WO2014148140A1 - 検出用構造体 - Google Patents
検出用構造体 Download PDFInfo
- Publication number
- WO2014148140A1 WO2014148140A1 PCT/JP2014/052870 JP2014052870W WO2014148140A1 WO 2014148140 A1 WO2014148140 A1 WO 2014148140A1 JP 2014052870 W JP2014052870 W JP 2014052870W WO 2014148140 A1 WO2014148140 A1 WO 2014148140A1
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- WO
- WIPO (PCT)
- Prior art keywords
- detection structure
- detection
- thickness direction
- unit
- main surface
- Prior art date
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- 238000001514 detection method Methods 0.000 title claims abstract description 102
- 230000000737 periodic effect Effects 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012986 modification Methods 0.000 description 14
- 230000004048 modification Effects 0.000 description 14
- 239000011159 matrix material Substances 0.000 description 10
- 239000010408 film Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
- G01N21/774—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
- G01N21/7743—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure the reagent-coated grating coupling light in or out of the waveguide
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
Definitions
- the present invention relates to a detection structure having a structure that resonates when irradiated with an electromagnetic wave, and more particularly to a detection structure whose resonance characteristics change depending on whether or not a measured object is held.
- Patent Literature 1 discloses a void arrangement structure used for such a detection method.
- a gap arrangement structure sheet in which gaps are periodically arranged is used. Since this space
- An object of the present invention is to provide an inexpensive detection structure that can increase the strength, is easy to manufacture, and is inexpensive.
- the detection structure according to the present invention is a detection structure used in a method for detecting a measurement object by detecting a change in resonance characteristics depending on whether or not the measurement object is held when an electromagnetic wave is irradiated.
- the detection structure according to the present invention includes a plate-like base portion having first and second main surfaces opposed in the thickness direction, and a periodic structure provided on the first main surface of the base portion. A part.
- the periodic structure portion has a unit structure that is periodically arranged in the surface direction of the first main surface of the base portion.
- the unit structure has a thickness direction surface extending in the thickness direction or in a direction intersecting with the thickness direction in an oblique direction.
- the periodic structure part and the base part may be integrally formed of the same material.
- the periodic structure part and the base part may be constituted by different members.
- a plurality of the thickness direction surfaces are provided in the unit structure of the periodic structure, and the plurality of surfaces are combined to form the base portion.
- One opening is formed on the opposite side, and the bottom exposed in the opening is formed by the first main surface.
- a plurality of the thickness direction surfaces are provided, and the plurality of surfaces are opposite to the base portion.
- the unit structures are gathered at the end portions on the side, and have a shape protruding from the first main surface.
- the shape having the opening and the bottom in the unit structure is a recess that is open toward a surface opposite to the base.
- the concave portion has a truncated pyramid shape.
- the unit structure has a rectangular parallelepiped shape.
- the base portion is made of a conductor.
- the strength of the detection structure can be sufficiently increased.
- the manufacturing process is not complicated, the cost of the detection structure can be reduced.
- FIG. 1A and FIG. 1B are a perspective view of a structure for detection according to a first embodiment of the present invention and a side sectional view showing the main part thereof.
- FIG. 2 is a diagram seen from the outer surface of the unit structure of the periodic structure portion of the structure for detection according to the first embodiment of the present invention.
- FIG. 3 is a diagram illustrating the frequency characteristics of the reflected wave when the detection structure according to the first embodiment of the present invention is irradiated with electromagnetic waves.
- FIG. 4 is a perspective view of a detection structure according to the second embodiment of the present invention.
- FIG. 5A and FIG. 5B are a view and a side view, as seen from the first main surface side, of the unit structure of the periodic structure portion in the detection structure according to the second embodiment.
- FIG. 6 is a diagram illustrating a reflection spectrum of an electromagnetic wave when the detection structure according to the second embodiment is used.
- FIG. 7 is a perspective view of the detection structure according to the third embodiment.
- FIG. 8 is a perspective view of the detection structure according to the fourth embodiment.
- FIG. 9 is a perspective view of a detection structure according to the fifth embodiment.
- FIG. 10 is a perspective view of a detection structure according to the sixth embodiment.
- FIG. 11 is a perspective view illustrating a modification of the detection structure according to the first embodiment.
- FIG. 12 is a perspective view showing a modification of the detection structure according to the third embodiment.
- FIG. 13 is a perspective view showing another modification of the structure for detection according to the first embodiment.
