WO2004097857A3 - Thick film thermistor - Google Patents

Thick film thermistor Download PDF

Info

Publication number
WO2004097857A3
WO2004097857A3 PCT/US2004/011101 US2004011101W WO2004097857A3 WO 2004097857 A3 WO2004097857 A3 WO 2004097857A3 US 2004011101 W US2004011101 W US 2004011101W WO 2004097857 A3 WO2004097857 A3 WO 2004097857A3
Authority
WO
WIPO (PCT)
Prior art keywords
pair
support substrate
electrical conductors
thick film
film thermistor
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.)
Ceased
Application number
PCT/US2004/011101
Other languages
French (fr)
Other versions
WO2004097857A2 (en
Inventor
Robert Podoloff
Bob Goldman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joyson Safety Systems Inc
Original Assignee
Joyson Safety Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Joyson Safety Systems Inc filed Critical Joyson Safety Systems Inc
Priority to EP04760249A priority Critical patent/EP1618573A2/en
Publication of WO2004097857A2 publication Critical patent/WO2004097857A2/en
Publication of WO2004097857A3 publication Critical patent/WO2004097857A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/223—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor characterised by the shape of the resistive element
    • 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
    • G01L1/2293—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 of the semi-conductor type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
    • H01C17/06—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base
    • H01C17/065—Apparatus or processes specially adapted for manufacturing resistors adapted for coating resistive material on a base by thick film techniques, e.g. serigraphy
    • H01C17/06506—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component
    • H01C17/06533—Precursor compositions therefor, e.g. pastes, inks, glass frits or green body characterised by the resistive component composed of oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/008—Thermistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Nonlinear Science (AREA)
  • Thermistors And Varistors (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The design of a thermistor (30) maximizes the temperature sensitive effects of the semiconductive inks while minimizing or eliminating the force sensitive effects. The design provides for an integrated force and temperature sensor having reduced costs, improved sensitivity and reproducibility, and greater reliability. A thick film thermistor has a pair of shaped electrical conductors (410, 420) deposited on a first support substrate (220), A temperature sensitive ink layer (310) is deposited over the pair of electrical conductors (410, 420) so that the ink layer is coextensive with the pair of electrical conductors. A second support substrate (210) is bonded to the first support substrate (220).
PCT/US2004/011101 2003-04-25 2004-04-13 Thick film thermistor Ceased WO2004097857A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04760249A EP1618573A2 (en) 2003-04-25 2004-04-13 Thick film thermistor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46527003P 2003-04-25 2003-04-25
US60/465,270 2003-04-25

Publications (2)

Publication Number Publication Date
WO2004097857A2 WO2004097857A2 (en) 2004-11-11
WO2004097857A3 true WO2004097857A3 (en) 2005-07-07

Family

ID=33418216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/011101 Ceased WO2004097857A2 (en) 2003-04-25 2004-04-13 Thick film thermistor

Country Status (3)

Country Link
US (1) US20040217844A1 (en)
EP (1) EP1618573A2 (en)
WO (1) WO2004097857A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060020415A1 (en) * 2004-07-23 2006-01-26 Hardwicke Canan U Sensor and method for making same
US20120163120A1 (en) * 2010-12-28 2012-06-28 Pearce Richard E Passive noise cancelling piezoelectric sensor apparatus and method of use thereof
US8695431B2 (en) * 2010-12-28 2014-04-15 Solid Seismic, Llc Flexible microsphere coated piezoelectric acoustic sensor apparatus and method of use therefor
ES2687656T3 (en) * 2012-01-30 2018-10-26 Pst Sensors (Pty) Limited Large area temperature sensor
FI129739B (en) * 2021-06-08 2022-08-15 Teknologian Tutkimuskeskus Vtt Oy Improved negative temperature coefficient thermistor
PL243747B1 (en) * 2021-06-21 2023-10-09 Politechnika Lodzka A method of producing an organic resistor with the required resistance by inkjet printing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541570A (en) * 1994-12-09 1996-07-30 Force Imaging Technologies, Inc. Force sensing ink, method of making same and improved force sensor
US5847639A (en) * 1994-02-17 1998-12-08 Yaniger; Stuart I. Layered pressure transducer land method for making same
US6388556B1 (en) * 2000-09-07 2002-05-14 Fujikura Ltd. Film pressure sensitive resistor and pressure sensitive sensor
US6531951B2 (en) * 1998-09-11 2003-03-11 I.E.E. International Electronics & Engineering S.A.R.L. Force sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748174A (en) * 1968-12-30 1973-07-24 Gen Electric Thin film nickel temperature sensor
US3932312A (en) * 1974-04-01 1976-01-13 Beckman Instruments, Inc. Constant temperature coefficient thick film thermistor
US4041440A (en) * 1976-05-13 1977-08-09 General Motors Corporation Method of adjusting resistance of a thick-film thermistor
US4332081A (en) * 1978-06-22 1982-06-01 North American Philips Corporation Temperature sensor
US4856993A (en) * 1985-03-29 1989-08-15 Tekscan, Inc. Pressure and contact sensor system for measuring dental occlusion
US5296837A (en) * 1992-07-10 1994-03-22 Interlink Electronics, Inc. Stannous oxide force transducer and composition
US5302936A (en) * 1992-09-02 1994-04-12 Interlink Electronics, Inc. Conductive particulate force transducer
US6317248B1 (en) * 1998-07-02 2001-11-13 Donnelly Corporation Busbars for electrically powered cells

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5847639A (en) * 1994-02-17 1998-12-08 Yaniger; Stuart I. Layered pressure transducer land method for making same
US5541570A (en) * 1994-12-09 1996-07-30 Force Imaging Technologies, Inc. Force sensing ink, method of making same and improved force sensor
US6531951B2 (en) * 1998-09-11 2003-03-11 I.E.E. International Electronics & Engineering S.A.R.L. Force sensor
US6388556B1 (en) * 2000-09-07 2002-05-14 Fujikura Ltd. Film pressure sensitive resistor and pressure sensitive sensor

Also Published As

Publication number Publication date
US20040217844A1 (en) 2004-11-04
WO2004097857A2 (en) 2004-11-11
EP1618573A2 (en) 2006-01-25

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