JP2007134082A - Sheet with plate spring and inputting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet with plate spring in which an effect of an electromagnet wave to the outside can be reduced at the time of incorporation into electronic equipment, and the outline size including thickness of the electronic equipment can be made small, and the assembling performance of the electronic equipment can be improved. <P>SOLUTION: An electromagnetic wave absorber 1 of a flexible sheet shape and a plate spring, for example, a flexible insulating sheet 2 supporting a movable contact 6 are laminated and integrated through an adhesive layer 3a, and a flexible light diffusion sheet 3 which diffuses light from an LED 7 and irradiates the operating part is laminated on top of the electromagnetic wave absorber 1, and a spacer sheet 4 having a contact housing part 4d is laminated below the flexible insulating sheet 2, and further, a separation sheet 5 which can be separated through an adhesion layer 4a is adhered to the spacer sheet 4. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a sheet with a leaf spring formed by laminating a plurality of sheets including a flexible insulating sheet for holding a leaf spring, and an input device provided with the sheet with the leaf spring.

  There exists a thing shown by patent document 1 as this type of prior art. The sheet | seat with a leaf | plate spring shown by this patent document 1 is a metal dome shaped leaf | plate spring, ie, the sheet | seat with a contact holding a movable contact. The sheet with contact is coated with an adhesive on the lower surface, and the sheet made of an insulating film that holds the above-described movable contact, and a plurality of storage holes that are bonded to the lower surface of the sheet and accommodate the above-described movable contact, that is, It is the structure which laminated | stacked the sheet | seat which has a contact accommodating part. Further, the connecting groove connected to the above-described contact accommodating portion provided on the seat, that is, an air groove that enables air movement is also provided.

  Further, the sheet switch in the prior art provided with the above-described sheet with contact, that is, the input device, includes a circuit board having a fixed contact, and the sheet with contact on the circuit board has the movable contact as a fixed contact of the circuit board. They are arranged so as to oppose each other, stacked, and integrated.

As an electronic apparatus provided with the input device including the above-described contact-attached sheet, there is a mobile phone as disclosed in Patent Document 2, for example. In the prior art disclosed in Patent Document 2, an electromagnetic wave protection device having rigidity composed of a composite magnetic material containing soft magnetic powder and an organic binder, that is, an electromagnetic wave absorber that reduces the influence of electromagnetic waves from the mobile phone to the outside. It has a configuration with. The electromagnetic wave absorber having rigidity is provided independently of the input device and is disposed in the housing.
JP 2001-14973 A JP 2002-271468 A

  When manufacturing an electronic device such as a mobile phone including the electromagnetic wave absorber shown in Patent Document 2 described above and an input device including a sheet with a contact as shown in Patent Document 1, that is, a sheet with a leaf spring, rigidity is considered. Since the electromagnetic wave absorber having a thickness of the electronic device including the thickness dimension of the electronic device is increased, the entire volume of the electronic device is increased. There is a concern that it will not be possible. In addition, the assembly work of the electronic device is reduced because the work of incorporating the electromagnetic wave absorber into the housing is required separately from the work of incorporating the leaf spring-equipped sheet for forming the input device. There is a concern that production man-hours will increase and production costs will increase.

  The present invention has been made from the above-described actual state of the prior art, and its purpose is to reduce the influence of electromagnetic waves to the outside when incorporated in an electronic device, and to reduce the shape and dimensions including the thickness of the electronic device. It is an object of the present invention to provide a sheet with a leaf spring and an input device that can be reduced in size and can improve the assemblability of an electronic device.

  In order to achieve this object, the sheet with leaf spring of the present invention is formed by laminating a flexible sheet-like electromagnetic wave absorber and a flexible insulating sheet holding the leaf spring through an adhesive layer. It is characterized by that.

  Since the sheet | seat with a leaf | plate spring of this invention comprised in this way is equipped with the electromagnetic wave absorber, when incorporating in an electronic device, the influence of the electromagnetic waves from an electronic device to the exterior can be reduced with this electromagnetic wave absorber. Further, since the electromagnetic wave absorber is in the form of a flexible sheet, the thickness dimension can be reduced and the length dimension can be reduced, thereby reducing the shape dimension including the thickness dimension of the electronic device. be able to. Further, when the sheet with leaf spring is incorporated into an electronic device, the electromagnetic wave absorber can be incorporated into the electronic device at the same time, and the assemblability of the electronic device can be improved.

