WO2006022141A1 - 機能素子及びその製造方法、ならびに前記機能素子を用いた電子機器及びその製造方法 - Google Patents
機能素子及びその製造方法、ならびに前記機能素子を用いた電子機器及びその製造方法 Download PDFInfo
- Publication number
- WO2006022141A1 WO2006022141A1 PCT/JP2005/014639 JP2005014639W WO2006022141A1 WO 2006022141 A1 WO2006022141 A1 WO 2006022141A1 JP 2005014639 W JP2005014639 W JP 2005014639W WO 2006022141 A1 WO2006022141 A1 WO 2006022141A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electronic device
- terminal
- side terminal
- base
- functional element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
Definitions
- the present invention relates to a functional element such as a speaker or a microphone of a mobile phone, for example.
- a terminal portion attached to the functional element can be automatically and surely automatically mounted, and the functional element is thermally influenced.
- the present invention relates to a functional element that can be appropriately protected, a manufacturing method thereof, an electronic device using the functional element, and a manufacturing method thereof.
- Japanese Patent Application Laid-Open No. 10-262294 discloses an invention relating to a small microphone assembly using a conductive rubber contact.
- the small microphone assembly is composed of a small capacitor / microphone main body 11, conductive rubber contacts 13, 14, and a rubber molded product 12 for vibration isolation.
- the conductive rubber 13, 14 is a small capacitor. An uncured conductive rubber compound is molded on the electrode surface of the microphone body 11 into a predetermined shape. It is said that it is put on and then cured, and it is self-adhering to form and fix. "
- an electromagnetic coil or the like is built in a microphone mounted on a mobile phone or the like, and the thermal stability of the microphone itself is not so high. For this reason, when the terminal is provided in the microphone, the method of joining the terminal to the microphone by soldering, for example, is preferably affected by heat on the microphone body.
- the small capacitor 'microphone book' The heat at the time of joining the conductive rubber contacts 13, 14 to the body 11 may reach the small capacitor / microphone body 11 due to heat.
- FIG. 17 is a partial cross-sectional view showing a state in which a conventional microphone member is incorporated in a frame of an electronic device such as a mobile phone.
- a terminal portion 2 is provided on the lower surface of the microphone body 1, and the terminal portion 2 is joined to the microphone body 1 by soldering. Therefore, as described above, the microphone body 1 may be damaged by heat when the terminal portion 2 is soldered to the microphone body 1, which is not preferable.
- the terminal portion 2 is manually attached to the microphone body 1. For this reason, it is preferable that mass production can be realized by attaching the terminal part 2 to the microphone body 1 by automatic mounting.
- Patent Document 1 it is unclear whether or not the conductive rubber contacts 13 and 14 can be attached to the small capacitor / microphone main body 11 by automatic mounting.
- the present invention is for solving the above-described conventional problems, and in particular, a terminal portion attached to the functional element can be automatically and surely automatically mounted, and the functional element is appropriately protected with thermal influence. It is an object of the present invention to provide a functional element that can be used and a manufacturing method thereof, and an electronic device using the functional element and a manufacturing method thereof. Disclosure of the invention
- the present invention provides a functional element having an element main body and a terminal portion, wherein the element main body has a recess, and the terminal portion is fixed and held on a base and the base.
- An element side terminal electrically connected to the element body, and an electronic device side terminal fixedly held on the base and electrically connected to the electronic device side, the element side terminal and the electronic device side
- At least one of the terminals is formed of an elastically deformable terminal, the base is embedded in the recess, and the element-side terminal is electrically connected to the element body. It is a feature.
- a concave portion is formed in the element main body, and a base constituting the terminal portion is embedded in the concave portion so that the element-side terminal is electrically connected to the element main body. Is done. For this reason, it is not necessary to join the element side terminal and the element body by soldering or the like, and the element body can be appropriately protected with thermal influence. In addition, the terminal portion can be easily and securely attached to the element body by automatic mounting.
- the surface exposed from the outer surface of the element body of the base is an exposed surface, and the surface positioned on the opposite side of the exposed surface is inserted.
- the element side terminal is provided on the insertion surface and the electronic device side terminal is provided on the exposed surface when a surface connecting the insertion surface and the exposed surface is a side surface. Accordingly, the terminal portion can be formed with a simple structure, and the base can be appropriately embedded in the recess.
- At least one of the element side terminal and the electronic device side terminal is formed of an elastically deformable terminal, but the element side terminal is an elastically deformable terminal. It is preferable that the element main body and the element side terminal can be electrically connected reliably and easily.
- the electronic device side terminal is formed of a terminal that can be elastically deformed, even if the surface on the electronic device side to which the electronic device side terminal is joined is uneven, the electronic device side is appropriately The terminal and the electronic device can be brought into contact with each other, and the electronic device side terminal and the electronic device side terminal can be appropriately electrically connected without soldering the electronic device side terminal and the electronic device. Can be connected.
- both the element side terminal and the electronic device side terminal may be formed of elastically deformable terminals.
- the elastically deformable terminal has a spiral shape, and a winding center protrudes in a direction away from the base.
- the element-side terminal is the elastically deformable terminal
- the element body and the element-side terminal can be electrically connected easily and reliably with the above structure.
- the element of the base is in a state where the base is embedded in the recess.
