CN104395747A - Ultrasonic testing device and method of assembly - Google Patents

Ultrasonic testing device and method of assembly Download PDF

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Publication number
CN104395747A
CN104395747A CN 201380032684 CN201380032684A CN104395747A CN 104395747 A CN104395747 A CN 104395747A CN 201380032684 CN201380032684 CN 201380032684 CN 201380032684 A CN201380032684 A CN 201380032684A CN 104395747 A CN104395747 A CN 104395747A
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CN
China
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plurality
printed circuit
ultrasonic
transducer
back
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CN 201380032684
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Chinese (zh)
Inventor
Y.奥伯德菲尔
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通用电气公司
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Priority to US13/527,672 priority Critical patent/US8869994B2/en
Application filed by 通用电气公司 filed Critical 通用电气公司
Priority to PCT/US2013/042247 priority patent/WO2013191847A1/en
Publication of CN104395747A publication Critical patent/CN104395747A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • G01N29/2487Directing probes, e.g. angle probes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/10Number of transducers
    • G01N2291/106Number of transducers one or more transducer arrays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/263Surfaces
    • G01N2291/2636Surfaces cylindrical from inside

Abstract

The present application provides an ultrasonic testing device. The ultrasonic testing device includes a conical backing and an ultrasonic transducer assembly positioned on the conical backing. The ultrasonic transducer assembly includes a printed circuit substrate with a number of separate transducer elements.

Description

超声测试装置和组装方法 Ultrasonic testing apparatus and method of assembling the

技术领域 FIELD

[0001] 本发明大致涉及用于非破坏性测试的超声装置,并且更具体地涉及具有圆锥形阵列的独立换能器元件的超声测试装置及其组装方法,圆锥形阵列的独立换能器元件之间具有间隙。 [0001] The present invention generally relates to an apparatus for ultrasonic nondestructive testing, and more particularly, to an independent transducer elements and a method of assembling an ultrasonic testing apparatus, a conical array of independent transducer element array having a conical a gap between.

背景技术 Background technique

[0002] 比如为超声测试的非破坏性测试可被用于检查各种类型的材料和部件。 [0002] For example, non-destructive testing is ultrasound testing can be used for various types of materials and parts inspection. 特别地,超声测试是用于发现大多数类型的传声材料中的比如为厚度等的内部缺陷和/或材料特性的适当的方法。 In particular, for example, ultrasonic testing is a suitable method for acoustically most types of internal defects such as thickness and / or material properties was found. 这种传声材料包括大多数金属以及其他类型的基本刚性材料。 This sound-transmitting material comprises a substantially rigid material, and other types of most metals. 通常所述,这种缺陷或特性可以基于声波在具有一般高精度的部件的边界表面上的反射的变化来进行检测。 The Typically, such defects or characteristics may change based on the acoustic wave having reflected on the boundary surface of the member to be detected with high accuracy in general.

[0003] 例如为其中具有孔的管或轴杆的超声测试可能需要利用圆锥形阵列以在某些入射角下进行测试。 [0003] wherein, for example, ultrasonic testing has a hole of the pipe shaft or a conical array may require the use of testing under certain incident angle. 在形成圆锥形阵列的过程中,大量换能器元件可以围绕周缘定位以便确保沿旋转方向完全覆盖。 In the process of forming a conical array, a large number of transducer elements may be positioned around the circumference of the rotational direction so as to ensure complete coverage. 此外,定相的能力需要具有在给定波长范围内的宽度的几个换能器元件。 Furthermore, the ability is required to have several phasing the transducer elements of a given width in the wavelength range. 但是,考虑到需要将元件手动地定位和附装在换能器元件上,定位换能器元件可能是耗时的。 However, considering the need to manually locate and element attached to the transducer element, the transducer element positioning can be time consuming. 此外,尽管基体材料可被用于接触线性阵列的大量元件,这种基体已不能够适应圆锥形阵列的结构。 Further, although the matrix material may be used in contact with a large number of linear array elements, this base body has a conical structure can not adapt to the array.

