JP4137112B2 - 電子部品の製造方法 - Google Patents
電子部品の製造方法 Download PDFInfo
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- JP4137112B2 JP4137112B2 JP2005305131A JP2005305131A JP4137112B2 JP 4137112 B2 JP4137112 B2 JP 4137112B2 JP 2005305131 A JP2005305131 A JP 2005305131A JP 2005305131 A JP2005305131 A JP 2005305131A JP 4137112 B2 JP4137112 B2 JP 4137112B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 229910000679 solder Inorganic materials 0.000 claims description 123
- 239000011247 coating layer Substances 0.000 claims description 68
- 239000010410 layer Substances 0.000 claims description 51
- 230000004907 flux Effects 0.000 claims description 26
- 239000004020 conductor Substances 0.000 claims description 23
- 238000002844 melting Methods 0.000 claims description 13
- 230000008018 melting Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 10
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000011805 ball Substances 0.000 description 75
- 238000000034 method Methods 0.000 description 48
- 239000011806 microball Substances 0.000 description 47
- 230000008569 process Effects 0.000 description 17
- 239000000314 lubricant Substances 0.000 description 8
- 239000003960 organic solvent Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- -1 fatty acid ester Chemical class 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
- H05K3/3478—Applying solder preforms; Transferring prefabricated solder patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
- B23K35/0244—Powders, particles or spheres; Preforms made therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/3612—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with organic compounds as principal constituents
- B23K35/3613—Polymers, e.g. resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
- B23K35/365—Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4846—Leads on or in insulating or insulated substrates, e.g. metallisation
- H01L21/4853—Connection or disconnection of other leads to or from a metallisation, e.g. pins, wires, bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0556—Disposition
- H01L2224/05567—Disposition the external layer being at least partially embedded in the surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/05573—Single external layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/11—Manufacturing methods
- H01L2224/113—Manufacturing methods by local deposition of the material of the bump connector
- H01L2224/1133—Manufacturing methods by local deposition of the material of the bump connector in solid form
- H01L2224/11334—Manufacturing methods by local deposition of the material of the bump connector in solid form using preformed bumps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/02—Fillers; Particles; Fibers; Reinforcement materials
- H05K2201/0203—Fillers and particles
- H05K2201/0206—Materials
- H05K2201/0224—Conductive particles having an insulating coating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10954—Other details of electrical connections
- H05K2201/10977—Encapsulated connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0195—Tool for a process not provided for in H05K3/00, e.g. tool for handling objects using suction, for deforming objects, for applying local pressure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/041—Solder preforms in the shape of solder balls
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
- H05K2203/082—Suction, e.g. for holding solder balls or components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3489—Composition of fluxes; Methods of application thereof; Other methods of activating the contact surfaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Description
Claims (11)
- 半田よりなる球状のコアと、コアを被覆する被覆層とを備えた半田ボールであって、前記被覆層がコアの溶融温度より低い溶融温度の樹脂を含む、前記半田ボールを複数用意する工程と、
基板部上のソルダレジスト層に形成された開口部によって露出された複数の導体層に対して半田ボールをそれぞれ配置する工程と、
前記複数の半田ボールを加熱し、前記被覆層を0.01〜50Pa・sの粘度で溶融させ、前記コアの導体層と対向する側が、溶融された被覆層によって露出され、前記被覆層は、前記コアと導電性部材との接合部の周辺の前記ソルダレジスト層上に広がり、前記コアを導体層にリフロー接続する工程と、
前記リフロー工程後に、前記接合部の周辺の前記ソルダレジスト層上に広がった被覆層がコアの接合部の補強層を形成する工程と、
を含む電子部品の製造方法。 - 半田ボールは、150〜300度の範囲で加熱され、被覆層の溶融温度は、150〜300度の範囲中の少なくとも20度の幅の温度範囲にある、請求項1に記載の製造方法。
- 半田ボールは、導体層に配置される前に予備加熱される、請求項1に記載の製造方法。
- 前記コアの直径は、30〜500μmであり、前記被覆層の厚さは、5〜100μmである、請求項1ないし3いずれか1つに記載の製造方法。
- 前記被覆層は、フラックス作用を有する成分を含む請求項1ないし4いずれか1つ記載の製造方法。
- 前記被覆層は、エポキシ樹脂と、フラックス作用を有する成分としてのイミダゾール系硬化剤とを含む、請求項1ないし5いずれか1つに記載の製造方法。
- 半田ボールがリフロー接続されるとき、被覆層の溶融によりコアが導体層に接触し、次いで、コアが導体層と半田接合される、請求項1ないし6いずれか1つに記載の製造方法。