  Moreover, the sheet | seat with a leaf | plate spring of this invention has provided the recessed part in the part of the said electromagnetic wave absorber facing the said leaf | plate spring in the said invention. In the sheet spring-attached sheet of the present invention configured as described above, when the leaf spring is pressed, the leaf spring is pressed through the concave portion where the thickness is reduced. It can be secured.

  The sheet with leaf spring of the present invention is the above invention, wherein a flexible light diffusing sheet is laminated and integrated on the electromagnetic wave absorber, and all sheets including the electromagnetic wave absorber are integrated. It is characterized in that an accommodating portion that can accommodate the illumination member is provided. The sheet | seat with a leaf | plate spring of this invention comprised in this way can implement | achieve favorable illumination of the operation part which presses a leaf | plate spring by diffusing the light from an illumination member with a light diffusable sheet | seat.

  Moreover, the sheet | seat with a leaf | plate spring of this invention has provided the recessed part in each of the part of the said light diffusable sheet which opposes the said leaf | plate spring, and the part of the said electromagnetic wave absorber in the said invention. In the sheet spring-attached sheet of the present invention configured as described above, when the leaf spring is pressed, the leaf spring is pressed through the concave portion where the thickness is reduced. It can be secured.

  Moreover, the sheet | seat with a leaf | plate spring of this invention provided the adhesion layer in the said flexible insulation sheet in the said invention, and adhere | attached the peeling sheet which can be peeled from the said flexible insulation sheet to this adhesion layer It is characterized by that. The sheet with leaf spring of the present invention configured as described above, when mounted on an electronic device, the adhesive layer of the flexible insulating sheet is exposed by peeling the release sheet, and the electronic device is exposed to the adhesive layer via the adhesive layer. Easy to install.

  The sheet with a leaf spring of the present invention is characterized in that, in the above invention, a spacer sheet having a leaf spring accommodating portion for accommodating the leaf spring is laminated and integrated on the flexible insulating sheet. . The sheet with a leaf spring of the present invention configured as described above can prevent the leaf spring and the flexible insulating sheet from sticking to each other at the periphery of the leaf spring by the spacer sheet, and ensure a good operation feeling of the leaf spring. it can.

  The sheet with leaf spring of the present invention is characterized in that, in the above invention, an adhesive layer is provided on the spacer sheet, and a release sheet that can be peeled off from the spacer sheet is bonded to the adhesive layer. The sheet with a leaf spring of the present invention configured as described above is easily attached to an electronic device via the adhesive layer by exposing the adhesive layer of the spacer sheet by peeling off the release sheet when mounted on the electronic device. be able to.

  Moreover, the sheet | seat with a leaf | plate spring of this invention has provided the attachment hole which can insert the positioning member for attaching to an electronic device in the said invention. The sheet with leaf spring of the present invention configured as described above can be easily and accurately attached to an electronic device by inserting the positioning member through the attachment hole.

  In order to achieve the above object, an input device of the present invention includes a sheet with a leaf spring of any of the above-described inventions laminated on a switch board, and the plate spring is attached to a switch portion formed on the switch board. The switch board and the sheet with a leaf spring are integrated so that the leaf spring of the sheet is disposed.

  In the input device of the present invention configured as described above, since the sheet with a leaf spring includes an electromagnetic wave absorber, the electronic device such as a mobile phone is incorporated into the electronic device such as a mobile phone by incorporating the electromagnetic wave absorber into the electronic device. The influence of electromagnetic waves from the outside to the outside can be reduced. In addition, since the electromagnetic wave absorber described above is in the form of a flexible sheet, the thickness dimension is small and the length dimension can be reduced, and thus the thickness dimension of an electronic device such as a mobile phone incorporated therein. Can be made smaller. Further, at the time of incorporation into an electronic device such as a mobile phone, an electromagnetic wave absorber can be incorporated into the electronic device at the same time, and the assemblability of the electronic device can be improved.