- the surface exposed from the outer surface of the main body is an exposed surface
- the surface located opposite to the exposed surface is the insertion surface
- the surface connecting the insertion surface and the exposed surface is the side surface, the insertion surface and the side surface
- an inclined surface is provided in between, and the width of the base is gradually increased toward the exposed surface in the portion where the inclined surface is provided. This makes it easy to insert the base into the recess of the element body.
- the base is provided with a through-hole penetrating between the surface on which the element-side terminal is formed and the surface on which the electronic device-side terminal is formed, and is provided in the through-hole. It is preferable that the element side terminal and the electronic device side terminal are electrically connected via the conductive member. Thus, the element side terminal and the electronic device side terminal can be electrically connected reliably and easily.
- the plurality of element side terminals and the electronic side terminal are provided on the same base, the base is embedded in the recess, and the plurality of element side terminals are electrically connected to the element main body. It is preferable to be connected to each other. Thereby, a plurality of element side terminals can be easily electrically connected to the functional element.
- the press-fitting of the base into the recess ensures that the base is fixedly held in the recess of the element body without providing a filler such as grease. This is preferable.
- the functional element is preferably a speaker or a microphone.
- the electronic device according to the present invention is characterized in that the electronic device side terminal of the functional element described in any of the above is electrically connected to an electrode on the electronic device side.
- the terminal portion of the functional element is provided by automatic mounting, and the functional element can be incorporated into the electronic device by automatic mounting.
- the electronic device side terminal is preferably the elastically deformable terminal, and the electronic device side terminal is preferably pressed and electrically connected to the electrode on the electronic device side. .
- the electronic device side terminal and the electrode are securely electrically connected with a simple structure. It can be made.
- the electronic device is preferably a mobile phone. In this way Akira can realize the automatic mounting of functional elements mounted on small electronic devices
- the present invention provides a method of manufacturing a functional element having an element body and a terminal portion, wherein a recess is formed in the element body, and a base constituting the terminal portion is inserted into the recess.
- An element side terminal is provided on the insertion surface facing the insertion direction, and an electronic device side terminal is provided on the surface opposite to the insertion surface.
- At this time at least one of the element side terminal and the electronic device side terminal is provided.
- One of them is formed of an elastically deformable terminal, the base is inserted into the recess from the insertion surface and embedded in the recess, and the element side terminal is electrically connected to the element body. It is a feature.
- the base constituting the terminal portion is embedded in the concave portion provided in the element body to electrically connect the element-side terminal and the functional element.
- the base constituting the terminal portion is embedded in the concave portion provided in the element body to electrically connect the element-side terminal and the functional element.
- At least one of the element side terminal and the electronic device side terminal is formed of an elastically deformable terminal, but the element side terminal is formed of the elastically deformable terminal, Alternatively, both the element side terminal and the electronic device side terminal are formed by elastically deformable terminals, the element side terminal is elastically deformed, and the element side terminal and the element body are electrically connected. However, it is preferable that the element-side terminal and the element body can be electrically connected reliably and easily.
- the base is press-fitted into the concave portion because the terminal portion can be securely held in the concave portion of the element body.
- a plurality of element-side terminals are provided on the insertion surface of the substrate on which a plurality of bases are integrally formed, and a plurality of electronic device-side terminals are provided on the surface opposite to the insertion surface. Thereafter, the substrate is preferably cut into individual bases. As a result, a plurality of terminal portions can be formed at the same time.
- a side surface connecting the insertion surface and the opposite surface of the base and the insertion surface of the base is formed such that an inclined surface whose width dimension gradually increases from the insertion surface toward the opposite surface is formed. It is preferable to form a groove on the cutting line of the insertion surface.
- a plurality of elastically deformable terminals provided on at least one of the element side terminal and the electronic device side terminal are formed, and the plurality of elastically deformable terminals are formed on a sheet. Attached to the member,
- the elastically deformable terminal is formed by, for example, electroplating using a photolithographic technique. However, after the elastically deformable terminal is formed, a plurality of the terminals must be separated! As described above, each terminal is fixedly held by the sheet member, and the sheet member is joined onto the substrate and the cutting process is performed, so that the elastically deformable terminal is attached to the base easily and reliably. I like it.
- the substrate may be cut into individual bases after the sheet member is bonded onto the substrate and the sheet member is removed.
- the terminal portion in which the element-side terminal and the electronic device-side terminal are attached to a base is stored in a carrier tape, and the terminal portion is fixedly held by the transport member from the carrier tape.
- the terminal portion can be inserted into the concave portion of the element main body, and the very small terminal portion can be securely held and inserted into the concave portion of the functional element, thereby improving the yield in automation. I can plan.
- the electronic device manufacturing method of the present invention is characterized in that the electronic device side terminal of the functional element manufactured by any of the above is electrically connected to the terminal on the electronic device side. To do.
- the terminal portion of the functional element can be automatically mounted and the functional element can be incorporated into the electronic device by automatic mounting.
- the electronic device side terminal is formed by the elastically deformable terminal, and the electronic device side terminal is pressed and electrically connected to the electrode on the electronic device side. .
- the electronic device-side terminal and the electrode are reliably electrically connected with a simple structure that eliminates the need for soldering or the like between the electronic device-side terminal and the electronic device-side electrode. It can be continued.
- the electronic device side terminal and the electronic device side electrode may be joined by soldering.
- the terminal portion has a base, heat at the time of soldering between the terminal on the electronic device side and the electrode on the electronic device side does not directly reach the element body, and damage to the element body due to heat is prevented. It can be reduced.
