JP2015520975A - 多重周波数超広帯域幅変換器 - Google Patents
多重周波数超広帯域幅変換器 Download PDFInfo
- Publication number
- JP2015520975A JP2015520975A JP2015510309A JP2015510309A JP2015520975A JP 2015520975 A JP2015520975 A JP 2015520975A JP 2015510309 A JP2015510309 A JP 2015510309A JP 2015510309 A JP2015510309 A JP 2015510309A JP 2015520975 A JP2015520975 A JP 2015520975A
- Authority
- JP
- Japan
- Prior art keywords
- drive
- electrode
- signal
- transducer
- transducer element
- 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.)
- Granted
Links
- 230000004044 response Effects 0.000 claims abstract description 101
- 238000000034 method Methods 0.000 claims abstract description 38
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000035515 penetration Effects 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 36
- 239000000758 substrate Substances 0.000 claims description 20
- 230000003321 amplification Effects 0.000 claims description 14
- 230000001186 cumulative effect Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 abstract description 11
- 238000007493 shaping process Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 35
- 230000009977 dual effect Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- -1 etc. Inorganic materials 0.000 description 3
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002496 gastric effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910002711 AuNi Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005459 micromachining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0603—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a piezoelectric bender, e.g. bimorph
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0629—Square array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
- G01S15/8952—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using discrete, multiple frequencies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52079—Constructional features
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/521—Constructional features
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/101—Piezoelectric or electrostrictive devices with electrical and mechanical input and output, e.g. having combined actuator and sensor parts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/875—Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays of transducers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2047—Membrane type
- H10N30/2048—Membrane type having non-planar shape
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
本出願は、「多重周波数超広帯域幅変換器」という名称の2012年5月1日出願の米国特許仮出願第61/641,197号及び「多重周波数超広帯域幅変換器」という名称の2013年3月15日出願の米国特許出願第13/835,500号の利益を主張するものであり、これらの内容全体は、これにより全ての目的に対してその全体が本明細書に組み込まれる。
101 基板
110、120、130、140 要素集団
120” 駆動/感知電極レール
L1 長さ
Claims (20)
- 基板の上に配置された複数の圧電変換器要素集団であって、各要素集団が、異なるサイズの圧電膜を有する少なくとも第1及び第2の変換器要素を含み、各変換器要素が、圧電膜に結合された駆動/感知電極を有する前記複数の圧電変換器要素集団と、
前記基板の上に配置され、前記変換器要素集団のうちの1つのみに各セットが結合された複数のセットの電極レールであって、該セットのうちの第1の電極レールが、前記第1の変換器要素の前記駆動/感知電極に電気的に結合され、該セットのうちの第2の電極レールが、前記第2の変換器要素の前記駆動/感知電極に電気的に結合される前記複数のセットの電極レールと、
を含むことを特徴とする圧電微小超音波変換器(pMUT)アレイ。 - 各要素集団が、第1のサイズの圧電膜を有する複数の第1の変換器要素を含み、かつ第2のサイズの圧電膜を有する複数の第2の変換器要素を含み、
