B81C1/0015

Method for processing a monocrystalline substrate and micromechanical structure

In various embodiments, a method of processing a monocrystalline substrate is provided. The method may include severing the substrate along a main processing side into at least two monocrystalline substrate segments, and forming a micromechanical structure comprising at least one monocrystalline substrate segment of the at least two substrate segments.

MICROELECTRONIC SENSOR DEVICE WITH AN OUT-OF-PLANE DETECTION HAVING A CONTROLLED CROSS SENSITIVITY

Microelectromechanical sensor with an out-of-plane detection has a cross sensitivity in a first direction in the plane with a value of S.sub.T, the sensor comprising a support, a mass suspended from the support by beams stressed by bending, in such a way that the inertial mass is capable of moving with respect to the support about an axis of rotation contained in a plane of the sensor, a stress gauge suspended between the mass and the support. The bending beams have a dimension t.sub.f in the out-of-plane direction and the mass has a dimension t.sub.M in the out-of-plane direction such that t.sub.f=(t.sub.M2l.sub.armS.sub.T). L.sub.arm is the distance between the centre of gravity of the mass and the centre of the bending beams projected onto the first direction.

Micro-electro-mechanical system (MEMS) structures and design structures

Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and design structures are disclosed. The method includes forming a Micro-Electro-Mechanical System (MEMS) beam structure by venting both tungsten material and silicon material above and below the MEMS beam to form an upper cavity above the MEMS beam and a lower cavity structure below the MEMS beam.

Micro-electro-mechanical system (MEMS) structures and design structures

Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and design structures are disclosed. The method includes forming a Micro-Electro-Mechanical System (MEMS) beam structure by venting both tungsten material and silicon material above and below the MEMS beam to form an upper cavity above the MEMS beam and a lower cavity structure below the MEMS beam.

Micro Devices Formed by Flex Circuit Substrates
20200084892 · 2020-03-12 ·

Disclosed is a flexible electronic circuit substrate that includes a device that is fabricated from layers of the flexible electronic circuit substrate as part of construction of the flexible electronic circuit substrate. Such devices could be functional units such as micro electro mechanical devices (MEMS) devices such as micro-accelerometer sensor elements, micro flow sensors, micro pressure sensors, etc.

Planar cavity MEMS and related structures, methods of manufacture and design structures

A method of forming a Micro-Electro-Mechanical System (MEMS) includes forming a lower electrode on a first insulator layer within a cavity of the MEMS. The method further includes forming an upper electrode over another insulator material on top of the lower electrode which is at least partially in contact with the lower electrode. The forming of the lower electrode and the upper electrode includes adjusting a metal volume of the lower electrode and the upper electrode to modify beam bending.

Fence structure to prevent stiction in a MEMS motion sensor

The present disclosure relates to a microelectromechanical systems (MEMS) package featuring a flat plate having a raised edge around its perimeter serving as an anti-stiction device, and an associated method of formation. A CMOS IC is provided having a dielectric structure surrounding a plurality of conductive interconnect layers disposed over a CMOS substrate. A MEMS IC is bonded to the dielectric structure such that it forms a cavity with a lowered central portion the dielectric structure, and the MEMS IC includes a movable mass that is arranged within the cavity. The CMOS IC includes an anti-stiction plate disposed under the movable mass. The anti-stiction plate is made of a conductive material and has a raised edge surrounding at least a part of a perimeter of a substantially planar upper surface.

Micro-electro-mechanical system (MEMS) structures and design structures

Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and design structures are disclosed. The method includes forming a Micro-Electro-Mechanical System (MEMS) beam structure by venting both metal material and silicon material above and below the MEMS beam to form an upper cavity above the MEMS beam and a lower cavity structure below the MEMS beam.

Integrated semiconductor device and manufacturing method

The present disclosure relates to an integrated semiconductor device, comprising a semiconductor substrate; a cavity formed into the semiconductor substrate; a sensor portion of the semiconductor substrate deflectably suspended in the cavity at one side of the cavity via a suspension portion of the semiconductor substrate interconnecting the semiconductor substrate and the sensor portion thereof, wherein an extension of the suspension portion along the side of the cavity is smaller than an extension of said side of the cavity.

PLANAR CAVITY MEMS AND RELATED STRUCTURES, METHODS OF MANUFACTURE AND DESIGN STRUCTURES
20200024127 · 2020-01-23 ·

A method of forming a Micro-Electro-Mechanical System (MEMS) includes forming a lower electrode on a first insulator layer within a cavity of the MEMS. The method further includes forming an upper electrode over another insulator material on top of the lower electrode which is at least partially in contact with the lower electrode. The forming of the lower electrode and the upper electrode includes adjusting a metal volume of the lower electrode and the upper electrode to modify beam bending.