WO2002103818A3 - Electro-active elements & devices - Google Patents
Electro-active elements & devices Download PDFInfo
- Publication number
- WO2002103818A3 WO2002103818A3 PCT/GB2002/002854 GB0202854W WO02103818A3 WO 2002103818 A3 WO2002103818 A3 WO 2002103818A3 GB 0202854 W GB0202854 W GB 0202854W WO 02103818 A3 WO02103818 A3 WO 02103818A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electro
- elongate member
- activation
- curve
- extend along
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
- H10N30/2044—Cantilevers, i.e. having one fixed end having multiple segments mechanically connected in series, e.g. zig-zag type
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2041—Beam type
- H10N30/2042—Cantilevers, i.e. having one fixed end
- H10N30/2045—Cantilevers, i.e. having one fixed end adapted for in-plane bending displacement
Landscapes
- Electroluminescent Light Sources (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
- Electrotherapy Devices (AREA)
- Thermistors And Varistors (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0400664A GB2393036B (en) | 2001-06-20 | 2002-06-19 | Electro-active elements & devices |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0115064.8 | 2001-06-20 | ||
GBGB0115064.8A GB0115064D0 (en) | 2001-06-20 | 2001-06-20 | Electro-active elements and devices |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002103818A2 WO2002103818A2 (en) | 2002-12-27 |
WO2002103818A3 true WO2002103818A3 (en) | 2003-10-30 |
Family
ID=9916993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2002/002854 WO2002103818A2 (en) | 2001-06-20 | 2002-06-19 | Electro-active elements & devices |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB0115064D0 (en) |
WO (1) | WO2002103818A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9099986B2 (en) * | 2011-09-30 | 2015-08-04 | Qualcomm Mems Technologies, Inc. | Cross-sectional dilation mode resonators |
BR112019009433A2 (en) * | 2016-11-14 | 2019-07-30 | Koninklijke Philips Nv | actuator device that has an adjustable hardness profile, elongated probe, and method for selectively controlling a hardness profile |
EP3540796A1 (en) * | 2018-03-15 | 2019-09-18 | Koninklijke Philips N.V. | Actuator device based on an electroactive material |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999013681A2 (en) * | 1997-09-05 | 1999-03-18 | 1... Ipr Limited | Aerogels, piezoelectric devices, and uses therefor |
WO2001095329A1 (en) * | 2000-06-08 | 2001-12-13 | Sae Magnetics (H.K.) Ltd. | Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators |
WO2002045181A1 (en) * | 2000-11-28 | 2002-06-06 | Sae Magnetics (H.K.) Ltd. | Head gimbal assembly with piezoelectric microactuator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9618052D0 (en) * | 1996-08-29 | 1996-10-09 | Univ Birmingham | Piezoelectric elements and devices incorporating same |
-
2001
- 2001-06-20 GB GBGB0115064.8A patent/GB0115064D0/en not_active Ceased
-
2002
- 2002-06-19 WO PCT/GB2002/002854 patent/WO2002103818A2/en not_active Application Discontinuation
- 2002-06-19 GB GB0400664A patent/GB2393036B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999013681A2 (en) * | 1997-09-05 | 1999-03-18 | 1... Ipr Limited | Aerogels, piezoelectric devices, and uses therefor |
WO2001095329A1 (en) * | 2000-06-08 | 2001-12-13 | Sae Magnetics (H.K.) Ltd. | Dual stage actuator systems for high density hard disk drives using annular rotary piezoelectric actuators |
WO2002045181A1 (en) * | 2000-11-28 | 2002-06-06 | Sae Magnetics (H.K.) Ltd. | Head gimbal assembly with piezoelectric microactuator |
Non-Patent Citations (4)
Title |
---|
DATABASE COMPENDEX [online] ENGINEERING INFORMATION INC., NEW YORK, NY, US; WANG Z ET AL: "Split electrode in-plane bending piezoelectric actuators. Theoretical studies on tip displacement and electric field induced stress", XP002239179, Database accession no. EIX99454799669 * |
GUO W ET AL: "A high bandwidth piezoelectric suspension for high track density magnetic data storage devices", IEEE TRANSACTIONS ON MAGNETICS, vol. 34, no. 4, PART 1, July 1998 (1998-07-01), pages 1907 - 1909, XP000833238, ISSN: 0018-9464 * |
WANG Z ET AL: "Rotary multilayer split morph - a piezoelectric microactuator for dual-stage actuation systems in high track density hard disk drives", 18TH MEETING ON FERROELECTRIC MATERIALS AND THEIR APPLICATIONS, KYOTO, JAPAN, 30 MAY - 2 JUNE 2001, vol. 40, no. 9B, Japanese Journal of Applied Physics, Part 1, September 2001, pages 5761 - 5765, XP002239173, ISSN: 0021-4922 * |
YADIAN YU SHENGGUANG/PIEZOELECTRICS AND ACOUSTOOPTICS, SICHUAN INSTITUTE OF PIEZOELECTRIC AND ACOUSTOOPTIC TECHNOLOGY, YONGCHUAN CHONGQING, CHINA, vol. 20, no. 5, 1998, pages 308 - 312, ISSN: 1004-2474 * |
Also Published As
Publication number | Publication date |
---|---|
GB0115064D0 (en) | 2001-08-15 |
WO2002103818A2 (en) | 2002-12-27 |
GB2393036A (en) | 2004-03-17 |
GB2393036B (en) | 2004-12-22 |
GB0400664D0 (en) | 2004-02-11 |
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