前記第1の電極レールは、前記第1の変換器要素の各々の前記駆動/感知電極に電気的に結合され、前記第2の電極レールは、前記第2の変換器要素の各々の前記駆動/感知電極に電気的に結合される、
ことを特徴とする請求項1に記載のpMUTアレイ。 - 前記第1の変換器要素は、該第1の変換器要素の最大と最小の間のサイズの差よりも小さいいずれか2つの隣接する膜の間のサイズの差を用いて前記基板の上の距離に沿ってサイズが順次増分されることを特徴とする請求項2に記載のpMUTアレイ。
- 各圧電変換器要素が、楕円体又は球体圧電膜を有することを特徴とする請求項3に記載のpMUTアレイ。
- 各要素集団が、i個の異なるサイズの圧電膜を有するn個の変換器要素を含み、前記電極レールのセットは、m個の電極レールを含み、
同じサイズのj個の変換器要素が、2よりも大きいn及びiを用いてm個の電極レールのうちの対応する1つに電気的に結合される、
ことを特徴とする請求項4に記載のpMUTアレイ。 - jが1よりも大きく、かつmが2に等しいことを特徴とする請求項5に記載のpMUTアレイ。
- 前記i個の変換器要素の第1の部分集合が、該i個の変換器要素の第2の部分集合によって前記第2の電極レールに出力されるi−y個の異なる周波数応答よりも低い周波数のものであるy個の異なる周波数応答を前記第1の電極レールに出力するためのものであることを特徴とする請求項5に記載のpMUTアレイ。
- 前記複数のセットの電極レールは、前記基板の第1の次元にわたって線形アレイを形成し、
前記圧電変換器要素集団の各々が、前記基板の第2の次元にわたって線形アレイを含み、
前記圧電膜は、異なる直径を有する円形又は球形である、
ことを特徴とする請求項1に記載のpMUTアレイ。 - 前記複数のセットの電極レールは、前記基板の第1及び第2の次元に沿って電極レールの2次元アレイを形成し、
前記圧電膜は、異なる直径を有する円形又は球形である、
ことを特徴とする請求項1に記載のpMUTアレイ。 - 媒質内に圧力波を発生してそれを感知するための装置であって、
請求項1に記載のpMUTアレイと、
第1の電極レール上に第1の電気駆動信号及び該第1の電極レール上に第2の電気駆動信号を印加するために前記pMUTアレイに結合された少なくとも1つの信号発生器と、
を含むことを特徴とする装置。 - 前記少なくとも1つの信号発生器は、異なる周波数、異なる振幅、又は異なる位相のうちの少なくとも1つを有する第1及び第2の電気駆動信号を出力するためのものであることを特徴とする請求項10に記載の装置。
- 第1の変換器要素が、第2の変換器要素よりも小さく、
前記第1の電気駆動信号は、前記第2の電気駆動信号のものよりも大きい電圧振幅を有する、
ことを特徴とする請求項10に記載の装置。 - 前記第1の電極レールから第1の電気応答信号及び第2の電極レールから第2の電気応答信号を受信するように前記pMUTアレイに結合された少なくとも1つの受信機と、
複数の駆動/感知電極から受信した前記電気応答信号を処理するように前記少なくとも1つの受信機に結合された信号プロセッサと、
を更に含むことを特徴とする請求項10に記載の装置。 - 前記第1の電気応答信号は、前記第2の電気応答信号のものよりも高い帯域幅を張る第1の周波数応答を有することを特徴とする請求項13に記載の装置。
- 第1の変換器要素が、第2の変換器要素よりも小さく、
前記信号プロセッサは、前記第2の電気応答信号に対するものよりも大きい増幅を前記第1の電気応答信号に対して印加するためのものである、
ことを特徴とする請求項13に記載の装置。 - 前記少なくとも1つの信号発生器は、前記第1及び第2の電気駆動信号を変調するためのものであり、
信号プロセッサが、前記第1及び第2の電気応答信号を変調して該第1又は第2の電気応答信号のいずれかよりも大きい帯域幅を有する累積周波数応答を発生させるためのものである、
ことを特徴とする請求項15に記載の装置。 - 請求項1に記載のpMUTアレイを用いて媒質内に圧力波を発生してそれを感知する方法であって、
第1の電気信号を発生させる段階と、
第2の電気信号を発生させる段階と、
前記第1の電気信号を第1の駆動/感知電極にかつ前記第2の電気信号を第2の駆動/感知電極に印加する段階と、
前記pMUTアレイの侵入深さを制御するために第1及び第2の信号のうちの一方の振幅及び位相のうちの少なくとも一方を他方に対して変調する段階と、
を含むことを特徴とする方法。 - 第1の変換器要素が、第2の変換器要素よりも小さく、
振幅及び位相のうちの少なくとも一方を変調する段階は、前記pMUTアレイの遠視野分解能を増大させるために前記第1の電気駆動信号の振幅を前記第2の電気駆動信号の振幅に対して低減する段階を更に含む、
ことを特徴とする請求項17に記載の方法。 - 前記第1の駆動/感知電極から第1の電気応答信号を受信する段階と、
前記第2の駆動/感知電極から第2の電気応答信号を受信する段階と、
前記第1及び第2の電気応答信号を信号処理して該第1又は第2の電気応答信号単独のいずれかよりも大きい帯域幅を有する累積周波数応答を発生させる段階と、
を更に含むことを特徴とする請求項17に記載の方法。 - 第1の変換器要素が、第2の変換器要素よりも小さく、
前記信号処理する段階は、前記pMUTアレイの近視野分解能を増大させるために前記第1の電気応答信号の増幅を前記第2の電気応答信号の増幅に対して増加させる段階、又は該pMUTアレイの遠視野分解能を増大させるために該第2の電気応答信号の該増幅を該第1の電気応答信号のものに対して増加させる段階を更に含む、
ことを特徴とする請求項19に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261641197P | 2012-05-01 | 2012-05-01 | |
US61/641,197 | 2012-05-01 | ||
US13/835,500 | 2013-03-15 | ||
US13/835,500 US8767512B2 (en) | 2012-05-01 | 2013-03-15 | Multi-frequency ultra wide bandwidth transducer |
PCT/US2013/037382 WO2013165706A2 (en) | 2012-05-01 | 2013-04-19 | Multi-frequency ultra wide bandwidth transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015520975A true JP2015520975A (ja) | 2015-07-23 |
JP6190450B2 JP6190450B2 (ja) | 2017-08-30 |
Family
ID=49512421
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015510309A Active JP6190450B2 (ja) | 2012-05-01 | 2013-04-19 | 多重周波数超広帯域幅変換器 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8767512B2 (ja) |