  Since the sheet with leaf spring and the input device of the present invention are made by laminating a flexible sheet-like electromagnetic wave absorber, electromagnetic waves from the electronic device to the outside when incorporated in an electronic device such as a mobile phone are externally transmitted. The impact can be reduced. In particular, the shape dimensions including the thickness dimension of the electronic device to be incorporated can be reduced, and downsizing of the electronic device having an electromagnetic wave absorption function, which has been difficult in the past, can be realized. Furthermore, when an input device is incorporated into an electronic device such as a mobile phone, it can be incorporated into the electronic device at the same time, which improves the assemblability of the electronic device such as a mobile phone and reduces the number of manufacturing steps for the electronic device. And production costs can be reduced.

  Hereinafter, the best mode for carrying out a sheet with a leaf spring and an input device according to the present invention will be described with reference to the drawings.

[Configuration of First Embodiment of Sheet with Leaf Spring]
The top view which shows 1st Embodiment of the sheet | seat with a contact which concerns on this invention, FIG. 2 is AA sectional expanded view of FIG.

  The sheet | seat with a leaf | plate spring of this 1st Embodiment and the sheet | seat with a leaf | plate spring of 2nd-4th embodiment mentioned later consist of a sheet | seat with a contact, for example.

  As shown in FIG. 2, this sheet with contacts is a flexible sheet-like electromagnetic wave absorber 1 mixed with metal glass powder, and a flexible material bonded to the adhesive layer 1 a on the lower surface of the electromagnetic wave absorber 1. The insulating insulating sheet 2, that is, the flexible insulating sheet 2 that holds the movable contact 6, which is a metal dome-shaped leaf spring, is provided. A light diffusing sheet 3 is bonded to the upper surface of the electromagnetic wave absorber 1 through an adhesive layer 3a. Further, a spacer sheet 4 having a contact accommodating portion 4 d that forms a leaf spring accommodating portion in which the movable contact 6 is accommodated is bonded to the lower surface of the flexible insulating sheet 2. In addition to the contact accommodating portion 4d described above, the spacer sheet 4 has an air groove 4e that communicates with the contact accommodating portion 4d and allows air movement within the spacer sheet 4 when the movable contact 6 is pressed. is doing. A release sheet 5 is attached to the lower surface of the spacer sheet 4 so as to be peelable from the spacer sheet 4 via an adhesive layer 4a.

  That is, in the first embodiment of the sheet with leaf spring, the light diffusing sheet 3, the electromagnetic wave absorber 1, the flexible insulating sheet 2, the spacer sheet 4, and the release sheet 5 are laminated and integrated. Made up of.

  As shown in FIGS. 1 and 2, each of the light diffusing sheet 3, the electromagnetic wave absorber 1, the flexible insulating sheet 2, and the spacer sheet 4 can accommodate an illumination member, for example, an LED (light emitting diode). Receiving portions 3b, 1b, 2b. 4b is formed. In addition, as shown in FIG. 2, the accommodation holes 3b and 1b are formed larger than the accommodation holes 2b and 4b.

  Further, an attachment hole 8 through which a positioning member (not shown) for attachment to an electronic device can be inserted so as to penetrate each of the light diffusing sheet 3, the electromagnetic wave absorber 1, the flexible insulating sheet 2, and the spacer sheet 4. It is provided.

  2, the end surfaces 3c and 1c of the light diffusing sheet 3 and the electromagnetic wave absorber 1 are formed so as to coincide with each other, and the end surfaces of the flexible insulating sheet 2 and the spacer sheet 4 are formed. 2c and 4c are formed so as to coincide with each other. Further, the light diffusing sheet 3 and the electromagnetic wave absorber 1 are so arranged that the end surfaces 2c and 4c of the flexible insulating sheet 2 and the spacer sheet 4 protrude from the end surfaces 3c and 1c of the light diffusing sheet 3 and the electromagnetic wave absorber 1. The body 1, the flexible insulating sheet 2, and the spacer sheet 4 are arranged.

