JP5403519B2 - 結晶ダイヤモンド・エアギャップ構造体の作製方法 - Google Patents
結晶ダイヤモンド・エアギャップ構造体の作製方法 Download PDFInfo
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- JP5403519B2 JP5403519B2 JP2010035602A JP2010035602A JP5403519B2 JP 5403519 B2 JP5403519 B2 JP 5403519B2 JP 2010035602 A JP2010035602 A JP 2010035602A JP 2010035602 A JP2010035602 A JP 2010035602A JP 5403519 B2 JP5403519 B2 JP 5403519B2
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- diamond
- single crystal
- cantilever
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- 229910003460 diamond Inorganic materials 0.000 title claims description 103
- 239000010432 diamond Substances 0.000 title claims description 103
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000013078 crystal Substances 0.000 claims description 56
- 239000000758 substrate Substances 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
- 229910002804 graphite Inorganic materials 0.000 claims description 23
- 239000010439 graphite Substances 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 12
- 238000005468 ion implantation Methods 0.000 claims description 10
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 24
- 239000010931 gold Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 10
- 238000001228 spectrum Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 238000001069 Raman spectroscopy Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000259 microwave plasma-assisted chemical vapour deposition Methods 0.000 description 4
- 238000000879 optical micrograph Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/04—Diamond
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00015—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
- B81C1/00134—Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems comprising flexible or deformable structures
- B81C1/0015—Cantilevers
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B31/00—Diffusion or doping processes for single crystals or homogeneous polycrystalline material with defined structure; Apparatus therefor
- C30B31/20—Doping by irradiation with electromagnetic waves or by particle radiation
- C30B31/22—Doping by irradiation with electromagnetic waves or by particle radiation by ion-implantation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2201/00—Manufacture or treatment of microstructural devices or systems
- B81C2201/01—Manufacture or treatment of microstructural devices or systems in or on a substrate
- B81C2201/0174—Manufacture or treatment of microstructural devices or systems in or on a substrate for making multi-layered devices, film deposition or growing
- B81C2201/019—Bonding or gluing multiple substrate layers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Chemical Vapour Deposition (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Drying Of Semiconductors (AREA)
Description
(a)単結晶ダイヤモンド基板の一部をグラファイト層に改質する。
(b)前記単結晶ダイヤモンド基板上に単結晶ダイヤモンド層を成長させる。
(c)前記単結晶ダイヤモンド層を所定の形状にエッチングする。
(d)前記グラファイト層を除去することにより、前記単結晶タイヤモンド層と前記単結晶ダイヤモンド基板の間にエアギャップを形成する。
パターニングされた孔構造を持つモリブデンプレートをマスクとして用い、高温高圧合成法によって合成された単結晶ダイヤモンド基板101の(100)面表面に選択的にイオン注入を行った(図1(a))。イオン注入条件は以下の通りであった。
イオンネルギー:180keV−1MeV
ビーム電流:180〜500nA/cm2
注入角度:7度
注入量:1016個/cm2
マイクロ波プラズマ気相成長(MPCVD)法によりダイヤモンド・エピタキシャル層103を成長させた。成長条件は以下の通りであった。
下地基板:Ib型絶縁性(100)面方位ダイヤモンド基板
原料ガス:メタン(CH4)、流量0.4sccm
キャリア(希釈)ガス:水素(H2)、流量500sccm
CH4/H2比:0.08%
成長中圧力:80Torr
マイクロ波パワー:400W
