Patent classifications
G01N29/2456
Device for controlling and measuring welding defects on a cylindrical wall and method implementing same
A device and method for inspecting and measuring weld defects in a cylindrical wall of a cylindrical conduit. The device can include an inspection head forming a probe having a proximal end and a distal end along its longitudinal axis, and of which a first side called “inner side” is provided with at least one ultrasound wave transducer. The inspection head can include a second side, called “outer side” opposite the first side that has a curved surface in the form of a cylinder fraction, and wherein the curved surface of the second side has outward facing convexity. The wave transducer can be formed of a series of juxtaposed elements, each element being both a transmitter and receiver, wherein a surface of the series is curved and in the form of a cylinder fraction, and wherein the surface of the series has outward facing concavity.
Multielement method and device for testing parts with ultrasound
A method for nondestructively testing a part comprising an elongate microstructure is disclosed. The method comprises: moving a linear transducer to a plurality of positions located facing a surface of the part, the linear transducer comprising a plurality of transducer elements that are aligned along a main direction; emitting a plurality of elementary ultrasonic beams, each of the plurality of elementary ultrasonic beams being emitted by each of the plurality of transducer elements in the direction of the surface; measuring a plurality of echo signals and a plurality of structural noises, each of the plurality of echo signals and each of the plurality of structural noises being measured by each of the plurality of transducer elements, each of the echo signals resulting from the backscatter of the elementary ultrasonic beams by a defect under the surface of the part, and each of the structural noises resulting from the backscatter of the elementary ultrasonic beams by the elongate microstructure; and determining a direction of elongation of the elongate microstructure when an amplitude of one among the plurality of measured structural noises is minimal in the plurality of positions. Furthermore, a non-destructive testing system for implementing the testing method is disclosed.
ULTRASONIC DEVICE
An ultrasonic device including: an element substrate including a diaphragm, a vibrator provided at the diaphragm, and a first electrode electrically coupled to the vibrator; a protective substrate that is provided at a position facing the element substrate and that includes a second electrode coupled to the first electrode at a position facing the first electrode; a through hole substrate that has a through hole and that faces the element substrate; and a container including a mounting surface on which the protective substrate is disposed, in which the vibrator is provided at a position overlapping the through hole when viewed from a facing direction in which the element substrate and the protective substrate face each other, and is surrounded by the element substrate, the protective substrate, and a jointing member, and the second electrode is provided at an opposite-side surface of the protective substrate from a jointing surface jointed with the mounting surface.
Ultrasonic analysis of a subject
A method of facilitating ultrasonic analysis of a subject is provided. The method involves producing signals for causing a set of outgoing ultrasonic signals to be transmitted to the subject, wherein the set of outgoing ultrasonic signals is defined at least in part by a variable imaging parameter that varies over time in accordance with a variable imaging parameter function, the variable imaging parameter function represented or representable at least in part by a function characteristic, receiving signals representing a time dependent representation of the subject generated from a set of received ultrasonic signals scattered by the subject, determining at least one property representation of the subject based on the function characteristic and the time dependent representation of the subject, and producing signals representing the at least one property representation of the subject to facilitate analysis of the subject. Systems, non-transitory computer readable media, and other methods are also provided.
SYSTEM AND METHOD FOR EVALUATING DEFECTS IN A MATERIAL
The present disclosure provides a system and method for real-time visualization of a material during ultrasonic non-destructive testing. The system includes a graphical user interface (GUI) capable of showing a three-dimensional (3-D) image of a composite laminate constructed of a series of two-dimensional (2-D) cross sections. The GUI is capable of displaying the 3-D image as each additional 2-D cross section is scanned by an ultrasonic testing apparatus in real time or near real time, including probable defect regions that contain a flaw such as a hole, crack, wrinkle, or foreign object within the composite. Furthermore, in one embodiment, the system includes an artificial intelligence capable of highlighting defect areas within the 3-D image in real time or near real time and providing data regarding each defect area, such as the depth, size, and/or type of each defect.
ULTRASOUND PROBE WITH ROW-COLUMN ADDRESSED ARRAY
An ultrasound probe can detect flaws in an object in a non-destructive manner. The probe includes a row-column addressed (RCA) array with a plurality of row and column electrodes. The row and column electrodes are configurable to have at least four states: 1) a transmission state, 2) a reception state, 3) a ground state, and 4) a high impedance state. The probe also includes a control circuit to operate the RCA array in different transmission and reception configurations.
ULTRASOUND PROBE WITH ROW-COLUMN ADDRESSED ARRAY
An ultrasound probe can detect flaws in an object in a non-destructive manner. The probe includes a row-column addressed (RCA) array with a plurality of row and column electrodes. The row and column electrodes are configurable to have at least four states: 1) a transmission state, 2) a reception state, 3) a ground state, and 4) a high impedance state. The probe also includes a control circuit to operate the RCA array in different transmission and reception configurations.
ULTRASONIC IMAGING DEVICE WITH PROGRAMMABLE ANATOMY AND FLOW IMAGING
An imaging device includes a transducer that includes an array of piezoelectric elements formed on a substrate. Each piezoelectric element includes at least one membrane suspended from the substrate, at least one bottom electrode disposed on the membrane, at least one piezoelectric layer disposed on the bottom electrode, and at least one top electrode disposed on the at least one piezoelectric layer. Adjacent piezoelectric elements are configured to be isolated acoustically from each other. The device is utilized to measure flow or flow along with imaging anatomy.
Acoustical lens and ultrasound transducer probe
An acoustical lens (20) for an ultrasound probe (14) is disclosed. The acoustical lens comprises an inner surface (26) for facing an emission surface (46) of an ultrasound transducer (40) and for receiving ultrasound waves from the ultrasound transducer. The acoustical lens further comprises an outer surface (24) for emitting the ultrasound waves received at the inner surface, wherein the inner surface is formed as a convexly curved surface and wherein at least one recess (34) is associated to an edge of the inner surface for capturing mold material.
ULTRASONIC WAVE AMPLIFYING UNIT AND NON-CONTACT ULTRASONIC WAVE TRANSDUCER USING SAME
An embodiment of the present invention provides an ultrasonic wave amplifying unit which can improve ultrasonic power in air, wherein the ultrasonic wave amplifying unit includes multiple rings having a concentric axis and each having a first width, and a slit having a second width is formed between the rings and an air layer is formed between the multiple rings and an ultrasonic wave generator generating ultrasonic waves or a transfer medium transferring the ultrasonic waves.