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Transportation of object of micro-size and retrieval of mechanical work by means of constant electric field UPDATE_EN

Foreign code F170009214
File No. I027P002WO
Posted date Sep 13, 2017
Country China
Application number 201080016544
Gazette No. 102395424
Gazette No. 102395424
Date of filing Feb 19, 2010
Gazette Date Mar 28, 2012
Gazette Date Apr 23, 2014
International application number JP2010052566
International publication number WO2010095724
Date of international filing Feb 19, 2010
Date of international publication Aug 26, 2010
Priority data
  • P2009-038446 (Feb 20, 2009) JP
  • 2010WO-JP52566 (Feb 19, 2010) WO
Title Transportation of object of micro-size and retrieval of mechanical work by means of constant electric field UPDATE_EN
Abstract (CN102395424B)
Provided is a technique, wherein, in a micro-size, an object can be moved at will without generating a current and transported to retrieve the mechanical work.
As a result of earnest consideration, the inventors have found out that a dielectric body can be three-dimensionally transported at will simply by arranging two electrodes for generating an electric field in, for example, a dielectric body of a micro-size or the like in an insulation fluid such as oil, in such a manner that the central axes of the two electrodes are not on the same line, and applying an electric field (for example, constant electric field) thereto, thereby making it possible to retrieve the mechanical work, and have solved the problem.
Scope of claims [claim1]
1. One method of obtaining mechanical work or transporting a dielectric body, characterized in, following step the method comprises:
A) is provided for generating an electric field of the two electrodes, such that the two electrodes are not in line with the center of the shaft, and when an insulating fluid within the dielectric body to apply an electric field.
[claim2]
2. Method according to claim 1, characterized in, micrometer-sized dielectric body is, a range of a few nanometers to a micron-scale and the 1000 microns.
[claim3]
3. Method according to claim 2, characterized in, 1 micron to 100 microns in the range of order of micrometers.
[claim4]
4. Method according to claim 1, characterized in, applied electrostatic field generating dielectric polarization but dielectric body is not generating a current of the substance, and is a substance having electrostatic chargeability.
[claim5]
5. Method according to claim 1, characterized in, dielectric body is selected from a drop of water, a polymeric substance and a group consisting of glass beads.
[claim6]
6. Method according to claim 5, characterized in, generating water droplets using a surfactant.
[claim7]
7. Method according to claim 5, characterized in, surfactants using dioleoyl phosphatidylcholine (DOPC), dioleoyl phosphatidylethanolamine (DOPE), dioleylphosphatidyserine (DOPS), eggPC, octadecyl trimethylammonium chloride (STAC), octadecyl trimethylammonium bromide (STAB), sodium dodecyl sulfate (SDS), dodecyl tri-methyl ammonium chloride and pentaethylene glycol dodecyl ether.
[claim8]
8. Method according to claim 1, characterized in, which is nonvolatile insulating fluid, and having conductivity at normal temperature and flow does not matter, and it is a micrometer-sized dielectric body with respect to the specific gravity of + /-50% or less.
[claim9]
9. Method according to claim 1, characterized in, an insulating fluid selected from the group consisting of mineral oil, liquid paraffin, alkane and silicone oil group consisting of.
[claim10]
10. Method according to claim 1, characterized in, an electric field to a constant electric field.
[claim11]
11. Method according to claim 1, characterized in, ranges from 1V of the electric field to 1000V.
[claim12]
12. Method according to claim 1, characterized in, will be used to generate an electric field of the anode and cathode are positioned with their central axes are not parallel to each other.
[claim13]
13. Method according to claim 12, characterized in, pyramid or conical shape having a sharp tip of the electrode is used as, or a prismatic or cylindrical, and wherein the electrode material electrically conductive.
[claim14]
14. Method according to claim 12, characterized in, electrode group consisting of tungsten, tungsten carbide, gold, platinum, silver, copper, iron and aluminum group consisting of a conductive material.
[claim15]
15. Method according to claim 1, characterized in, an electric field through at least two electrodes having an anode and a cathode of the electrode group is generated, and this has at least two electrodes of the electrode group in a direction into at least two electrodes are in different directions away from each other, the method further includes controlling the electric field and for generating the electric field by means of the spatial arrangement of the electrodes to change the route or mode of movement of the step.
[claim16]
16. Method according to claim 15, characterized in, control is realized by using the three-dimensional coordinates by 1 micron can be performed on each of the micromanipulator capable of manipulating unit for operating each of the values, either by hand or forceps operation, shifting an electrode to a desired position.
[claim17]
17. Method according to claim 1, characterized in, and the method further includes controlling the intensity of the applied voltage is controlled by spatial electrode by indirectly controlling the dielectric body of the dielectric body at the transfer step.
[claim18]
18. Method according to claim 1, characterized in, on the dielectric body may be provided in a space to move micro turbine, with the dielectric body so as to move with the motion of the microturbines and work is extracted, the micro turbine has a rotational axis and a blade portion, the blade being rotated about a rotating shaft.
