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JP2005317369

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This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
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DESCRIPTION JP2005317369
PROBLEM TO BE SOLVED: To provide a conductive elastic connector capable of preventing
detachment of an electronic component. SOLUTION: An elastic connector portion 12 for
electrically connecting electrodes 9a and 9b of a speaker 7 which is an electronic component and
a substrate electrode, and a shrinkable polymer body which shrinks by the application of external
energy such as thermal energy. And the holding portion 11 of the formed electronic component
7 are integrally formed. Since the holding portion 11 shrinks so as to restrain the electronic
component 7 to be held from the outside, even if there is a difference in shape, size, etc. in the
electronic component 7, it is possible to reliably hold the conductive elastic connector 10 can be
standardized. [Selected figure] Figure 6
Conductive elastic connector
[0001]
The present invention relates to a conductive elastic connector for electrically connecting a small
electronic component incorporated in a communication device such as a cellular phone, a PDA, a
digital camera, a notebook computer, and an electronic device to a printed circuit board.
[0002]
The electrical connection between the electronic component such as a microphone, a receiver, a
speaker, a buzzer, a vibrator, or a small element in which some of them are integrated into one
element and the substrate electrode of the printed circuit board is shown in FIG. It is performed
(patent document 1).
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1
[0003]
An electronic component 1 is accommodated in the holder 2.
The holder 2 is entirely formed of a rubber-like elastic material such as silicone rubber, and the
electronic component 1 is accommodated in the holding portion 3 having a bottomed cylindrical
shape.
An elastic connector portion 4 is formed in a projecting shape at the bottom of the holding
portion 3. The elastic connector portion 4 is formed with a conductive portion 5 formed by
orienting a large number of small magnetic conductors such as nickel particles along the
magnetic force line direction of the parallel magnetic field formed in the cavity of the molding die
of the holder 2 (See FIG. 11). The conductive portion 5 penetrates the elastic connector portion 4
in the thickness direction, and the end on one side exposed as the inner surface of the holding
portion 3 contacts the electrode 1 a of the electronic component 1, and the outer surface of the
holder 3 The other end exposed as a contacts the substrate electrode 6 a of the printed board 6
to electrically connect the electronic component 1 and the substrate circuit.
[0004]
The specific connection state is as shown in FIG. That is, the electronic component 1 is
incorporated and accommodated inside the holding portion 3 of the holder 2, and the holder 2 is
mounted inside the attachment portion 7 a cylindrically protruding on the inner surface of the
housing 7 of the communication device or the electronic device, for example Do. Then, for
example, the elastic connector portion 4 of the holder 2 and the electrode 1 a of the electronic
component 1 are combined with the other case not shown in the figure or by fixing the printed
circuit board 7 to the case 7. The substrate electrode 6a of the printed circuit board 6 is
sandwiched and brought into contact in a compressed state, whereby an electrical connection is
achieved. Unexamined-Japanese-Patent No. 11-191469 gazette
[0005]
According to this holder 2, there is an advantage that productivity can be improved by
eliminating time-consuming connection work such as soldering of the electrode 1 a of the
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electronic component 1 and the substrate electrode 5 a using a lead wire. However, since the
holder 2 is a flexible rubber-like elastic body, the electronic component 1 housed in the holding
portion 3 may be detached at the time of assembly to the housing 7 or handling, etc. In this case,
At the time of assembly, the small electronic component 1 has to be manually accommodated in
the holder 3 and this is a factor that reduces the productivity. In addition, since the holder 2 is a
dedicated item according to the electronic component 1 to be held, such as the type, shape, and
arrangement of the electrodes 1a, the variety of types of the holder 2 to be prepared from the
viewpoint of manufacturing It is an obstacle to the reduction.
[0006]
The present invention has been made on the background of the prior art as described above, and
an object thereof is to provide a conductive elastic connector capable of preventing detachment
of an electronic component. Another object of the present invention is to provide a conductive
elastic connector capable of coping with the variety of electronic components to be held.
[0007]
In order to achieve the above object, according to the present invention, an elastic connector
portion for electrically connecting an electrode of an electronic component and a substrate
electrode, and a holding portion for an electronic component formed of a contractible polymer
body which shrinks by application of external energy. And a conductive elastic connector
integrally formed.
[0008]
In this conductive elastic connector, since the holding portion of the electronic component
formed of the contractible polymer body which is contracted by the application of the external
energy is provided, the holding portion is contracted so as to restrain the electronic component
from the outside by the application of the external energy. And hold.
