GB2423646A - Variable Conductance Materials - Google Patents

Variable Conductance Materials Download PDF

Info

Publication number
GB2423646A
GB2423646A GB0606873A GB0606873A GB2423646A GB 2423646 A GB2423646 A GB 2423646A GB 0606873 A GB0606873 A GB 0606873A GB 0606873 A GB0606873 A GB 0606873A GB 2423646 A GB2423646 A GB 2423646A
Authority
GB
United Kingdom
Prior art keywords
variable conductance
conductance materials
materials
density
solid density
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.)
Pending
Application number
GB0606873A
Other versions
GB0606873D0 (en
Inventor
David Lussey
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.)
Peratech Ltd
Original Assignee
Peratech Ltd
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 Peratech Ltd filed Critical Peratech Ltd
Publication of GB0606873D0 publication Critical patent/GB0606873D0/en
Publication of GB2423646A publication Critical patent/GB2423646A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
    • H01C10/106—Adjustable resistors adjustable by mechanical pressure or force on resistive material dispersed in an elastic material
    • 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
    • H01C17/06513—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component
    • H01C17/06526—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the resistive component composed of metals
    • 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
    • H01C17/06573—Precursor compositions therefor, e.g. pastes, inks, glass frits characterised by the permanent binder

Abstract

A variable conductance material comprising a thermoplastic carrier composition having dispersed therein finely divided particles of at least one electrically conductive metal or metal oxide filler having a bulk density that is between 25% and 50% of its solid density, preferably 30% to 40% of its solid density.

Description

GB 2423646 A continuation (74) Agent and/or Address for Service: Mew burn
Ellis LLP York House, 23 Kingsway, LONDON, WC2B 6HP, United Kingdom
GB0606873A 2003-09-20 2004-09-17 Variable Conductance Materials Pending GB2423646A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0322057A GB0322057D0 (en) 2003-09-20 2003-09-20 Variable conductance materials
PCT/GB2004/003966 WO2005029514A1 (en) 2003-09-20 2004-09-17 Variable conductance materials

Publications (2)

Publication Number Publication Date
GB0606873D0 GB0606873D0 (en) 2006-05-17
GB2423646A true GB2423646A (en) 2006-08-30

Family

ID=29266356

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0322057A Ceased GB0322057D0 (en) 2003-09-20 2003-09-20 Variable conductance materials
GB0606873A Pending GB2423646A (en) 2003-09-20 2004-09-17 Variable Conductance Materials

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0322057A Ceased GB0322057D0 (en) 2003-09-20 2003-09-20 Variable conductance materials

Country Status (2)

Country Link
GB (2) GB0322057D0 (en)
WO (1) WO2005029514A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8587422B2 (en) 2010-03-31 2013-11-19 Tk Holdings, Inc. Occupant sensing system
US8725230B2 (en) 2010-04-02 2014-05-13 Tk Holdings Inc. Steering wheel with hand sensors
US8983732B2 (en) 2010-04-02 2015-03-17 Tk Holdings Inc. Steering wheel with hand pressure sensing
US9007190B2 (en) 2010-03-31 2015-04-14 Tk Holdings Inc. Steering wheel sensors
US9696223B2 (en) 2012-09-17 2017-07-04 Tk Holdings Inc. Single layer force sensor
US9727031B2 (en) 2012-04-13 2017-08-08 Tk Holdings Inc. Pressure sensor including a pressure sensitive material for use with control systems and methods of using the same
GB2564337B (en) * 2015-12-15 2020-03-25 Lussey David Electrically conductive composition

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0708702D0 (en) * 2007-05-04 2007-06-13 Peratech Ltd Polymer composition
US8230600B2 (en) 2007-09-17 2012-07-31 The Gillette Company Cartridge detachment sensor
DE102009044627B4 (en) 2009-11-23 2020-06-10 Contitech Luftfedersysteme Gmbh Air spring with QTC switch
GB2539697A (en) * 2015-06-25 2016-12-28 Lussey David Improved conductive polymer
WO2018128583A1 (en) 2017-01-04 2018-07-12 Mas Innovation (Private) Limited Wearable touch button assembly

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138369A (en) * 1976-10-02 1979-02-06 Japan Synthetic Rubber Co., Ltd. Pressure sensitive conductor and method of manufacturing the same
GB2054277A (en) * 1979-06-28 1981-02-11 Shinetsu Polymer Co Pressure-sensitive electroconductive bodies
US4610808A (en) * 1982-07-19 1986-09-09 Mitech Corporation Conductive resinous composites
WO1999038173A1 (en) * 1998-01-23 1999-07-29 Peratech Ltd. Polymer composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138369A (en) * 1976-10-02 1979-02-06 Japan Synthetic Rubber Co., Ltd. Pressure sensitive conductor and method of manufacturing the same
GB2054277A (en) * 1979-06-28 1981-02-11 Shinetsu Polymer Co Pressure-sensitive electroconductive bodies
US4610808A (en) * 1982-07-19 1986-09-09 Mitech Corporation Conductive resinous composites
WO1999038173A1 (en) * 1998-01-23 1999-07-29 Peratech Ltd. Polymer composition

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8587422B2 (en) 2010-03-31 2013-11-19 Tk Holdings, Inc. Occupant sensing system
US9007190B2 (en) 2010-03-31 2015-04-14 Tk Holdings Inc. Steering wheel sensors
US8725230B2 (en) 2010-04-02 2014-05-13 Tk Holdings Inc. Steering wheel with hand sensors
US8983732B2 (en) 2010-04-02 2015-03-17 Tk Holdings Inc. Steering wheel with hand pressure sensing
US9727031B2 (en) 2012-04-13 2017-08-08 Tk Holdings Inc. Pressure sensor including a pressure sensitive material for use with control systems and methods of using the same
US9696223B2 (en) 2012-09-17 2017-07-04 Tk Holdings Inc. Single layer force sensor
GB2564337B (en) * 2015-12-15 2020-03-25 Lussey David Electrically conductive composition

Also Published As

Publication number Publication date
GB0606873D0 (en) 2006-05-17
WO2005029514A1 (en) 2005-03-31
GB0322057D0 (en) 2003-10-22

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