- a recess is formed in the element body, and a base that constitutes a terminal portion is embedded in the recess, and an element-side terminal fixed and held on the base is in electrical contact with the element body.
- At least one of the element side terminal and the electronic device side terminal is formed of an elastically deformable terminal, but the element side terminal may be formed of an elastically deformable terminal. It is preferable that the element body and the element side terminal can be electrically connected reliably and easily.
- the electronic device side terminal is formed of a terminal that can be elastically deformed, even if there is unevenness on the surface of the electronic device side to which the electronic device side terminal is joined, the electronic device side appropriately The terminal and the electronic device can be brought into contact with each other, and the electronic device side terminal and the electronic device side terminal can be appropriately electrically connected without joining the electronic device side terminal and the electronic device by soldering or the like. Can be connected.
- FIG. 1 is a partial plan view of a mobile phone
- FIG. 2 is a partial plan view of the mobile phone when the upper case of the mobile phone is removed
- FIG. FIG. 4 is a partial cross-sectional view of the mobile phone as viewed from above, and FIG. 4 is for explaining the structure of the functional element (microphone) according to the first embodiment of the present invention.
- FIG. 5 is an enlarged perspective view of the terminal portion according to the present invention
- FIG. 6 is a partial cross-sectional view shown in FIG. 3 for explaining the structure of the functional element (microphone) according to the second embodiment of the present invention.
- 7 is an enlarged partial sectional view
- FIG. 7 is a diagram for explaining the structure of the functional element (microphone) according to the third embodiment of the present invention, and is an enlarged partial sectional view shown in FIG.
- FIG. 8 is a large cross-sectional view
- FIG. 8 is for explaining the structure of the functional element (microphone) of the fourth embodiment of the present invention, and is a partially enlarged cross-sectional view in which the partial cross-sectional view shown in FIG.
- FIG. 4 is a partial enlarged cross-sectional view for enlarging the partial cross-sectional view shown in FIG. 3, for illustrating the structure of a functional element (microphone) according to a fifth embodiment of the present invention.
- the mobile phone 10 includes a speaker 14, a display unit 12, various buttons 13, and a microphone 11.
- the mobile phone 10 has an upper case 15, a frame 16 for mounting various components, and a lower case (not shown).
- the frame 16 incorporates a microphone 11 or the like.
- two terminal portions 17 and 17 protrude from the lower surface of the microphone 11, and the terminal portions 17 and 17 are fixedly held on the frame body 16 with, for example, screws 19 and 19.
- the wiring board 18 is electrically connected to the electrodes.
- the microphone 11 has a microphone body 20 and terminal portions 17 and 17.
- the microphone body 20 includes a diaphragm, a magnetic circuit, a voice coil, and the like. As shown in FIG. 4, two recesses 20b are formed on the lower surface 20a of the microphone body 20.
- the XY plane which is a force in the width direction (X direction in the figure) and the length direction (Y direction in the figure) of the recess 20b, is formed in a substantially rectangular shape.
- electrodes 21 and 21 are provided on the upper surface 20bl of the recess 20b to be electrically connected to the magnetic circuit built in the microphone body 20.
- terminal portions 17 and 17 are embedded in the recess 20b. Hereinafter, the structure of the terminal portions 17 and 17 will be described.
- the terminal portions 17 and 17 are composed of a base 22, an element side terminal 23 provided on the upper surface (insertion surface) 22a of the base 22, and a lower surface (exposed) of the base 22. Surface) and the electronic device side terminal 24 provided on 22b.
- the base 22 is formed of an insulating material such as plastic resin, and is formed in a substantially rectangular shape as shown in FIGS.
- the maximum dimension in the width direction (X direction in the figure) and the maximum dimension in the length direction (Y direction in the figure) of the base 22 are the width direction (X direction in the figure) of the recess 20b of the microphone body 20 shown in FIG.
- the size and the size in the length direction (Y direction in the figure) are almost the same or smaller.
- the dimension of the base 22 in the height direction (Z direction in the figure) is the distance between the lower surface 20a of the microphone body 20 and the wiring board 18, the element side terminals 23 and It is determined in consideration of the height dimension of the electronic device side terminal 24.
- the base 22 may not be substantially rectangular, but may be, for example, a substantially cylindrical shape.
- the shape of the recess 20b is also changed according to the shape of the base 22.
- an inclined surface 22d is formed between the upper surface 22a and the side surface 22c of the base 22.
- the width dimension (and length dimension) force gradually increases from the upper surface 22a of the base 22 toward the lower surface 22b. Therefore, it is easy to insert the base 22 into the recess 20b using the upper surface 22a of the base 22 as an insertion surface.
- a through hole 25 is formed in the base 22 so as to penetrate from the upper surface 22a to the lower surface 22b.
- the through hole 25 is filled with a metal layer 26 such as internal force Cu.
- the element side terminal 23 and the electronic device side terminal 24 are electrically connected through the metal layer 26.
- the element side terminal 23 is an elastically deformable terminal wound in a spiral shape.
- the element-side terminal 23 is formed by using, for example, a photolithography technique and has a laminated structure of a metal material rich in elasticity such as Ni and Au or the like having excellent conductivity and corrosion resistance. .
- the base 23a of the element side terminal 23 is joined to the upper surface 22a of the base 22 via a conductive adhesive or the like, and a spiral-shaped terminal is connected to the base 23a. It is extended.