Thus, the electronic component can be held securely. In addition, since the holding portion
shrinks so as to restrain the electronic component to be held from the outside, the electronic
component can be reliably held even if there is a difference in shape, size, etc. Standardization
can be achieved.
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[0009]
The external energy that brings about the above-mentioned contraction to the holding part
specifically includes heating, cooling, humidification, drying, irradiation of visible light, ultraviolet
light, electron beam, energization, etc. Depending on the material selected as the shrinkable
polymer body, it will change depending on the material.
[0010]
The shape of the holding portion for holding the electronic component by such contraction can
be configured, for example, as an annular body circumferentially attached to the outer surface of
the electronic component.
According to this, the contracting holding portion can reliably hold the electronic component
over the entire circumference of the outer surface of the electronic component, so that it is
difficult to be detached, and it is possible to cope with the diversity of the shape of the electronic
component.
[0011]
In addition, as the shape of the other holding portion, for example, it can be configured as a
locking piece that holds the outer surface of the electronic component in a sandwiching manner,
and even in such a configuration, the electronic component can be reliably held. . In addition,
depending on the shape of the electronic component, for example, when there is a large convex
portion, if the holding portion is configured as the above-described annular body, it may be
assumed that circumferential attachment becomes difficult over the entire outer surface of the
electronic component. Even in such a case, the present invention can be held.
[0012]
The shrinkable polymer body forming the holding portion can be formed of a shrinkable rubberlike elastic body. According to this, the elastic deformation makes it easy to attach to the
electronic component, and at the time of contraction, the electronic component can be shrunk to
conform to the outer shape of the electronic component. Furthermore, the rubber-like elasticity
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functions to protect electronic parts.
[0013]
In addition, the shrinkable polymer forming the holding portion can be made of a shrinkable
hard resin. According to this, since the holding portion has rigidity, it is easy to handle when
attached to the electronic component, and is suitable for automation of attachment.
[0014]
Furthermore, the shrinkable polymer forming the holding portion can be made of a shrinkable
resin film. According to this, the mounting operation to the electronic component is easy due to
the deformation of the film, and the holding portion can be made extremely thin so that it is not
bulky even when mounted on the electronic component.
[0015]
The shrinkable polymer-like elastic body, the shrinkable hard resin, the shrinkable resin film, etc.
are made of polyolefin, polyvinyl chloride, chloroprene rubber, silicone rubber,
polytetrafluoroethylene etc. It is preferable that stable contraction be obtained if the Among
them, silicone rubber is preferable as the shrinkable rubber-like elastic body in consideration of
electrical insulation, weather resistance, workability, cost, and integral molding with the rubberlike elastic body forming the elastic connector portion, and shrinkable hard. As a resin and a
shrinkable resin film, polyolefin is preferable.
[0016]
According to the present invention as described above, the elastic connector portion can be
configured as a large number of conductive portions having contact surfaces smaller than the
electrodes to be connected. According to this, one of the plurality of formed conductive portions
always contacts the electrode to be connected. Therefore, it is possible to use even when the
shape and position of an electrode differ for every electronic component.
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[0017]
Hereinafter, embodiments of the present invention will be described with reference to the
drawings. In addition, the explanation which overlaps between embodiments is omitted.
[0018]
First Embodiment [FIGS. 1 to 6]: 7 shown in FIG. 1 is a speaker, and in this embodiment, it is
exemplified as a small electronic component built in a portable telephone not shown. The
speaker 7 has an overall shape in which the connection portion 9 having the electrodes 9a and
9b protrudes from the disk-shaped main body portion 8. The conductive elastic connector 10
according to the first embodiment is attached to the connecting portion 9.
[0019]
The conductive elastic connector 10 is comprised of a holding portion 11 and an elastic
connector portion 12 as shown in FIGS. The holding portion 11 is formed in a flat oval shape as
shown in FIG. 3 and is made of an electrically insulating shrinkable rubber-like elastic body. And
the through-hole 13 which removed the thickness in the rectangular shape is penetratingly
formed by one of the opposing longitudinal surface. The elastic connector portion 12 described
above is formed so as to cover the front and back of the hole edge of the through hole 13 over
the entire circumference and to close the through hole 13.
