An integrated circuit and the method to produce the integrated circuit comprising: a substrate (10); active devices (11); plurality of metal layers (17), wherein said metal layers are separated by dielectric layers (13) and connected to each other by plurality of vias (19); at least one micromechanical region (15) wherein some of the dielectric layers are removed leaving hollow spaces (23), thereby some of said metal and via layers form a micromechanical device in said micromechanical region, wherein said micromechanical device comprises at least one multi-layer structure (165) that is built of a plurality of metal layers and at least one via layer and said multi-layer structure is characterized by that at least two metal layers of said multi-layer structure are joined by at least one modified via (41).

A micro-electro-mechanical (MEMS) structure and a method for forming the same are disclosed. The MEMS structure includes a sacrificial layer, a lower dielectric film, an upper dielectric film, a plurality of through holes and a protective film. The sacrificial layer comprises an opening. The lower dielectric film is on the sacrificial layer. The upper dielectric film is on the lower dielectric film. The plurality of through holes passes through the lower dielectric film and the upper dielectric film. The protective film covers side walls of the upper dielectric film and the lower dielectric film and a film interface between the lower dielectric film and the upper dielectric film.

An integrated circuit and the method to produce the integrated circuit comprising: a substrate (10); active devices (11); plurality of metal layers (17), wherein said metal layers are separated by dielectric layers (13) and connected to each other by plurality of vias (19); at least one micromechanical region (15) wherein some of the dielectric layers are removed leaving hollow spaces (23), thereby some of said metal and via layers form a micromechanical device in said micromechanical region, wherein said micromechanical device comprises at least one multi-layer structure (165) that is built of a plurality of metal layers and at least one via layer and said multi-layer structure is characterised by that at least two metal layers of said multi-layer structure are joined by at least one modified via (41).

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.

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 the 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 the first layer, wherein the 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 the second layer, wherein the third layer is a functional organic-comprising layer, wherein the functional organic-comprising layer is a SAM.

A micro-electro-mechanical (MEMS) structure and a method for forming the same are disclosed. The MEMS structure includes a sacrificial layer, a lower dielectric film, an upper dielectric film, a plurality of through holes and a protective film. The sacrificial layer comprises an opening. The lower dielectric film is on the sacrificial layer. The upper dielectric film is on the lower dielectric film. The plurality of through holes passes through the lower dielectric film and the upper dielectric film. The protective film covers side walls of the upper dielectric film and the lower dielectric film and a film interface between the lower dielectric film and the upper dielectric film.

A method of manufacturing a resonance device includes preparing a resonance device and adjusting a frequency of the resonator. The resonance device includes a lower lid, an upper lid joined to the lower lid, and a resonator with vibration arms that vibrate in bending vibration in an interior space between the lower and upper lids. The adjusting of the frequency of the resonator includes vibrating the vibration arms in bending vibration and thereby causing respective ends of the arms to strike the lower lid at an impact speed of 3.5?10.sup.3 ?m/sec or more. The ends of the vibration arms are made of silicon oxide, and the lower lid is made of silicon.

A high sensitivity microphone includes a substrate having a through portion provided in a central portion thereof, a vibration membrane disposed on the substrate and covering the through portion, a fixed membrane installed above the vibration membrane, spaced apart from the vibration membrane with an air layer interposed therebetween, and having a plurality of air inlets perforated in a direction toward the air layer, and a plurality of support posts provided as vertical elastic posts between the fixed membrane and the vibration membrane and mechanically fixing the vibration membrane by a frictional force, regardless of an applied voltage.

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.

The present disclosure discloses a MEMS microphone including a shell, a substrate assembled with the shell for forming a receiving space, an ASIC Die, a MEMS Die including a diaphragm and a back plate, and an elastic member. The diaphragm divides the receiving space into a front chamber and a rear chamber, the substrate comprises a first acoustic hole, a second acoustic hole, a connecting channel, and a ventilation hole, the MEMS Die covers the first acoustic hole which is communicating with the front chamber, the ventilation hole is communicating with the connecting channel and the rear chamber, the elastic member covering the ventilation hole is used for opening or closing the ventilation hole. Compared with the related art, a MEMS microphone disclosed by the present disclosure could have with high blowout resistance.