EP (1) | EP2844401B1 (ja) |
JP (1) | JP6190450B2 (ja) |
KR (2) | KR20190120417A (ja) |
CN (1) | CN104271265B (ja) |
WO (1) | WO2013165706A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020500682A (ja) * | 2016-12-04 | 2020-01-16 | イーエックスオー イメージング インコーポレイテッド | 直接相互接続機能をもつ低電圧、低電力memsトランスデューサ |
Families Citing this family (69)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2938918B1 (fr) * | 2008-11-21 | 2011-02-11 | Commissariat Energie Atomique | Procede et dispositif d'analyse acoustique de microporosites dans un materiau tel que le beton a l'aide d'une pluralite de transducteurs cmuts incorpores dans le materiau |
CN106269451B (zh) | 2011-02-15 | 2020-02-21 | 富士胶卷迪马蒂克斯股份有限公司 | 使用微圆顶阵列的压电式换能器 |
US8767512B2 (en) * | 2012-05-01 | 2014-07-01 | Fujifilm Dimatix, Inc. | Multi-frequency ultra wide bandwidth transducer |
US9660170B2 (en) | 2012-10-26 | 2017-05-23 | Fujifilm Dimatix, Inc. | Micromachined ultrasonic transducer arrays with multiple harmonic modes |
US9457379B2 (en) * | 2012-12-10 | 2016-10-04 | Apple Inc. | Ultrasonic MEMS transmitter |
US9323397B2 (en) * | 2013-03-11 | 2016-04-26 | The Regents Of The University Of California | In-air ultrasonic rangefinding and angle estimation |
JP2015008777A (ja) * | 2013-06-27 | 2015-01-19 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 超音波診断装置及びその制御プログラム |
JP6221582B2 (ja) * | 2013-09-30 | 2017-11-01 | セイコーエプソン株式会社 | 超音波デバイスおよびプローブ並びに電子機器および超音波画像装置 |
KR101883209B1 (ko) * | 2013-12-12 | 2018-08-30 | 퀄컴 인코포레이티드 | 마이크로기계식 초음파 트랜스듀서 및 디스플레이 |
US10605903B2 (en) * | 2014-03-18 | 2020-03-31 | Duke University | pMUT array for ultrasonic imaging, and related apparatuses, systems, and methods |
US10888084B2 (en) | 2015-07-15 | 2021-01-12 | Nrg Systems, Inc. | Ultrasonic bat deterrent system |
KR101575086B1 (ko) * | 2015-09-08 | 2015-12-07 | 주식회사 알지에스전자 | 초음파를 이용한 터치입력 처리시스템 |
DE112016005038B4 (de) | 2015-11-03 | 2023-03-16 | Nrg Systems Inc. | Techniken zur Bereitsstellung einer Breitband-Ultraschallwandlervorrichtung mit einer Vielzahl von Schmalband-Wandlerarrays und ein Verfahren zur Wildtierabwehr unter Verwendung derselben |
US10325915B2 (en) | 2016-05-04 | 2019-06-18 | Invensense, Inc. | Two-dimensional array of CMOS control elements |
US10670716B2 (en) | 2016-05-04 | 2020-06-02 | Invensense, Inc. | Operating a two-dimensional array of ultrasonic transducers |
US10656255B2 (en) | 2016-05-04 | 2020-05-19 | Invensense, Inc. | Piezoelectric micromachined ultrasonic transducer (PMUT) |
US10445547B2 (en) | 2016-05-04 | 2019-10-15 | Invensense, Inc. | Device mountable packaging of ultrasonic transducers |
US10315222B2 (en) | 2016-05-04 | 2019-06-11 | Invensense, Inc. | Two-dimensional array of CMOS control elements |
US10452887B2 (en) | 2016-05-10 | 2019-10-22 | Invensense, Inc. | Operating a fingerprint sensor comprised of ultrasonic transducers |
US10600403B2 (en) | 2016-05-10 | 2020-03-24 | Invensense, Inc. | Transmit operation of an ultrasonic sensor |
US10539539B2 (en) | 2016-05-10 | 2020-01-21 | Invensense, Inc. | Operation of an ultrasonic sensor |
US10706835B2 (en) | 2016-05-10 | 2020-07-07 | Invensense, Inc. | Transmit beamforming of a two-dimensional array of ultrasonic transducers |