- FIG. 14 is a perspective view showing another modification of the detection structure according to the third embodiment.
- FIG. 15 is a perspective view showing still another modified example of the detection structure according to the first embodiment.
- FIG. 16 is a perspective view showing still another modification of the detection structure according to the third
- FIG. 1A is a perspective view showing an appearance of a detection structure according to the first embodiment of the present invention.
- the entire detection structure 1 has a plate shape.
- the detection structure 1 has a rectangular plate shape, but may have an arbitrary shape such as a disk shape.
- the detection structure 1 is made of Ni. But the material which comprises the structure 1 for a detection is not specifically limited, It can form with stainless steel, the metal which plated Au, etc.
- the detection structure 1 has a base portion 1A and a periodic structure portion 1B.
- the base portion 1A and the periodic structure portion 1B are integrally formed.
- the base portion 1A has a flat plate shape and includes first and second main surfaces 1a and 1b that face each other in the thickness direction.
- the recesses 2 that open toward the outside are periodically arranged in the surface direction of the first main surface 1a.
- the unit structures having the recesses 2 are arranged in a matrix in the surface direction of the first main surface 1a of the base portion 1A.
- the periodic arrangement structure is not limited to such a matrix.
- “periodically arranged” does not require all unit structures to be arranged periodically. For example, in a structure in which a large number of unit structures are arranged in a matrix as shown in FIG. 1A, one or several unit structures may be missing. That is, the unit structure may be periodically arranged as a whole.
- FIG. 1B is a side sectional view of the unit structure having the recess 2.
- FIG. 2 is a front view of the unit structure as viewed from the outer surface 1c.
- the direction connecting the first main surface 1a and the second main surface 1b of the base portion 1A is hereinafter referred to as a thickness direction.
- the recess 2 extends in the thickness direction. That is, as shown in FIG. 1B, the recess 2 is open to the outer surface 1c.
- the recess 2 is surrounded by four thickness direction surfaces 3 to 6.
- the thickness direction surfaces 3 to 6 are surfaces extending in a direction intersecting with the thickness direction obliquely.
- a thickness direction surface shall mean the surface which extends in the direction which cross
- the four thickness direction surfaces 3 to 6 constitute the inner surface of the recess 2.
- the end portions of the thickness direction surfaces 3 to 6 on the first main surface 1a side do not reach the first main surface 1a.
- the end portions on the first main surface 1a side of the thickness direction surfaces 3 to 6 are located closer to the outer surface 1c side than the first main surface 1a.
- the end portion on the first main surface 1a side of the thickness direction surfaces 3 to 6 is combined to form the bottom portion 7 by a part of the first main surface 1a. When viewed from the outer surface 1 c side, the bottom 7 is exposed to the opening of the recess 2.
- the bottom 7 is constituted by a part of the first main surface 1a.
- the recess 2 has a quadrangular pyramid shape. Accordingly, the first main surface 1a constituting the bottom portion 7 is parallel to the outer surface 1c.
- the concave portion 2 is configured such that the thickness direction surfaces 3 to 6 approach from the side opening to the outer surface 1 c toward the bottom portion 7.
- the recessed part 2 has the shape of a square frustum as mentioned above, you may have other polygonal frustum shapes, such as a hexagonal frustum.
- the unit structures having the recesses 2 are periodically arranged in the surface direction of the first main surface 1a.
- This portion constitutes the periodic structure portion 1B in the present invention.
- the portion between the bottom 7 and the second main surface 1b constitutes the flat base portion 1A of the present embodiment.
- the unit structure having the recess 2 in other words, having the plurality of thickness direction surfaces 3 to 6 is periodically arranged, so that the electromagnetic wave is irradiated from the outer surface 1 c side.
- resonance occurs in each unit structure having the recess 2. Due to this resonance phenomenon, the frequency spectrum of the electromagnetic wave scattered by the detection structure 1 changes.
- the scattered electromagnetic wave includes an electromagnetic wave reflected by the detection structure 1, that is, a back-scattered electromagnetic wave and an electromagnetic wave transmitted through the detection structure 1, that is, a forward-scattered electromagnetic wave.
- the frequency characteristics of the scattered electromagnetic wave change depending on whether the object to be measured is held on the outer surface 1c side of the detection structure 1 or not.
- the object to be measured can be measured by the change in the frequency spectrum of the scattered electromagnetic wave.
- FIG. 3 shows the frequency characteristics of the reflected electromagnetic wave when the detection structure 1 is irradiated with an electromagnetic wave of 10 to 60 THz.
