WO2006030611A1 - 機能素子実装モジュール及びその製造方法 - Google Patents
機能素子実装モジュール及びその製造方法 Download PDFInfo
- Publication number
- WO2006030611A1 WO2006030611A1 PCT/JP2005/015406 JP2005015406W WO2006030611A1 WO 2006030611 A1 WO2006030611 A1 WO 2006030611A1 JP 2005015406 W JP2005015406 W JP 2005015406W WO 2006030611 A1 WO2006030611 A1 WO 2006030611A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- functional element
- functional
- mounting module
- sealing resin
- module according
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 239000011347 resin Substances 0.000 claims abstract description 64
- 229920005989 resin Polymers 0.000 claims abstract description 64
- 230000003287 optical effect Effects 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000000470 constituent Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 19
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 8
- 239000011521 glass Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 235000005811 Viola adunca Nutrition 0.000 description 4
- 240000009038 Viola odorata Species 0.000 description 4
- 235000013487 Viola odorata Nutrition 0.000 description 4
- 235000002254 Viola papilionacea Nutrition 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010894 electron beam technology Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
Classifications
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- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
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- H01S5/32341—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser emitting light at a wavelength less than 900 nm blue laser based on GaN or GaP
Definitions
- the present invention relates to a functional element mounting module such as a light receiving element or a light emitting element, and more particularly to a technique of an optical functional element mounting module for mounting an optical functional element on a substrate using a sealing resin.
- optical functional element mounting module for example, a module having a hollow package is known.
- a package 101 of a conventional optical functional element mounting module 100 is configured by attaching a translucent member 104 to a substrate 102 via a frame-shaped spacer 103.
- the optical functional element 105 is arranged with the optical functional unit 106 facing the translucent member 104, and the optical signal 107 is transmitted and received.
- the frame-shaped spacer 103 is indispensable for holding the translucent member 104, and there is a problem that there is a limit to downsizing.
- the present invention has been made to solve the above-described problems of the prior art, and provides a functional element module that does not require an expensive special member and can be reduced in size, and a method for manufacturing the functional element module.
- the purpose is to provide.
- a predetermined wiring pattern is formed.
- the functional element can be electrically connected to the wiring pattern of the substrate by a wire bonding method.
- a protective covering member that covers the hole of the package component member may be provided on the package component member.
- a gas exhaust port communicating with the functional part exposure space may be provided between the package component member and the protective covering member.
- the protective covering member may be a protective film capable of peeling off the package constituent member.
- the functional element may be an optical functional element.
- a blocking portion for blocking the sealing resin may be provided in the vicinity of the functional portion of the functional element.
- the damming portion may be provided in a region around the functional portion of the functional element.
- the damming portion is formed in a substantially ring shape.
- the damming portion may be a jetty portion formed so as to protrude on the functional element.
- the damming portion may be a groove formed by a protective film provided on the functional element.
- a jetty for blocking liquid sealing resin is provided in the vicinity of the functional element on a substrate on which the predetermined wiring pattern is formed and the predetermined functional element is mounted.
- a liquid sealing resin is dripped between the jetty and the sealing element is filled between the functional element and the jetty, and a hole corresponding to the functional part of the functional element is formed.
- the package constituent member is brought into contact with the jetty portion with the hole facing the functional portion of the functional element, thereby bringing the package constituent member into contact with the liquid sealing resin, and
- This is a method for manufacturing a functional element mounting module, which includes a step of curing the sealing resin, fixing the package constituent member on the substrate, and removing the jetty portion.
- the jetty portion is provided in a region around the functional element.
- the jetty in the above invention, can be formed in a substantially ring shape.
- the functional element may be an optical functional element.
- a functional element having a damming portion for damming the sealing resin in the vicinity of the functional portion may be used as the functional element.
- the present invention may further include a step of providing a protective covering member on the package constituent member for covering the hole of the package constituent member.
- the functional part of the functional element is exposed.
- a blue-violet laser is used without using expensive glass with a special coating.
- Light can be input and output reliably without attenuating short-wavelength light such as light.
- a frame-shaped spacer is not required, a very small functional element mounting module can be provided.