US10562070B2 (en) | 2016-05-10 | 2020-02-18 | Invensense, Inc. | Receive operation of an ultrasonic sensor |
US11673165B2 (en) * | 2016-05-10 | 2023-06-13 | Invensense, Inc. | Ultrasonic transducer operable in a surface acoustic wave (SAW) mode |
US10441975B2 (en) | 2016-05-10 | 2019-10-15 | Invensense, Inc. | Supplemental sensor modes and systems for ultrasonic transducers |
US10632500B2 (en) | 2016-05-10 | 2020-04-28 | Invensense, Inc. | Ultrasonic transducer with a non-uniform membrane |
US10408797B2 (en) | 2016-05-10 | 2019-09-10 | Invensense, Inc. | Sensing device with a temperature sensor |
US10856840B2 (en) * | 2016-06-20 | 2020-12-08 | Butterfly Network, Inc. | Universal ultrasound device and related apparatus and methods |
US11712221B2 (en) | 2016-06-20 | 2023-08-01 | Bfly Operations, Inc. | Universal ultrasound device and related apparatus and methods |
JP6801469B2 (ja) * | 2017-01-20 | 2020-12-16 | コニカミノルタ株式会社 | 超音波診断装置 |
JP6874463B2 (ja) * | 2017-03-27 | 2021-05-19 | セイコーエプソン株式会社 | 圧電素子、圧電アクチュエーター、超音波探触子、超音波装置、電子機器、液体噴射ヘッド、及び液体噴射装置 |
US10891461B2 (en) | 2017-05-22 | 2021-01-12 | Invensense, Inc. | Live fingerprint detection utilizing an integrated ultrasound and infrared sensor |
US10474862B2 (en) | 2017-06-01 | 2019-11-12 | Invensense, Inc. | Image generation in an electronic device using ultrasonic transducers |
TWI616793B (zh) * | 2017-06-13 | 2018-03-01 | 透明超音波換能器輸入裝置 | |
US10643052B2 (en) | 2017-06-28 | 2020-05-05 | Invensense, Inc. | Image generation in an electronic device using ultrasonic transducers |
JP6685982B2 (ja) * | 2017-09-20 | 2020-04-22 | 株式会社東芝 | トランスデューサおよび検査装置 |
WO2019109010A1 (en) | 2017-12-01 | 2019-06-06 | Invensense, Inc. | Darkfield tracking |
US10984209B2 (en) | 2017-12-01 | 2021-04-20 | Invensense, Inc. | Darkfield modeling |
US10997388B2 (en) | 2017-12-01 | 2021-05-04 | Invensense, Inc. | Darkfield contamination detection |
US11151355B2 (en) | 2018-01-24 | 2021-10-19 | Invensense, Inc. | Generation of an estimated fingerprint |
US10477321B2 (en) * | 2018-03-05 | 2019-11-12 | Google Llc | Driving distributed mode loudspeaker actuator that includes patterned electrodes |
US10755067B2 (en) | 2018-03-22 | 2020-08-25 | Invensense, Inc. | Operating a fingerprint sensor comprised of ultrasonic transducers |
TWI650697B (zh) * | 2018-03-26 | 2019-02-11 | 國立高雄科技大學 | 主動式超音波輸入裝置 |
JP7127510B2 (ja) * | 2018-11-22 | 2022-08-30 | セイコーエプソン株式会社 | 超音波素子、及び超音波装置 |
US11185886B2 (en) | 2018-11-30 | 2021-11-30 | Vanguard Iniernational Semiconductor Singapore Pte. Ltd. | Microelectromechanical systems, devices, and methods for fabricating a microelectromechanical systems device, and methods for generating a plurality of frequencies |
US10936843B2 (en) | 2018-12-28 | 2021-03-02 | Invensense, Inc. | Segmented image acquisition |
WO2020263875A1 (en) | 2019-06-24 | 2020-12-30 | Invensense, Inc. | Fake finger detection using ridge features |
EP3756773A1 (en) * | 2019-06-24 | 2020-12-30 | Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO | Control of a piezoelectric transducer array |
WO2020264046A1 (en) | 2019-06-25 | 2020-12-30 | Invensense, Inc. | Fake finger detection based on transient features |
