JP4084803B2 - 歪みゲージ - Google Patents
歪みゲージ Download PDFInfo
- Publication number
- JP4084803B2 JP4084803B2 JP2004568566A JP2004568566A JP4084803B2 JP 4084803 B2 JP4084803 B2 JP 4084803B2 JP 2004568566 A JP2004568566 A JP 2004568566A JP 2004568566 A JP2004568566 A JP 2004568566A JP 4084803 B2 JP4084803 B2 JP 4084803B2
- Authority
- JP
- Japan
- Prior art keywords
- strain
- strain gauge
- semi
- rigid substrate
- foil
- 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.)
- Expired - Lifetime
Links
- 239000011888 foil Substances 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000009719 polyimide resin Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000005011 phenolic resin Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000914 Mn alloy Inorganic materials 0.000 description 1
- 229910018054 Ni-Cu Inorganic materials 0.000 description 1
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 229910018481 Ni—Cu Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
Description
kr(dl/l)=dr/r
dl/lは、負荷(応力)下の構造体に固着された時の、歪みゲージにかかる歪みであり、dr/rは、歪みによる相対的な抵抗の変化分であり、Kは定数である。歪みゲージの定数kは、抵抗の相対的な抵抗変化と歪みゲージの歪みとの比例定数である。定数kのことを、ゲージファクタと言う。このゲージファクタkは、通常は約2である。
12 基板
14 接着部
16 歪み感知フォイル
18A、18B ターミナル
20 帯電防止層
22 フォイルパターン
24 表面
Claims (16)
- 25.4 μ m(1mil)〜0.76mm(30mil)の厚さを有する半硬質の基板と、半硬質の基板にボンディングされ、歪みゲージが取り付けられた表面の歪みに基づいて抵抗値を変化させる抵抗型の歪み感知フォイルと、抵抗型の歪み感知フォイルに作動的に接続された第1及び第2のターミナルと、抵抗型の歪み感知フォイルの表面を被覆する帯電防止層を備えている歪みゲージ。
- 抵抗型の歪み感知フォイルは、50Ω〜10,000Ωの抵抗を有している、請求項1に記載の歪みゲージ。
- 帯電防止層により、歪みゲージを金属部分に半田付けできるようになっている、請求項1に記載の歪みゲージ。
- 抵抗型の歪み感知フォイルと対向する半硬質の基板の表面を被覆する帯電防止層をさらに備えている、請求項1に記載の歪みゲージ。
- 帯電防止層により、歪みゲージを金属部分に半田付けできるようになっている、請求項4に記載の歪みゲージ。
- 半硬質の基板は、ガラス繊維強化エポキシ樹脂である、請求項1に記載の歪みゲージ。
- 半硬質の基板は、ポリイミド樹脂である、請求項1に記載の歪みゲージ。
- 半硬質の基板は、フェノール樹脂である、請求項1に記載の歪みゲージ。
- リード線を容易に取り付けることができるように、第1及び第2のターミナルを、予め半田付けしてある、請求項1に記載の歪みゲージ。
- ゲージファクタが2である請求項1に記載の歪みゲージ。
- ゲージファクタが2となるように、抵抗型の歪み感知フォイル及び半硬質の基板を選択し、抵抗型の歪み感知フォイルを半硬質の基板にボンディングすること、第1及び第2のターミナルを抵抗型の歪み感知フォイルに取り付けること、および、帯電防止層を抵抗型の歪み感知フォイルの表面に取り付けることを含む歪みゲージの製造方法。
- 半硬質の基板の厚さは、 25.4 μ m ( 1mil )〜 0.76mm ( 30mil )である、請求項11に記載の方法。
- 帯電防止層は金属である、請求項11に記載の方法。
- テープ上で歪みゲージをパッケージングすることをさらに含む、請求項11に記載の方法。
- 振動ボウルを用いて、歪みゲージを振り分けることをさらに含む、請求項11に記載の方法。
- 25.4 μ m ( 1mil )〜 0.76mm ( 30mil )の厚さを有する半硬質の基板と、半硬質の基板にボンディングされ、歪みゲージが取り付けられた表面の歪みに基づいて抵抗値を変化させる抵抗型の歪み感知フォイルと、抵抗型の歪み感知フォイルに作動的に接続された第1及び第2のターミナルと、抵抗型の歪み感知フォイル表面を被覆する帯電防止層とを備え、半硬質の基板により、歪みゲージがテープ上でパッケージングされ、帯電防止層により、振動ボウルを用いて歪みゲージが振り分けられるようになっている歪みゲージ。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/368,922 US20040159162A1 (en) | 2003-02-19 | 2003-02-19 | Strain gage |
