US 2018/0018055 A1 · NANOCOMPOSITE FORCE SENSING MATERIAL

Abstract

Nanocomposite sensing materials are formulated with low aspect ratio conductive fillers with close to or higher than percolation threshold in a low Poisson's Ratio matrix binder with a high gauge factor, low temperature coefficient of resistance (TCR), low temperature coefficient of gauge factor (TCGF), and low hysteresis.

Claims26

Dependent claims

A piezo-resistive film comprising:

a conductive filler,
a monomer, oligomer, or polymer matrix, and
a substrate.

Dependencies are inferred from the claim text.

Facts

Application

15/648,011Filed 12 Jul 2017

Priority

12 Jul 2016

Published

18 Jan 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

H01H 59/0009
Electrostatic relays; Electro-adhesion relays: making use of micromechanics
G01B 7/18
For measuring the deformation in a solid, e.g. by resistance strain gauge: using change in resistance
G01L 1/18
Measuring force or stress, in general: using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies…
G01L 1/20
Measuring force or stress, in general: by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids ; by…

Family

Application62/361,133Us provisional application · filed 12 Jul 2016

Application62/365,055Us provisional application · filed 21 Jul 2016

Application62/367,180Us provisional application · filed 27 Jul 2016

US 10,379,654 B2Related patent

US 2018/0018055 A1This patent

From the US filing history. Foreign family members aren’t listed.

Abstract

Facts

Application

15/648,011Filed 12 Jul 2017

Priority

12 Jul 2016

Published

18 Jan 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

H01H 59/0009
Electrostatic relays; Electro-adhesion relays: making use of micromechanics
G01B 7/18
For measuring the deformation in a solid, e.g. by resistance strain gauge: using change in resistance
G01L 1/18
Measuring force or stress, in general: using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies…
G01L 1/20
Measuring force or stress, in general: by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids ; by…

Family

Application62/361,133Us provisional application · filed 12 Jul 2016

Application62/365,055Us provisional application · filed 21 Jul 2016

Application62/367,180Us provisional application · filed 27 Jul 2016

US 10,379,654 B2Related patent

US 2018/0018055 A1This patent

From the US filing history. Foreign family members aren’t listed.

Nanocomposite force sensing material

Life of this patent

Abstract

Claims26

Nanocomposite force sensing material

Life of this patent

Abstract

Claims26