WO2009027888A3 - Structure apte au brasage - Google Patents
Structure apte au brasage Download PDFInfo
- Publication number
- WO2009027888A3 WO2009027888A3 PCT/IB2008/053189 IB2008053189W WO2009027888A3 WO 2009027888 A3 WO2009027888 A3 WO 2009027888A3 IB 2008053189 W IB2008053189 W IB 2008053189W WO 2009027888 A3 WO2009027888 A3 WO 2009027888A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrically conductive
- solder ball
- conductive layers
- wafer
- solderable
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L24/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
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- 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
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
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- H01L24/02—Bonding areas ; Manufacturing methods related thereto
- H01L24/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L24/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
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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
- H05K3/3463—Solder compositions in relation to features of the printed circuit board or the mounting process
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Wire Bonding (AREA)
Abstract
L'invention concerne une structure apte au brasage, qui comprend au moins une plaquette, un empilement de plusieurs couches électroconductrices dont celle occupant la base de l'empilement est disposée sur la plaquette; et au moins un globule de soudure disposé sur une couche électroconductrice supérieure. Le globule de soudure comprend Sn, Ag et Cu, sa teneur en Cu étant comprise entre 0,5 et 3 % en poids. L'invention concerne également un procédé de production d'une structure apte au brasage, qui consiste à disposer un empilement de plusieurs couches électroconductrices sur une plaquette, et à placer sur une couche électroconductrice supérieure un globule de soudure dont la teneur en Cu est comprise entre 0,5 et 3 % en poids.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07114902.5 | 2007-08-24 | ||
EP07114902 | 2007-08-24 |
Publications (2)
Publication Number | Publication Date |
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WO2009027888A2 WO2009027888A2 (fr) | 2009-03-05 |
WO2009027888A3 true WO2009027888A3 (fr) | 2009-04-30 |
Family
ID=40070941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2008/053189 WO2009027888A2 (fr) | 2007-08-24 | 2008-08-08 | Structure apte au brasage |
Country Status (1)
Country | Link |
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WO (1) | WO2009027888A2 (fr) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663184A (en) * | 1970-01-23 | 1972-05-16 | Fairchild Camera Instr Co | Solder bump metallization system using a titanium-nickel barrier layer |
JPH10294318A (ja) * | 1997-04-18 | 1998-11-04 | Toshiba Corp | 電子部品 |
FR2775387A1 (fr) * | 1998-02-26 | 1999-08-27 | Mitsubishi Electric Corp | Dispositif a semiconducteur ayant une structure soi et procede de fabrication |
EP1223613A2 (fr) * | 2001-01-15 | 2002-07-17 | Nec Corporation | Structure d'électrodes d'un dispositif semiconducteur, ainsi que procédé et appareillage de fabrication |
US20030132271A1 (en) * | 2001-12-28 | 2003-07-17 | Cheng-Heng Kao | Method for controlling the formation of intermetallic compounds in solder joints |
EP1760783A2 (fr) * | 2005-08-31 | 2007-03-07 | Hitachi, Ltd. | Dispositif semiconducteur et générateur AC pour véhicules automobiles |
US20070075430A1 (en) * | 2005-09-30 | 2007-04-05 | Daewoong Suh | Solder joint intermetallic compounds with improved ductility and toughness |
US20070158391A1 (en) * | 2006-01-12 | 2007-07-12 | Yoon-Chul Son | Method for joining electronic parts finished with nickel and electronic parts finished with electroless nickel |
-
2008
- 2008-08-08 WO PCT/IB2008/053189 patent/WO2009027888A2/fr active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663184A (en) * | 1970-01-23 | 1972-05-16 | Fairchild Camera Instr Co | Solder bump metallization system using a titanium-nickel barrier layer |
JPH10294318A (ja) * | 1997-04-18 | 1998-11-04 | Toshiba Corp | 電子部品 |
FR2775387A1 (fr) * | 1998-02-26 | 1999-08-27 | Mitsubishi Electric Corp | Dispositif a semiconducteur ayant une structure soi et procede de fabrication |
EP1223613A2 (fr) * | 2001-01-15 | 2002-07-17 | Nec Corporation | Structure d'électrodes d'un dispositif semiconducteur, ainsi que procédé et appareillage de fabrication |
US20030132271A1 (en) * | 2001-12-28 | 2003-07-17 | Cheng-Heng Kao | Method for controlling the formation of intermetallic compounds in solder joints |
EP1760783A2 (fr) * | 2005-08-31 | 2007-03-07 | Hitachi, Ltd. | Dispositif semiconducteur et générateur AC pour véhicules automobiles |
US20070075430A1 (en) * | 2005-09-30 | 2007-04-05 | Daewoong Suh | Solder joint intermetallic compounds with improved ductility and toughness |
US20070158391A1 (en) * | 2006-01-12 | 2007-07-12 | Yoon-Chul Son | Method for joining electronic parts finished with nickel and electronic parts finished with electroless nickel |
Also Published As
Publication number | Publication date |
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WO2009027888A2 (fr) | 2009-03-05 |
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