EP2029998A1 - Microscope a force atomique asservi - Google Patents
Microscope a force atomique asserviInfo
- Publication number
- EP2029998A1 EP2029998A1 EP07766092A EP07766092A EP2029998A1 EP 2029998 A1 EP2029998 A1 EP 2029998A1 EP 07766092 A EP07766092 A EP 07766092A EP 07766092 A EP07766092 A EP 07766092A EP 2029998 A1 EP2029998 A1 EP 2029998A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- microscope
- signal
- frequency
- head
- vibration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 3
- 230000003993 interaction Effects 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 2
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- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 10
- 238000013016 damping Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
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- 238000001514 detection method Methods 0.000 description 2
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- 101100460146 Arabidopsis thaliana NEET gene Proteins 0.000 description 1
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- 240000001546 Byrsonima crassifolia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q10/00—Scanning or positioning arrangements, i.e. arrangements for actively controlling the movement or position of the probe
- G01Q10/04—Fine scanning or positioning
- G01Q10/06—Circuits or algorithms therefor
- G01Q10/065—Feedback mechanisms, i.e. wherein the signal for driving the probe is modified by a signal coming from the probe itself
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01Q—SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- G01Q70/00—General aspects of SPM probes, their manufacture or their related instrumentation, insofar as they are not specially adapted to a single SPM technique covered by group G01Q60/00
- G01Q70/02—Probe holders
- G01Q70/04—Probe holders with compensation for temperature or vibration induced errors
Definitions
- the present invention relates to measuring the relief of a surface using an atomic force microscope.
- Figure 1 schematically shows the Extremists ⁇ detection moth-eaten an atomic force microscope.
- This detection end ⁇ consists of a tip 1 disposed at one end of a beam 2 whose other end is embedded at a support 3.
- the beam has for example a length of 50 to 500 microns, a width of 20 to 60 microns and a thickness of 1 to 5 microns.
- an object of the present invention is to provide an atomic microscope structure adapted to a new mode of operation which overcomes at least some of the disadvantages of the previously exposed modes of use and which is furthermore particularly suitable for use in a liquid medium. .
- It includes the photodétec ⁇ tor 22 provides a signal Sz output which is compared with a SZO desired position signal in a comparator 41 followed by a controller stabilization 42, the set of elements 41 and 42 corresponding to the controller 31 of FIG. 2.
- the output servo signal Sf of this controller is supplied on the one hand to a second comparator 43 followed by a controller 44, the comparator 43 and the controller 44 corresponding to the controller 32 of FIG. 2.
- the comparator 43 compares the servo signal Sf with a desired signal SO.
- the scanning speed between the microtip and the sample is chosen so that the highest frequency component that can result from the surface interaction is less than the natural frequency of the beam.
- the depreciation effort shown in Figure 5D essentially includes a component related to the surface interaction. We will have a more precise measurement of the interaction.
- 5A to 5D if one wants to obtain a homogeneous treatment of all the frequency components of the signal. For example, if one wants to observe surfaces of living matter, in displacement, one will choose a relatively fast scan, corresponding to the conditions of figure 4.
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0604674A FR2901601B1 (fr) | 2006-05-24 | 2006-05-24 | Microscope a force atomique asservi |
| PCT/FR2007/051319 WO2007135345A1 (fr) | 2006-05-24 | 2007-05-23 | Microscope a force atomique asservi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2029998A1 true EP2029998A1 (fr) | 2009-03-04 |
Family
ID=37000002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07766092A Withdrawn EP2029998A1 (fr) | 2006-05-24 | 2007-05-23 | Microscope a force atomique asservi |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20100064397A1 (fr) |
| EP (1) | EP2029998A1 (fr) |
| JP (1) | JP2009537840A (fr) |
| AU (1) | AU2007253164A1 (fr) |
| CA (1) | CA2653116A1 (fr) |
| FR (1) | FR2901601B1 (fr) |
| WO (1) | WO2007135345A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011119930A1 (fr) * | 2010-03-26 | 2011-09-29 | Wayne State University | Capteur résonnant doté de cantilevers asymétriques espacés |
| WO2017088016A1 (fr) | 2015-11-24 | 2017-06-01 | Rmit University | Dispositif à memristance et son procédé de fabrication |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0262253A1 (fr) * | 1986-10-03 | 1988-04-06 | International Business Machines Corporation | Dispositif micromécanique détecteur de forces atomiques |
| JP3069923B2 (ja) * | 1991-06-17 | 2000-07-24 | キヤノン株式会社 | カンチレバー型プローブ及び原子間力顕微鏡、情報記録再生装置 |
| US5883705A (en) * | 1994-04-12 | 1999-03-16 | The Board Of Trustees Of The Leland Stanford, Jr. University | Atomic force microscope for high speed imaging including integral actuator and sensor |
| JP3497913B2 (ja) * | 1995-03-10 | 2004-02-16 | 日立建機株式会社 | 走査型プローブ顕微鏡およびその測定方法 |
| JP3235786B2 (ja) * | 1998-06-30 | 2001-12-04 | 技術研究組合オングストロームテクノロジ研究機構 | 走査プローブの力制御方法 |
| US6189374B1 (en) * | 1999-03-29 | 2001-02-20 | Nanodevices, Inc. | Active probe for an atomic force microscope and method of use thereof |
| JP2002116132A (ja) * | 2000-10-04 | 2002-04-19 | Canon Inc | 信号検出装置、該信号検出装置によって構成した走査型原子間力顕微鏡、および信号検出方法 |
| JP4510277B2 (ja) * | 2000-12-15 | 2010-07-21 | エスアイアイ・ナノテクノロジー株式会社 | 走査型プローブ顕微鏡 |
-
2006
- 2006-05-24 FR FR0604674A patent/FR2901601B1/fr not_active Expired - Fee Related
-
2007
- 2007-05-23 US US12/302,160 patent/US20100064397A1/en not_active Abandoned
- 2007-05-23 WO PCT/FR2007/051319 patent/WO2007135345A1/fr not_active Ceased
- 2007-05-23 CA CA002653116A patent/CA2653116A1/fr not_active Abandoned
- 2007-05-23 AU AU2007253164A patent/AU2007253164A1/en not_active Abandoned
- 2007-05-23 EP EP07766092A patent/EP2029998A1/fr not_active Withdrawn
- 2007-05-23 JP JP2009511560A patent/JP2009537840A/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007135345A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2901601B1 (fr) | 2008-12-19 |
| JP2009537840A (ja) | 2009-10-29 |
| CA2653116A1 (fr) | 2007-11-29 |
| FR2901601A1 (fr) | 2007-11-30 |
| AU2007253164A1 (en) | 2007-11-29 |
| US20100064397A1 (en) | 2010-03-11 |
| WO2007135345A1 (fr) | 2007-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 20081223 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: COMIN, FABIO Inventor name: BESANCON, GILDAS Inventor name: CHEVRIER, JOEL Inventor name: VODA, ALINA, ANCA Inventor name: HROUZEK, MICHAL |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: COMIN, FABIO Inventor name: BESANCON, GILDAS Inventor name: CHEVRIER, JOEL Inventor name: VODA, ALINA, ANCA Inventor name: HROUZEK, MICHAL |
|
| 17Q | First examination report despatched |
Effective date: 20120706 |
|
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20121120 |