Abstract:
A method of fabricating and packaging an ohmic micro-electro-mechanical system (MEMS) switch device may comprise constructing the switch device on an insulating substrate. The switch device may have contacts that consist of a platinum- group metal. The method may further comprise forming an oxidized layer of the platinum-group metal on an outer surface of each of the one or more contacts. The method may further comprise bonding an insulating cap to the insulating substrate, to hermetically seal the switch device. The bonding may occur in an atmosphere that has a proportion of oxygen within a range of 0.5% to 30%, such that, after the switch device has been hermetically sealed within the sealed cavity, an atmosphere within the sealed cavity has a proportion of oxygen within the range of 0.5% to 30%. The platinum-group metal may be ruthenium, and the oxidized layer of the platinum-group metal may be ruthenium dioxide.
Abstract:
A system and method for analyzing a chemical composition of a specimen are described. The system can include at least one pin; a sampling device configured to contact a liquid with a specimen on the at least one pin to form a testing solution; and a stepper mechanism configured to move the at least one pin and the sampling device relative to one another. The system can also include an analytical instrument for determining a chemical composition of the specimen from the testing solution. In particular, the systems and methods described herein enable chemical analysis of specimens, such as tissue, to be evaluated in a manner that the spatial-resolution is limited by the size of the pins used to obtain tissue samples, not the size of the sampling device used to solubilize the samples coupled to the pins.
Abstract:
Methods and systems of assembling and making laminated electro-mechanical systems and structures are described. A plurality of structural layers (104, 106, 108, 110, 112, 114) are formed that include at least one structural layer having a movable element (108) formed therein. The plurality of structural layers (104, 106, 108, 110, 112, 114) are stacked and aligned into a stack (116). Each structural layer in the stack is attached to an adjacent structural layer of the stack.
Abstract:
The invention relates to an electromagnetic relay comprising a coil (1), a core (2), an armature (4), moveable and fixed contacts (5, 9), an armature spring (14), an armature spring support (13), as well as relay connections. The fixed contacts, the armature spring support and the relay connections are integrated as one piece in a three-dimensional printed circuit board. The invention also relates to a method for producing the relay.
Abstract:
The electromagnet system has a bent yoke (3) and a round core (4) having a uniform cross-section from its pole end (4a) to its securing end (4b) but a conical section (4c) widening outwards. The pole end (4a) of the core (4) is first inserted from the outside into a drilling (3c) in the yoke and adjusted and secured by pulsed shocks. This makes it possible to obtain a uniformly reliable solid seat with relatively light joining forces. Knocking the core in with pulsed shocks requires no backing by the relay structure as the counter-force is primarily provided by the inertia of the yoke and the coil system.
Abstract:
An electromagnetic switching device comprises a housing containing a switch contact space and a connection contact space, and a driving space formed by a basic body in which the magnet and coil are lodged. The parts of the connection contacts and coil connections of the pre-assembled contact carrier with return spring and of a switch space cover with an insertion device that can be releasably fastened to said cover, which are to be accommodated in the housing, are assembled in succession from a direction perpendicular to the sliding direction of the contact carrier and retained by interlocking connections.