- the spiral-shaped terminal part is three-dimensionally formed gradually away from the base 22 from the winding start end 23b toward the winding end (winding center) 23c, and the vicinity of the winding end 23c protrudes upward most. Molded.
- the electronic device side terminal 24 is also an elastically deformable terminal formed in a spiral shape like the element side terminal 23.
- the base 22 is embedded in the recess 20b with the element side terminal 23 facing the electrode 21, and the element side terminal 23 and the electrode 21 of the microphone body 20 are Are electrically connected.
- the element side terminal 23 is an elastically deformable terminal. Therefore, when the base 22 is pushed in the direction of the electrode 21, the element side terminal 23 is elastically deformed to cause the element side terminal 23 and the electrode 21 to be deformed. As a result, the element-side terminal 23 and the electrode 21 are reliably connected to each other.
- the element side terminal 23 is an elastically deformable terminal. If configured, the element-side terminal 23 and the electrode 21 can be reliably connected to each other without soldering or using a conductive adhesive or the like.
- the force is also three-dimensionally molded so that the vicinity of the winding end 23c protrudes, the element-side terminal 23 abuts against the electrode 21 even if the base 22 is not completely pushed into the recess 20b. At the same time, it can be elastically deformed appropriately, and a conductive connection between the element side terminal 23 and the electrode 21 can be achieved.
- the base 22 is preferably press-fitted into the recess 20b.
- the base 22 can be properly retained in the recess 20b without using a filler such as grease.
- a filler such as grease.
- the electronic device side terminal 24 is also a spiral elastically deformable terminal like the element side terminal 23, the electronic device side terminal 24 is on the electrode 27 of the wiring board 18.
- the electronic device side terminal 24 is appropriately elastically deformed when being pressed with, so that the contact area between the electrode 27 and the electrode 27 can be expanded and the conductive connection can be reliably established without using solder or conductive adhesive. . Even if the electrode forming surface of the wiring board 18 has irregularities or the like, the electronic device side terminal 24 and the electrode 27 of the wiring board 18 can be properly brought into contact with each other.
- the structure of the electronic device side terminal is different from that in FIG.
- the electronic device side terminal 24 is a spiral-shaped elastically deformable terminal, but in FIG. 6, the electronic device side terminal 30 is a bump (hereinafter may be referred to as a bump 30).
- the bump 30 is a solder layer, and a solder bump 30 is formed on the lower surface 22b side of the base 22 by screen printing or the like. Then, the bump 30 is melted by applying heat, and the bump 30 and the electrode 27 of the wiring board 18 are joined (so-called reflow soldering).
- the microphone main body 20 is particularly formed of a capacitor-type microphone using a material based on silicon having excellent heat resistance. It is preferred that however, in FIG. 6, since the base 22 exists in the members constituting the terminal portions 17 and 17, heat does not directly reach the microphone body 20, and the influence of soldering heat into the microphone body 20 can be reduced. It has a structure that can.
- the structure of the element side terminal is different from that in FIG.
- the element-side terminal 23 is a spiral-shaped elastically deformable terminal.
- a flat-plate-shaped element-side terminal 35 is formed on the upper surface 22a of the base 22 by means of a plating or the like. The element side terminal 35 does not elastically deform as shown in FIG.
- the base 22 is pushed into the recess 20b formed in the microphone body 20 until the element-side terminal 35 and the electrode 21 of the microphone body 20 come into contact with each other. Thereby, the element side terminal 35 and the electrode 21 are electrically connected.
- the element side terminal since the base 22 is embedded in the recess 20b of the microphone body 20, the element side terminal can be connected without joining the element side terminal 35 and the electrode 21 with solder or the like. Conductive connection between 35 and electrode 21 can be achieved.
- a conductive portion 40 having a predetermined film thickness is formed on the inner side surface 25a of the through hole 25 along the inner side surface 25a by an electroless plating method or the like.
- the through-hole 25 is filled with a sealing material 41 such as resin.
- the element side terminal 35 and the electronic device side terminal 30 are conductively connected through the conductive portion 40.
- two element side terminals 23 and 23 and two electronic device side terminals 30 and 30 are provided on one base 45.
- the recesses 20b and the terminal portions 17 embedded in the recesses 20b are provided corresponding to the number of electrodes 21 provided in the microphone body 20.
- a plurality of electrodes 21, 21 are formed on the upper surface 46 a of the recess 46 provided in the microphone body 20, and a plurality of element side terminals 23 and the electronic device side are mounted on the base 45 embedded in the recess 46.
- the manufacturing process time of the terminal portion 17 can be shortened.
- only one base 45 is provided for the one microphone main body 20, and a number of element side terminals 23 and electronic device side terminals 30 corresponding to all the electrodes 21 are provided on the base 45. And prefer to be.
- the microphone body 20 has a recess 20b, and a base 22 constituting the terminal portion 17 is embedded in the recess 20b so that the element-side terminal is embedded. 23 is electrically connected to the microphone body 20.
- the element can be It is not necessary to join the side terminal 23 and the microphone main body 20, and the microphone main body 20 can be appropriately protected from thermal influence.
- the terminal portion 17 can be attached to the microphone main body 20 easily and reliably by automatic mounting as will be described later.
- At least one of the element side terminal 23 and the electronic device side terminal 24 is formed of an elastically deformable terminal. Is formed of an elastically deformable terminal, the element side terminal 23 is elastically deformed in the recess 20b, and the microphone body 20 and the element side terminal 23 are electrically connected reliably and easily. I like it.