PCT/US2003/032105 WO2004074800A1 (en) | 2003-02-19 | 2003-10-09 | Strain gage |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005525582A JP2005525582A (ja) | 2005-08-25 |
JP4084803B2 true JP4084803B2 (ja) | 2008-04-30 |
Family
ID=32850243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004568566A Expired - Lifetime JP4084803B2 (ja) | 2003-02-19 | 2003-10-09 | 歪みゲージ |
Country Status (10)
Country | Link |
---|---|
US (1) | US20040159162A1 (ja) |
EP (1) | EP1530708B1 (ja) |
JP (1) | JP4084803B2 (ja) |
CN (1) | CN100357699C (ja) |
AT (1) | ATE326688T1 (ja) |
AU (1) | AU2003287046A1 (ja) |
DE (1) | DE60305326T2 (ja) |
HK (1) | HK1072465A1 (ja) |
TW (1) | TWI277728B (ja) |
WO (1) | WO2004074800A1 (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7150199B2 (en) * | 2003-02-19 | 2006-12-19 | Vishay Intertechnology, Inc. | Foil strain gage for automated handling and packaging |
DE102006021423B4 (de) * | 2006-05-05 | 2016-06-02 | Hottinger Baldwin Messtechnik Gmbh | Dehnungsmessstreifen für Messgrößenaufnehmer |
CN101614522B (zh) * | 2009-07-31 | 2011-03-02 | 中国航天科技集团公司第四研究院第四十四研究所 | 基于离子束技术的电阻应变计制作方法 |
CN102221325B (zh) * | 2010-04-13 | 2013-05-08 | 精量电子(深圳)有限公司 | 一种分离应变片的方法以及分离应变片的设备 |
CN102730632A (zh) * | 2012-07-12 | 2012-10-17 | 西北工业大学 | 一种基于mems的金属薄膜应变计加工方法 |
CN103727871A (zh) * | 2013-12-20 | 2014-04-16 | 广西科技大学 | 一种电阻应变片 |
CN105740490B (zh) * | 2014-12-10 | 2018-11-16 | 中国飞机强度研究所 | 一种虚拟应变片实现方法 |
CN106289598A (zh) * | 2016-10-31 | 2017-01-04 | 中航电测仪器股份有限公司 | 一种用于混凝土应力测试的电阻应变计 |
JP2019066453A (ja) | 2017-09-29 | 2019-04-25 | ミネベアミツミ株式会社 | ひずみゲージ |
JP2019066312A (ja) | 2017-09-29 | 2019-04-25 | ミネベアミツミ株式会社 | ひずみゲージ |
WO2019065841A1 (ja) * | 2017-09-29 | 2019-04-04 | ミネベアミツミ株式会社 | ひずみゲージ |
JP2019066454A (ja) * | 2017-09-29 | 2019-04-25 | ミネベアミツミ株式会社 | ひずみゲージ、センサモジュール |
JP6793103B2 (ja) | 2017-09-29 | 2020-12-02 | ミネベアミツミ株式会社 | ひずみゲージ |
JP2019113411A (ja) | 2017-12-22 | 2019-07-11 | ミネベアミツミ株式会社 | ひずみゲージ、センサモジュール |
JP2019184344A (ja) | 2018-04-05 | 2019-10-24 | ミネベアミツミ株式会社 | ひずみゲージ及びその製造方法 |
JP2020053433A (ja) * | 2018-09-21 | 2020-04-02 | Koa株式会社 | 歪センサ抵抗器 |
JPWO2020085247A1 (ja) | 2018-10-23 | 2021-09-16 | ミネベアミツミ株式会社 | アクセルペダル、ステアリング、ドア、ドア開閉システム |
CN109860384B (zh) * | 2019-01-17 | 2022-07-01 | 业成科技(成都)有限公司 | 应变规驱动压电装置 |
JP7406517B2 (ja) * | 2020-03-24 | 2023-12-27 | ミネベアミツミ株式会社 | ひずみゲージ |
DE202022002779U1 (de) | 2022-02-11 | 2023-05-22 | Balluff Gmbh | Dehnungsmessvorrichtung und Gesamtvorrichtung mit solch einer Dehnungsmessvorrichtung |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2728916A1 (de) * | 1977-06-27 | 1979-01-18 | Hottinger Messtechnik Baldwin | Verfahren und vorrichtung zum abdecken eines dehnungsmesstreifens |
