Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Ball or nail head type contact – lead – or bond
Reexamination Certificate
2002-02-11
2004-07-20
Nadav, Ori (Department: 2811)
Active solid-state devices (e.g., transistors, solid-state diode
Combined with electrical contact or lead
Ball or nail head type contact, lead, or bond
C257S781000, C257S785000, C257S786000, C310S309000, C310S328000, C200S181000, C200S522000
Reexamination Certificate
active
06765300
ABSTRACT:
FIELD OF THE INVENTION
The invention relates generally to microstructures and particularly to relays and switches or valves formed from microstructures.
BACKGROUND OF THE INVENTION
Electrical relays are widely used in various applications. Such applications include, for example, the selection of different electrical paths or the opening or closing of an electrical circuit.
Typically, relays include a coil and mechanical components for engaging and disengaging a pair of contacts. Upon energizing the coil, an electromagnetic field is generated to engage the contacts, forming the electrical connection.
There is now a demand for the miniaturization of consumer goods (e.g., electronic and telecommunication products) or electronic equipments (e.g., automated test equipment), which creates a corresponding need to reduce the size of relays. However, conventional electromechanical relays do not lend easily to miniaturization. For example, there is a limit as to the size of coils that can be reduced. Such limitations reduce the extent of miniaturization of products using relays.
The above discussion evidences a need to provide a relay design that allows for further miniaturization.
REFERENCES:
patent: 5479042 (1995-12-01), James et al.
patent: 5544001 (1996-08-01), Ichiya et al.
patent: 5629565 (1997-05-01), Schlaak et al.
patent: 6483056 (2002-11-01), Hyman et al.
patent: 4205340 (1993-08-01), None
See PCT International Search Report for any references that are not enclosed herewith.
Foo Pang Dow
Krupka Kay
Samper Victor D.
Schlaak Helmut
Sridhar Uppili
Nadav Ori
Tyco Electronics Logistics AG
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