基板温度:960℃
成長時間:8時間
エピタキシャル層の厚さ:0.3μm
イオン注入された単結晶ダイヤモンド基板101上に成長させたダイヤモンド・エピタキシャル層103上に、図1(c)に示すように炭化タングステン/金層(WC/Au、ここで“/”は堆積順序を示す)層105をそれぞれ30nm堆積させ、リフトオフ法によりパターニングした。このWC/Au層105をマスクとして、ダイヤモンドを酸素とアルゴンの混合ガスプラズマを用いてドライエッチングした。エッチング条件は以下の通りであった。
ガス流量:ArおよびO2それぞれ10sccm
マイクロ波パワー:100W
エッチング時間:1時間
図2に、図1に示すプロセス(c)後のダイヤモンド試料の光学顕微鏡像を示す。203で示される暗い部分はイオン注入領域(グラファイトへの改質領域)であり、204で示される比較的暗い部分はイオン注入されていない領域である。201で示される明るい部分はWC/Au膜であり、202で示されるビーム状部分は、最終的にカンチレバーとなる領域である。
上述の実施例においては、通常のフォトリソグラフィ・プロセスを用いて、単結晶ダイヤモンドのカンチレバーを作製したが、電子ビームリソグラフィやレーザリソグラフィでも作製可能である。
102:モリブデン製マスク
103:ダイヤモンド・エピタキシャル層
104:グラファイトへの改質領域
105:WC/Auマスク
106:カンチレバー
201:WC/Auでカバーされている領域
202:カンチレバーとなる領域のパターン
203:イオン注入領域
204:イオン注入されていない領域
301:WC/Auでカバーされている領域
302:カンチレバーのパターン
303:1.2μm深さまでエッチングされた単結晶ダイヤモンド基板
Claims (3)
- 以下の(a)から(d)のステップを含む、単結晶ダイヤモンド・エアギャップ構造体の作製方法。
(a)単結晶ダイヤモンド基板の一部をグラファイト層に改質する。
(b)前記単結晶ダイヤモンド基板上に単結晶ダイヤモンド層を成長させる。
(c)前記単結晶ダイヤモンド層を所定の形状にエッチングする。
(d)前記グラファイト層を除去することにより、前記単結晶タイヤモンド層と前記単結晶ダイヤモンド基板の間にエアギャップを形成する。 - 前記グラファイト層への改質はイオン注入によって行う、請求項1に記載の単結晶ダイヤモンド・エアギャップ構造体の作製方法。
- 前記グラファイト層の除去は電気化学エッチングにより行う、請求項1または2に記載の単結晶ダイヤモンド・エアギャップ構造体の作製方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010035602A JP5403519B2 (ja) | 2010-02-22 | 2010-02-22 | 結晶ダイヤモンド・エアギャップ構造体の作製方法 |
EP11744760.7A EP2540877A4 (en) | 2010-02-22 | 2011-02-18 | MOVABLE CRYSTAL DIAMOND STRUCTURE AND MANUFACTURING METHOD THEREFOR |
US13/579,446 US8808560B2 (en) | 2010-02-22 | 2011-02-18 | Method for producing single-crystal diamond movable structure |
PCT/JP2011/053538 WO2011102474A1 (ja) | 2010-02-22 | 2011-02-18 | 単結晶ダイヤモンド可動構造体及びその作製方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010035602A JP5403519B2 (ja) | 2010-02-22 | 2010-02-22 | 結晶ダイヤモンド・エアギャップ構造体の作製方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011168460A JP2011168460A (ja) | 2011-09-01 |
JP5403519B2 true JP5403519B2 (ja) | 2014-01-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010035602A Expired - Fee Related JP5403519B2 (ja) | 2010-02-22 | 2010-02-22 | 結晶ダイヤモンド・エアギャップ構造体の作製方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8808560B2 (ja) |
EP (1) | EP2540877A4 (ja) |
JP (1) | JP5403519B2 (ja) |
WO (1) | WO2011102474A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012118944A2 (en) * | 2011-03-03 | 2012-09-07 | The Trustees Of Columbia University In The City Of New York | Techniques for producing thin films of single crystal diamond |
WO2013066446A1 (en) | 2011-08-01 | 2013-05-10 | The Trustees Of Columbia University In The City Of New York | Conjugates of nano-diamond and magnetic or metallic particles |
WO2013040446A1 (en) | 2011-09-16 | 2013-03-21 | The Trustees Of Columbia University In The City Of New York | High-precision ghz clock generation using spin states in diamond |
US9632045B2 (en) | 2011-10-19 | 2017-04-25 | The Trustees Of Columbia University In The City Of New York | Systems and methods for deterministic emitter switch microscopy |
FR2984595B1 (fr) * | 2011-12-20 | 2014-02-14 | Centre Nat Rech Scient | Procede de fabrication d'un empilement mos sur un substrat en diamant |
AU2015333580B2 (en) * | 2014-10-15 | 2019-04-11 | The University Of Melbourne | Method of fabricating a diamond membrane |
ES2745312T3 (es) * | 2015-01-14 | 2020-02-28 | Iia Tech Pte Ltd | Diamantes monocristalinos de grado de dispositivo electrónico y método de producción de los mismos |