[claim19]
19. Method according to claim 1, characterized in, is two or more dielectric body, two or more modes to collectively move to function as a motor of the dielectric bodies of the action.
[claim20]
20. Method according to claim 1, characterized in, this method is used to mechanically control a polymer, liquid droplet transportation of a pharmaceutical or chemical, chemical reaction, pharmaceutical or chemical preparation, non-contact transportation of a biological sample, or micro channel.
[claim21]
21. One means for transporting a dielectric body, characterized in, this apparatus comprises the following devices:
A) for receiving the insulating fluid of the dielectric body; and
B) is present in the insulating fluid, for applying an electric field comprises two electrodes of the device, the two electrodes are positioned with their center axes are not on the same straight line.
[claim22]
22. A method for extracting mechanical work device, characterized in, including:
A) insulating fluid;
B) provided in the dielectric fluid within the dielectric body;
C) is present in the insulating fluid, for applying an electric field comprises two electrodes of the device, the two electrodes are positioned with their center axes are not on the same line; and
D) means for extracting mechanical work from the dielectric body of the device.
[claim23]
23. Apparatus according to claim 21 or 22, characterized in, micrometer-sized dielectric body is, micrometer-size ranges from a few nanometers and the 1000 microns to.
[claim24]
24. Apparatus according to claim 23, characterized in, ranging from 1 micron to 100 micron order of micrometers.
[claim25]
25. Apparatus according to claim 21 or 22, characterized in, dielectric polarization occurs electrostatic field is applied to a dielectric body without producing a current of the substance, and is a substance having electrostatic chargeability.
[claim26]
26. Apparatus according to claim 21 or 22, characterized in, dielectric body is selected from a drop of water, a polymeric substance and a group consisting of glass beads.
[claim27]
27. Apparatus according to claim 26, characterized in, water drops generated using a surfactant.
[claim28]
28. Apparatus according to claim 26, characterized in, surfactants using dioleoyl phosphatidylcholine (DOPC), dioleoyl phosphatidylethanolamine (DOPE), dioleylphosphatidyserine (DOPS), eggPC, octadecyl trimethylammonium chloride (STAC), octadecyl trimethylammonium bromide (STAB), sodium dodecyl sulfate (SDS), and pentaethylene glycol dodecyl ether sodium dodecyl tri-methyl ammonium chloride.
[claim29]
29. Apparatus according to claim 21 or 22, characterized in, which is nonvolatile insulating fluid, and having no electrical conductivity at normal temperature and flow of the substance, with respect to a specific gravity of micrometer-sized dielectric body and having + /-50% or less.
[claim30]
30. Apparatus according to claim 21 or 22, characterized in, selected from mineral insulating fluid, liquid paraffin, alkane and silicone oil group consisting of.
[claim31]
31. Apparatus according to claim 21 or 22, characterized in, an electric field to a constant electric field.
[claim32]
32. Apparatus according to claim 21 or 22, characterized in, 1V to the electric field in the range of 1000V.
[claim33]
33. Apparatus according to claim 21 or 22, characterized in, an anode and a cathode for generating an electric field is set to one another that their central axes are not parallel.
[claim34]
34. Apparatus according to claim 33, characterized in, having a sharp tip of the electrode is a pyramid or conical shape, or a prismatic or cylindrical, and wherein the electrode material electrically conductive.
[claim35]
35. Apparatus according to claim 32, characterized in, electrode group consisting of tungsten, tungsten carbide, gold, platinum, silver, copper, iron and aluminum group consisting of an electrically conductive material.
[claim36]
36. Apparatus according to claim 21 or 22, characterized in, an apparatus for applying an electric field to at least two electrodes of the electrode groups having an anode and a cathode, and which has at least two electrodes of the electrode sets into at least two electrodes to each other in a direction being in a different direction.
[claim37]
37. Apparatus according to claim 36, characterized in, this apparatus further comprises of three-dimensional coordinates by 1 micron per micromanipulator capable of manipulating, the micromanipulator manipulating each coordinate to shift an electrode to a desired position, or further comprising tweezers.
[claim38]
38. Apparatus according to claim 21 or 22, characterized in, this apparatus further includes a control electrode and the strength of the applied voltage is controlled through space by indirectly controlling the dielectric body for transmission of the dielectric body of the device.
[claim39]
39. Apparatus according to claim 22, characterized in, this apparatus further comprises a micro turbine.
[claim40]
40. Apparatus according to claim 22, characterized in, is two or more of the dielectric body, and the two or more kinds of the dielectric function as a motor to collectively move to the body.
[claim41]
41. Apparatus according to claim 21 or 22, characterized in, which is adapted to mechanically control a polymer, liquid droplet transportation of a pharmaceutical or chemical, chemical reaction, pharmaceutical or chemical preparation, non-contact transportation of a biological sample, or micro channel.
  • Applicant
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • Inventor
  • YOSHIKAWA KENICHI
  • TAKINOUE MASAHIRO
  • ATSUMI YU
IPC(International Patent Classification)
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