[0020]
The elastic connector portion 12 is formed of an electrically insulating rubber-like elastic body,
in which a conductive portion 14 corresponding to the electrode 9 a of the speaker 7 and a
conductive portion 15 corresponding to the other electrode 9 b are formed. Ru. Conductors 16
are embedded in the respective conductive portions 14 and 15 along the respective thickness
directions. Therefore, the conductive portions 14 and 15 are formed so that the direction of
conductive connection has anisotropy along the thickness direction, and the electrodes 9a and 9b
are pressed against the substrate electrode of the printed circuit board not shown. Contact will
conductively connect them.
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[0021]
Each part of the conductive elastic connector 10 as described above is formed of the following
materials.
[0022]
Specifically, the shrinkable rubber-like elastic body as the “shrinkable polymer body” forming
the holding portion 11 is made of polyolefin, polyvinyl chloride, chloroprene rubber, silicone
rubber, or polytetrafluoroethylene. It can be used.
According to these, stable contractility can be obtained by application of external energy. Among
them, silicone rubber can be used as the material of the most preferred embodiment in
consideration of electrical insulation, weather resistance, workability, cost, and integral molding
with the rubber-like elastic body forming the elastic connector portion 12.
[0023]
And, as external energy to cause contraction in the holding portion 11 made of a shrinkable
rubber-like elastic material, there are specifically modes such as heating, cooling, humidification,
drying, irradiation of visible light, ultraviolet light, electron beam, etc. However, which of these
acts on contraction depends on the material used. In the case of the materials listed above, as
particularly preferable external energy, heating can be used in that stable contraction can be
obtained and workability is also good.
[0024]
Specifically, the “rubber-like elastic body” forming the elastic connector portion 12 is silicone
rubber, natural rubber, isoprene rubber, butadiene rubber, 1,2-polybutadiene rubber, styrene
butadiene rubber, chloroprene rubber, nitrile rubber, butyl rubber, Ethylene propylene rubber,
fluororubber, urethane rubber, styrene thermoplastic elastomer, olefin thermoplastic elastomer,
ester thermoplastic elastomer, urethane thermoplastic elastomer, vinyl chloride thermoplastic
elastomer, and the like can be used. And, in consideration of electrical insulation, light resistance,
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workability, and cost, silicone rubber is preferable.
[0025]
In the conductive portions 14 and 15 of the elastic connector portion 12, as described above, the
conductor 16 forming the anisotropic conductive path is embedded. As the conductor 16, for
example, a conductive material having a low resistance of 1 Ω or less is used. As a specific
material, conductive particles or conductive thin wires made of metals such as gold, silver,
platinum, aluminum, chromium and alloys such as graphite and stainless steel can be used. In
addition, magnetic conductive particles or magnetic conductive thin wires coated with magnetic
material nickel, cobalt, iron or an alloy containing a large amount of them can also be used for
the conductive particles or conductive thin wires. On the other hand, gold, silver, platinum,
aluminum, chromium and other metals, graphite, stainless steel, and other alloys with low
resistance, with magnetic materials such as nickel, cobalt, iron or alloys containing a large
amount of them as the core. Magnetic conductive particles and magnetic conductive thin wires
coated with the above can also be used. Such a conductor 16 is embedded in the elastic
connector portion 12 in accordance with the method of manufacturing the conductive elastic
connector 10. That is, for example, the elastic connector portion 12 is embedded with molding,
or the elastic connector portion 12 is embedded by being embedded from the outside at a
corresponding position of the conductive portions 14 and 15 after molding.
[0026]
With respect to the holding portion 11 and the elastic connector portion 12 as described above,
integral molding, adhesion, welding, fusion bonding, press fitting, or the like can be used as a
joining unit that integrates the holding portion 11 and the elastic connector portion 12 to form
the conductive elastic connector 10. Among them, in consideration of bonding strength and
productivity, integral molding of the holding portion 11 and the elastic connector portion 12 is
preferable.
[0027]
Next, a method of manufacturing the conductive elastic connector 10 will be described more
specifically. In the manufacturing method described here, the holding portion 11 is transferred to
a mold for molding the elastic connector portion 12, and a conductive magnetic field is applied to
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the formation position of the conductive portions 14 and 15 in the mold to conduct the electric
conduction. It is a method of orienting the body 16 and integrally molding the elastic connector
portion 12.
[0028]
The holding part 11 uses what is shown in FIG. For this, for example, a silicone rubber-shrinkable
tube "ST-40 DG" manufactured by Shin-Etsu Chemical Co., Ltd. is processed into a shape as
shown in FIG. That is, when the silicone rubber shrink tube is cut into a predetermined length,
the through hole 13 is cut and formed in the location where the elastic connector portion 12 is
formed.