- the depth H of the recess 2 in the unit structure is 6 ⁇ m
- the size of the opening in the outer surface 1c of the recess 2 is 7 ⁇ m ⁇ 7 ⁇ m.
- the object to be measured may be detected using a peak waveform or a change in the intensity of electromagnetic waves at other frequency positions instead of the dip waveform.
- the detection structure 1 when the forward scattering, that is, the change in the frequency spectrum of the transmitted electromagnetic wave is used, the detection structure 1 must be made of a material that transmits the irradiated electromagnetic wave. Examples of such a material include resin, glass, and ceramics.
- the unit structures having the recesses 2 are periodically arranged as described above, and thus the object to be measured can be detected.
- unit structures in which the recesses 2 are formed by the plurality of thickness direction surfaces 3 to 6 are periodically arranged.
- the periodic structure portion 1B is integrated with the base portion 1A. Therefore, the mechanical strength is sufficiently high.
- the detection structure 1 can be easily formed by, for example, a thin film formation method on a stage (not shown).
- the material constituting the detection structure 1 is formed by a thin film forming method.
- the film is first formed up to the portion where the bottom 7 is located.
- a resist is applied to the portion where the recess 2 is formed.
- the application of the resist can be performed by a photolithography method.
- the material constituting the detection structure is formed again, and the film formation is continued up to the position of the first main surface 1a.
- the resist is removed with a solvent.
- the detection structure constituent material is deposited so as to have the entire thickness of the detection structure 1. Thereafter, the recess 2 may be formed by etching.
- the detection structure 1 can be formed using a known thin film forming method. Therefore, it is difficult to invite the complexity of the manufacturing process. In addition, the cost of the detection structure 1 can be reduced.
- FIG. 4 is a perspective view of the detection structure 11 according to the second embodiment.
- the detection structure 11 has a flat base member 12 as a base portion.
- a large number of quadrangular pyramid-shaped unit structures 13 are formed on the flat base member 12.
- the lower surface of the base member 12 is the second main surface 12b, and the upper surface is the first main surface 12a.
- the periodic structure part in this invention is comprised by the some unit structure 13 of square pyramid shape. Accordingly, in the periodic structure portion, the unit structure 13 has thickness direction surfaces 14 to 17 when the direction connecting the first main surface 12a and the second main surface 12b is the thickness direction.
- the thickness direction surfaces 14 to 17 correspond to the side surfaces of the quadrangular pyramid.
- the unit structures 13 having the thickness direction surfaces 14 to 17 are periodically arranged in the surface direction of the first main surface 12a. Therefore, similarly to the first embodiment, when the electromagnetic wave is irradiated, the frequency characteristic of the scattered electromagnetic wave changes depending on whether the object to be measured is held. Therefore, the device under test can be detected as in the first embodiment.
- the mechanical strength can be sufficiently increased.
- the detection structure 11 of the present embodiment after forming the base member 12, the detection structure 11 can be easily formed by forming the quadrangular pyramid portions constituting each unit structure 13. Obtainable.
- the detection structure 11 may be formed by joining the unit structure 13 to the first main surface 12 a of the base member 12 after the base member 12 is formed. Therefore, the detection structure 11 can be provided at a low cost without incurring the complexity of the manufacturing process.
- FIG. 6 shows the frequency characteristics of the reflected electromagnetic wave when the detection structure 11 of this embodiment is used and an electromagnetic wave of 10 THz to 60 THz is irradiated.
- the frequency characteristic of FIG. 6 is a result at the time of comprising the unit structure 13 with the following dimensions.
- the electric field strength is high in the portion from the apex of the quadrangular pyramid shape to the middle position of the side surface of the quadrangular pyramid shape that is the thickness direction surface in the outer portion of the quadrangular pyramid shape.
- the unit structure is configured to have the truncated pyramid-shaped recess 2 and the truncated pyramid-shaped protrusion, respectively.
- the shape of the unit structure in the detection structure of the present invention is not limited to these.
- the detection structures of the third to sixth embodiments shown in FIGS. 7 to 10 show examples in which the shapes of such unit structures are different.
- the unit structure of the periodic structure part has a rectangular parallelepiped protrusion 32. That is, the rectangular parallelepiped protrusion 32 has first to fourth side surfaces 33 to 36 along the thickness direction.
