Switching device and method of fabricating the same

Details Switching device and method of fabricating the same Switching device and method of fabricating the same

H - Electricity

04

Q

H04Q 3/52 (2006.01) B81B 3/00 (2006.01) G02B 6/26 (2006.01) G02B 6/35 (2006.01) G02B 26/08 (2006.01) H04Q 11/00 (2006.01) G02B 6/42 (2006.01)

Patent

CA 2394179

A switching device that receives a plurality of input signals and provides a plurality of output signals has switches arranged in a two- or three- dimensional array configurations. At least two of the switches, which are preferably microelectromechanical or MEMS switches, reside on distinct physical substrate layers in the switching device, and at least one of the signals travels through a penetrable zone of one of the physical substrate layers. Three dimensional switching device blocks can be conveniently arranged in a Clos configuration or other switching configurations to reduce blocking and avoid rearrangement. The switching devices may be used to switch optical signals and may include mirrors as switching elements.

L'invention concerne un dispositif de commutation qui reçoit plusieurs signaux d'entrée et produit plusieurs signaux de sortie. Le dispositif de commutation comporte des commutateurs arrangés dans des configurations de réseaux bidimensionnels ou tridimensionnels. Au moins deux des commutateurs, qui sont des commutateurs mécaniques microélectriques ou commutateurs MEMS, sont installés sur des couches physiques distinctes dans le dispositif de commutation; et au moins un des signaux traverse une zone pénétrable d'une des couches-substrats physiques. Des blocs de dispositifs de commutation tridimensionnels peuvent être arrangés sans inconvénient dans une configuration de Clos ou dans d'autres configurations de commutation permettant de réduire le blocage et d'éviter le réarrangement. Les dispositifs de commutation de l'invention peuvent être utilisés pour commuter des signaux optiques; ils peuvent inclure des miroirs en tant qu'éléments de commutation.

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