TORSIONAL MEMS DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jan 7, 2010
app pub date -
Aug 31, 2008
filing date -
Jul 2, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A torsional MEMS device is disclosed. The torsional MEMS device includes a support structure, a platform, and at least two hinges, which connects the platform to the support structure. The platform has an active area and a non-active area. A plurality of sacrificial elements is disposed in the non-active area. If the resonant frequency of the torsional MEMS device is less than a predetermined standard resonant frequency of the torsional MEMS device, at least one sacrificial element is removed to reduce the total mass of the torsional MEMS device, and so as to increase the resonant frequency of the torsional MEMS device.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
TW | B | TWI353334 | Jul 02, 2008 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT OR PATENT OF ADDITION | Torsional mems device | Dec 01, 2011 | |||
US | B2 | US7938977 | Feb 10, 2010 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT AS SECOND PUBLICATION | Method of modulating resonant frequency of torsional MEMS device | May 10, 2011 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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TOUCH MICRO-SYSTEM TECHNOLOGY INC | NO 566 GAOSHIH RD YANGMEI TOWNSHIP TAOYUAN COUNTY |
International Classification(s)

- 2008 Application Filing Year
- G02B Class
- 4549 Applications Filed
- 3050 Patents Issued To-Date
- 67.05 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Ho, Hsien-Lung | Taipei County, TW | 23 | 161 |
# of filed Patents : 23 Total Citations : 161 | |||
Huang, Long-Sun | Taipei City, TW | 24 | 102 |
# of filed Patents : 24 Total Citations : 102 |
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Patent Citation Ranking
- 0 Citation Count
- G02B Class
- 0 % this patent is cited more than
- 15 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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