  As shown in FIGS. 1 and 2, the sheet with contacts according to the first embodiment configured as described above is subjected to processing such as conveyance with the release sheet 5 adhered to the spacer sheet 4 as shown in FIGS. The Further, when mounting on an electronic device, the adhesive sheet 4a of the spacer sheet 4 is exposed by peeling off the release sheet 5, and the sheet with the contact including the electromagnetic wave absorber 1 is connected to the electronic device via the adhesive layer 4a. Attached to. The contact-attached sheet according to the first embodiment configured as described above is used by being incorporated in an input device or the like as described below, for example.

[Configuration of First Embodiment of Input Device]
FIG. 3 is a plan view showing the first embodiment of the input device according to the present invention, and FIG. 4 is an enlarged cross-sectional view taken along the line BB of FIG.

  As shown in FIG. 4, the first embodiment of the input device includes a switch substrate 9 having a plurality of fixed contacts formed by a combination of a central fixed contact 9a and a peripheral fixed contact 9b, and the light diffusing sheet 3 described above. The electromagnetic wave absorber 1, the flexible insulating sheet 2 that holds the movable contact 6, and the contact-attached sheet including the spacer sheet 4 having the contact accommodating portion 4 d in which the movable contact 6 is accommodated. Further, each of the movable contacts 6 held by the flexible insulating sheet 2 and each of the fixed contacts including the central fixed contact 9a and the peripheral fixed contact 9b provided on the switch substrate 9 are opposed to each other. The switch board 9 and the sheet with contacts are integrated. The movable contact 6 is always conducted to the peripheral fixed contact 9b and selectively conducted to the central fixed contact 9a.

  In addition, the switch substrate 9 includes the receiving portions 3b, 1b, 2b. An illumination member, for example, an LED 7 accommodated in 4b is arranged. Note that an operation unit for pressing the movable contact 6 is not shown.

  In the first embodiment of the input device configured as described above, in the state shown in FIG. 4, the movable contact 6 of the contact-attached sheet is separated from the central fixed contact 9 a of the switch board 9. The contact 9a and the peripheral fixed contact 9b are cut off and switched off. When the operation unit (not shown) is pushed downward from this state, the pressing unit of the operation unit presses the movable contact 6 via the light diffusing sheet 3 and the electromagnetic wave absorber 1, and the movable contact 6 is accompanied by a tactile feeling. It reverses and conducts to the center fixed contact 10a. As a result, the central fixed contact 9a and the peripheral fixed contact 9b are brought into conduction via the movable contact 6, and the switch is turned on.

  In addition, the movement of the air accompanying the reversal of the movable contact 6 due to the pressing operation of the operation unit is performed via the air groove 4e, thereby enabling a smooth operation of the operation unit.

  Further, the light from the LED 7 is diffused by the light diffusing sheet 3 to illuminate the operation unit.

[Effects of the first embodiment of the sheet with contact (sheet with leaf spring)]
According to the first embodiment of the sheet with contacts configured as shown in FIGS. 1 and 2, since the electromagnetic wave absorber 1 is provided, when incorporated as an input device of an electronic device such as a mobile phone, The electromagnetic wave absorber 1 can reduce the influence of electromagnetic waves from the electronic device to the outside. Further, since the electromagnetic wave absorber 1 is in the form of a flexible sheet, the thickness dimension is small and the length dimension can be reduced as necessary, which contributes to the realization of downsizing of the electronic device. In addition, when the input device including the contact-attached sheet is assembled to the electronic device, the electromagnetic wave absorber 1 can be incorporated into the electronic device at the same time, and the assemblability of the electronic device can be improved. Thereby, it is possible to reduce the number of man-hours for manufacturing the electronic device, and contribute to reducing the manufacturing cost.

  Further, the light diffusing sheet 3 is provided, and the housing portions 3b, 1b. Since 2b and 4b are provided, the light from the LED 7 can be diffused by the light diffusing sheet 3 to illuminate an operation unit (not shown), and the usability of the electronic device can be improved.