- a gas discharge port communicating with the functional part exposure space is provided between the package constituent member and the protective covering member, it expands in the functional part exposure space during reflow. Reflow resistance can be improved by letting the tensioned gas (air) escape through the gas outlet. Also, by providing this gas discharge port, it is possible to prevent condensation in the functional part exposure space.
- a protective film capable of peeling the package component is used as the protective covering member, the optical film is attenuated when an optical functional element is used, for example, by peeling the protective film during use. It is possible to input and output without any.
- the functional element mounting module described above can be manufactured in a very simple process.
- the liquid sealing resin is surely dammed around the functional element.
- the portions other than the functional portion of the functional element can be reliably sealed.
- the sealing resin can be reliably dammed in the vicinity of the functional portion. As a result, product quality and yield can be improved.
- the damming portion is provided in the region around the functional portion of the functional element or the jetty portion is formed in a substantially ring shape, the liquid sealing resin can be surely provided around the functional portion.
- the part other than the functional part can be reliably sealed by blocking.
- damming portion is a jetty formed so as to protrude on the functional element
- the damming portion is a groove portion formed by a protective film provided on the functional element
- the functional portion can be protected by the protective film and foreign matter can be prevented from being attached.
- FIG. 1 (a) to (d) are cross-sectional views showing an embodiment of a method for producing an optical functional element mounting module according to the present invention.
- FIG. 2 is a cross-sectional configuration diagram showing an embodiment of an optical functional element mounting module according to the present invention.
- FIG. 3 (a) to (d): Cross-sectional configuration views showing the main part of another embodiment of the present invention.
- FIG. 4 (a) to (d): Cross-sectional configuration views showing a main part of still another embodiment of the present invention.
- FIG. 5 (a) to (d) are cross-sectional configuration diagrams showing a manufacturing method of still another embodiment of the functional element module according to the present invention.
- FIG. 6 (a) is a cross-sectional configuration diagram of the functional element module.
- (b) is a plan view showing an external configuration of the same functional element module before sealing.
- FIG. 7 (a) is a cross-sectional configuration diagram showing still another embodiment of the functional element module according to the present invention. (b) is a plan view showing an external configuration of the functional element module before sealing.
- FIG. 8 (a) and (b) are cross-sectional configuration diagrams showing still another embodiment of the functional element module according to the present invention.
- FIG. 9 is a cross-sectional configuration diagram showing still another embodiment of a functional element module according to the present invention.
- FIG. 10 is a cross-sectional configuration diagram of a conventional optical functional element mounting module.
- FIG. 1 (a) to 1 (d) are cross-sectional configuration diagrams showing an embodiment of a method of manufacturing an optical functional element mounting module as an example of a functional element mounting module according to the present invention, and FIG. It is a section lineblock diagram showing an embodiment of a module.
- an optical functional unit such as a light receiving element or a light emitting element is formed on a substrate 2 on which a predetermined wiring pattern 4 is formed.
- the connection portion of the wiring pattern 4 on the substrate 2 and the connection portion of the optical functional element 3 are electrically connected using the gold wire 5, and the external connection terminal 6 on the back side of the substrate 2. It comes to be pulled out from.
- a jetty portion 7 for damming the liquid sealing resin 8 is provided in a region around the optical functional element on the substrate 2 (for example, an edge portion of the substrate 2).
- the shape of the jetty portion 7 is not particularly limited, but it is preferable that the viewpoint power for reliably damming the sealing resin 8 is also formed in a ring shape (for example, a rectangular shape). .
- the height of the jetty portion 7 is preferably set so that the upper end portion is higher than the position of the upper end portion of the gold wire 5 when the package constituent member 9 described later is pressed.
- the sealing resin 8 does not reach the optical function part 30 of the optical functional element 3, and the sealing resin
- the type of the sealing resin 8 is not particularly limited, but from the viewpoint of ensuring the sealing quality, it is preferable to use an epoxy-based resin.
- the package constituent member 9 is disposed in contact with the jetty portion 7 and is generally pressed toward the substrate 2 with a predetermined pressure.
- the knock component 9 is a plate-like member having a force such as a printed wiring board, a plastic plate, and the like. (Hole part) 9a is provided, and this light transmitting hole part 9a is disposed immediately above the optical function part 30 and pressed.
- the sealing resin 8 filled between the optical functional element 3 and the jetty portion 7 spreads toward the light transmitting hole portion 9a along the lower surface of the package component 9 due to a capillary phenomenon.