- the electronic device side terminal 24 is formed of a terminal that can be elastically deformed, even if the surface of the wiring board 18 on the electronic device side to which the electronic device side terminal 24 is joined is uneven.
- the electronic device side terminal 24 and the wiring board 18 can be appropriately joined, and the electronic device side terminal 24 can be securely connected without soldering or the like between the electronic device side terminal 24 and the wiring board 18. It can be brought into contact with the electrode 27 of the wiring board 18, and the electrical connection between the electronic device side terminal 24 and the electrode 27 can be reliably achieved.
- the element side terminal 23 is provided on the upper surface 22a which is an insertion surface facing the insertion direction of the base 22 into the recess 20b, and is opposite to the upper surface 22a. Force that the electronic device side terminal 24 is provided on the lower surface (exposed surface) 22b that is the side surface, for example, when a gap is formed between the side surface 22c of the base 22 and the recess 20b to some extent, The element side terminal 23 may be formed on the side surface 22c. However, the element side terminal 23 can be provided on the upper surface 22a of the base 22 and the electronic device side terminal 24 can be provided on the lower surface 22b.
- a conductive connection with the electrode 21 of the main body 20 and a conductive connection between the electronic device side terminal 24 and the electrode 27 of the wiring board 18 can be obtained. Also, do not damage the element side terminal 23 when inserted into the recess 20b of the base 22!
- FIGS. 10 to 15 are process diagrams showing the manufacturing process of the microphone 11 shown in FIG. 4, FIG. 5 or FIG. 6.
- FIGS. 10 to 13 show the manufacturing of the terminal portion 17 constituting the microphone 11. It is one process figure which shows a process.
- FIG. 10 is a partial perspective view showing the manufacturing process of the terminal portion 17,
- FIG. 11 is a partially enlarged plan view of the upper sheet member shown in FIG. 10,
- FIG. FIG. 13 is a partially enlarged sectional view showing a manufacturing process of the terminal portion 17 performed in FIG. 6, and
- FIG. 13 is a partially enlarged sectional view showing a manufacturing process of the terminal portion shown in FIG.
- FIG. 14 is a partial perspective view showing a step of taking out the terminal portion held in the carrier tape
- FIG. 15 is a partial cross-sectional view showing a step of inserting the terminal portion into the recess of the microphone body.
- FIG. 16 is a partial perspective view showing the process of incorporating the microphone completed up to the process of FIG. 15 into the
- Reference numeral 50 denotes an upper sheet member, and the upper sheet member 50 is provided with a plurality of element-side terminals 23.
- the element side terminal 23 is an elastically deformable terminal and is formed in a spiral shape as shown in FIG.
- the element-side terminal 23 is formed by photolithography or the like using a photolithographic technique, and as shown in FIG. 5, the winding end (winding center) 23c protrudes upward so as to protrude upward. Molded.
- the base 23a of each element side terminal 23 is joined to an insulating sheet 53 such as polyimide using a conductive adhesive or the like, and each element side terminal 23 is fixed to the insulating sheet 53. Hold.
- the insulating sheet 53 is provided with through holes 53a that are slightly smaller than the outer diameter of the base 23a of the element side terminal 23 in accordance with the number of the element side terminals 23.
- the base 23a of the element side terminal 23 is fixedly held below the peripheral edge of the 53a, and the spiral portion (the part from the winding start end 23b to the winding end 23c) of the element side terminal 23 is moved upward from the inside of the through hole 53a. Protrude toward.
- Reference numeral 52 denotes a lower sheet member, and the lower sheet member 52 is the same as the upper sheet member 50.
- the lower sheet member 52 is an upper sheet member 50 shown in FIG.
- Reference numeral 51 denotes a substrate.
- the substrate 51 is formed by forming a plurality of bases 22, and the substrate 51 is cut into each base 22 in a later step.
- a plurality of through holes 25 are formed in the substrate 51, and the through holes 25 are filled with a metal layer 26 such as Cu.
- the metal layer 26 is embedded by an existing plating method or the like.
- each metal layer 26 and the formation position of each element side terminal 23 and each electronic device side terminal 24 coincide with each other in the film thickness direction.
- the upper surface 51a of the substrate 51 that is, the surface facing the upper sheet member 50 side is, for example, along a cutting line.
- a groove 54 is formed by etching or the like.
- the cross-sectional shape of the groove 54 in the direction perpendicular to the cutting line and in the film thickness direction is substantially V-shaped.
- a groove 55 is formed along the cutting line on the lower surface 51b of the substrate 51.
- the groove 55 formed on the lower surface 5 lb side of the substrate 51 is formed on the upper surface 51b. It may be shallower than the groove 54 formed on the a side. Further, the groove 55 may not be formed in the lower surface 51b of the substrate 51.
- a slit 56 may be provided on the cutting line of the insulating sheet 53 constituting the upper sheet member 50.
- the formation position of the slit 56 is exactly the same as the deepest part (center position of the groove 54) 54a of the groove 54.
- the upper sheet member 50 is joined to the upper surface 51a of the substrate 51 shown in FIG. 10 by using a conductive adhesive or the like, and the lower sheet member 52 is electrically conductive to the lower surface 5 lb of the substrate 51. Join using an adhesive or the like.