[0004] 因此,存在对于利用圆锥形阵列的改进的超声测试装置以及组装该超声测试装置的方法的需求。 [0004] Accordingly, a need exists for an improved use of a conical array ultrasonic testing apparatus and method for ultrasonic testing of the assembled apparatus. 优选地,这种圆锥形阵列能够借助于软性印刷电路基体材料容纳大量换能器元件,同时避免手动组装所需的时间和费用。 Preferably, such a conical array by means of a flexible printed circuit substrate material accommodating a large number of transducer elements, while avoiding the time and expense required for assembling manually.

发明内容 SUMMARY

[0005] 在一个示例性实施例中,提供一种超声测试装置。 [0005] In one exemplary embodiment, an ultrasonic testing apparatus. 超声测试装置可以包括圆锥形背部和定位在圆锥形背部上的超声换能器组件。 Ultrasonic testing apparatus may comprise a conical back and positioned on the conical back of the ultrasonic transducer assembly. 超声换能器组件可以包括具有多个独立的换能器元件的印刷电路基体。 Ultrasonic transducer assembly may include a printed circuit substrate having a plurality of independent transducer elements.

[0006] 在另一个示例性实施例中,提供一种组装超声测试装置的方法。 [0006] In another exemplary embodiment, there is provided a method of assembling an ultrasonic testing apparatus. 该方法可以包括以下步骤:将至少一个换能器附装至印刷电路基体,将多个独立的换能器元件设置在印刷电路基体上,将印刷电路基体附装至背部,以及将独立的换能器元件越过背部折叠成圆锥形阵列。 The method may include the steps of: at least one transducer is attached to a printed circuit substrate, a plurality of independent transducer elements arranged on the printed circuit substrate, printed wiring substrate is attached to the back, and the separate transducer It is folded back over the transducer element array conically.

[0007] 在另一个示例性实施例中,提供一种超声测试装置。 [0007] In another exemplary embodiment, there is provided an ultrasonic testing apparatus. 超声测试装置可以包括构造成圆锥形阵列的背部、定位在背部上的印刷电路基体以及用于生产多个分离的超声波并且附装到印刷电路基体上的装置。 Ultrasonic testing apparatus may comprise an array of conically configured back device on the printed circuit substrate of the printed circuit on the back of the base body and for producing a plurality of separate and attached to the ultrasonic positioning.

[0008] 在结合几幅附图和所附权利要求阅览以下详细说明的情况下,本领域技术人员将更清楚地理解本发明的这些以及其他特征和改进。 [0008] In the case in conjunction with the several drawings and the appended claims reading the following detailed description, those skilled in the art will be more clearly understood that these and other features and improvements of the present invention.

附图说明 BRIEF DESCRIPTION

[0009] 图1是示出构造为圆锥形阵列的超声装置的示意图。 [0009] FIG. 1 is a schematic configuration diagram illustrating an ultrasonic apparatus conical array.

[0010] 图2是图1的超声装置的侧面俯视图。 [0010] FIG. 2 is a side ultrasonic device of FIG. 1 is a plan view.

[0011] 图3是构造为如本文中所描述的圆锥形阵列的超声装置的示意图。 [0011] FIG. 3 is a schematic diagram of a conical array of ultrasonic apparatus described herein is constructed.

[0012] 图4是可以与图3的位于间隔切口之前的超声装置一起使用的超声换能器组件的示意图。 [0012] FIG. 4 is a schematic diagram which may be used with a spacer located before the notch in the ultrasonic device of FIG. 3 ultrasound transducer assembly.

[0013] 图5是可以与图3的位于间隔切口之后的超声装置一起使用的超声换能器组件的示意图。 [0013] FIG. 5 is a schematic view of the transducer assembly can be of FIG. 3 for use with ultrasound ultrasound device located after the interval cuts.

[0014] 图6是图2的具有超声换能器组件的圆锥形阵列的示意性平面图。 [0014] FIG. 6 is a schematic plan view of a conical array of ultrasonic transducer assembly of FIG.

[0015] 图7是本文中的组装步骤的流程图。 [0015] FIG. 7 is a flowchart of the assembly steps described herein.