[0029]
On the other hand, in order to form the elastic connector portion 12, a magnetic conductor made
of, for example, nickel powder whose surface is gold-plated is prepared as the conductor 16.
Then, 5 to 50 parts by weight of the magnetic conductor is added to 100 parts by weight of a
liquid polymer, for example, liquid silicone rubber, which is used as the material of the elastic
connector portion 12, and stirred and defoamed well.
[0030]
Here, if the amount of addition of the magnetic conductor is more than 5 parts by weight, the
conductive portions 14 and 15 have a portion where the magnetic conductor is not oriented in a
bead shape in the thickness direction if it is less than that. As a result, the resistance value is
increased, and the conductive connectivity is reduced. On the other hand, if it exceeds 50 parts
by weight, the magnetic conductor may remain in places other than the conductive parts 14 and
15 to cause an electrical leak. In order to avoid such problems, the amount added is preferably 5
to 50 parts by weight, more preferably 10 to 20 parts by weight. The particle diameter of the
magnetic conductor is preferably about 20 to 100 μm, and more preferably about 30 to 40 μm.
[0031]
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In addition, since the liquid polymer used as the material of the elastic connector portion 12
orients the magnetic conductor in a magnetic field, the orientation time can be shortened as the
viscosity is lower, and the magnetic conductor is also stably oriented in bead shape. Therefore,
the viscosity is preferably 10 P to 2000 P, more preferably 100 P to 1000 P.
[0032]
After preparing the liquid polymer to which the holding portion 11 and the magnetic conductor
as described above are added, the step of integrally molding the elastic connector portion 12 on
the holding portion 11 is carried out. A mold as shown in FIG. 4 and FIG. 5 is used in the
implementation of this forming process. The mold is composed of a lower die 17, a middle die
18, and an upper die 19 made of non-magnetic materials such as aluminum and copper. In the
lower mold 17, the middle mold 18, and the upper mold 19, an alignment pin 20 made of a
ferromagnetic material such as iron or a magnet is embedded at the formation position of the
conductive portions 14 and 15. The magnets 21 and 22 are respectively installed on the bottom
surface of the lower mold 17 and the upper surface of the upper mold 19. With such a mold
configuration, in the present embodiment, the magnetic fields generated by the magnets 21 and
22 are deflected so as to pass through the alignment pin 20, so that the cavities of the lower
mold 17, the middle mold 18 and the upper mold 19 are In this case, a parallel magnetic field is
formed to pass between the upper and lower orientation pins 20.
[0033]
Specifically, as shown in FIG. 4A, the middle mold 18 is inserted into the inside of the holding
part 11 and then placed on the lower mold 17 as shown in FIG. 4A. Next, as shown in FIG. 4B, the
liquid polymer to which the magnetic conductor is added is injected into the formation portion of
the elastic connector portion 12. Specifically, injection is performed so as to fill the inside of the
cavity of the middle mold 18 and the inside of the through hole 13 of the holding portion 11.
[0034]
Then, as shown in FIG. 5A, the upper mold 19 is lowered, and the parallel magnetic field
connecting the alignment pins 20 of the lower mold 17, the middle mold 18, and the upper mold
19 coaxially located by the magnets 21 and 22 is Then, the magnetic conductor in the liquid
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polymer is oriented in the direction of magnetic lines so as to form a chain of beads to form a
magnetic conductor chain. The magnetic field orientation of such a magnetic conductor may be
any time before or after clamping when the upper mold 19 and the lower mold 17 are
completely tightened, but it is considered that the magnetic conductor can not move due to
molding pressure after clamping. Even if it is movable, it takes a long time to complete the
orientation, so it is better to finish the magnetic orientation before clamping, since it is possible
to perform accurate orientation quickly.
[0035]
After magnetic field orientation and clamping, the temperature is lower than the contraction
temperature of the holding portion 11, specifically the silicone rubber contraction tube (about 80
° C. in the case of “ST-40 DG” manufactured by Shin-Etsu Chemical Co., Ltd.), When the liquid
polymer is vulcanized and cured, the elastic connector portion 12 is integrally molded with the
holding portion 11, and the conductive elastic connector 10 shown in FIGS. 1 and 2 can be
obtained.
[0036]
Then, in order to use the conductive elastic connector 10, as shown in FIG. 1, the conductive
portions 14 and 15 are aligned with the electrodes 9a and 9b, and the holding portion 11 is
attached to the connection portion 9 of the speaker 7.