- Other structures are the same as those of the detection structure 11 of the second embodiment. That is, also in the present embodiment, a plurality of unit structures having the protruding portions 32 are arranged in a matrix on the base member 12.
- a plurality of strip-shaped protrusions 42 are arranged in parallel to each other, thereby forming a periodic structure part.
- the side surfaces 43 to 46 are thickness direction surfaces.
- the protrusion part which comprises the unit structure may have the elongate strip-like planar shape.
- the plurality of unit structures may be arranged in parallel to each other in this way.
- the periodic structure 52 is laminated on the base member 12.
- the periodic structure body 52 has a rectangular plate shape.
- the through-hole 52a which has a rectangular opening part is arrange
- the four side surfaces of the through hole 52a constitute first to fourth thickness direction surfaces 53 to 56.
- the unit structures having the plurality of thickness direction surfaces are periodically arranged. Therefore, when the electromagnetic wave is irradiated, the object to be measured can be detected by the change in the frequency characteristics of the scattered electromagnetic wave depending on the presence or absence of the object to be measured.
- the periodic structure part in which the through holes 52a are arranged in a matrix can be easily formed on the base member 12 by a photolithography method or the like. Therefore, it is possible to provide a detection structure 51 that is excellent in mechanical strength and inexpensive.
- the periodic structure portion 62 is laminated on the base member 12.
- unit structures having through holes 62a are arranged in a matrix.
- the through-hole 62a has a truncated pyramid shape whose area decreases from the outer surface 61a toward the first main surface 12a of the base member 12.
- the inner side surfaces 63 to 66 are thickness direction surfaces.
- the periodic structure body 62 is reinforced by the base member 12. Therefore, the mechanical strength can be sufficiently increased.
- the detection structure 61 of the present embodiment can be easily manufactured by using a film forming method such as a thin film forming method or an etching method. Therefore, it is difficult to invite the complexity of the manufacturing process. Further, in the detection structure 61, the cost can be reduced.
- the periodic structure portion in the detection structure according to the present invention is not limited to the structures of the first to sixth embodiments, and can be modified as appropriate.
- FIG. 11 is a perspective view showing a modification of the detection structure 1 according to the first embodiment.
- the recess 2 is not provided in the portion indicated by the arrow A. That is, in the structure in which the plurality of recesses 2 are arranged in a matrix, there may be a portion where the recesses 2 are not provided in part.
- FIG. 12 is a perspective view showing a modification of the detection structure 31 according to the third embodiment.
- the protrusion 32 is not provided in the portion indicated by the arrow B. That is, in the structure in which the plurality of protrusions 32 are arranged in a matrix, the protrusions may be missing in some parts.
- some unit structures may be missing from the unit structures arranged periodically.
- FIG. 13 is a perspective view showing another modification of the detection structure 1 according to the first embodiment.
- three adjacent recesses 2 are connected in the portion indicated by arrow C.
- the recesses 2 may be connected in some portions.
- FIG. 14 is a perspective view showing another modification of the structure for detection according to the third embodiment.
- the some protrusion part 32 is connected.
- the some protrusion part 32 may be connected in part.
- some unit structures may be connected in a unit structure periodically arranged.
- FIG. 15 is a perspective view showing still another modified example of the detection structure 1 according to the first embodiment.
- adjacent recesses 2 are connected via a connecting recess 2 ⁇ / b> A.
- the recess 2 may be connected to the adjacent recess 2 via the connecting recess 2A having a width smaller than that of the recess 2.
- FIG. 16 is a perspective view showing still another modification of the detection structure 31 according to the third embodiment.
- the protrusion 32 in the portion indicated by the arrow F, is connected to the adjacent protrusion 32 by the protrusion 32 ⁇ / b> A having a narrower width than the protrusion 32.
- periodically arranged unit structures may be connected by a connecting portion having a shape different from that of the unit structure.
- the thickness direction surface is a surface along the thickness direction, which is a direction connecting the first main surface and the second main surface. It is not limited to this, and includes a surface that is inclined obliquely with respect to the thickness direction.
- the unit structure arranged periodically may be a unit structure having the thickness direction surface, and the thickness direction surface may be formed on the inner side surface of the recess, or formed on the outer side surface of the protrusion. Also good.
- the base portion and the periodic arrangement structure portion may be integrally formed of the same material or may be formed of different members.
- the types of materials can be reduced, and the manufacturing process can be further simplified.