具体实施方式 Detailed ways

[0016] 现在参考附图,其中相同的数字在全部几个视图中指代相同的元件,图1和图2示出超声测试装置10。 [0016] Referring now to the drawings, wherein like numerals in the several views of the same elements to refer to FIG. 1 and FIG. 2 shows the ultrasonic testing apparatus 10. 超声测试装置10可被构造为圆锥形阵列15。 Ultrasonic testing apparatus 10 may be configured as a conical array 15. 圆锥形阵列15包括具有基本圆锥形形状的背部20。 Conical array 15 comprises a substantially conical shape having a back 20. 超声测试装置10还包括多个换能器25。 Ultrasonic testing apparatus 10 further comprises a plurality of transducers 25. 换能器25可以围绕圆锥形阵列15的背部20定位。 Transducer 25 may be positioned around the cone-shaped array 15 of the back 20. 换能器25 —般手动地定位和粘合至背部20。 Transducer 25 - generally manually positioned and adhered to the back 20. 圆锥形阵列15的使用使得声波通过换能器25以所需的入射角传播。 15 makes use of a conical array of acoustic waves propagating through the transducer 25 at a desired angle of incidence. 超声测试装置10可被插入管30内,用于以与如上所述相似的方式测试管30的壁。 Ultrasonic testing apparatus 10 may be inserted into the tube 30, as described above for the wall to a similar manner to the test tube 30.

[0017] 图3示出如本文中所述的超声测试装置100的例子。 [0017] FIG. 3 illustrates an example of the ultrasonic testing apparatus 100 described herein. 超声测试装置100可被设置为圆锥形阵列110。 Ultrasonic testing apparatus 100 may be provided as a conical array 110. 圆锥形阵列110可以包括具有基本圆锥形形状的背部120。 Conical array 110 may include a back 120 having a substantially conical shape. 圆锥形背部120可以由与本文中产生的超声波不干涉的任何类型的材料制成。 Made from any type of material 120 may not interfere with the conical back by the ultrasonic waves generated herein. 超声测试装置100和圆锥形背部120可以具有任何尺寸。 Ultrasonic testing apparatus 100 and a conical back 120 can have any size. 在此可以采用其他部件以及其他构造。 The other components may be employed as well as other configurations.

[0018] 超声测试装置100还可以包括超声换能器组件130。 [0018] The ultrasonic test apparatus 100 may further include an ultrasound transducer assembly 130. 超声换能器组件130可以包括用于定位在圆锥形背部120上的印刷电路基体140。 Ultrasonic transducer assembly 130 may include a back 120 located on the conical base 140 of the printed circuit. 基体140可以是任何类型的薄膜、柔性、印刷电路材料,比如,举例来说而非限制,聚酰亚胺膜、电沉积铜箔以及类似材料。 Substrate 140 may be any type of film, a flexible printed circuit materials, such as, for example and not limitation, a polyimide film, the electrodeposited copper foil and similar materials. 也可以采用非金属材料。 Non-metallic materials may also be employed. 换能器150可被附装至印刷电路基体140。 Transducer 150 may be attached to the printed circuit board 140. 换能器150可以是将电能转换成声波的任何类型的压电元件。 Transducer 150 may be any type of converting electrical energy into an acoustic wave piezoelectric element. 此外,多个单独的换能器150可以应用于印刷电路基体140。 Further, a plurality of individual transducers 150 may be applied to a printed circuit board 140. 在此可以采用其他部件以及其他配置。 Other components may be employed in this and other configuration.

