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JPS6265599

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DESCRIPTION JPS6265599
[0001]
Industrial Application Field The present invention is a piezoelectric light 2 base used for an alarm
of a watch, a calculator, a microwave oven, a toy, a switch confirmation and the like. It relates to
a method of producing a plaster. The prior art piezoelectric sounding body is one in which each
piezoelectric element is separately attached to each metal plate and each lead wire is soldered.
Problems to be Solved by the Invention In such a conventional configuration, the number of
manufacturing steps is increased. In addition, it is difficult to mount directly on a printed circuit
board etc. Furthermore, it is necessary to connect the lead wire and the terminal of the device, it
takes time for assembly, and disconnection of the lead wire occurs, which is unreliable. there
were. Therefore, the present invention does not have the above-mentioned drawbacks, and the
manufacturing process is extremely simple, and the sounding body manufactured thereby can be
directly attached to the printed circuit board, and the process without lead wires and the
reliability point Also in the present invention, it is an object of the present invention to provide a
method of manufacturing a piezoelectric sounding body excellent in the above. Means for Solving
the Problems In order to achieve this object, the method of manufacturing the piezoelectric
sounding body 3 page of the present invention is a method of producing a device by attaching an
element to a part and attaching the element to a part of one or more first terminals Hoop shape
in which one end of at least one of the first terminal portions is connected by a connecting
portion to a plurality of substrates each provided with one or more second terminal portions also
shorter than the first portion and the first terminal portion In the element attachment, the
piezoelectric element is attached to the part, and the terminal is attached to the second terminal
part via the insulator so that the contact part at the tip is electrically connected to the
piezoelectric element, and then the above It is comprised by each cut | disconnecting the end of a
1st terminal part from the said connection part. Operation According to this configuration, the
number of manufacturing steps can be reduced, and the characteristics of the sounding body can
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be easily measured. Further, the reliability can be improved by eliminating the lead wire.
Furthermore, the obtained sounding body can be attached to a printed circuit board. Effects such
as being easy to be obtained. Embodiment 2 One embodiment of the present invention will be
described with reference to the drawings. 1 and 2 show the piezoelectric sounding body obtained
by the manufacturing method of the present invention, and FIGS. 3 to 6 show the state in the
manufacturing process order. First, in FIG. 3, 1 is a substrate made of a metal plate provided with
a portion 1a for element attachment and a first terminal portion 2 and a second terminal portion
3 projecting from the outer periphery of the portion 1a. The dimension of the first terminal
portion 2 is set to be longer than that of the second terminal portion 3. Then, a plurality of
substrates 1 as described above are prepared, and the substrates 1 have a hoop shape in which
one end of the first terminal portion 2 is continuously connected by the connecting portion 4.
Further, in the connecting portion 4, a hole 4 a serving for positioning and feeding is provided so
as to be located in the middle of the adjacent substrates 1. Then, with respect to the hoop-shaped
substrate 1 of FIG. 3, as shown in FIG. 4, the piezoelectric elements 6 are adhered to the portion
1a, respectively. Next, as shown in FIG. 6, the insulator 7 in which the terminals 6 are integrally
formed is attached to the second terminal portion 3 so as not to be detached by press-fitting and
the like, and contacts at one end of each terminal ? The portions 6a are electrically conducted to
the piezoelectric elements 5 respectively. In addition, the characteristic measurement of each
sounding body is performed in this state. Thereafter, one end of the first terminal portion 2 is cut
off from the connecting portion 4 to obtain a finished product as shown in FIG. 1 and FIG. Here,
although the first terminal portion 2 is described as one in the above embodiment, the first
terminal portion 2 is directly attached to the printed circuit board, and in order to increase the
strength when attached to the printed circuit board In this case, at least one of the first terminal
portions 2 may be in contact with the connecting portion 4 to form a hoop shape. Further, it goes
without saying that electrodes are provided on both sides of the piezoelectric element 6, and in
the case of using a three-terminal type piezoelectric element having a structure in which the
electrodes on one side are divided, the second terminal A plurality of the parts 3 may be
prepared, and one more set of the terminal 6 and the insulator 7 may be prepared similarly to
the above. Effects of the Invention According to such a manufacturing method, the number of
manufacturing steps is small, the number of vanes is 6, and the characteristics of the sounding
body can be easily measured. Furthermore, the obtained sounding body can be easily attached to
a printed circuit board. It is possible to improve the reliability by eliminating the lead wire and to
reduce the number of assembling steps.
[0002]
Brief description of the drawings
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2
[0003]
1 is a perspective view showing an embodiment of a piezoelectric sounding body obtained by the
manufacturing method of the present invention, FIG. 2 is a sectional view of the same, 1... и и и и и и и
иии1иииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
и и и и и и и и и и и и и и и и piezoelectric element 6 иии и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и
и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и и contact point, 7 и и и.
Name of Agent Attorney Nakao Toshio Other 1 person Figure 2! Figure 3
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