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Abstract
Description
1A…ベース部
1B…周期的構造体部
1a,1b…第1,第2の主面
1c…外表面
2…凹部
3~6…厚み方向面
7…底部
11…検出用構造体
12…ベース部材
12a,12b…第1,第2の主面
13…単位構造
14~17…厚み方向面
31…検出用構造体
32…突出部
33~36…第1~第4の側面
41…検出用構造体
42…突出部
43~46…側面
51…検出用構造体
52…周期的構造体部
52a…貫通孔
53~56…厚み方向面
61…検出用構造体
61a…外表面
62…周期的構造体部
62a…貫通孔
63~66…内側面
Claims (8)
- 電磁波が照射された場合の被測定物の保持の有無による共振特性の変化を検出して被測定物を検出する方法に用いられる検出用構造体であって、
厚み方向に対向する第1及び第2の主面を有する板状のベース部と、前記ベース部の第1の主面に設けられている周期的構造体部とを備え、
前記周期的構造体部は、前記ベース部の第1の主面の面方向において周期的に配置されている単位構造を有し、該単位構造は、前記厚み方向または該厚み方向に対して斜め方向に交差する方向に延びる厚み方向面を有する、検出用構造体。 - 前記周期的構造体部と、前記ベース部とが同じ材料により一体的に構成されている、請求項1に記載の検出用構造体。
- 前記周期的構造体部と前記ベース部とが別部材からなる、請求項1に記載の検出用構造体。
- 前記厚み方向面が前記単位構造において複数設けられており、該複数の面が、組み合わさって前記ベース部とは反対側に開いている1つの開口を形成しており、該開口に露出している底部が前記第1の主面により構成されている、請求項1~3のいずれか1項に記載の検出用構造体。
- 前記単位構造において、前記厚み方向面が複数設けられており、該複数の面が、前記ベース部とは反対側の端部において集合されており、該単位構造が、前記第1の主面から突出している形状を有する、請求項1~3のいずれか1項に記載の検出用構造体。
- 前記単位構造における前記開口と前記底部とを有する形状が、前記ベース部とは反対側の面に向かって開いた凹部であり、該凹部が角錐台状である、請求項4に記載の検出用構造体。
- 前記単位構造が、直方体状である、請求項5に記載の検出用構造体。
- 前記ベース部が導体からなる、請求項1~7のいずれか1項に記載の検出用構造体。
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CN201490000517.4U CN205175893U (zh) | 2013-03-22 | 2014-02-07 | 检测用构造体 |
JP2015506642A JPWO2014148140A1 (ja) | 2013-03-22 | 2014-02-07 | 検出用構造体 |
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JP2013059393 | 2013-03-22 | ||
JP2013-059393 | 2013-03-22 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004288240A (ja) * | 2003-03-19 | 2004-10-14 | Nec Corp | 光学素子および光ヘッドおよび光記録再生装置 |
JP2007139445A (ja) * | 2005-11-15 | 2007-06-07 | Canon Inc | 周期構造体、周期構造体を用いた素子、及び周期構造体の作製方法 |
WO2012132111A1 (ja) * | 2011-03-31 | 2012-10-04 | 株式会社村田製作所 | 測定構造体、その製造方法、および、それを用いた測定方法 |
WO2014017266A1 (ja) * | 2012-07-27 | 2014-01-30 | 株式会社村田製作所 | 空隙配置構造体およびそれを用いた測定方法 |
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2014
- 2014-02-07 WO PCT/JP2014/052870 patent/WO2014148140A1/ja active Application Filing
- 2014-02-07 CN CN201490000517.4U patent/CN205175893U/zh not_active Expired - Lifetime
- 2014-02-07 JP JP2015506642A patent/JPWO2014148140A1/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004288240A (ja) * | 2003-03-19 | 2004-10-14 | Nec Corp | 光学素子および光ヘッドおよび光記録再生装置 |
JP2007139445A (ja) * | 2005-11-15 | 2007-06-07 | Canon Inc | 周期構造体、周期構造体を用いた素子、及び周期構造体の作製方法 |
WO2012132111A1 (ja) * | 2011-03-31 | 2012-10-04 | 株式会社村田製作所 | 測定構造体、その製造方法、および、それを用いた測定方法 |
WO2014017266A1 (ja) * | 2012-07-27 | 2014-01-30 | 株式会社村田製作所 | 空隙配置構造体およびそれを用いた測定方法 |
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CN205175893U (zh) | 2016-04-20 |
JPWO2014148140A1 (ja) | 2017-02-16 |
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