[0019] 为了适应圆锥形阵列110的形状,超声换能器组件130的换能器150可以具有形成其上的多个间隔切口160。 [0019] In order to accommodate the conical shape of the array 110, the ultrasonic transducer assembly 130 of transducer 150 may have a plurality of spaced cutouts 160 are formed thereon. 间隔切口160可以手工地形成或者以包括激光切割、冲切以及其他技术的自动方式形成。 Spaced cutouts 160 may be formed by hand or in an automatic mode comprises punching and laser cutting techniques other formed. 一旦完成间隔切口160,多个独立的换能器元件170在其间保留有间隙180。 Once slit spacing 160, a plurality of individual transducer elements 170 to retain a gap 180 therebetween. 间隔切口160可以延伸超过换能器150并且延伸到印刷电路基体140内。 Slit spacing 160 may extend within and extending to the printed circuit substrate 140 over the transducer 150. 其间具有间隙180的独立的换能器元件170可以如图5所示地扩展。 Transducer element 180 a gap therebetween having a separate 170 can be extended as shown in FIG. 5. 在此可以采用任何数量的间隔切口160和独立的换能器元件170。 The spacer can be any number of separate incisions 160 and 170 transducer elements. 独立的换能器元件170以及其间的间隙180可以具有任何尺寸、形状或结构,并且可以根据圆锥形背部120的尺寸、形状和结构而变化。 Gap separate transducer elements 170 and 180 therebetween may have any size, shape or configuration, and may vary depending on the size, shape and configuration of the back cone 120. 间隔切口160也可以应用于其上具有多个换能器150的印刷电路基体140。 Slit spacing 160 may be applied thereon having a plurality of transducers 150 of the printed circuit substrate 140. 可以采用其他部件以及其他配置。 Other components may be employed as well as other configurations.

[0020] 独立的换能器元件170中的每一个均可以与导体190连通。 [0020] Each of the conductors 190 may be in communication with the 170 separate transducer elements. 导体190接着可以与连接器/接线柱200以及类似部件连通。 Then conductor 190 may be the connector / terminal communication means 200, and the like. 导体190和连接器/接线柱可以是常规设计。 Conductor 190 and the connector / terminal may be of conventional design. 如图所示,在图6中,印刷电路基体140与超声换能器组件130的独立的换能器元件170 —起然后可以被附装至圆锥形阵列110的背部120。 As shown, in FIG. 6, the printed circuit substrate 140 and the ultrasonic transducer assembly 130 separate transducer elements 170-- since then be attached to the back of a conical array 110 120. 独立的换能器元件170可被折叠至圆锥形背部120的外部(或内部)以形成元件的圆锥形结构。 Separate transducer elements 170 may be folded into a conical external (or internal) to form the back 120 of the conical structural elements. 超声换能器组件130因此可以适应圆锥形阵列110的全部周缘。 Ultrasonic transducer assembly 130 can be adapted to the conical periphery of the entire array 110. 连接器/接线柱200可以设置成以传统方式与控制单元连通。 Connector / terminal 200 may be provided in communication with the control unit in a conventional manner.

[0021] 图7示出可被用于形成超声换能器装置100的高标准步骤的流程图。 [0021] FIG. 7 shows a flow chart may be used to form a high standard transducer step 100 an ultrasound apparatus. 在第一步骤210中,换能器150可被附装至印刷电路基体140。 In a first step 210, the transducer 150 may be attached to the printed circuit board 140. 在第二步骤220中,间隔切口160可被应用于换能器150并且可被布置成以其间具有间隙180的形式形成独立的换能器元件170。 In a second step 220, slit spacing 160 may be applied to the transducer 150 and may be arranged to form therebetween a gap 180 is formed having separate transducer elements 170. 可替代地,在可替代的第一步骤230中,多个单独的换能器150可以附装至印刷电路基体140。 Alternatively, in 230, a plurality of individual transducers 150 can be attached to a printed circuit substrate 140 may alternatively first step. 在可替代的第二步骤240中,间隔切口160可被应用于印刷电路基体140并且可被布置成以其间具有间隙180的形式形成独立的换能器元件170。 In a second step 240 Alternatively, the spacer 160 may be applied to the cutout of the printed circuit substrate 140 and may be arranged to form therebetween a gap 180 is formed having separate transducer elements 170. 在任一例子中,在第三步骤250中,导体190可以联接至独立的换能器元件170。 In either instance, in a third step 250, the conductor 190 may be coupled to a separate transducer elements 170. 在第四步骤260中,印刷电路基体140可以附装至背部120。 In a fourth step, the base 260 of the printed circuit 140 may be attached to the back 120. 在第五步骤270中,独立的换能器元件170可以越过背部120折叠以完成超声测试装置100。 In a fifth step 270, a separate transducer elements 170 may be folded back over the 120 to complete the ultrasonic testing apparatus 100. 这些步骤可以以不同的顺序执行。 These steps may be performed in a different order. 在此可以采用另外的步骤。 In this additional step may be employed.