US11216632B2 (en) | 2019-07-17 | 2022-01-04 | Invensense, Inc. | Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness |
US11176345B2 (en) | 2019-07-17 | 2021-11-16 | Invensense, Inc. | Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness |
US11232549B2 (en) | 2019-08-23 | 2022-01-25 | Invensense, Inc. | Adapting a quality threshold for a fingerprint image |
CN110749343A (zh) * | 2019-09-29 | 2020-02-04 | 杭州电子科技大学 | 基于六边形网格布局的多频带mems超声换能器阵列 |
US11392789B2 (en) | 2019-10-21 | 2022-07-19 | Invensense, Inc. | Fingerprint authentication using a synthetic enrollment image |
US11701688B2 (en) * | 2019-12-02 | 2023-07-18 | GE Precision Healthcare LLC | Methods and systems for multi-frequency transducer array fabrication |
EP4100176B1 (en) | 2020-03-09 | 2024-10-09 | InvenSense, Inc. | Ultrasonic fingerprint sensor with a contact layer of non-uniform thickness |
US11243300B2 (en) | 2020-03-10 | 2022-02-08 | Invensense, Inc. | Operating a fingerprint sensor comprised of ultrasonic transducers and a presence sensor |
EP3900846A1 (en) * | 2020-04-21 | 2021-10-27 | Koninklijke Philips N.V. | Acoustic imaging probe with a transducer element |
US11328165B2 (en) | 2020-04-24 | 2022-05-10 | Invensense, Inc. | Pressure-based activation of fingerprint spoof detection |
JP7524633B2 (ja) * | 2020-06-30 | 2024-07-30 | セイコーエプソン株式会社 | 超音波デバイス |
DE102020208572A1 (de) * | 2020-07-08 | 2022-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | MEMS-Vorrichtung mit Berührungssensorelement und Näherungssensorelement |
US11995909B2 (en) | 2020-07-17 | 2024-05-28 | Tdk Corporation | Multipath reflection correction |
FR3116630B1 (fr) * | 2020-11-26 | 2023-06-02 | Commissariat A L’Energie Atomique Et Aux Energies Alternatives | Interface haptique |
DE102021201784A1 (de) | 2021-02-25 | 2022-08-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | MEMS-Schallwandler-Array |
KR102566502B1 (ko) * | 2021-03-30 | 2023-08-16 | (주)무티 | 마이크로머시닝된 초음파 트랜스듀서 어레이를 포함하는 초음파 깊이별 다중집속 장치 및 그 동작방법 |
CN114145713A (zh) * | 2021-11-30 | 2022-03-08 | 深圳先进技术研究院 | 一种双频内窥导管及成像装置 |
KR102608498B1 (ko) * | 2022-03-17 | 2023-12-04 | 한국과학기술원 | 다중 주파수 정전용량형 미세가공 초음파 트랜스듀서 및 이의 제조 방법 |
CN118041279A (zh) * | 2022-11-03 | 2024-05-14 | 广州乐仪投资有限公司 | 具有质量块的pmut结构及包含其的电子设备 |
US20240206979A1 (en) * | 2022-12-26 | 2024-06-27 | SoundCath, Inc. | Endobronchial ultrasound-guided transbronchial needle aspiration (ebus-tbna) bronchoscope |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63106553A (ja) * | 1986-10-22 | 1988-05-11 | Nippon Dempa Kogyo Co Ltd | 超音波探触子 |
JP2006075425A (ja) * | 2004-09-10 | 2006-03-23 | Toshiba Corp | 超音波プローブおよび超音波画像診断装置 |
WO2007046180A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi, Ltd. | 超音波トランスデューサ、超音波探触子および超音波撮像装置 |
US20080013405A1 (en) * | 2006-07-13 | 2008-01-17 | Postech Foundation | Ultrasonic transducer for ranging measurement with high directionality using parametric transmitting array in air and a method for manufacturing same |
Family Cites Families (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398116A (en) | 1981-04-30 | 1983-08-09 | Siemens Gammasonics, Inc. | Transducer for electronic focal scanning in an ultrasound imaging device |