At the time of this attachment, the attachment operation can be easily performed by deforming
the holding portion 11 made of a rubber-like elastic body. In this manner, the conductive elastic
connector 10 can be removed from the speaker 7 because there is a gap D between the holding
portion 11 and the connection portion 9 in the state of FIG. 6A. Therefore, the holding portion 11
is heated by heating the holding portion 11 with an external energy, according to the specific
example described above, at the contraction temperature of the silicone rubber contraction tube
(80 ° C. in the case of “ST-40 DG”). Shrink it. This is the state shown in FIG. 6B, and the
holder 11 contracts following the outer shape of the connecting portion 9 and holds the
connecting portion 9 in a tightened manner. Thus, the conductive elastic connector 10 is firmly
attached to the speaker 7. Therefore, it is possible to eliminate such a disadvantage that the
speaker 7 and the conductive elastic connector 10 are separated at the time of assembling or
handling of the cellular phone. And since the holding | maintenance part 11 has rubber-like
elasticity, after assembling | attaching to a housing | casing, it functions as a shock absorbing
material and can protect the speaker 7. FIG.
01-05-2019
11
[0037]
Further, since the conductive portions 14 and 15 of the elastic connector portion 12 are in
pressure contact with the electrodes 9a and 9b by the contraction of the holding portion 11,
electrical connection with the speaker 7 can be obtained without applying an external force. is
there. Therefore, in order to ensure that the conductive portions 14 and 15 can be electrically
connected to both the electrodes 9a and 9b and the substrate electrode, the conductive portions
14 are strongly pressed between the electrodes 9a and 9b and the substrate electrode. , 15 may
not be pinched, and a reliable electrical connection can be obtained without maintaining such
strong pinching. When the conductive elastic connector 10 is to be removed, it can be easily
removed by partially cutting the holding portion 11, so that replacement can be performed with
good workability.
[0038]
And, in the case of the conductive elastic connector 10 as described above, even if the shape of
the connection portion 9 of the speaker 7 changes or the size of the connection portion 9
changes, in any case, rubber In the same way as described above, it is possible to firmly attach to
other electronic parts as described above by the flexibility of the holding portion 11 made of the
elastic body and the following contraction to the connection portion due to heat contraction. It
can be commonly used for many electronic components having differences.
[0039]
Second Embodiment [FIG. 7] The conductive elastic connector 23 of the present embodiment
differs from the conductive elastic connector 10 of the first embodiment in the material of the
holding portion 24 and the configuration of the elastic connector portion 25. The shape of the
portion 24, the material of the elastic connector portion 25, and the manufacturing method are
the same as those of the first embodiment.
[0040]
The holding portion 24 of the present embodiment is formed of a shrinkable resin film as a
“shrinkable polymer body”.
As the material of the shrinkable resin film in this case, specifically, those made of polyolefin,
01-05-2019
12
polyvinyl chloride, chloroprene rubber, silicone rubber, and polytetrafluoroethylene can be used.
When the conductive elastic connector 23 is attached to the connection part 9 of the speaker 7,
the holding part 24 made of a shrinkable resin film can be deformed and attached easily. After
mounting, as in the first embodiment, by applying external energy according to the material, it
contracts so as to follow the outer shape of the connecting portion 9 of the speaker 7 and holds
the connecting portion 9 securely as if it were tightened. Can. And since the holding |
maintenance part 24 which consists of a shrinkable resin film is very thin, even if it attaches to
the connection part 9, it can contribute to space saving of the periphery of the connection part 9,
since it is not bulky.
[0041]
Further, in the elastic connector portion 25 of the present embodiment, a large number of smallprojection-shaped conductive portions 26 having contact surfaces smaller than the electrodes 9a
and 9b to be connected are formed. Similarly to the embodiment, a conductive path is formed in
which the conductor 16 is oriented in a bead shape in the thickness direction, and adjacent
conductive portions 26 are formed to be electrically insulated from each other. Therefore, in the
present embodiment, any of the plurality of conductive portions 26 formed in contact with the
electrodes 9a and 9b to be connected always. Therefore, the conductive elastic connector 23 of
the present embodiment can be used also for other electronic components whose sizes and
positions are different from those of the electrodes 9a and 9b.
[0042]
Third Embodiment [FIG. 8] The conductive elastic connector 27 of this embodiment differs from
the above-described embodiments in that the holding portion 28 is formed of a shrinkable hard
resin, and the elastic connector 12 is the first embodiment. It is identical to the form.