- 前記半田ボールを導体層に配置する工程は、吸着装置に形成された複数の吸着穴で半田ボールを吸着し、吸着された半田ボールを各導体層に配置する、請求項1ないし7のいずれか1つに記載の電子部品の製造方法。
- 半田ボールは、半導体チップの主面に形成された電極に接続される、請求項1ないし8いずれか1つに記載の製造方法。
- 半田ボールは、半導体パッケージの主面に形成された導体層に接続される、請求項1ないし8いずれか1つに記載の製造方法。
- 半田ボールは、配線基板に形成された導体層に接続される、請求項1ないし8いずれか1つに記載の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005305131A JP4137112B2 (ja) | 2005-10-20 | 2005-10-20 | 電子部品の製造方法 |
US11/551,476 US20070090160A1 (en) | 2005-10-20 | 2006-10-20 | Electronic Part Manufacturing Method |
US12/637,420 US20100090334A1 (en) | 2005-10-20 | 2009-12-14 | Electronic Part Manufacturing Method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005305131A JP4137112B2 (ja) | 2005-10-20 | 2005-10-20 | 電子部品の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007115858A JP2007115858A (ja) | 2007-05-10 |
JP4137112B2 true JP4137112B2 (ja) | 2008-08-20 |
Family
ID=37984409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005305131A Active JP4137112B2 (ja) | 2005-10-20 | 2005-10-20 | 電子部品の製造方法 |
Country Status (2)
Country | Link |
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US (2) | US20070090160A1 (ja) |
JP (1) | JP4137112B2 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4576270B2 (ja) * | 2005-03-29 | 2010-11-04 | 昭和電工株式会社 | ハンダ回路基板の製造方法 |
US20090041990A1 (en) * | 2005-09-09 | 2009-02-12 | Showa Denko K.K. | Method for attachment of solder powder to electronic circuit board and soldered electronic circuit board |
JP4920401B2 (ja) * | 2006-12-27 | 2012-04-18 | 昭和電工株式会社 | 導電性回路基板の製造方法 |
US20080308932A1 (en) * | 2007-06-12 | 2008-12-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor package structures |
US7952207B2 (en) * | 2007-12-05 | 2011-05-31 | International Business Machines Corporation | Flip-chip assembly with organic chip carrier having mushroom-plated solder resist opening |
JP5176893B2 (ja) * | 2008-11-18 | 2013-04-03 | 日立金属株式会社 | はんだボール |
JP5350099B2 (ja) * | 2009-06-30 | 2013-11-27 | 住友ベークライト株式会社 | 回路基板の製造方法 |
JP2011014572A (ja) * | 2009-06-30 | 2011-01-20 | Sumitomo Bakelite Co Ltd | 回路基板の製造方法及び半田塊 |
US9627254B2 (en) * | 2009-07-02 | 2017-04-18 | Flipchip International, Llc | Method for building vertical pillar interconnect |
KR101101550B1 (ko) * | 2009-09-14 | 2012-01-02 | 삼성전기주식회사 | 솔더 볼 및 반도체 패키지 |
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JP2011165996A (ja) * | 2010-02-12 | 2011-08-25 | Sumitomo Bakelite Co Ltd | 半導体装置の製造方法 |
JP5303489B2 (ja) * | 2010-02-16 | 2013-10-02 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP2011192815A (ja) * | 2010-03-15 | 2011-09-29 | Sanken Electric Co Ltd | 半導体素子及びその製造方法 |
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US9613933B2 (en) * | 2014-03-05 | 2017-04-04 | Intel Corporation | Package structure to enhance yield of TMI interconnections |
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JP7296582B2 (ja) * | 2019-09-24 | 2023-06-23 | パナソニックIpマネジメント株式会社 | 電子部品、電子部品の製造方法、実装構造体及び実装構造体の製造方法 |
US11247285B1 (en) * | 2020-04-03 | 2022-02-15 | Seagate Technology Llc | Fluidization of agglomerated solder microspheres |
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JP2002210586A (ja) * | 2001-01-15 | 2002-07-30 | Sumitomo Bakelite Co Ltd | 硬化性フラックス、並びにこれを用いた半田接合部、半導体パッケージ、及び半導体装置 |
JP3803556B2 (ja) * | 2001-03-26 | 2006-08-02 | 日本電気株式会社 | ボール転写装置およびボール整列装置 |
JP4977937B2 (ja) * | 2001-09-25 | 2012-07-18 | 日本テキサス・インスツルメンツ株式会社 | 半導体装置及びその製造方法 |
TWI229931B (en) * | 2002-05-15 | 2005-03-21 | Amkor Technology Inc | Solder ball and conductive wire for a semiconductor package, and its manufacturing method, and its evaporation method |
US7182241B2 (en) * | 2002-08-09 | 2007-02-27 | Micron Technology, Inc. | Multi-functional solder and articles made therewith, such as microelectronic components |
KR100589799B1 (ko) * | 2003-05-06 | 2006-06-14 | 한화석유화학 주식회사 | 이방성 도전접속용 절연 도전성 입자, 이의 제조방법 및이를 이용한 제품 |
JP4020006B2 (ja) * | 2003-05-09 | 2007-12-12 | Jsr株式会社 | 絶縁性樹脂組成物およびその硬化物、ならびにはんだ接合方法 |
US7166491B2 (en) * | 2003-06-11 | 2007-01-23 | Fry's Metals, Inc. | Thermoplastic fluxing underfill composition and method |
-
2005
- 2005-10-20 JP JP2005305131A patent/JP4137112B2/ja active Active
-
2006
- 2006-10-20 US US11/551,476 patent/US20070090160A1/en not_active Abandoned
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2009
- 2009-12-14 US US12/637,420 patent/US20100090334A1/en not_active Abandoned
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US20070090160A1 (en) | 2007-04-26 |
US20100090334A1 (en) | 2010-04-15 |
JP2007115858A (ja) | 2007-05-10 |
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