[0022] 因此,超声测试装置100提供具有超声换能器组件130的圆锥形阵列110,同时不必单独地定位和粘合或者附装多个换能器150。 [0022] Thus, the ultrasonic testing apparatus 100 provided with an ultrasonic transducer array 110 cone assembly 130, without having to separately positioned and glued or attached to a plurality of transducers 150. 更合适地,间隔切口160产生其间具有间隙180的独立的换能器元件170,以便通过围绕圆锥形背部120折叠独立的换能器元件170来适应圆锥形阵列110的形状。 More suitably, the spacer having a notch 160 therebetween to produce a separate transducer elements 170 of the gap 180, 120 is folded so as to separate the transducer element 170 to accommodate the conical shape of the array 110 by surrounding the conical back. 类似地,延伸到印刷电路基体140内的间隔切口160也可以适应多个单独的换能器150。 Similarly, the notch 160 extends into the gap in the printed circuit substrate 140 may be adapted to a plurality of individual transducers 150. 因此,与一般与圆锥形阵列一起使用的已知超声装置相比,超声测试装置100可以在更少时间内并且以更少的劳动力组装为相控阵。 Thus, as compared with the known ultrasonic apparatus for use with an array of generally conical, ultrasonic testing apparatus 100 may be in less time and with less labor assembled phased array.

[0023] 应当理解,上文仅涉及本发明的某些实施例。 [0023] It should be understood that the foregoing relates only to certain embodiments of the present invention. 在不脱离如由以下权利要求及其等同限定的本发明的一般精神和范围的情况下,本领域技术人员在此可以做出多种变化和变型。 Without departing from the general spirit and scope as claimed by the following claims and their equivalents of the present invention is defined, those skilled in the art that various changes may be made herein, and modifications.

Claims (20)

1.一种超声测试装置,包括: 圆锥形背部;和定位在所述圆锥形背部上的超声换能器组件; 所述超声换能器组件包括具有多个独立的换能器元件的印刷电路基体。 1. An ultrasonic testing apparatus, comprising: a conical back; and positioned on said conical back ultrasound transducer assembly; said ultrasound transducer assembly includes a printed circuit transducer element having a plurality of independent matrix.
2.根据权利要求1所述的超声测试装置,其特征在于,所述超声换能器组件作为圆锥形阵列定位在所述圆锥形背部上。 2. The ultrasonic test apparatus according to claim 1, wherein said ultrasonic transducer array assembly as positioned on the cone conical back.
3.根据权利要求1所述的超声测试装置,其特征在于,所述超声换能器组件包括位于所述多个独立的换能器元件之间的多个间隙。 3. The ultrasonic testing apparatus according to claim 1, wherein the plurality of gaps between said plurality of independent transducer elements of said transducer assembly comprises an ultrasound.
4.根据权利要求3所述的超声测试装置,其特征在于,所述多个间隙在所述印刷电路基体内延伸。 4. The ultrasonic testing apparatus according to claim 3, wherein said plurality of gaps extending in the printed circuit matrix.
5.根据权利要求1所述的超声测试装置,其特征在于,所述印刷电路基体包括金属箔。 The ultrasonic test apparatus according to claim 1, wherein the printed circuit substrate comprises a metal foil.
6.根据权利要求5所述的超声测试装置,其特征在于,所述金属箔包括电沉积铜箔。 6. The ultrasonic test apparatus as claimed in claim 5, wherein the metal foil comprises an electrodeposited copper foil.
7.根据权利要求1所述的超声测试装置,其特征在于,所述超声换能器组件包括与所述多个独立的换能器元件连通的多个导体。 7. The ultrasonic testing apparatus according to claim 1, wherein said plurality of ultrasonic transducer assembly includes a conductor element in communication with the plurality of independent transducers.
8.根据权利要求1所述的超声测试装置,其特征在于,所述圆锥形背部构造用于预定的入射角。 8. The ultrasonic test apparatus according to claim 1, wherein said conical configuration for a predetermined angle of incidence back.
9.根据权利要求1所述的超声测试装置,其特征在于,所述超声换能器组件包括所述多个独立的换能器元件的相控阵。 9. The ultrasonic test apparatus according to claim 1, wherein said ultrasonic transducer phased array assembly comprises a plurality of separate transducer elements.
10.根据权利要求1所述的超声测试装置,其特征在于,所述多个独立的换能器元件并非固定地附装至所述圆锥形背部。 10. The ultrasonic test apparatus according to claim 1, wherein said plurality of independent transducer elements are not fixedly attached to the back of the cone.
11.一种组装超声测试装置的方法,包括: 将至少一个换能器附装至印刷电路基体; 将多个独立的换能器元件设置在所述印刷电路基体上; 将所述印刷电路基体附装至背部;以及将所述多个独立的换能器元件越过所述背部折叠成圆锥形阵列。 11. A method of assembling an ultrasonic testing apparatus, comprising: at least one transducer is attached to a printed circuit substrate; a plurality of independent transducer elements arranged on the printed circuit substrate; said printed circuit substrate attached to the back; and the plurality of individual transducer elements is folded back across the array of conically shaped.
12.根据权利要求11所述的方法,其特征在于,设置多个独立的换能器元件的步骤包括切割所述至少一个换能器。 12. The method according to claim 11, wherein the step of providing a plurality of independent transducer elements comprises cutting the at least one transducer.
13.根据权利要求11所述的方法,其特征在于,设置多个独立的换能器元件的步骤包括切割所述至少一个换能器和所述印刷电路基体。 13. The method according to claim 11, wherein the step of providing a plurality of independent transducer elements comprises cutting the at least one transducer and the printed circuit substrate.
14.根据权利要求11所述的方法,其特征在于,设置多个独立的换能器元件的步骤包括将多个换能器附装至所述印刷电路基体。 14. The method according to claim 11, wherein the step of providing a plurality of independent transducer elements comprises a plurality of transducers attached to the printed circuit substrate.
15.根据权利要求14所述的方法,其特征在于,设置多个独立的换能器元件的步骤包括切割所述印刷电路基体。 15. The method according to claim 14, wherein the step of providing a plurality of independent transducer elements comprises cutting the printed circuit substrate.
16.根据权利要求11所述的方法,其特征在于,设置多个独立的换能器元件的步骤包括在所述多个独立的换能器元件之间形成多个间隙。 16. The method according to claim 11, wherein the step of providing a plurality of independent transducer elements comprises a plurality of gaps formed between the plurality of independent transducer elements.
17.根据权利要求11所述的方法,其特征在于,将所述印刷电路基体附装至背部的步骤包括将所述印刷电路基体附装至圆锥形背部。 17. The method according to claim 11, wherein the printed circuit substrate attached to the back step comprises the printed circuit substrate attached to a conical back.
18.根据权利要求11所述的组装的方法,还包括将连接器联接至所述独立的换能器元件中的每一个。 18. A method of assembly according to claim 11, further comprising a connector coupled to each of the separate transducer elements.
19.根据权利要求11所述的组装的方法,还包括将所述连接器中的每一个联接至终端。 19. The method of assembling according to claim 11, further comprising a connector coupled to each of a terminal.
20.一种超声测试装置,包括: 构造为圆锥形阵列的背部; 定位在所述背部上的印刷电路基体;以及用于产生多个分离的超声波并且附装至所述印刷电路基体的装置。 20. An ultrasonic testing apparatus, comprising: an array of conical configured to back; positioning a printed circuit substrate on the back; and means for generating a plurality of separate ultrasonic waves and the printed circuit means attached to the base body.
CN 201380032684 2011-10-07 2013-05-22 Ultrasonic testing device and method of assembly CN104395747A (en)

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