[0043]
The holding portion 28 of the present embodiment is formed of a shrinkable hard resin as a
“shrinkable polymer body”.
Specifically, as the material of the shrinkable hard resin in this case, for example, those made of
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polyolefin resin and polyvinyl chloride resin can be used. Further, the holding portion 28 is
formed as a "locking piece" having a base portion 29 having a through hole forming the elastic
connector portion 12 and locking legs 30 respectively extending downward from both ends of
the base portion 29. . When the conductive elastic connector 27 is attached to the connection
portion 9 of the speaker 7, the holding portion 28 made of a shrinkable hard resin has rigidity,
so that the conductive elastic connector 27 can be attached with good handleability. After
mounting, as in the first embodiment, by applying external energy (thermal energy in the case of
a polyolefin resin) according to the material, the connector 7 is contracted and held securely so
as to restrain the connecting portion 9 of the speaker 7 can do.
[0044]
Modification of Embodiment [FIG. 9]: Modifications can be made to the above-described
embodiments. That is, in each of the above embodiments, an example is shown in which the
magnetic conductors are formed by magnetic field orientation of the conductive portions 14, 15,
26. However, after the elastic connector portions 12, 25 are formed, conductive thin wires are
externally implanted. It can also be formed.
[0045]
The shapes of the conductive elastic connectors 10, 23 and 27 shown in the above-described
embodiments are merely examples, and it is also possible to deform or change the number of
conductive portions and the formation position according to the shape of the electronic
component to be held.
[0046]
In each of the above embodiments, an example in which a single through hole 13 is formed in
the holding portions 11, 24, 28 is shown, but as shown in FIG. 9, for example, the through holes
31 are formed only at the corresponding positions of the conductive portions 14, 15. , 32 may be
formed.
According to this, by enlarging the contact area of the elastic connector portion 33 and the
holding portion 34, the bonding force between both members can be further strengthened. In
this configuration, the elastic connector portion 33 is formed to cover only the front surface or
the rear surface of the longitudinal surface of the holding portion 34 having the through holes
01-05-2019
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31 and 32, or both the front and rear surfaces are formed. It may be formed to cover.
[0047]
In the above embodiments, the holding portions 11, 24, 28 are formed of a shrinkable polymer,
and the elastic connector portions 12, 25 are formed of a rubber-like elastic body. However, the
holding portions 11, 24, 28 and the elastics are elastic. Both of the connector portions 12 and 25
can also be formed of a single material by a shrinkable rubber-like elastic body. In this case, the
conductive portion may be one in which the conductor is oriented and embedded by a magnetic
field as in the previous embodiment, or one in which a conductive thin wire is embedded from
the outside after forming the holding portion and the elastic connector portion.
[0048]
Installation explanatory drawing to the electronic component of the electroconductive elastic
connector by 1st Embodiment. It is structure explanatory drawing of the electroconductive
elastic connector of FIG. 1, the division (a) is a front view containing the SA-SA line | wire partial
cross section, and a division (b) is a top view. The external appearance perspective view of a
holding | maintenance part. 1. Manufacturing-process explanatory drawing of the
electroconductive elastic connector of FIG. 1. Manufacturing-process explanatory drawing of the
electroconductive elastic connector of FIG. Installation explanatory drawing to the electronic
component of the electroconductive elastic connector of FIG. Installation explanatory drawing to
the electronic component of the electroconductive elastic connector by 2nd Embodiment.
Installation explanatory drawing to the electronic component of the electroconductive elastic
connector by 3rd Embodiment. The top view of the electroconductive elastic connector by the
modification of embodiment. The disassembled perspective view of the holder by one prior art
example, a small electronic component, and a printed circuit board. FIG. 10 is a cross-sectional
view schematically showing the assembled state of FIG. 9;
Explanation of sign
[0049]
DESCRIPTION OF SYMBOLS 6 printed circuit board 6a substrate electrode 7 speaker (electronic
component) 8 main body part 9 connection part 9a, 9b electrode 10 conductive elastic connector
(first embodiment) 11 holding part 12 elastic connector part 13 through hole 14 conductive part
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15 conductive part 16 conductive Body 17 lower mold 18 middle mold 19 upper mold 20
orientation pin 21, 22 magnet 23 conductive elastic connector (second embodiment) 24 holding
portion 25 elastic connector portion 26 conductive portion 27 conductive elastic connector
(third embodiment) 28 holding portion 29 Base 30 Locking leg 31, 32 Through hole 33 Elastic
connector portion 34 Holding portion
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