Patent classifications
B81B2207/012
MEMS packaging structure and manufacturing method therefor
A micro-electro-mechanical system (MEMS) package structure and a method for fabricating the MEMS package structure. The MEMS package structure includes a MEMS die (200) and a device wafer (100). A control unit and an interconnection structure (300) are formed in the device wafer (100), and a first contact pad (410) and an input-output connecting member (420) are formed on a first bonding surface (100a) of the device wafer (100). The MEMS die (200) is coupled to the first bonding surface (100a) through a bonding layer (500). The MEMS die (200) includes a closed micro-cavity (220) and a second contact pad (220). The first contact pad (410) is electrically connected to a corresponding second contact pad (220). An opening (510) that exposes the input-output connecting member (420) is formed in the bonding layer (500). The MEMS package structure allows electrical interconnection between the MEMS die (200) and the device wafer (100) with a reduced package size, compared to those produced by existing integration techniques. In addition, function integration ability of the package structure is improved by integrating a plurality of MEMS dies of the same or different structures and functions on the same device wafer.
SENSOR DEVICE
A sensor device includes: a sensor portion having a movable thin film and a detection element configured to output a signal corresponding to displacement of the movable thin film; a frame portion disposed to surround an outside of the sensor portion; a spring portion provided between the frame portion and the sensor portion; and a circuit board including a circuit configured to process the signal output from the detection element, in which the frame portion is laminated on the circuit board, and the sensor portion is cantilevered from the frame portion by the spring portion such that a gap is formed between the sensor portion and the circuit board.
Reversible top/bottom MEMS package
A semiconductor device has a base substrate having a plurality of metal traces and a plurality of base vias. An opening is formed through the base substrate. At least one die is attached to the first surface of the substrate and positioned over the opening. A cover substrate has a plurality of metal traces. A cavity in the cover substrate forms side wall sections around the cavity. The cover substrate is attached to the base substrate so the at least one die is positioned in the interior of the cavity. Ground planes in the base substrate are coupled to ground planes in the cover substrate to form an RF shield around the at least one die.
MOBILE DEVICE HAVING A TUBULAR MICROPHONE INTEGRATED INTO A COVER ASSEMBLY
A mobile device may include an enclosure and a rear cover assembly affixed to a back portion of the enclosure. The rear cover assembly may include a protruding portion that extends above a surrounding portion of the rear cover assembly. The protruding portion may include a number of through holes that extend through the protruding portion of the rear cover assembly. In one through hole, a tubular microphone may be provided. The tubular microphone may include a microphone enclosure which may contain a MEMS microphone device, an integrated circuit, and an interposer positioned between the MEMS microphone device and the integrated circuit. A height of the tubular microphone may be substantially similar to a thickness of the protruding portion and the tubular microphone may be entirely or partially disposed within a through hole of the protruding portion.
SEMICONDUCTOR PRESSURE SENSOR FOR HARSH MEDIA APPLICATION
A semiconductor pressure sensor assembly for measuring a pressure of an exhaust gas which contains corrosive components, comprising: a first cavity, a pressure sensor comprising first bondpads for electrical interconnection, a CMOS chip comprising second bondpads for electrical interconnection with the pressure sensor, an interconnection module having electrically conductive paths connected via bonding wires to the pressure sensor and to the CMOS chip; the interconnection module being a substrate with corrosion-resistant metal tracks, wherein the CMOS chip and part of the interconnection module are encapsulated by a plastic package.
MICRO-ELECTRO-MECHANICAL PRESSURE DEVICE AND METHODS OF FORMING SAME
A micro-electro-mechanical pressure sensor device, formed by a cap region and by a sensor region of semiconductor material. An air gap extends between the sensor region and the cap region; a buried cavity extends underneath the air gap, in the sensor region, and delimits a membrane at the bottom. A through trench extends within the sensor region and laterally delimits a sensitive portion housing the membrane, a supporting portion, and a spring portion, the spring portion connecting the sensitive portion to the supporting portion. A channel extends within the spring portion and connects the buried cavity to a face of the second region. The first air gap is fluidically connected to the outside of the device, and the buried cavity is isolated from the outside via a sealing region arranged between the sensor region and the cap region.
MICROELECTROMECHANICAL SYSTEM AND A METHOD OF MANUFACTURING A MICROELECTROMECHANICAL SYSTEM
A microelectromechanical system and a method for manufacturing a microelectromechanical system including: a substrate; a microelectromechanical device including: a diaphragm configured as a transducer to convert between electrical energy and mechanical energy and an electrode coupled to the diaphragm; a support region mechanically coupling the microelectromechanical device to the substrate, wherein the support region is confined to a first continuous region spanning an arc of less than 90 degrees around a perimeter of the diaphragm; and a second continuous region free from mechanical support of the microelectromechanical device to the substrate, the second continuous region spanning the perimeter of the diaphragm from one end of the support region to the other end of the support region; wherein the support region cantilevers the microelectromechanical device and the second continuous region mechanically decouples the microelectromechanical device from the substrate.
MULTIPLE MEMS DEVICE AND METHODS
A method for operating an electronic device comprising a first and second MEMS device and a semiconductor substrate disposed upon a mounting substrate includes subjecting the first MEMS device and the second MEMS device to physical perturbations, wherein the physical perturbations comprise first physical perturbations associated with the first MEMS device and second physical perturbations associated with the second MEMS device, wherein the first physical perturbations and the second physical perturbations are substantially contemporaneous, determining in a plurality of CMOS circuitry formed within the one or more semiconductor substrates, first physical perturbation data from the first MEMS device in response to the first physical perturbations and second physical perturbation data from the second MEMS device in response to the second physical perturbations, determining output data in response to the first physical perturbation data and to the second physical perturbation data, and outputting the output data.
Electric component with sensitive component structures and method for producing an electric component with sensitive component structures
The invention relates to a simple to produce electric component for chips with sensitive component structures. Said component comprises a connection structure and a switching structure on the underside of the chip and a support substrate with at least one polymer layer.
High-voltage reset MEMS microphone network and method of detecting defects thereof
A method of detecting defects in a high impedance network of a MEMs microphone sensor interface circuit. The method includes adding a high-voltage reset switch to a high-voltage high impedance network, closing the high-voltage reset switch during a start-up phase of the MEMs microphone sensor interface circuit, simultaneously closing a low-voltage reset switch of a low-voltage high impedance network during the start-up phase, simultaneously opening the high-voltage reset switch and the low-voltage reset switch at the end of the start-up phase, and detecting a defect in the high-voltage high impedance network or the low-voltage high impedance network immediately after opening the high-voltage reset switch and the low-voltage reset switch.