Abstract:
This disclosure provides systems, methods and apparatus for glass packaging of integrated circuit (IC) and electromechanical systems (EMS) devices. In one aspect, a glass package may include a glass substrate, a cover glass, one or more devices encapsulated between the glass substrate and the cover glass, and bond pads configured to attach to a flexible connector and in electrical communication with an encapsulated device. In some implementations, a flexible connector may be used to electrically connect a device within the glass package to an electrical component, such as an integrated circuit (IC) device or PCB, outside the glass package.
Abstract:
This disclosure provides systems, methods and apparatus for bonding a device substrate formed of a substantially transparent material to a carrier substrate. A laser etch stop layer may be formed on the device substrate. The carrier substrate may be coated with a releasable layer, such as a polymer layer. Vias may be formed in the device substrate by laser drilling. The vias may be filled with conductive material, e.g., by electroplating or by filling the vias with a conductive paste. One or more types of devices may then be attached to the device substrate and configured for electrical communication with the vias. In some implementations, passive devices may be formed on the device substrate before the vias are formed. Before or after device fabrication, the substrates may be separated. The substrates may be separated by laser irradiation or chemical dissolution of the releasable layer.
Abstract:
Methods of fabricating semiconductor sensor devices include steps of fabricating a hermetically sealed MEMS cavity enclosing a MEMS sensor, while forming conductive vias through the device. The devices include a first semi-conductor layer defining at least one conductive via lined with an insulator and having a lower insulating surface; a central dielectric layer above the first semiconductor layer; a second semiconductor layer in contact with the at least one conductive via, and which defines a MEMS cavity; a third semiconductor layer disposed above the second semiconductor layer, and which includes a sensor element aligned with the MEMS cavity; a cap bonded to the third semiconductor to enclose and hermetically seal the MEMS cavity; wherein the third semiconductor layer separates the cap and the second semiconductor layer.
Abstract:
A wafer-level method of fabricating a chip-to-wafer or wafer-to -wafer semiconductor packages includes etching a cavity 104 into a first semiconductor wafer 118, 102 and etching vias in a bottom of the cavity. The cavity and sidewalls of the vias are selectively metallized. The cavity can be used to house either an electrical circuit component 113 or to contain a device die. A second semiconductor wafer 106 is placed over the cavity-side of the first semiconductor 102 and is sealed to the first semiconductor wafer. A backside 115 of the first semiconductor wafer is thinned to expose metallization 112 in the vias and metal is deposited on the backside to form circuit routing paths 122.
Abstract:
A nozzle arrangement for use in a gas thruster is presented. At least one heater micro structure (20) is arranged in a stagnation chamber (12) of the gas thruster. The heater microstructure (20) comprises a core of silicon or a silicon compound coated by a surface metal or metal compound coating. The heater microstructure (20) is manufactured in silicon or a silicon compound and covered by a surface metal coating. The heater microstructure (20) is mounted in the stagnation chamber (12) before or after the coverage of the surface metal or metal compound coating. The coverage is performed by heating the heater microstructure and flowing a gas comprising low quantities of a metal compound. The compound decomposes at the heated heater microstructure (20), forming the surface metal or metal compound coating. The same principles of coating can be used for repairing the heater microstructure (20) in situ. The driving gas comprises preferably a compound exhibiting an exothermic reaction when coming into contact with a catalytically active material. If the gas is exposed to heater microstructures being covered with the catalytically active material, the gas is further heated by the catalytic reaction.
Abstract:
Briefly, some demonstrative embodiments of the present invention include an interconnection device, e.g., a Systems In Package (SIP) device, or Systems In Chip (SIC) device, including one or more embedded vias. Some demonstrative embodiments of the invention include a process to produce the interconnection device. Other embodiments are described and claimed.
Abstract:
Formation of a structure with through-holes includes attaching two sub-structures to one another. The resulting structure may be used in a sub-assembly for various types of micro components and may serve as a lid or base of a housing that encapsulates one or more micro components. The techniques may provide greater flexibility in the shape of the through-holes and may reduce costs compared with other known techniques.
Abstract:
Die Erfindung befrifft ein modular aufgebautes elektrisches Bauelement mit einem Modulsubstrat vorzugsweise aus Si und mit einem oder mehreren auf diesem Modulsubstrat angeordneten und elektrisch mit ihm verbundenen, vorzugsweise ungehäusten Chips, die jeweils mit dem Modulsubstrat z. B. mittels Direct Wafer Bonding verbunden sind. Im Modulsubstrat ist eine Vertiefung vorgesehen, so dass bei Verbindung des Chips mit dem Modulsubstrat ein geschlossener Hohlraum gebildet wird. Der Hohlraum entsteht dabei nicht durch eine Schutzkappe, die den Chip umschließt und allseitig mit dem Modulsubstrat abschließt, sondern durch die Verbindung der einander gegenüber stehenden Kontaktbereiche der Chipunterseite und der Oberseite des Modulsubstrats. Da im erfindungsgemäßen Bauelement keine Schutzkappe zur Beschaffung des Hohlraums erforderlich ist, kann es kostengünstig hergestellt werden. Die Erfindung hat außerdem den Vorteil gegenüber einer monolithischen Integration der Funktionseinheiten im Hinblick auf die höhere Ausbeute.
Abstract:
A method of enclosing a micromechnical element formed between a base Layer and one or more metallization layers. The method includes forming one or more encapsulating layers over the micromechanical element and providing an encapsulating wall surrounding the element extending between the base layer and the one or more encapsulating layers. An electrical connection is provided between the base layers, and the one or more metallisation layers formed above the micromechanical element.