  In addition, since the spacer sheet 4 having the contact accommodating portion 4d is provided, the spacer sheet 4 can prevent the movable contact 6 and the flexible insulating sheet 2 from sticking to each other at the peripheral portion of the movable contact 6, and is movable. A good operation feeling of the contact 6 can be secured, and high reliability can be obtained.

  Further, since the release sheet 5 that can be peeled off from the spacer sheet 4 is provided, the adhesive layer 4a of the spacer sheet 4 is exposed by peeling off the release sheet 5 when mounting on an electronic device. It can be easily attached to an electronic device via the connector, and contributes to an improvement in the assembly of the electronic device.

  In addition, since the mounting hole 8 through which the positioning member for mounting on the electronic device can be inserted is provided, the positioning member can be accurately and easily mounted on the electronic device by inserting the positioning member through the mounting hole 8. Contributes to improving the assembly of electronic equipment.

  Moreover, since these electromagnetic wave absorber 1 and the flexible insulating sheet 2 are arrange | positioned so that the end surface 2c of the flexible insulating sheet 2 may protrude rather than the end surface 1c of the electromagnetic wave absorber 1 as mentioned above. Further, it is possible to prevent the pressure-sensitive adhesive forming the pressure-sensitive adhesive layer 1 a of the electromagnetic wave absorber 1 from protruding outward from the flexible insulating sheet 2. Further, since the housing holes 3b, 1b of the LED 7 are formed to be slightly larger than the housing holes 2b, 4b, the adhesive forming the adhesive layer 1a of the electromagnetic wave absorber 1 into the housing holes 2b, 4b. Can be prevented and sticking to the LED 7 can be prevented.

[Effects of First Embodiment of Input Device]
According to 1st Embodiment of the input device comprised as shown in FIG.3, 4 mentioned above, since the sheet | seat with a contact is equipped with the electromagnetic wave absorber 1, when incorporating in electronic devices, such as a mobile phone, The electromagnetic wave absorber 1 can reduce the influence of electromagnetic waves from the electronic device to the outside. Further, since the electromagnetic wave absorber 1 is in the form of a flexible sheet, the thickness dimension is small, and the length dimension can be reduced as necessary, and the thickness dimension of the electronic device incorporated thereby. Can be made smaller. Moreover, the electromagnetic wave absorber 1 can be simultaneously incorporated in the electronic device at the time of incorporation into the electronic device, and the assemblability of the electronic device can be improved.

[Second Embodiment of Sheet with Leaf Spring]
FIG. 5 is a plan view showing a second embodiment of the sheet with contacts according to the present invention, and FIG. 6 is an enlarged sectional view taken along the line CC in FIG.

  The second embodiment of the sheet with leaf springs shown in FIGS. 5 and 6 is not particularly limited to the leaf spring, that is, the concave portion 3d, the portion of the light diffusing sheet 3 facing the movable contact 6, and the portion of the electromagnetic wave absorber 1. 1d is formed. The other structure is the same as the structure which concerns on 1st Embodiment of the sheet | seat with a leaf | plate spring mentioned above.

  The second embodiment of the sheet with a leaf spring configured as described above is also formed by laminating and integrating the light diffusing sheet 3, the electromagnetic wave absorber 1, the flexible insulating sheet 2, the spacer sheet 4, and the release sheet 5. Thus, the same effects as those of the first embodiment of the sheet with leaf spring described above can be obtained. In particular, in the second embodiment of the sheet with a leaf spring, the concave portions 3d and 1d are formed in the portion of the light diffusing sheet 3 facing the movable contact 6 and the portion of the electromagnetic wave absorber 1, respectively. When the contact 6 is pressed, the movable contact 6 is pressed through the concave portions 3d and 1d whose thickness is reduced. Therefore, it is possible to ensure a good operation feeling of the movable contact 6 and to provide a highly reliable input device. Contribute to the realization of

[Third embodiment of sheet with leaf spring]
FIG. 7 is a plan view showing a third embodiment of the sheet with contacts according to the present invention, and FIG. 8 is an enlarged sectional view taken along the line DD of FIG.