US4725994A (en) * | 1984-06-14 | 1988-02-16 | Kabushiki Kaisha Toshiba | Ultrasonic transducer with a multiple-folded piezoelectric polymer film |
JPH03141936A (ja) | 1989-10-30 | 1991-06-17 | Fujitsu Ltd | 超音波探触子 |
US5969621A (en) | 1997-04-30 | 1999-10-19 | Endress + Hauser Gmbh + Co. | Apparatus for establishing and/or monitoring a predetermined filling level in a container |
US6262946B1 (en) | 1999-09-29 | 2001-07-17 | The Board Of Trustees Of The Leland Stanford Junior University | Capacitive micromachined ultrasonic transducer arrays with reduced cross-coupling |
US20020115198A1 (en) | 2000-09-20 | 2002-08-22 | Nerenberg Michael I. | Microfabricated ultrasound array for use as resonant sensors |
US6771006B2 (en) | 2002-01-18 | 2004-08-03 | Pegasus Technologies Ltd. | Cylindrical ultrasound transceivers |
US6958255B2 (en) | 2002-08-08 | 2005-10-25 | The Board Of Trustees Of The Leland Stanford Junior University | Micromachined ultrasonic transducers and method of fabrication |
US6865140B2 (en) | 2003-03-06 | 2005-03-08 | General Electric Company | Mosaic arrays using micromachined ultrasound transducers |
US20040190377A1 (en) | 2003-03-06 | 2004-09-30 | Lewandowski Robert Stephen | Method and means for isolating elements of a sensor array |
JP2007523738A (ja) * | 2003-11-05 | 2007-08-23 | ザ・クレスト・グループ・インク | 複数の応答周波数を持つトランスデューサを用いた超音波処理方法および超音波処理装置 |
US7646133B2 (en) * | 2004-02-27 | 2010-01-12 | Georgia Tech Research Corporation | Asymmetric membrane cMUT devices and fabrication methods |
WO2005120130A1 (ja) * | 2004-06-03 | 2005-12-15 | Olympus Corporation | 静電容量型超音波振動子とその製造方法、静電容量型超音波プローブ |
JP5275565B2 (ja) | 2004-06-07 | 2013-08-28 | オリンパス株式会社 | 静電容量型超音波トランスデューサ |
JP4575372B2 (ja) * | 2004-06-10 | 2010-11-04 | オリンパス株式会社 | 静電容量型超音波プローブ装置 |
US8182428B2 (en) * | 2005-07-26 | 2012-05-22 | Surf Technology As | Dual frequency band ultrasound transducer arrays |
WO2007013814A2 (en) | 2005-07-26 | 2007-02-01 | Angelsen Bjoern A J | Dual frequency band ultrasound transducer arrays |
EP1764162B1 (en) | 2005-09-14 | 2008-04-30 | Esaote S.p.A. | Electro-acoustic transducer for high frequency applications |
US8456958B2 (en) | 2006-02-21 | 2013-06-04 | Vermon S.A. | Capacitive micro-machined ultrasonic transducer for element transducer apertures |
JP4839099B2 (ja) | 2006-03-03 | 2011-12-14 | オリンパスメディカルシステムズ株式会社 | マイクロマシンプロセスにより製造された超音波振動子、超音波振動子装置、その体腔内超音波診断装置、及びその制御方法 |
US7652410B2 (en) | 2006-08-01 | 2010-01-26 | Insightec Ltd | Ultrasound transducer with non-uniform elements |
KR20130014619A (ko) | 2006-11-03 | 2013-02-07 | 리써치 트라이앵글 인스티튜트 | 굴곡 모드 압전 트랜스듀서를 사용하는 보강된 초음파 촬영 프로브 |
US7687976B2 (en) | 2007-01-31 | 2010-03-30 | General Electric Company | Ultrasound imaging system |
JP5049340B2 (ja) | 2007-03-20 | 2012-10-17 | 株式会社日立メディコ | 超音波探触子及び超音波診断装置 |
EP2174359A2 (en) | 2007-07-03 | 2010-04-14 | Koninklijke Philips Electronics N.V. | Thin film detector for presence detection |
EP2207484B1 (en) * | 2007-09-17 | 2016-11-09 | Koninklijke Philips N.V. | Production of pre-collapsed capacitive micro-machined ultrasonic transducers and applications thereof |
