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US6204737B1
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Piezoelectric resonator structures with a bending element performing a voltage controlled switching function
Assignee: Avago Technologies International Sales Pte Ltd
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Filing: 1999-05-27
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Granted: 2001-03-20
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Expires: 2019-05-27
Abstract
Abstract The invention relates to resonator structures of radio communication apparatus. According to the invention, a micromechanical switch and a resonator are realized in a single combined structure. Combination of switch and resonator structures allows the manufacture of very compact filter and resonator structures needed for multi-system mobile communication means.
Inventors
- 👤 Juha Ellä
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:03
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/46; H03H9/54; H03H9/58; H03H9/582; H03H9/583; H03H9/585; H01; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/127; H03H9/02; H03H9/05; H03H9/0538; H03H9/0547; H03H9/15; H03H9/17; H03H9/171; H03H9/172; H03H9/173; H03H9/174; H03H9/175; H03H9/545; H03H9/586; H03H9/587; H03H9/60; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/20; H01H1/0036; H01H2001/0052; H01H2001/0057; H01H59/00; H01H59/0009
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
73 words
A resonator structure comprising a resonator having a piezoelectric layer, wherein the resonator structure comprises: a first conductor and a second conductor for conducting a control voltage, at least one of said first and second conductors being in contact with said piezoelectric layer for forming an electrode of the resonator, and a bending element for performing a switching function as a response to a control voltage applied to said first and second conductors.
Claim 2
Dependent Claim
73 words
A resonator structure comprising a resonator having a piezoelectric layer, wherein the resonator structure comprises: a first conductor and a second conductor for conducting a control voltage, at least one of said first and second conductors being in contact with said piezoelectric layer for forming an electrode of the resonator, and a bending element for performing a switching function as a response to a control voltage applied to said first and second conductors.
Claim 3
Dependent Claim
18 words
A resonator structure according to claim 1 , characterized in that the piezoelectric layer is said bending element.
Claim 4
Dependent Claim
29 words
A resonator structure according to claim 1 , characterized in that the structure comprises a supporting layer for supporting said piezoelectric layer, said supporting layer being said bending element.
Claim 5
Dependent Claim
25 words
A resonator structure according to claim 1 , characterized in that the resonator structure comprises a cantilever element said cantilever element being said bending element.
Claim 6
Dependent Claim
19 words
A resonator structure according to claim 1 , characterized in that said resonator is a bulk acoustic wave resonator.
Claim 7
Dependent Claim
19 words
A resonator structure according to claim 1 , characterized in that the resonator structure comprises at least one filter.
Claim 8
Dependent Claim
77 words
Mobile communication means, characterized in that the mobile communication means comprises a resonator structure, which resonator structure comprises a first conductor and a second conductor for conducting a switch function control voltage, at least one of said first and second conductors being in contact with said piezoelectric layer for forming an electrode of the resonator, a bending element for performing the switching function as a response to a control voltage applied to said first and second conductors.
Claim 9
Dependent Claim
77 words
Mobile communication means, characterized in that the mobile communication means comprises a resonator structure, which resonator structure comprises a first conductor and a second conductor for conducting a switch function control voltage, at least one of said first and second conductors being in contact with said piezoelectric layer for forming an electrode of the resonator, a bending element for performing the switching function as a response to a control voltage applied to said first and second conductors.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-03-19 | 2004-09-18 | 2005-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-03-19 | 2008-09-18 | 2009-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-03-19 | 2012-09-18 | 2013-03-20 | $7700.00 | Window Closed / Lapsed |