  In the third embodiment of the sheet with leaf springs shown in FIGS. 7 and 8, the spacer sheet 4 is excluded from the configuration of the first embodiment of the sheet with leaf spring, and the adhesive layer 2a on the lower surface of the flexible insulating sheet 2 is used. The release sheet 5 that can be peeled off from the flexible insulating sheet 2 is bonded. The other structure is the same as the structure which concerns on 1st Embodiment of a sheet | seat with a leaf | plate spring mentioned above.

  The third embodiment of the sheet with a leaf spring configured as described above also includes the light diffusing sheet 3, the electromagnetic wave absorber 1, and the flexible insulating sheet 2 that holds the movable contact 6. The same effect as that obtained by removing the effect of the spacer sheet 4 from the effect of the first embodiment of the sheet is obtained. In particular, in the third embodiment of the sheet with a leaf spring, the adhesive layer 2a of the flexible insulating sheet 2 is exposed by peeling off the release sheet 5 when mounted on an electronic device, and the adhesive layer 2a is interposed therebetween. It can be easily attached to electronic devices and contributes to the improvement of assembly of electronic devices.

[Second Embodiment of Input Device]
FIG. 9 is an enlarged cross-sectional view of a main part showing a second embodiment of the input device according to the present invention.

  In the second embodiment of the input device shown in FIG. 9, the contact-attached sheet according to the third embodiment shown in FIGS. 7 and 8 is provided on the switch board 9 having the LEDs 7. That is, the spacer sheet 4 is removed from the configuration of the first embodiment of the input device shown in FIGS. 3 and 4 described above, and the adhesive layer 2a on the lower surface of the flexible insulating sheet 2 is bonded to the switch substrate 9. . Other configurations are the same as the configurations according to the first embodiment of the input device described above.

  The second embodiment of the input device configured as described above also includes the light diffusing sheet 3, the electromagnetic wave absorber 1, and the flexible insulating sheet 2 that holds the movable contact 6. The same effect as that obtained by removing the effect of the spacer sheet 4 from the effect of the embodiment can be obtained.

[Fourth embodiment of sheet with leaf spring]
FIG. 10 is an enlarged cross-sectional view showing a main part of a fourth embodiment of the sheet with contacts according to the present invention.

  In the fourth embodiment of the sheet with a leaf spring, in particular, the concave portions 3d and 1d are formed in the leaf spring, that is, the portion of the light diffusing sheet 3 facing the movable contact 6 and the portion of the electromagnetic wave absorber 1, respectively. It is. The other configuration is the same as the configuration according to the third embodiment of the sheet with leaf spring described above.

  The fourth embodiment of the sheet with a leaf spring configured as above is also formed by laminating the light diffusing sheet 3, the electromagnetic wave absorber 1, and the flexible insulating sheet 2. The same effect as the third embodiment can be obtained. In particular, in the fourth embodiment of the sheet with a leaf spring, the concave portions 3d and 1d are formed in the portion of the light diffusing sheet 3 facing the movable contact 6 and the portion of the electromagnetic wave absorber 1, respectively. When the contact 6 is pressed, the movable contact 6 is pressed through the concave portions 3d and 1d whose thickness is reduced. Therefore, it is possible to ensure a good operation feeling of the movable contact 6 and to provide a highly reliable input device. Contribute to the realization of

[Other Embodiments]
In addition, in each embodiment of the sheet | seat with a leaf | plate spring and input device mentioned above, it is set as the structure provided with the light diffusable sheet 3 and LED7, However, this invention removes such a light diffusable sheet 3 and LED7, The electromagnetic wave absorber 1 may be configured to be positioned on the uppermost surface. When configured in this manner, a concave portion may be provided in the portion of the electromagnetic wave absorber 1 facing the leaf spring, for example, the movable contact 6 described above. In the configuration provided with such a concave portion, when the movable contact 6 is pressed, the movable contact 6 is pressed through the above-described concave portion of the electromagnetic wave absorber 1 whose thickness is reduced. A good operation feeling of the movable contact 6 can be secured, contributing to the realization of a highly reliable input device.