JP6713167B2 (ja) * | 2016-06-06 | 2020-06-24 | 国立研究開発法人物質・材料研究機構 | トリプルゲートh−ダイヤモンドmisfet及びその製造方法 |
CN108190830A (zh) * | 2017-12-29 | 2018-06-22 | 长沙新材料产业研究院有限公司 | 一种高深宽比金刚石微纳米结构的制作方法 |
JP6989091B2 (ja) * | 2018-02-13 | 2022-01-05 | 国立研究開発法人物質・材料研究機構 | ダイヤモンド構造体、ダイヤモンド・カンチレバー、およびダイヤモンド構造体の製造方法 |
JP7077798B2 (ja) * | 2018-06-11 | 2022-05-31 | 日本電信電話株式会社 | 機械振動子およびその製造方法 |
CN109666917B (zh) * | 2018-12-20 | 2021-03-23 | 长沙新材料产业研究院有限公司 | 一种金刚石表面结构及其制备方法 |
CN110373708B (zh) * | 2019-07-31 | 2021-04-30 | 东南大学 | 调整浓度实现针尖锥角控制的纳米针尖制备平台及方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US3895313A (en) * | 1973-09-17 | 1975-07-15 | Entropy Conversion | Laser systems with diamond optical elements |
US5130111A (en) * | 1989-08-25 | 1992-07-14 | Wayne State University, Board Of Governors | Synthetic diamond articles and their method of manufacture |
US5264071A (en) * | 1990-06-13 | 1993-11-23 | General Electric Company | Free standing diamond sheet and method and apparatus for making same |
US5614019A (en) * | 1992-06-08 | 1997-03-25 | Air Products And Chemicals, Inc. | Method for the growth of industrial crystals |
US5334283A (en) * | 1992-08-31 | 1994-08-02 | The University Of North Carolina At Chapel Hill | Process for selectively etching diamond |
US5500077A (en) * | 1993-03-10 | 1996-03-19 | Sumitomo Electric Industries, Ltd. | Method of polishing/flattening diamond |
JP3076954B2 (ja) | 1994-10-14 | 2000-08-14 | 神奈川県 | ダイヤモンドブリッジまたはダイヤモンドカンチレバーとその製造方法並びに該ダイヤモンドブリッジまたはダイヤモンドカンチレバーを使用した電子デバイス |
JPH08261853A (ja) * | 1995-03-20 | 1996-10-11 | Matsushita Electric Ind Co Ltd | 機械量センサ素子 |
US5792254A (en) * | 1996-06-12 | 1998-08-11 | Saint-Gobain/Norton Industrial Ceramics Corp. | Production of diamond film |
US6811612B2 (en) * | 2000-01-27 | 2004-11-02 | The University Of Chicago | Patterning of nanocrystalline diamond films for diamond microstructures useful in MEMS and other devices |
US6422077B1 (en) | 2000-04-06 | 2002-07-23 | The University Of Chicago | Ultrananocrystalline diamond cantilever wide dynamic range acceleration/vibration/pressure sensor |
WO2005080645A2 (en) | 2004-02-13 | 2005-09-01 | Apollo Diamond, Inc. | Diamond structure separation |
WO2006076354A2 (en) * | 2005-01-11 | 2006-07-20 | Apollo Diamond, Inc. | Diamond medical devices |
US20060172515A1 (en) * | 2005-01-31 | 2006-08-03 | Paolo Olivero | Method of fabricating a structure in a material |
JP4873467B2 (ja) * | 2006-07-27 | 2012-02-08 | 独立行政法人産業技術総合研究所 | オフ角を有する単結晶基板の製造方法 |
US20090050824A1 (en) * | 2007-06-25 | 2009-02-26 | The University Of Melbourne | Method of fabricating a structure from diamond material or diamond-like carbon material |
JP5552654B2 (ja) * | 2008-08-06 | 2014-07-16 | 並木精密宝石株式会社 | 先鋭化針状ダイヤモンド、およびそれを用いた走査プローブ顕微鏡用カンチレバー、フォトマスク修正用プローブ、電子線源 |
-
2010
- 2010-02-22 JP JP2010035602A patent/JP5403519B2/ja not_active Expired - Fee Related
-
2011
- 2011-02-18 US US13/579,446 patent/US8808560B2/en not_active Expired - Fee Related
- 2011-02-18 EP EP11744760.7A patent/EP2540877A4/en not_active Withdrawn
- 2011-02-18 WO PCT/JP2011/053538 patent/WO2011102474A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US8808560B2 (en) | 2014-08-19 |
EP2540877A1 (en) | 2013-01-02 |
JP2011168460A (ja) | 2011-09-01 |
EP2540877A4 (en) | 2015-11-25 |
WO2011102474A1 (ja) | 2011-08-25 |
US20130043213A1 (en) | 2013-02-21 |
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