JP6813461B2 - シートセンサ - Google Patents
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- JP6813461B2 JP6813461B2 JP2017179108A JP2017179108A JP6813461B2 JP 6813461 B2 JP6813461 B2 JP 6813461B2 JP 2017179108 A JP2017179108 A JP 2017179108A JP 2017179108 A JP2017179108 A JP 2017179108A JP 6813461 B2 JP6813461 B2 JP 6813461B2
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
- G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/165—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means by means of cables or similar elongated devices, e.g. tapes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/20—Status alarms responsive to moisture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2414—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
図1に示すように、シートセンサ1は、厚み方向に導電性を有し、一方面が検知対象物2との接触面となる異方導電性シート3と、異方導電性シート3の他方面に電気的に接合され、互いに電気的に絶縁された複数の導電部材4とを有している。
図1にも示すように、異方導電性シート3は、分散配置された複数の導電性粒子9と、導電性粒子9の一方部位及び他方部位を、異方導電性シート3の一方面及び他方面にそれぞれ露出させたシート状の絶縁性樹脂10とを有している。換言すれば、異方導電性シート3は、絶縁性樹脂10の厚みが導電性粒子9の平均粒径よりも小さく設定されることによって、導電性粒子9が絶縁性樹脂10からなるシートの両面に露出された構成にされている。これにより、シートセンサ1は、異方導電性シート3に対して加熱や加圧等により導電性粒子9同士を加圧方向に接触させる処理を行うことなく、異方導電性シート3に導電部材4を接合するだけの簡単な処理で形成することができる。
処理、イオン処理、オゾン処理、プライマー処理、放電処理及びグラフト重合
が例示される。
図1に示すように、導電部材4は、線状にそれぞれ形成され、且つ、並列に配置されている。また、導電部材4の形成方向は、導電部材4の並列方向に対して直交する方向に設定されている。これにより、シートセンサ1は、線状の導電部材4の形成方向の任意の位置において断面構造が同一となる。この結果、導電部材4の形成方向において任意の長さに切断した場合でも、同一性能のシートセンサ1を得ることができる。
アクリル系樹脂、エポキシ系樹脂、シリコン系樹脂、熱可塑性エラストマ系樹脂、ゴム系樹脂、ポリエステル系樹脂、ウレタン系樹脂等の樹脂に、導電性粒子を混練することによって、導電性のインキを作成した。具体的には、エポキシ系樹脂を20重量部と溶媒80重量部に、デンドライト状の導電性粒子(平均粒子径:7μm〜12μm)5.5重量部を加えて、導電性の液状のインキである導電性インキを得た。この後、導電性インキを転写フィルムの剥離面上に塗布及び乾燥することによって異方導電層を形成し、異方導電層の厚みが10μm〜12μmの範囲の異方導電性シート3と、17μm〜18μmの範囲の異方導電性シート3と、24μm〜26μmの範囲の異方導電性シート3とをそれぞれ作成した。
不織布を乾燥させた状態と、不織布を水で湿潤させた状態とについて、導電部材4・間及び銅箔接点間の電気抵抗値をそれぞれ3回ずつ測定した。測定結果を表1に示す。
2 検知対象物
3 異方導電性シート
3a スリット
4 導電部材
5 検知用接点
6 不織布層
7 絶縁フィルム
8 絶縁シート
9 導電性粒子
10 絶縁性樹脂
Claims (11)
- 厚み方向に導電性を有し、一方面が検知対象物との接触面となる異方導電性シートと、
前記異方導電性シートの他方面に電気的に接合され、互いに電気的に絶縁された複数の導電部材と
を有し、
前記異方導電性シートの一方面が、親水性を有することを特徴とする液体を検知するためのシートセンサ。 - 前記導電部材は、線状にそれぞれ形成され、且つ、並列に配置されており、
前記導電部材の並列方向に対して直交する方向に、前記導電部材の形成方向が設定されていることを特徴とする請求項1に記載の液体を検知するためのシートセンサ。 - 前記導電部材は、線状にそれぞれ形成され、且つ、前記異方導電性シートの幅方向の一端側から他端側にかけて並列に配置されていることを特徴とする請求項1に記載の液体を検知するためのシートセンサ。
- 前記異方導電性シートの一方面に、不織布からなる層が形成されていることを特徴とする請求項3に記載の液体を検知するためのシートセンサ。
- 前記異方導電性シートの一方面に、前記導電部材を交差する方向のスリットが形成されていることを特徴とする請求項3に記載の液体を検知するためのシートセンサ。
- 前記異方導電性シートは、前記導電部材の間に頂部を有する凹形状に形成されていることを特徴とする請求項1に記載の液体を検知するためのシートセンサ。
- 前記異方導電性シートの他方面に接合され、前記導電部材を前記異方導電性シートとで挟み込んだ絶縁シートを有することを特徴とする請求項1に記載の液体を検知するためのシートセンサ。
- 前記導電部材の少なくとも一部が前記異方導電性シートの内部に埋没されていることを特徴とする請求項1に記載の液体を検知するためのシートセンサ。
- 前記導電部材同士は、絶縁フィルムを介して接触されていることを特徴とする請求項8に記載の液体を検知するためのシートセンサ。
- 前記異方導電性シートは、
分散配置された複数の導電性粒子と、
前記導電性粒子の一方部位及び他方部位を、前記異方導電性シートの一方面及び他方面にそれぞれ露出させたシート状の絶縁性樹脂と
を有していることを特徴とする請求項1に記載の液体を検知するためのシートセンサ。 - 厚み方向に導電性を有し、厚み方向に積層された一対の異方導電性シートと、
前記異方導電性シート間に配置された複数の導電部材とを有し、
前記導電部材は、前記異方導電性シートに電気的に接合され、互いに電気的に絶縁されていることを特徴とする液体を検知するためのシートセンサ。
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