- the base portion 23a of the element side terminal 23 is joined to the upper surface of the metal layer 26, and the base portion of the electronic device side terminal 24 is joined to the lower surface of the metal layer 26. Therefore, the element side terminal 23 and the electronic device The side terminal 24 is in a conductive connection through the metal layer 26.
- the insulating sheet 53 and the substrate 51 are cut along a cutting line of the base plate 51. Since the cutting line is on the deepest portion 54a of the groove 54, the substrate 51 is cut along the deepest portion 54a in the dotted line direction (film thickness direction) shown in FIG. Dicing or the like is used for cutting.
- the bump 30 is provided on one side of the base 22 as shown in FIG. 6, only the substrate 51 and the upper sheet member 50 are prepared in the step of FIG. 10, and the substrate 51 and the upper sheet member 50 are bonded together.
- bumps 30 are formed in advance on the lower surface 51b of the substrate 51 by screen printing or the like. Since the inside of the through hole 25 of the substrate 51 is filled with the metal layer 26, the lower surface 5 lb of the substrate 51 is almost flat, so that the bumps 30 can be easily formed on the lower surface 5 lb by screen printing or the like. Then, the substrate 51 and the upper sheet member 50 are bonded together using a conductive adhesive or the like, and then the substrate 51 is cut for each individual base 22 by dancing or the like.
- an insulating sheet 53 is left between the base 22 and the element side terminals 23 (and the electronic device side terminals 24).
- the insulating sheet 53 may be left, but may be removed unless particularly necessary.
- the timing at which the insulating sheet 53 is removed is that the upper sheet member 50 is bonded onto the substrate 51 in the step of FIG. 12 and the lower sheet member 52 is bonded to the lower surface of the substrate 51 and then the insulating sheet 53 is cut before the cutting step. Is preferably removed.
- the slit 56 is used as a positioning window when the upper sheet member 50 is bonded on the substrate 51, for example, when the slit 56 is used as a mark for cutting, the slit 56 is used regardless of whether or not the insulating sheet 53 is removed. It is good to provide. For example, positioning is performed so that the deepest portion 54a of the groove 54 can be seen from all the slits 56.
- the plurality of terminal portions 17 formed by the above-described steps are respectively stored in the carrier tape 60 as shown in FIG.
- the carrier tape 60 is composed of a tape base 61 and a release film 62 covering the tape base 61, and the tape base 61 is stored in a plurality at a predetermined interval along the tape drawing direction.
- Chamber 61a is provided.
- the terminal portion 17 is housed in the housing chamber 61 a, and the release film 62 is bonded onto the tape base material 61.
- the terminal portion 17 is preferably stored in the storage chamber 61a so that the electronic device side terminal 24 side faces upward.
- the carrier tape 60 shown in FIG. 14 is placed on the production line, the release tape 62 of the carrier tape 60 is peeled off, and the terminal portion 17 stored in the storage chamber 61a is transferred to a transport device (not shown). Suction by the provided suction part 63, while holding the terminal part 17 It is transported to the terminal part mounting process part where the microphone body 20 is provided. The suction part 63 sucks the terminal part 17 by vacuuming, for example.
- the concave portion 20b provided on the lower surface 20a side of the microphone body 20 is placed on the line with the upward facing, and is fixed and held by the suction portion 63.
- the held terminal portion 17 is transported to the concave portion 20b.
- the terminal portion 17 is stored in the storage chamber 61a of the carrier tape 60 so that the electronic device side terminal 24 side faces upward, the terminal portion 17 is an electronic device side terminal.
- the 24 side is conveyed in a state of being fixedly held by the suction part 63.
- the element side terminal 23 of the terminal portion 17 In order to electrically connect the electrode 21 in the recess 20b and the element side terminal 23, the element side terminal 23 of the terminal portion 17 must be inserted into the recess 20b. If the electronic device side terminal 24 side is fixedly held as in 15, the element side terminal 23 in the free state (fixed and held side) should be inserted into the recess 20 b as it is. I can do it.
- the terminal portion 17 when the terminal portion 17 is inserted into the recess 20b, the fixed holding by the suction portion 63 may be released, and the terminal portion 17 may be pushed into the recess 20b by another dedicated pushing member.
- the terminal unit 17 is transported from the carrier tape 60 and inserted into the recess 20b by the same apparatus. Therefore, it is possible to simplify the manufacturing equipment and shorten the manufacturing time, which is preferable.
- the insertion surface 22a (same as the upper surface 22a shown in FIG. 4) and the side surface 22c are inserted in the insertion direction between the insertion surface 22a facing the insertion direction into the recess 20b of the base 22 constituting the terminal portion 17 Therefore, since the inclined surface 22d whose width dimension is gradually narrowed is provided, when the terminal portion 17 is pushed into the recess 20b by the suction portion 63, the base 22 is temporarily in the recess 2 Ob.
- the base 22 enters the recess 20b while sliding on the inclined surface 22d of the base 22 even when it hits the corner 20b2 (the edge between the lower surface 20a of the microphone body 20 and the side surface of the recess 20b). As a result, the terminal portion 17 can be smoothly inserted into the recess 20b.
- the terminal portion 17 it is preferable to press-fit the terminal portion 17 into the recess 20b. Accordingly, the terminal portion 17 can be appropriately fixed and held in the concave portion 20b even without a filler material such as grease.
- the terminal portion 17 is pushed into the recess 20b until the element side terminal 23 shown in FIG. 15 contacts at least the electrode 21 of the microphone body 20.
- the element side terminal 23 is an elastically deformable terminal, as the pushing amount of the terminal portion 17 is increased, the element side terminal 23 is elastically deformed, and the contact area on the electrode 21 is increased, thereby reliably
- the element-side terminal 23 and the electrode 21 can be conductively connected.
- the terminal portion 17 can be attached to the microphone body 20 by automatic mounting as described above.
- the terminal portions shown in FIGS. 6 to 8 can also be attached to the microphone body 20 by using the same method as described in FIGS. 14 and 15.
- the shape of the base 45 can be made large.
- the electronic device side terminal 24 is formed in the vicinity of the central portion 45a of the base 45 as shown in Fig. 9, and in the form, the vicinity of the central portion 45a is sucked by the suction portion 63, and the terminal portion is It can be inserted into the recess 46 of the microphone body 20.
- the base 45 Since the shape of the base 45 is large, it can be sucked and transported, and the base 45 portion near the central portion 45a where the electronic device side terminal 24 is not formed is sucked by the suction portion 63, so the electronic device side terminal 24 Compared to the case where the portion is sucked and pushed into the recess 46 as it is, the characteristics of the electronic device side terminal 24 are not easily changed by the suction force by the suction portion 63 or the pushing force into the recess 46. Further, since the vicinity of the central part 45a of the base 45 can be sucked by the suction part 63, the terminal part 45 can be transported to the concave part 46 of the microphone main body 20 in a balanced manner without the base 45 tilting during transport. I can do it.
- the microphone 11 having the terminal portion 17 formed through the step of FIG. 15 is assembled into the mounting hole 16a provided in the frame body 16 of the mobile phone, and the wiring board 18 is further mounted.
- the electronic device side terminal 24 of the microphone 11 and the electrodes 27 and 27 of the wiring board 18 are brought into contact with each other, and the electronic device side terminal 24 and the electrode 27 are electrically connected.
- the wiring member 18 is fixedly held on the frame body 16 by screws 19 shown in FIG.
- the microphone 11 is press-fitted into the assembly hole 16a of the frame body. After that, the electrode 27 of the wiring board 18 and the electronic device side terminal 24 of the microphone 11 are pressed against each other. As a result, the electronic device side terminal 24 formed of an elastically deformable terminal is elastically deformed to increase the contact area on the electrode 27. In this case, the conductive connection between the electronic device side terminal 24 and the electrode 27 can be ensured without soldering between the electronic device side terminal 24 and the electrode 27.
- the electronic device side terminal is the bump 30 as shown in FIG. 6, the bump 30 and the electrode 27 of the wiring board 18 are first joined by reflow soldering, and then the microphone 11 is attached to the microphone 11.
- the frame 16 may be inserted into the assembly hole 16a.
- the microphone 11 and the wiring board 18 can be assembled to the frame 16 by automatic mounting.
- the present invention can also be applied to the speaker 14.
- the mobile phone 10 has been described as an example of the electronic device.
- the present invention is not limited to the mobile phone but can be applied to other electronic devices.
- the present invention can automatically implement functional elements such as a microphone and a speaker mounted on a small electronic device such as a mobile phone, and can greatly improve productivity compared to the conventional technology. It is.
- the present invention relates to a functional element such as a speaker or a microphone of a mobile phone, and in particular, a terminal portion attached to the functional element can be automatically and surely automatically mounted, and the functional element is thermally influenced. It is useful as a functional element that can be appropriately protected and a manufacturing method thereof, as well as an electronic device using the functional element and a manufacturing method thereof.
- FIG. 1 is a partial plan view of a mobile phone.
- FIG. 2 is a partial plan view of the mobile phone when the upper case of the mobile phone is removed.
- FIG. 3 is a partial cross-sectional view of the mobile phone as seen from the direction of the arrow cut along the line I-I shown in FIG.
- FIG. 4 is a diagram for explaining the structure of a functional element (microphone) according to the first embodiment of the present invention.
- FIG. 4 is a partial enlarged cross-sectional view showing an enlarged partial cross-sectional view shown in FIG. 3.
- FIG. 5 is an enlarged perspective view of a terminal portion in the present invention.
- FIG. 6 is a partial enlarged cross-sectional view for enlarging the partial cross-sectional view shown in FIG. 3, for illustrating the structure of the functional element (microphone) according to the second embodiment of the present invention.
- FIG. 7 is a partial enlarged cross-sectional view for enlarging the partial cross-sectional view shown in FIG. 3, for illustrating the structure of the functional element (microphone) according to the third embodiment of the present invention.
- FIG. 8 is a partial enlarged cross-sectional view for enlarging the partial cross-sectional view shown in FIG. 3, for illustrating the structure of the functional element (microphone) according to the fourth embodiment of the present invention.
- FIG. 9 is a partial enlarged cross-sectional view for enlarging the partial cross-sectional view shown in FIG. 3, for illustrating the structure of the functional element (microphone) according to the fifth embodiment of the present invention.
- FIG. 10 is a partial perspective view showing a manufacturing process of the terminal portion 17 shown in FIG. 4.
- FIG. 11 is a partially enlarged plan view of the upper sheet member shown in FIG.
- FIG. 12 is a partially enlarged cross-sectional view showing the manufacturing process of the terminal portion 17 performed next to FIG.