- the minute gap (clearance) between the lower surface of the package component 9 and the optical functional element 3 the surface of the sealing resin 8 is blocked by the edge of the light transmitting hole 9a, and the optical function It stays without entering part 30.
- the size of the light transmitting hole 9a of the package component 9 is not particularly limited, but considering the flow of the sealing resin 8 into the light transmitting space 10,
- the size of the light transmitting hole 9a is set so that the distance from the optical functional unit 30 to the optical functional unit 30 of the optical functional element 3 is 100 to 800 111, preferably 500 to 700 m. It is preferable to set it.
- the clearance between the upper surface of the optical functional element 3 and the lower surface of the package component 9 is preferably set to 100 to 600 ⁇ m.
- the sealing resin 8 when a thermosetting resin is used as the sealing resin 8, the sealing resin 8 is cured by heating at a predetermined temperature in this state, and the knocking component 9 The substrate
- the optical functional element mounting module 1 has a special coating because the optical functional part 30 of the optical functional element 3 is exposed! Providing an optical functional element mounting module 1 that can reliably input / output short-wavelength light 11 such as blue-violet laser light without attenuating it without using expensive glass with an excellent heat dissipation property be able to.
- the above-described optical functional element mounting module 1 can be manufactured in a very simple process.
- the liquid sealing resin 8 is surely provided around the optical functional element 3.
- the part other than the optical function part 30 of the optical function element 3 can be surely sealed.
- FIGs. 3 (a) to (d) are cross-sectional configuration diagrams showing the main part of another embodiment of the present invention.
- the same reference numerals are given to portions corresponding to the above embodiment. The detailed explanation is omitted.
- the functional element 3A having the predetermined functional portion 30A is mounted on the substrate 2 on which the predetermined wiring pattern 4 is formed, and the functional element is mounted.
- a liquid sealing resin 8 is dropped between 3 A and the jetty portion 7, and the sealing resin 8 is filled between the functional element 3 A and the jetty portion 7.
- the knocking component 9 is placed in contact with the jetty portion 7 and is generally pressed toward the substrate 2 with a predetermined pressure.
- a plate-shaped protective covering member 13 is used on the package constituent member 9, and an adhesive is used so as to cover the functional part exposing hole 9A. And paste them together. Thereby, the functional part exposure space 10A is formed above the functional part 30A of the functional element 3A.
- the protective covering member 13 for example, a glass substrate or a resin substrate can be used.
- the functional element 3A is an optical functional element such as a light emitting element or a light receiving element, for example, a light transmissive glass substrate is used.
- a groove is formed in a portion of the protective covering member 13 that faces the package constituent member 9, so that the gap is formed between the package constituent member 9 and the protective covering member 13.
- a gas discharge port 14 communicating with the functional part exposure space 10A is provided.
- the protective covering member 13 that covers the functional portion exposing hole 9A is provided on the package constituent member 9. Therefore, it is possible to prevent foreign matter from adhering to the functional part 30A of the functional element 3A.
- the gas discharge port 14 communicating with the functional part exposure space 10A is provided between the package component 9 and the protective covering member 13, Reflow In this case, the reflow resistance can be improved by allowing the gas (air) expanded in the functional part exposure space 10A to escape through the gas discharge port. Further, by providing the gas discharge port 14, it becomes possible to prevent condensation in the functional part exposure space 10A.
- FIGs. 4 (a) to (d) are cross-sectional configuration diagrams showing the main part of still another embodiment of the present invention.
- the same reference numerals are given to portions corresponding to the above embodiment. The detailed explanation is omitted.
- the functional element 3A having the predetermined functional portion 30A is mounted on the substrate 2 on which the predetermined wiring pattern 4 is formed.
- a liquid sealing resin 8 is dropped between 3A and the jetty 7 so that the sealing resin 8 is filled between the functional element 3A and the jetty 7.
- the knocking component 9 is placed in contact with the jetty portion 7 and is generally pressed toward the substrate 2 with a predetermined pressure.
- the adhesive used for bonding the protective film 15 is an adhesive having a weak adhesive force and capable of peeling the protective film 15 from the package component 9.
- the target functional element mounting module is obtained. Get 1B.
- the protective film 15 that covers the functional part exposing hole 9A is provided on the package component 9. Therefore, it is possible to prevent foreign matter from adhering to the functional part 30A of the functional element 3A.
- the protective film 15 since the protective film 15 that can be peeled off from the knocking component 9 is used in the present embodiment, the protective film 15 is peeled off during use (see FIG. 4 (d)). For example, when an optical functional element is used, it is possible to input / output an optical signal without attenuation.
- 5 (a) to 5 (d) are cross-sectional configuration diagrams showing a manufacturing method of still another embodiment of the functional element module according to the present invention.
- FIG. 6 (a) is a cross-sectional configuration diagram of the functional element module
- FIG. 6 (b) is a plan view showing an external configuration before sealing the functional element module.
- a sealing resin 8 is provided in the vicinity of the functional unit 30A.
- a pier portion (damming portion) 31 for damming is used.
- the method for creating the jetty portion 31 is not particularly limited, but from the viewpoint of diverting existing semiconductor general-purpose processes, a material for forming a protective film (passivation) (for example, , Polyimide), and it is preferable to prepare it by a known photolithography method.
- a material for forming a protective film for example, , Polyimide
- the size and shape of the jetty portion 31 are not particularly limited.
- the package component member For example, it is preferable to form a rectangular ring shape having substantially the same size as the functional part exposing hole 9A so as to correspond to the shape of the functional part exposing hole 9A.
- the distance between the functional part 30A and the functional part 30A is 100 to 800 / ⁇ ⁇ , preferably 500 to 700 / ⁇ ⁇ . It is preferable to set the size.
- the width of the jetty 31 is 50 to 300 ⁇ m
- the height is 1 to 50 m
- the clearance between the upper part of the jetty 31 and the lower surface of the package component 9 is 100 to 500. It is preferable to set to ⁇ m.
- the knocking component member 9 is disposed in contact with the jetty portion 7 and is generally pressed toward the substrate 2 with a predetermined pressure.
- the sealing resin 8 expands toward the functional part exposing hole 9A along the lower surface of the package component 9 by capillary action, and the edge of the functional part exposing hole 9A and the functional element At the level difference part of the jetty 31 above 3A, it is dammed up by surface tension and stays without entering the functional part 30A.
- the sealing resin 8 when a thermosetting resin is used as the sealing resin 8, the sealing resin 8 is cured by heating at a predetermined temperature in this state, and the knocking component 9 The substrate
- the jetty portion 31 is provided in the vicinity of the functional portion 30A of the functional element 3A, The fat 8 can be reliably dammed in the vicinity of the functional unit 30A, thereby improving product quality and yield.
- FIG. 7 (a) is a cross-sectional configuration diagram showing still another embodiment of the functional element module according to the present invention
- FIG. 7 (b) is an external configuration before sealing the functional element module.
- the same reference numerals are given to portions corresponding to the above-described embodiment, and detailed description thereof will be omitted.
- the sealing resin 8 is dammed in the vicinity of the functional part 30A as the predetermined functional element 3A.
- a groove portion (damming portion) 32 is provided and used.
- the method of forming the groove 32 is not particularly limited, but from the viewpoint of diverting existing semiconductor general-purpose processes, the functional part 3A on and around the functional part 30A. It is preferable that the protective films (passivation) 33 and 34 are formed in the region by a known photolithography method, respectively.
- the size and shape of the groove 32 are not particularly limited.
- the function of the package component 9 In order to correspond to the shape of the part exposing hole 9A, for example, it is preferably formed in a rectangular ring shape having substantially the same size as the function part exposing hole 9A.
- the size of the groove 32 is set so that the distance from the functional unit 30A is 100 to 800 ⁇ m, preferably 500 to 700 ⁇ m, around the functional unit 30A of the functional element 3A. Is preferably set.
- the width of the groove 32 is 50 to 300 ⁇ m
- the depth is 1 to 50 ⁇ m
- the clearance between the upper part of the protective film and the lower surface of the package component 9 is 100 to 500 m. It is preferable to set.
- the functional element module 1D of the present embodiment can be produced by, for example, the same method as that of the embodiment shown in FIG.
- the sealing resin 8 can be reliably dammed in the vicinity of the functional part 30A, thereby improving product quality and yield. Can be planned.
- FIGS. 8 (a), 8 (b), and 9 are cross-sectional configuration diagrams showing still another embodiment of the functional element mounting module according to the present invention.
- portions corresponding to the above embodiment will be described. Are given the same reference numerals and their detailed description is omitted.
- the functional element mounting module IE shown in FIG. 8 (a) is the functional element mounting module described above.
- the protective covering member 13 described above is provided on the package component 9 of 1C.
- the functional element mounting module 1F shown in FIG. 8 (b) is a protective covering member 1 that does not have the gas discharge port 14 on the above-described knocking component 9 of the functional element mounting module 1C.
- the protective covering member 13 can be provided by the same method as in the above embodiment. [0081] According to the present embodiment having such a configuration, the protective covering member 13 that covers the functional part exposing hole 9A is provided on the package constituent member 9, so that the function of the functional element 3A is provided. It is possible to prevent foreign matter from adhering to the part 30A. Since other configurations, functions, and effects are the same as those of the above-described embodiment, detailed description thereof is omitted.
- a functional element mounting module 1G shown in FIG. 9 is obtained by providing the above-described peelable protective film 15 on the above-described knocking component 9 of the functional element mounting module 1D.
- the protective film 15 can be provided by the same method as in the above embodiment.
- the functional part 3A is covered with the protective film 33. Therefore, even when the protective film 15 is peeled off during use, the functional element 3 It becomes possible to prevent foreign matter from adhering to the functional part 30A of A. Since other configurations and operational effects are the same as those of the above-described embodiment, detailed description thereof is omitted.
- the jetty portion is formed in a ring shape, but may be formed in other shapes as long as liquid sealing resin can be reliably dammed.
- the sealing resin it is also possible to use an electron beam (for example, ultraviolet ray) curable resin as the sealing resin and harden it with an electron beam.
- the package constituent member 9 is made of a light-transmitting material, and an electron beam is irradiated onto the sealing resin through this knock constituent member 9.
- the present invention can be applied not only to an optical functional element mounting module but also to various MEMS (Micro Electro Mechanical System) parts.
- MEMS Micro Electro Mechanical System
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Light Receiving Elements (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
- Semiconductor Lasers (AREA)
- Led Device Packages (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05780930A EP1801888A1 (en) | 2004-09-14 | 2005-08-25 | Function element mounting module and manufacturing method thereof |
US11/717,066 US7855440B2 (en) | 2004-09-14 | 2007-03-13 | Functional device-mounted module and a process for producing the same |
US12/222,437 US7727819B2 (en) | 2004-09-14 | 2008-08-08 | Process for producing a functional device-mounted module |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-267191 | 2004-09-14 | ||
JP2004267191 | 2004-09-14 | ||
JP2004-351371 | 2004-12-03 | ||
JP2004351371 | 2004-12-03 | ||
JP2005019116A JP3936365B2 (ja) | 2004-09-14 | 2005-01-27 | 機能素子実装モジュール及びその製造方法 |
JP2005-019116 | 2005-01-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/717,066 Continuation US7855440B2 (en) | 2004-09-14 | 2007-03-13 | Functional device-mounted module and a process for producing the same |
US11/717,066 Continuation-In-Part US7855440B2 (en) | 2004-09-14 | 2007-03-13 | Functional device-mounted module and a process for producing the same |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030611A1 true WO2006030611A1 (ja) | 2006-03-23 |
Family
ID=36059867
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/015406 WO2006030611A1 (ja) | 2004-09-14 | 2005-08-25 | 機能素子実装モジュール及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7855440B2 (ja) |
EP (1) | EP1801888A1 (ja) |
JP (1) | JP3936365B2 (ja) |
KR (1) | KR20070064322A (ja) |
TW (1) | TW200620266A (ja) |
WO (1) | WO2006030611A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
US20070176274A1 (en) | 2007-08-02 |
US20080311707A1 (en) | 2008-12-18 |
TW200620266A (en) | 2006-06-16 |
US7855440B2 (en) | 2010-12-21 |
US7727819B2 (en) | 2010-06-01 |
EP1801888A1 (en) | 2007-06-27 |
KR20070064322A (ko) | 2007-06-20 |
JP3936365B2 (ja) | 2007-06-27 |
JP2006186288A (ja) | 2006-07-13 |
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