BACK LOAD MATERIAL FOR ULTRASONIC VIBRATOR AND ULTRASONIC ENDOSCOPE APPARATUS

PROBLEM TO BE SOLVED: To enable ununiformity of acoustic characteristics to be reduced in a back load material for an ultrasonic vibrator.SOLUTION: A packing material 12 includes base resin, a first filler group composed of first filler particles with a maximum particle length of 3 μm or more, and a...

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Bibliographische Detailangaben
Hauptverfasser:	KOBAYASHI TSUNEJI, HAYASHI TAKAE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To enable ununiformity of acoustic characteristics to be reduced in a back load material for an ultrasonic vibrator.SOLUTION: A packing material 12 includes base resin, a first filler group composed of first filler particles with a maximum particle length of 3 μm or more, and a second filler group composed of second filler particles with a maximum particle length of 1 μm or less.SELECTED DRAWING: Figure 2 【課題】超音波振動子用背面負荷材において、音響特性の不均一性を低減することができることができるようにする。【解決手段】バッキング材１２は、ベース樹脂と、最大粒子長３μｍ以上の第１のフィラー粒子によって構成される第１のフィラー群と、最大粒子長１μｍ以下の第２のフィラー粒子によって構成される第２のフィラー群と、を含有する。【選択図】図２