US8529454B2 (en) * | 2007-12-10 | 2013-09-10 | Stc.Unm | Photoacoustic imaging devices and methods of imaging |
DE102007063470A1 (de) * | 2007-12-20 | 2009-07-02 | IFW - Leibniz-Institut für Festkörper- und Werkstoffforschung Dresden e.V. | Wandler, Resonator und Filter für akustische Oberflächenwellen |
US7625268B2 (en) | 2007-12-24 | 2009-12-01 | Earl Durjan | Fish cleaning apparatus |
JP5438983B2 (ja) | 2008-02-08 | 2014-03-12 | 株式会社東芝 | 超音波プローブ及び超音波診断装置 |
US8327711B2 (en) | 2008-02-20 | 2012-12-11 | Omron Corporation | Electrostatic capacitive vibrating sensor |
US7902722B2 (en) | 2008-04-03 | 2011-03-08 | Dvx, Llc | Transducer apparatus for intravascular blood flow measurement |
JP4594995B2 (ja) | 2008-04-16 | 2010-12-08 | オリンパスメディカルシステムズ株式会社 | 超音波トランスデューサ及び電子機器 |
JP2009260723A (ja) | 2008-04-17 | 2009-11-05 | Asahi Kasei Electronics Co Ltd | トランスデューサ |
FR2938918B1 (fr) | 2008-11-21 | 2011-02-11 | Commissariat Energie Atomique | Procede et dispositif d'analyse acoustique de microporosites dans un materiau tel que le beton a l'aide d'une pluralite de transducteurs cmuts incorpores dans le materiau |
JP5293557B2 (ja) | 2008-12-17 | 2013-09-18 | セイコーエプソン株式会社 | 超音波トランスデューサー、超音波トランスデューサーアレイ及び超音波デバイス |
CN102281818B (zh) | 2009-01-16 | 2013-11-06 | 株式会社日立医疗器械 | 超声波探头的制造方法以及超声波探头 |
JP5578810B2 (ja) | 2009-06-19 | 2014-08-27 | キヤノン株式会社 | 静電容量型の電気機械変換装置 |
CN101583062A (zh) | 2009-06-26 | 2009-11-18 | 电子科技大学 | 阵列式微型声频定向换能器 |
US9327316B2 (en) | 2009-06-30 | 2016-05-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Multi-frequency acoustic array |
KR101593994B1 (ko) | 2009-09-04 | 2016-02-16 | 삼성전자주식회사 | 고출력 초음파 트랜스듀서 |
JP2011076725A (ja) | 2009-09-29 | 2011-04-14 | Fujifilm Corp | 圧電型mems素子およびその製造方法 |
WO2011094393A1 (en) | 2010-01-29 | 2011-08-04 | Research Triangle Institute | Methods for forming piezoelectric ultrasonic transducers, and associated apparatuses |
JP5588745B2 (ja) | 2010-05-27 | 2014-09-10 | オムロン株式会社 | 音響トランスデューサ、および該音響トランスデューサを利用したマイクロフォン |
WO2012014111A2 (en) * | 2010-07-30 | 2012-02-02 | Koninklijke Philips Electronics N.V. | Thin film ultrasound transducer |
JP5872163B2 (ja) | 2011-01-07 | 2016-03-01 | オムロン株式会社 | 音響トランスデューサ、および該音響トランスデューサを利用したマイクロフォン |
KR20120080882A (ko) * | 2011-01-10 | 2012-07-18 | 삼성전자주식회사 | 음향 변환기 및 그 구동방법 |
CN106269451B (zh) | 2011-02-15 | 2020-02-21 | 富士胶卷迪马蒂克斯股份有限公司 | 使用微圆顶阵列的压电式换能器 |
CN201993187U (zh) | 2011-03-07 | 2011-09-28 | 合肥工业大学 | 多功能柔性触觉传感器 |
CN102305627B (zh) | 2011-07-22 | 2013-02-27 | 上海交通大学 | 具有圆盘状压电振子的全固态双轴陀螺仪 |
US9061320B2 (en) * | 2012-05-01 | 2015-06-23 | Fujifilm Dimatix, Inc. | Ultra wide bandwidth piezoelectric transducer arrays |
US8767512B2 (en) * | 2012-05-01 | 2014-07-01 | Fujifilm Dimatix, Inc. | Multi-frequency ultra wide bandwidth transducer |
US9454954B2 (en) * | 2012-05-01 | 2016-09-27 | Fujifilm Dimatix, Inc. | Ultra wide bandwidth transducer with dual electrode |
US9660170B2 (en) * | 2012-10-26 | 2017-05-23 | Fujifilm Dimatix, Inc. | Micromachined ultrasonic transducer arrays with multiple harmonic modes |
-
2013
- 2013-03-15 US US13/835,500 patent/US8767512B2/en active Active
- 2013-04-19 WO PCT/US2013/037382 patent/WO2013165706A2/en active Application Filing
- 2013-04-19 JP JP2015510309A patent/JP6190450B2/ja active Active
- 2013-04-19 KR KR1020197030208A patent/KR20190120417A/ko active IP Right Grant
- 2013-04-19 CN CN201380023369.8A patent/CN104271265B/zh active Active
- 2013-04-19 EP EP13719351.2A patent/EP2844401B1/en active Active
- 2013-04-19 KR KR1020147031335A patent/KR102035884B1/ko active Application Filing
-
2014
- 2014-05-28 US US14/289,139 patent/US9647195B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63106553A (ja) * | 1986-10-22 | 1988-05-11 | Nippon Dempa Kogyo Co Ltd | 超音波探触子 |
JP2006075425A (ja) * | 2004-09-10 | 2006-03-23 | Toshiba Corp | 超音波プローブおよび超音波画像診断装置 |
WO2007046180A1 (ja) * | 2005-10-18 | 2007-04-26 | Hitachi, Ltd. | 超音波トランスデューサ、超音波探触子および超音波撮像装置 |
US20090301200A1 (en) * | 2005-10-18 | 2009-12-10 | Hiroki Tanaka | Ultrasonic transducer, ultrasonic probe, and ultrasonic imaging device |
US20080013405A1 (en) * | 2006-07-13 | 2008-01-17 | Postech Foundation | Ultrasonic transducer for ranging measurement with high directionality using parametric transmitting array in air and a method for manufacturing same |
JP2008020429A (ja) * | 2006-07-13 | 2008-01-31 | Pohang Eng College | 空気中のパラメトリック・トランスミッティング・アレイを用いた超指向性超音波距離測定のためのmemsに基づく多共振超音波トランスデューサ及びその製作方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020500682A (ja) * | 2016-12-04 | 2020-01-16 | イーエックスオー イメージング インコーポレイテッド | 直接相互接続機能をもつ低電圧、低電力memsトランスデューサ |
JP7055816B2 (ja) | 2016-12-04 | 2022-04-18 | イーエックスオー イメージング インコーポレイテッド | 直接相互接続機能をもつ低電圧、低電力memsトランスデューサ |
US11712222B2 (en) | 2016-12-04 | 2023-08-01 | Exo Imaging, Inc. | Configurable ultrasonic imager |
US11759175B2 (en) | 2016-12-04 | 2023-09-19 | Exo Imaging, Inc. | Configurable ultrasonic imager |
Also Published As
Publication number | Publication date |
---|---|
EP2844401A2 (en) | 2015-03-11 |
US20140269204A1 (en) | 2014-09-18 |
US20130294202A1 (en) | 2013-11-07 |
CN104271265A (zh) | 2015-01-07 |
JP6190450B2 (ja) | 2017-08-30 |
US8767512B2 (en) | 2014-07-01 |
CN104271265B (zh) | 2018-02-06 |
WO2013165706A2 (en) | 2013-11-07 |
KR20150005962A (ko) | 2015-01-15 |
KR20190120417A (ko) | 2019-10-23 |
KR102035884B1 (ko) | 2019-10-24 |
WO2013165706A3 (en) | 2014-03-20 |
EP2844401B1 (en) | 2022-08-03 |
US9647195B2 (en) | 2017-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6190450B2 (ja) | 多重周波数超広帯域幅変換器 | |
US9454954B2 (en) | Ultra wide bandwidth transducer with dual electrode | |
US11779957B2 (en) | Method of making micromachined ultrasonic transducer arrays | |
US9061320B2 (en) | Ultra wide bandwidth piezoelectric transducer arrays | |
CN104811872B (zh) | 电声转换器 | |
CN117563930A (zh) | 基于压电效应的微机械超声换能器及医学成像装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160415 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170313 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170323 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170623 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170705 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170804 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6190450 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |