a layer (140) of low modulus silicone compound. On the chip surface, the MEMS device is surrounded by a polyimide ring (130) with a surface phobic to silicone compounds. A dome-shaped glob (160) of cured low modulus silicone material covers the MEMS and the MEMS terminal bonding wire spans (180); the glob is restricted to the chip surface area inside the polyimide ring and has a surface non-adhesive to epoxy-based molding compounds. A package (190) of polymeric molding compound encapsulates the vertical assembly of the glob embedding the MEMS, the circuitry chip, and portions of the substrate; the molding compound is non-adhering to the glob surface yet adhering to all other surfaces.

METHODS AND APPARATUS FOR SEMICONDUCTOR PACKAGES WITH WINDOW ASSEMBLIES
20240228265 · 2024-07-11 ·

Systems, apparatus, articles of manufacture, and methods to reduce delamination of layers in semiconductor packages with window assemblies are disclosed. An apparatus comprising: a translucent panel, a semiconductor substrate, a stack of bonding materials between the translucent panel and the semiconductor substrate, and a buffer material extending along a lateral side of the stack of bonding materials.

PHYSICAL QUANTITY SENSOR, COMPLEX SENSOR, INERTIAL MEASUREMENT UNIT, PORTABLE ELECTRONIC DEVICE, ELECTRONIC DEVICE, AND VEHICLE
20190049483 · 2019-02-14 ·

A physical quantity sensor includes a sensor element, and a container (package) that stores the sensor element on a bottom plate (first base material). An outer edge of the container has a rectangular shape in a plan view. Lengths of each side of the rectangular shape are 2.0 mm or more and 7.0 mm or less, a thickness of the container is 0.50 mm or more and less than 1.85 mm, and when a thickness of the bottom plate is t, 0.4 mmt1.1 mm is satisfied.

Reduced stress pressure sensor

A pressure sensor comprises a first substrate containing a processing circuit integrated thereon and a cap attached to the first substrate. The cap includes a container, a holder, and one or more suspension elements for suspending the container from the holder. The container includes a cavity and a deformable membrane separating the cavity and a port open to an outside of the pressure sensor. The container is suspended from the holder such that the deformable membrane faces the first substrate and such that a gap is provided between the deformable membrane and the first substrate which gap contributes to the port. Sensing means are provided for converting a response of the deformable membrane to pressure at the port into a signal capable of being processed by the processing circuit.