B81B3/0075

OPTICAL SCANNING DEVICE AND METHOD FOR MANUFACTURING THE SAME, AND DISTANCE MEASURING DEVICE

An optical scanning device includes a reflector as a MEMS mirror having a reflection surface of a metal film, a support body, a drive beam, and a drive unit. The support body is disposed to be spaced from the reflector so as to surround the reflector. The drive beam connects the reflector and the support body. A first protection film is formed all over opposite side surfaces including side wall surfaces of a second semiconductor layer, as well as an upper surface and a lower surface, in the drive beam. As the first protection film, a silicon oxide film, a silicon nitride film, an alumina film, or a titania film is formed by an atomic layer deposition method.

Actuator device

An actuator device includes: a support portion; a movable portion; a first connection portion connecting the movable portion to the support portion on a first axis so that the movable portion is swingable around the first axis; and a first wiring provided on the first connection portion. The first wiring includes a first main body formed of a metal material having a Vickers hardness of 50 HV or more. The first main body includes a first surface facing the first connection portion and a second surface other than the first surface. The second surface has a shape in which a curvature is continuous over the entire second surface in a cross-section perpendicular to an extension direction of the first wiring.

MICROMECHANICAL FUNCTIONAL ASSEMBLY WITH A TRIBOLOGICAL COATING

A micromechanical functional assembly including at least one first part with a first functional surface intended to enter into frictional contact with a second functional surface, the second functional surface belonging either to the first part or to at least one second part constituting with the first part the functional assembly, wherein the functional assembly includes the first functional surface and the second functional surface are formed by a first layer including ultrananocrystalline, nanocrystalline or microcrystalline diamond, the first layer being topped by a second layer including S and F atoms. It also relates to the method for functionalising diamond.

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.

ACTUATOR DEVICE
20220050285 · 2022-02-17 · ·

An actuator device includes: a support portion; a movable portion; a first connection portion connecting the movable portion to the support portion on a first axis so that the movable portion is swingable around the first axis; and a first wiring provided on the first connection portion. The first wiring includes a first main body formed of a metal material having a Vickers hardness of 50 HV or more. The first main body includes a first surface facing the first connection portion and a second surface other than the first surface. The second surface has a shape in which a curvature is continuous over the entire second surface in a cross-section perpendicular to an extension direction of the first wiring.

DURABLE, HEAT-RESISTANT MULTI-LAYER COATINGS AND COATED ARTICLES

An article having a surface treated to provide a protective coating structure in accordance with the following method: vapor depositing a first layer on a substrate, wherein said first layer is a metal oxide adhesion layer selected from the group consisting of an oxide of a Group IIIA metal element, a Group IVB metal element, a Group VB metal element, and combinations thereof; vapor depositing a second layer upon said first layer, wherein said second layer includes a silicon-containing layer selected from the group consisting of silicon oxide, silicon nitride, and silicon oxynitride; and vapor depositing a third layer upon said second layer, wherein said third layer is a functional organic-comprising layer, wherein said functional organic-comprising layer is a SAM.

COMPOSITE SPRING STRUCTURE TO REINFORCE MECHANICAL ROBUSTNESS OF A MEMS DEVICE
20220306454 · 2022-09-29 ·

Various embodiments of the present disclosure are directed towards a microelectromechanical systems (MEMS) structure including a composite spring. A first substrate underlies a second substrate. A third substrate overlies the second substrate. The first, second, and third substrates at least partially define a cavity. The second substrate comprises a moveable mass in the cavity and between the first and third substrates. The composite spring extends from a peripheral region of the second substrate to the moveable mass. The composite spring is configured to suspend the moveable mass in the cavity. The composite spring includes a first spring layer comprising a first crystal orientation, and a second spring layer comprising a second crystal orientation different than the first crystal orientation.

ELECTRONIC DEVICE AND METHOD OF MANUFACTURING THE ELECTRONIC DEVICE
20170267517 · 2017-09-21 ·

According to one embodiment, an electronic device includes a base region, an element portion located on the base region, the element portion including a movable portion, and a protective film overlying the element portion and forming a cavity on an inner side of the protective film. The protective film includes a first protective layer and a second protective layer located on the first protective layer. A hole extends in a direction parallel to a main surface of the base region, and the second protective layer covers the hole.

MEMBRANE OF AMORPHOUS CARBON AND MEMS INCLUDING SUCH A MEMBRANE
20170260041 · 2017-09-14 ·

A microelectromechanical system includes a membrane of amorphous carbon having a thickness between 1 nm and 50 nm, and for example between 3 nm and 20 nm.

Actuator device

An actuator device includes: a support portion; a movable portion; a first connection portion connecting the movable portion to the support portion on a first axis so that the movable portion is swingable around the first axis; and a first wiring provided on the first connection portion. The first wiring includes a first main body formed of a metal material having a Vickers hardness of 50 HV or more. The first main body includes a first surface facing the first connection portion and a second surface other than the first surface. The second surface has a shape in which a curvature is continuous over the entire second surface in a cross-section perpendicular to an extension direction of the first wiring.