A tuneable resonator

H - Electricity – 03 – B

Patent

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Details

H03B 5/32 (2006.01) H03H 3/02 (2006.01) H03H 9/17 (2006.01)

Patent

CA 2569533

The invention discloses a tuneable resonator (100, 200, 300, 500, 600, 700, 900) with a substrate layer (140, 260, 360, 560, 660, 960), which substrate layer supports a structure with a first electrode (130, 240, 350, 550, 650). In connection to the first electrode there is arranged a layer (120, 230, 330, 530, 630, 930) of a material which can be brought to resonate. The resonator further comprises a second electrode (110, 210, 310, 510, 610, 710, 910) arranged in connection to said material which can be brought to resonate, and the material which can be brought to resonate is a ferroelectric material. The ferroelectric material is brought into resonance by applying an electrical field (DC, AC) between the first and the second electrode, the tuning being achieved by varying the electrical field.

L'invention concerne un résonateur accordable (100, 200, 300, 500, 600, 700, 900) pourvu d'une couche de substrat (140, 260, 360, 560, 660, 960) qui supporte une structure dotée d'une première électrode (130, 240, 350, 550, 650). En connexion à la première électrode se trouve une couche (120, 230, 330, 530, 630, 930) d'une matière qui peut être amenée à résonner. Ledit résonateur comporte une seconde électrode (110, 210, 310, 510, 610, 710, 910) en connexion avec ladite matière qui peut être amenée à résonner et qui constitue une matière ferroélectrique. Cette matière ferroélectrique est amenée en résonance par application d'un champ électrique (c.c., c.a.) entre les première et seconde électrodes, ledit accord étant réalisé par variation du champ électrique.

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