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BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing a
conventional apparatus, FIG. 2 is an enlarged view of the main part of FIG. 1, FIG. 3 and FIG. 4
are an embodiment of the present invention. 3 is a longitudinal sectional view, and FIG. 4 is an
enlarged view similar to FIG. [Sur A7 · · · · · · · · · · · · · · · · · · · small circular groove. 1st 63-1-4942924 <, 2) 64
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a diaphragm
mounting device for a condenser microphone capsule, which can simplify its structure and easily
obtain required performance. Figure (in the figure, 1 is a ring, は is a diaphragm, 3 is a space doo
9-4292 doo-02, da is an air gap, S is a back pillar, and the required performance is obtained in
such a configuration In order to achieve this, the dimensions of the air gap should be made
extremely accurately. However, in order to fix the diaphragm λ to the bottom of the ring 1
conventionally, as shown in FIG. 2, the adhesive 6 is applied to and bonded to the entire bottom
as described in FIG. As indicated by the reference numeral 7 inside the ring l, the diaphragm is
pulled up and lifted upward under the influence of the adhesive which has come out at the time
of curing of the adhesive as shown by the code 7 and the tension of the tee is uneven. For this
reason, there is a very difficult drawback in that it is necessary to have a gap of a predetermined
size, and hence the new installation performance. The present invention has been proposed to
eliminate the above-mentioned drawbacks, and the gist of the present invention is to attach the
diaphragm to the bottom of the ring by bonding, (2) on the bottom of the ring According to the
present invention, according to the present invention, the adhesive is applied to the bottom of the
ring to adhere the diaphragm, and the adhesive is applied to the bottom of the ring. It does not
stick out inside the ring as in the past, and therefore it is easy to hold a gap of a given size, as the
diaphragm is held in place properly without tension when the sticky adhesive cures. In addition,
it is possible to easily 1-) the required performance. Next, the same reference numerals as in
FIGS. 1 and 2 denote the same parts, and the embodiments shown in FIG. 3 and FIG. In FIG. 3 and
FIG. 9, it is a circular small groove provided so as to open downward from the bottom surface of
the flange / gl, which is a ring of +31 JO-JQ1't A- ^ a-2 +). In order to fix the diaphragm to the
bottom, as shown in FIG. 9, the adhesive 6 is applied only to the bottom of the ring on the outer
side of the small groove g, and on the bottom of the ring 1 inside the small groove. Does not
apply an adhesive. In this way, when the diaphragm c is viewed through the adhesive 6 on the
bottom of the ring l, the adhesive 6 projects into the small groove as shown by the reference
numeral 7, but in the ring 1 1lli Unlike the conventional case, since the diaphragm is not pulled
and held properly between the row electrode S and the spacer 3, a gap of the required size can
be easily obtained, and the required performance can be obtained. It can also be easily obtained.
The device according to the invention is also easily obtained with the required performance by
the simple means of providing a circular slot on the bottom of the ring l, which is particularly
advantageous in this respect.
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