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Class 29/621.1 - Strain gauge making


Subclass of Class 29 - Metal working
Definition: Process under 610.1 wherein the resistor is an element of
No. of patents: 201
Last issue date: 10/11/2011


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NumberTitleIssue Date
8033009Method for producing a force sensor
There is provided a method for producing a force sensor including: a force sensor chip; and an attenuator, in which the force sensor chip and the attenuator are joined at joint portions with a glass layer sandwiched therebetween. The method includes: a film forming ...
10/11/2011
7950139Method of making a deposit on an SiC-covered substrate
The invention relates to a method of depositing a coating on a part having its surface made of silicon carbide. The method comprises the following steps: a) applying laser treatment to the SiC surface by superposing laser impacts for the purpose of incr...
05/31/2011
7627943Method of manufacturing a pressure sensor
A method of manufacturing a pressure sensor is provided whereby the pressure sensor includes a joint, a diaphragm, and an adapter disposed between the joint and the diaphragm. The adapter includes an axis portion and a flange projecting in a radial direction from th...
12/08/2009
7398587Method for manufacturing a capacitance type sensor with a movable electrode
Disclosed is a method for manufacturing a capacitance type sensor comprising an insert molding process for insert-molding, with an insulating material, a part of a lead wire of a leadframe and a range of the leadframe including the capacitance element electrode, the...
07/15/2008
7363814Multi-axial angular velocity sensor
An angular velocity sensor for detecting angular velocity about a Z-axis in an XYZ coordinate system has a substrate oscillator, a flexible member for connecting the oscillator to a casing, a device for oscillating the oscillator in an X-axis direction, and a detect...
04/29/2008
7360455Force detector and acceleration detector and method of manufacturing the same
An electrode layer is formed on the upper surface of a first substrate, and a processing for partially removing the substrate is carried out in order to allow the substrate to have flexibility. To the lower surface of the first substrate, a second substrate is conne...
04/22/2008
7347099Pressure transducer with external heater
An improved pressure transducer is disclosed. The transducer includes a connector, an enclosure, a sensor portion, and an external heater disposed to heat the sensor portion. In some aspects, the sensor portion includes a sensor constructed from a brittle material a...
03/25/2008
7318358Strain sensor that compensates for thermal strain
A strain sensor includes a sensor body extending substantially in a plane. The sensor body is substantially symmetric in the plane about a first axis and a second axis that is perpendicular to the first axis. The sensor body includes a plurality of sensor body porti...
01/15/2008
7313854Method of manufacturing a tactile sensor
A method of manufacturing a tactile sensor, which is capable of implementing a wide range of senses, including sensing contact pressure (vertical force and horizontal force) with an external object and heat caused by the contact pressure, comprises forming a side bl...
01/01/2008
7249501Pressure distribution measurement system
A pressure distribution measurement system for measuring a pressure distribution on a measurement object. A flexible sheet-form pressure detection member includes a plurality of pressure passages extending in parallel and a pressure detection hole opened in each of ...
07/31/2007
7243558Bonding of strain gauges to the deformable body of a force-measuring cell
In a force-measuring cell with a deformable body and with at least one strain gauge which has a strain-sensitive electrical resistor track arranged on a polymer carrier substrate, the strain gauge is bonded to the deformable body by an adhesive layer of an inorganic...
07/17/2007
7231802Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing the apparatus
A sensor comprises a semiconductor pellet (10) including a working portion (11) adapted to undergo action of a force, a fixed portion (13) fixed on the sensor body, and a flexible portion (13) having flexibility formed therebetween, a wor...
06/19/2007
7219561Force-detecting device
Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, four columnar force transm...
05/22/2007
7197940Moisture protection for an electromechanical transducer
A multilayered coating is disclosed as a protective coating against moisture penetration for strain gauges that are or can be installed on a deformable body of a force-measuring cell. A strain gauge has a strain-sensitive electrical resistor track and connector elec...
04/03/2007
7194923Strain detector and pressure sensor
A thin-film resistor (5) provided on a strain-generating part (2) via an insulating film (4) and an electrode thin-film (6) including an electrode pad (10) arranged in the thin-film resistor (5) are provided. The thin-film r...
03/27/2007
7181831Method of manufacturing strain sensor
A strain sensor comprising a metal substrate, a first electrode provided on the metal substrate, a glass layer formed on the first electrode, and a second electrode and a strain detecting resistor provided on the glass layer. In the strain sensor, the insulation res...
02/27/2007
7178402Pressure measuring device for vacuum systems
A pressure-measuring device is configured for use in vacuum systems, which are used for surface coating or modification of objects and/or substrates in an inner receptacle inside a processing chamber. Elastic elements or portions are fabricated in the inner receptac...
02/20/2007
7168352Process for sawing substrate strip
A process for sawing a substrate strip marks corresponding to substrate areas of substrate strips which are arranged side-by-side on a plate. A saw machine is mechanically moved to the substrate areas and positioned by the alignment marks of corresponding substrate ...
01/30/2007
7152485Acceleration detector
An electrode layer is formed on the upper surface of a first substrate, and a processing for partially removing the substrate is carried out in order to allow the substrate to have flexibility. To the lower surface of the first substrate, a second substrate is conne...
12/26/2006
7121147Force detection device
Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, at least two columnar forc...