  Moreover, in each embodiment of the sheet | seat with a leaf | plate spring and input device mentioned above, it is set as the structure provided with the light diffusable sheet | seat 3 and LED7, but it replaces with such a structure, for example, EL (electroluminescence which has an illumination function). ) An EL sheet composed of elements may be provided. Further, instead of such an EL sheet, a sheet having a display function for displaying characters, numbers, pictures, symbols, or the like may be provided.

  Moreover, in each embodiment of the sheet | seat with a leaf | plate spring and an input device mentioned above, the leaf | plate spring hold | maintained at the flexible insulating sheet 2 consists of the movable contact 6, but this invention moves a leaf | plate spring in this way. It is not limited to comprising by the contact 6. For example, the leaf spring may be constituted by a click leaf spring or the like that can press the membrane switch. In short, any configuration may be used as long as a leaf spring is arranged in the switch portion formed on the switch substrate 9.

It is a top view which shows 1st Embodiment of the sheet | seat with a contact which concerns on this invention. It is an AA cross-sectional enlarged view of FIG. It is a top view which shows 1st Embodiment of the input device which concerns on this invention. It is a BB cross-sectional enlarged view of FIG. It is a top view which shows 2nd Embodiment of the sheet | seat with a contact which concerns on this invention. It is CC sectional enlarged view of FIG. It is a top view which shows 3rd Embodiment of the sheet | seat with a contact which concerns on this invention. FIG. 8 is an enlarged DD cross-sectional view of FIG. 7. It is a principal part expanded sectional view which shows 2nd Embodiment of the input device which concerns on this invention. It is a principal part expanded sectional view which shows 4th Embodiment of the sheet | seat with a contact which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electromagnetic wave absorber 1a Adhesive layer 1b Accommodating part 1c End surface 1d Recess 2 Flexible insulating sheet 2a Adhesive layer 2b Accommodating part 2c End surface 3 Light diffusing sheet 3a Adhesive layer 3b Accommodating part 3c End surface 3d Concave 4 Spacer sheet 4a Adhesive layer 4b Housing 4c End face 4d Contact housing (leaf spring housing)
4e Air groove 5 Release sheet 6 Movable contact (leaf spring)
7 LED (lighting member)
8 Mounting hole 9 Switch board 9a Center fixed contact 9b Peripheral fixed contact

Claims (9)

  A sheet spring-attached sheet, wherein a flexible sheet-like electromagnetic wave absorber and a flexible insulating sheet holding a leaf spring are laminated and integrated via an adhesive layer. In the invention of claim 1,
A sheet with a leaf spring, characterized in that a recess is provided in a portion of the electromagnetic wave absorber facing the leaf spring. In the invention of claim 1,
On the electromagnetic wave absorber, a flexible light diffusing sheet is laminated and integrated, and all the sheets including the electromagnetic wave absorber are provided with an accommodating portion that can accommodate an illumination member. A sheet with a leaf spring. In the invention of claim 3,
The sheet | seat with a leaf | plate spring characterized by providing the recessed part in each of the part of the said light diffusable sheet | seat facing the said leaf | plate spring, and the part of the said electromagnetic wave absorber. In the invention of claim 1,
A sheet with a leaf spring, wherein an adhesive layer is provided on the flexible insulating sheet, and a release sheet that can be peeled off from the flexible insulating sheet is bonded to the adhesive layer. In the invention of claim 1,
The sheet | seat with a leaf | plate spring characterized by laminating | stacking and integrating the spacer sheet | seat which has the leaf | plate spring accommodating part in which the said leaf | plate spring is accommodated in the said flexible insulating sheet. In the invention of claim 6 above,
A sheet with a leaf spring, wherein an adhesive layer is provided on the spacer sheet, and a release sheet that can be peeled off from the spacer sheet is bonded to the adhesive layer. In the invention according to any one of claims 1 to 7,
A seat with a leaf spring, characterized in that an attachment hole is provided through which a positioning member for attachment to an electronic device can be inserted.   The sheet with leaf spring according to any one of claims 1 to 8 is laminated on a switch board, and the leaf spring of the sheet with leaf spring is arranged on a switch portion formed on the switch board. An input device in which the switch board and a sheet with a leaf spring are integrated.

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