DE2902242C2 (de) * | 1979-01-20 | 1981-03-26 | W.C. Heraeus Gmbh, 63450 Hanau | Dehnungsmeßstreifen |
DE3176209D1 (en) * | 1980-11-29 | 1987-06-25 | Tokyo Electric Co Ltd | Load cell and method of manufacturing the same |
US5140849A (en) * | 1990-07-30 | 1992-08-25 | Agency Of Industrial Science And Technology | Rolling bearing with a sensor unit |
FR2693795B1 (fr) * | 1992-07-15 | 1994-08-19 | Commissariat Energie Atomique | Jauge de contrainte sur support souple et capteur muni de ladite jauge. |
US5328551A (en) * | 1992-10-28 | 1994-07-12 | Eaton Corporation | Method of making high output strain gage |
US5780746A (en) * | 1996-08-07 | 1998-07-14 | Fel-Pro Incorporated | Minimum thickness force sensor with temperature compensation |
WO2001004594A1 (fr) * | 1999-07-09 | 2001-01-18 | Nok Corporation | Jauge de contrainte |
GB0006551D0 (en) * | 2000-03-17 | 2000-05-10 | Ind Dataloggers Limited | Improved train gauge devices |
US6494343B2 (en) * | 2001-02-15 | 2002-12-17 | Advanced Technology Materials, Inc. | Fluid storage and dispensing system featuring ex-situ strain gauge pressure monitoring assembly |
-
2003
- 2003-02-19 US US10/368,922 patent/US20040159162A1/en not_active Abandoned
- 2003-10-09 EP EP03777566A patent/EP1530708B1/en not_active Expired - Lifetime
- 2003-10-09 CN CNB200380100249XA patent/CN100357699C/zh not_active Expired - Fee Related
- 2003-10-09 JP JP2004568566A patent/JP4084803B2/ja not_active Expired - Lifetime
- 2003-10-09 AU AU2003287046A patent/AU2003287046A1/en not_active Abandoned
- 2003-10-09 AT AT03777566T patent/ATE326688T1/de not_active IP Right Cessation
- 2003-10-09 DE DE60305326T patent/DE60305326T2/de not_active Expired - Lifetime
- 2003-10-09 WO PCT/US2003/032105 patent/WO2004074800A1/en active IP Right Grant
-
2004
- 2004-05-14 TW TW093113646A patent/TWI277728B/zh not_active IP Right Cessation
-
2005
- 2005-06-16 HK HK05105053A patent/HK1072465A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US20040159162A1 (en) | 2004-08-19 |
DE60305326D1 (de) | 2006-06-22 |
DE60305326T2 (de) | 2007-03-29 |
EP1530708B1 (en) | 2006-05-17 |
WO2004074800A1 (en) | 2004-09-02 |
HK1072465A1 (en) | 2005-08-26 |
CN1692275A (zh) | 2005-11-02 |
EP1530708A1 (en) | 2005-05-18 |
JP2005525582A (ja) | 2005-08-25 |
TW200537082A (en) | 2005-11-16 |
AU2003287046A1 (en) | 2004-09-09 |
ATE326688T1 (de) | 2006-06-15 |
CN100357699C (zh) | 2007-12-26 |
TWI277728B (en) | 2007-04-01 |
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