- FIG. 13 is a partial enlarged cross-sectional view showing a manufacturing process of the terminal portion shown in FIG.
- FIG. 14 is a partial perspective view showing a process of taking out the terminal portion held in the carrier tape.
- FIG. 15 is a partial cross-sectional view showing a process of inserting the terminal portion into the recess of the microphone body.
- FIG. 16 is a partial perspective view showing a process of incorporating the microphone completed through the processes up to FIG. 15 into the mobile phone body.
- FIG. 17 is a partial cross-sectional view showing a state in which a conventional microphone member is incorporated in a frame of an electronic device such as a mobile phone.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/574,298 US20080310137A1 (en) | 2004-08-26 | 2005-08-10 | Function Element, Method For Manufacturing The Function Element, Electronic Device Equipped With The Function Element, And Method For Manufacturing The Electronic Device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-247037 | 2004-08-26 | ||
| JP2004247037A JP4209369B2 (ja) | 2004-08-26 | 2004-08-26 | 機能素子及びその製造方法、ならびに前記機能素子を用いた電子機器及びその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006022141A1 true WO2006022141A1 (ja) | 2006-03-02 |
Family
ID=35967358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/014639 Ceased WO2006022141A1 (ja) | 2004-08-26 | 2005-08-10 | 機能素子及びその製造方法、ならびに前記機能素子を用いた電子機器及びその製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20080310137A1 (ja) |
| JP (1) | JP4209369B2 (ja) |
| CN (1) | CN101027936A (ja) |
| WO (1) | WO2006022141A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010278429A (ja) * | 2009-05-26 | 2010-12-09 | Semikron Elektronik Gmbh & Co Kg | パワー半導体モジュールのための接触装置 |
| WO2021056198A1 (zh) * | 2019-09-24 | 2021-04-01 | 京东方科技集团股份有限公司 | 麦克风声学组件及显示屏 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102598711B (zh) * | 2009-10-29 | 2015-02-25 | 松下电器产业株式会社 | 扬声器、使用该扬声器的电子设备以及携带式电话 |
| US20130168132A1 (en) * | 2011-12-29 | 2013-07-04 | Sumsung Electro-Mechanics Co., Ltd. | Printed circuit board and method of manufacturing the same |
| JP6112422B2 (ja) * | 2014-03-12 | 2017-04-12 | 住友電装株式会社 | コネクタのための異物除去方法及びその装置 |
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| JP2003149293A (ja) * | 2000-09-26 | 2003-05-21 | Yukihiro Hirai | スパイラルコンタクタ及びその製造方法、並びにそれを用いた半導体検査装置、及び電子部品 |
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| DE19713661C1 (de) * | 1997-04-02 | 1998-09-24 | Siemens Nixdorf Inf Syst | Kontaktanordnung |
| US6151967A (en) * | 1998-03-10 | 2000-11-28 | Horizon Technology Group | Wide dynamic range capacitive transducer |
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- 2004-08-26 JP JP2004247037A patent/JP4209369B2/ja not_active Expired - Fee Related
-
2005
- 2005-08-10 US US11/574,298 patent/US20080310137A1/en not_active Abandoned
- 2005-08-10 WO PCT/JP2005/014639 patent/WO2006022141A1/ja not_active Ceased
- 2005-08-10 CN CNA2005800288003A patent/CN101027936A/zh active Pending
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| JPH10262294A (ja) * | 1997-03-19 | 1998-09-29 | Fuji Kobunshi Kogyo Kk | 導電性ゴム接点を使用した小型マイク組立品 |
| JPH1188991A (ja) * | 1997-09-04 | 1999-03-30 | Shin Etsu Polymer Co Ltd | コンデンサマイクロフォンの接続方法、接続構造 |
| JP2002175859A (ja) * | 2000-09-26 | 2002-06-21 | Yukihiro Hirai | スパイラルコンタクタ、これを用いた半導体検査装置及び電子部品 |
| JP2003149293A (ja) * | 2000-09-26 | 2003-05-21 | Yukihiro Hirai | スパイラルコンタクタ及びその製造方法、並びにそれを用いた半導体検査装置、及び電子部品 |
| JP2002343470A (ja) * | 2001-05-14 | 2002-11-29 | Hosiden Corp | 電子部品用コネクタ及びその取付構造及びそれを備えた情報処理装置 |
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| JP2003324791A (ja) * | 2002-04-30 | 2003-11-14 | Star Micronics Co Ltd | 電気音響変換器 |
| JP2004106880A (ja) * | 2002-09-18 | 2004-04-08 | Achilles Corp | 電子部品包装用カバーテープおよびその製造方法 |
| JP2004261836A (ja) * | 2003-02-28 | 2004-09-24 | Yasuyuki Ozaki | 極微細精密断面加工用プレス金型とプレス加工方法並びにこれらを適用した要素部品及びこれを用いた各種部品・機器・装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010278429A (ja) * | 2009-05-26 | 2010-12-09 | Semikron Elektronik Gmbh & Co Kg | パワー半導体モジュールのための接触装置 |
| WO2021056198A1 (zh) * | 2019-09-24 | 2021-04-01 | 京东方科技集团股份有限公司 | 麦克风声学组件及显示屏 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101027936A (zh) | 2007-08-29 |
| JP4209369B2 (ja) | 2009-01-14 |
| JP2006067226A (ja) | 2006-03-09 |
| US20080310137A1 (en) | 2008-12-18 |
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