B81C1/00142

MICRO-ELECTROMECHANICAL SYSTEM PACKAGE HAVING MOVABLE PLATFORM
20230002214 · 2023-01-05 ·

A MEMS package including a fixed frame, a moveable platform and elastic restoring members is provided. The moveable platform is moved with respect to the fixed frame. The elastic restoring members are connected between the fixed frame and the moveable platform, and used to restore the moved moveable platform to an original position.

METHOD FOR FORMING FREESTANDING MICROSTRUCTURES ON A DIAMOND CRYSTAL AND DIAMOND CRYSTAL
20230002932 · 2023-01-05 ·

A method for forming at least one freestanding microstructure on a diamond crystal includes the step of removing material from the diamond crystal so as to form a structured surface, wherein the removing of the material includes creating at least two trenches, each trench having a bottom and two side walls and wherein adjacent side walls of the at least two trenches form side walls of the structured surface. The method also includes the steps of depositing at least one masking layer on the structured surface, removing at least a portion of the at least one masking layer from the bottom of each of the at least two trenches, removing additional material from the diamond crystal at least along the side walls so as to deepen the trenches, and undercutting the diamond crystal so as to form the freestanding microstructure.

Sensor package having a movable sensor

A sensor package including a fixed frame, a moveable platform, elastic restoring members and a sensor chip is provided. The moveable platform is moved with respect to the fixed frame, and used to carry the sensor chip. The elastic restoring members are connected between the fixed frame and the moveable platform, and used to restore the moved moveable platform to an original position. The sensor chip is arranged on the elastic restoring members to send detected data via the elastic restoring members.

MEMS element with increased density
11603312 · 2023-03-14 · ·

A microelectromechanical device comprising a mobile rotor in a silicon wafer. The rotor comprises one or more high-density regions. The one or more high-density regions in the rotor comprise at least one high-density material which has a higher density than silicon. The one or more high-density regions have been formed in the silicon wafer by filling one or more fill trenches in the rotor with the at least one high-density material. The one or more fill trenches have a depth/width aspect ratio of at least 10, and the one or more fill trenches have been filled by depositing the high-density material into the fill trenches in an atomic layer deposition (ALD) process.

Micro-electromechanical system package having movable platform

A MEMS package including a fixed frame, a moveable platform and elastic restoring members is provided. The moveable platform is moved with respect to the fixed frame. The elastic restoring members are connected between the fixed frame and the moveable platform, and used to restore the moved moveable platform to an original position.

Method of processing a wafer for manufacturing an oscillating structure such as a micro-mirror

To manufacture an oscillating structure, a wafer is processed by: forming torsional elastic elements; forming a mobile element connected to the torsional elastic elements; processing the first side of the wafer to form a mechanical reinforcement structure; and processing the second side of said wafer by steps of chemical etching, deposition of metal material, and/or deposition of piezoelectric material. Processing of the first side of the wafer is carried out prior to processing of the second side of the wafer so as not to damage possible sensitive structures formed on the first side of the wafer.

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-sensor body and method for manufacturing the same, as well as micro-sensor
09796577 · 2017-10-24 · ·

The present disclosure relates to the field of sensor manufacturing technology, particularly discloses a method for manufacturing a micro-sensor body, comprising the steps of S1: applying a wet colloidal material on a substrate to form a colloidal layer, and covering a layer of one-dimensional nanowire film on the surface of the colloidal layer to form a sensor embryo; S2: drying the colloidal layer of the sensor embryo to an extent that the colloidal layer cracks into a plurality of colloidal islands, a portion of the one-dimensional nanowire film contracting into a contraction diaphragm adhered to the surface of the colloidal islands while the other portion of the one-dimensional nanowire film being stretched into a connection structure connected between the adjacent contraction diaphragms. By the method for manufacturing a micro-sensor body of the present disclosure, the contraction diaphragms and connection structures formed by stretching the one-dimensional nanowire film are connected stably, which enhances the stability of the sensor devices; and the cracking manner renders it easy to obtain a large-scale of sensor bodies with connection structure arrays in stable suspension.

MICRO-ELECTROMECHANICAL DEVICE HAVING A SOFT MAGNETIC MATERIAL ELECTROLESSLY DEPOSITED ON A METAL LAYER
20210395080 · 2021-12-23 ·

A micro-electromechanical device and method of manufacture are disclosed. A sacrificial layer is formed on a silicon substrate. A metal layer is formed on a top surface of the sacrificial layer. Soft magnetic material is electrolessly deposited on the metal layer to manufacture the micro-electromechanical device. The sacrificial layer is removed to produce a metal beam separated from the silicon substrate by a space.

High-volume millimeter scale manufacturing

A method for manufacturing a millimeter scale electromechanical device includes coupling a stainless steel ply to a polymer carrier ply, coating the stainless steel ply in a photo resist material, masking the photoresist material, exposing the photoresist material to cure a portion of the photoresist material, developing the photoresist material to remove uncured photoresist material from the stainless steel ply, chemically etching the stainless steel ply to remove a patterned portion of the stainless steel ply, dissolving the polymer carrier ply to release unwanted chips of the stainless steel ply, and adhering the patterned stainless steel ply to a flexible material ply to form a sub-laminate.