10/17/2006
7123028Force detector
The invention provides a force detector in which power consumption is suppressed. Four electrodes E11 through E14 are formed on a substrate, and an elastic deformable body formed of a rubber film is disposed thereon. A conductive coating is applied on ...
10/17/2006
7075527Input device of rotational operation quantity and operating device using this
An efficient rotational-operation-quantity input device suitable to be built into a small electrical appliance is provided. An operational force applied by an operator is input in time series as a coordinate value (x, y) in an XY two-dimensional rectangular coordina...
07/11/2006
7065861Method of producing a strain-sensitive resistor arrangement
The invention relates to a strain-sensitive resistor, comprising a resistance layer arranged on a support element and an electromechanical transducer produced with this resistor. An increase in the electrical measured signal picked off across the resistor is ...
06/27/2006
7059188Angular velocity sensor
A flexible substrate (110) having flexibility and a fixed substrate (120) disposed so as to oppose it are supported at their peripheral portions by a sensor casing (140). An oscillator (130) is fixed on the lower surface of the flexible s...
06/13/2006
7043831Method for fabricating a test interconnect for bumped semiconductor components by forming recesses and cantilevered leads on a substrate
A method for fabricating an interconnect for semiconductor components includes the steps of: providing a substrate; forming a metal layer on the substrate; etching projections in the metal layer; etching the metal layer to form patterns of leads; etching recesses in...
05/16/2006
7036384Pressure sensor
A pressure sensor includes a semiconductor substrate having a diaphragm in which an electrical circuit including a gauge resistance is formed, an insulation film provided on a surface of the semiconductor substrate, an Al film provided on the insulation film and ele...
05/02/2006
7036385Pressure sensor and related method
A pressure sensor and related manufacturing method are disclosed wherein a connector case 10 is coupled to a housing 30 in a unitary structure. The connector case 10 includes a primary resin section 101 that enfolds and seals a terminal
05/02/2006
6993828Method for manufacturing metal thin film resistor
A metal resistor and a method for manufacturing the resistor are provided. A first insulation film is formed on a substrate, a photosensitive film is applied on the insulation film, and an insulation film pattern is formed by patterning the insulation film. After a ...
02/07/2006
6992367Process for forming a buried cavity in a semiconductor material wafer and a buried cavity
The process comprises the steps of forming, on top of a semiconductor material wafer, a holed mask having a lattice structure and comprising a plurality of openings each having a substantially square shape and a side with an inclination of 45° with respect to the f...
01/31/2006
6983521Method of manufacturing a strain element
The invention relates to a method of manufacturing a strain element. In one aspect, the method of the invention comprises forming a coating film of titanium or a titanium compound on a surface of a cylindrical mold, and shaping the coating film like a coil. The meth...
01/10/2006
6941810Angular velocity sensor
An angular velocity sensor for detecting an angular velocity component includes an oscillator having mass, a sensor casing for accommodating the oscillator therewithin, a flexible member for connecting the oscillator to the sensor casing so that the oscillator can b...
09/13/2005
6920788Acceleration sensor
An acceleration sensor in a connecting portion connects a displacing section to a fixed section and a weight is connected to the displacing section from below. A pedestal is disposed adjacent to the weight and is connected to the fixed section by a pedestal joint la...
07/26/2005
6915709Force detection device
Forces and moments are detected in a distinguishing manner by a simple structure. A supporting member (20) is positioned below a force receiving member (10), which receives forces to be detected, and between these components, at least two columnar forc...
07/12/2005
6865799Method of manufacturing strain-detecting devices
A method of manufacturing strain-detecting devices is provided. First, plural cylindrical substrates, each of which has one end closed by a diaphragm, are fixedly placed at predetermined positions of a fixing plate. A positioning marker is previously given to the fi...
03/15/2005
6842965Method for manufacturing a strain detector
A strain detector where water does not reach a strain-resistance element and which supplies stable output at all times is provided. In the strain detector, a first protective layer made of glass is disposed to cover an insulating substrate and the strain-resistance ...
01/18/2005
6842970Method of producing a strain-sensitive resistor
A method of producing a strain sensitive resistor includes matching an area of a film insulating layer to a shape of a recess in a surface of a support element. The film insulating area is applied to the support element so that the area of the film matching the shap...
01/18/2005
6725514Method of making thick film pressure and temperature sensors on a stainless steel diaphragm
A method of making a low-cost metal diaphragm sensor that integrates both pressure and temperature sensing in a single sensor assembly utilizes thick-film processing to form a circuit including stress and temperature sensitive elements on the outboard or exposed sur...
04/27/2004
6684487Method of producing a load cell
A load cell is constructed with several strain gauges. Each of the strain gauges are formed with a meandering conductive portion on a substrate or base member. Portions of the meandering conductive layer defines a predetermined tab ratio. The base member ...
02/03/2004
6651315Electrical devices
An electrical device which comprises first and second laminar electrodes and a laminar PTC resistive element sandwiched between them, the device comprising: (a) a main portion which comprises a main part of the first electrode, a main part of the seco...
11/25/2003
6571456Method for making torsional sensing load cells
A method for manufacturing a torsional sensing load cell includes providing a member configured to sense torsion. Strain gauges are provided on selected portions of the member, such that torsion force produced an applied load is detected by the strain gau...
06/03/2003
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