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Patent Searching and Data


Title:
ULTRASONIC PROBE
Document Type and Number:
Japanese Patent JPH06253393
Kind Code:
A
Abstract:

PURPOSE: To prevent infinitesimal piezoelectric pieces from chipping off at the time of cutting a piezoelectric plate and to maintain good acoustic characteristics by exposing conductive lines on one end side of a flexible substrate, providing a reinforcing plate whose strength is weaker than the piezoelectric plate and interposing it between the piezoelectric plate and a backing material.

CONSTITUTION: One end side of the flexible substrate 5 is interposed between the piezoelectric plate 1 and the backing material 2, dividing into infinitesimal piezoelectric pieces 3 is performed and also respective electrodes are led out by the conductive lines 4. Then, for the flexible substrate 5, the conductive lines 4 on one end side are exposed on a main surface side and the reinforcing plate 9 composed of a resin substrate is fixed on a resin film 6b by thermocompression fixing or the like on the other main surface side. Then, one end side (the conductive lines 4) of the flexible substrate 5 is connected to the piezoelectric plate 1 by a conductive adhesive material and then is fixed on the backing material 2, gaps between the respective conductive lines 4 are cut and divided and formation is performed. Thus, since only a conductive adhesive material layer and the reinforcing plate 9 weak strength are cut at the time of cutting the piezoelectric plate 1, the edge of a knife is not shaken.


Inventors:
HASEGAWA YASUNOBU
TAWARA YOSHIHIRO
Application Number:
JP1993000063470
Publication Date:
September 09, 1994
Filing Date:
February 27, 1993
Export Citation:
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Assignee:
NIHON DEMPA KOGYO CO
International Classes:
A61B8/00; H04R17/00; (IPC1-7): H04R17/00; A61B8/00; H04R17/00