JPS6052791U

JPS6052791U - ultrasonic probe

Info

Publication number: JPS6052791U
Application number: JP11465584U
Authority: JP
Inventors: 和照新貝; 勝河野; 中川　行雄; 玉置　憲正; 潔斉藤
Original assignee: 富士電機株式会社; 超音波工業株式会社
Priority date: 1984-07-27
Filing date: 1984-07-27
Publication date: 1985-04-13

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図はクサビ型超音波プローブの基本構成を示す原理
図、第２図および第３図はバックエコーに対する減衰手
段を設けた従来の異なる超音波プローブを示す構成図、
第４図ないし第８図はそれぞれ本考案による超音波プロ
ーブの実施例を示す構成図、第９図は本考案の他の実施
例を示す斜視図である。１・・・対象物体、２・・・斜角クサビ、３・・・振動
子、４・・・信号波、５．１７−・バンクエコー、１０
，２・０．３０・・・孔、１１・・・散乱波、１２．２
２・・・押えブロック。FIG. 1 is a principle diagram showing the basic configuration of a wedge-shaped ultrasonic probe, and FIGS. 2 and 3 are configuration diagrams showing different conventional ultrasonic probes provided with attenuation means for back echoes.
4 to 8 are configuration diagrams showing an embodiment of the ultrasonic probe according to the present invention, and FIG. 9 is a perspective view showing another embodiment of the present invention. 1... Target object, 2... Oblique wedge, 3... Vibrator, 4... Signal wave, 5.17-- Bank echo, 10
,2・0.30...hole, 11...scattered wave, 12.2
2... Presser block.

Claims

[Scope of utility model registration request]

(1) A large number of holes with a size on the same order as the wavelength of the ultrasonic wave emitted by the transducer are arranged in the back echo path of the probe material in order to attenuate the back echo through repeated reflections. Ultrasonic probe.

(2) Utility Model Registration The ultrasonic probe according to claim 1, wherein the holes are uniformly distributed.

(3) Utility Model Registration The ultrasonic probe according to claim 1 or 2, wherein the hole is a round hole.

(4) Utility model registration In the ultrasonic probe according to claim 1 or 2, the hole has a triangular or conical shape, and the apex side thereof faces the traveling direction of the back echo. Features of the ultrasonic probe.

(5) Utility Model Registration In the ultrasonic probe according to any one of claims 1 to 4, the back echo is repeatedly reflected on the probe wall before reaching the hole. An ultrasonic probe characterized by a curved passage.

(6) Utility Model Registration In the ultrasonic probe according to any one of claims 1 to 5, the holes are distributed sparsely on the back echo entrance side and gradually become more densely distributed as they go deeper. An ultrasonic probe characterized by: