WO2009027888A3 - Structure apte au brasage - Google Patents

Structure apte au brasage Download PDF

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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
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WO
WIPO (PCT)
Prior art keywords
electrically conductive
solder ball
conductive layers
wafer
solderable
Prior art date
Application number
PCT/IB2008/053189
Other languages
English (en)
Other versions
WO2009027888A2 (fr
Inventor
Michael Rother
Thomas Popp
Original Assignee
Nxp Bv
Michael Rother
Thomas Popp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nxp Bv, Michael Rother, Thomas Popp filed Critical Nxp Bv
Publication of WO2009027888A2 publication Critical patent/WO2009027888A2/fr
Publication of WO2009027888A3 publication Critical patent/WO2009027888A3/fr

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means 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
    • H01L24/10Bump connectors ; Manufacturing methods related thereto
    • H01L24/12Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L24/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/26Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
    • B23K35/262Sn as the principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
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    • H01L24/01Means 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
    • H01L24/02Bonding areas ; Manufacturing methods related thereto
    • H01L24/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L24/05Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • HELECTRICITY
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    • H01L24/10Bump connectors ; Manufacturing methods related thereto
    • H01L24/11Manufacturing methods
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    • H01ELECTRIC ELEMENTS
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    • H01L2224/01Means 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
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/05Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • H01L2224/05001Internal layers
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    • H01L2224/01Means 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
    • H01L2224/02Bonding areas; Manufacturing methods related thereto
    • H01L2224/04Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/05Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • H01L2224/05001Internal layers
    • H01L2224/0502Disposition
    • H01L2224/05026Disposition the internal layer being disposed in a recess of the surface
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    • H01L2224/05027Disposition the internal layer being disposed in a recess of the surface the internal layer extending out of an opening
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    • H01L2224/0556Disposition
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    • H01L2224/05572Disposition the external layer being disposed in a recess of the surface the external layer extending out of an opening
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    • H01L2224/113Manufacturing methods by local deposition of the material of the bump connector
    • H01L2224/1133Manufacturing methods by local deposition of the material of the bump connector in solid form
    • H01L2224/11334Manufacturing methods by local deposition of the material of the bump connector in solid form using preformed bumps
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    • H01L2224/10Bump connectors; Manufacturing methods related thereto
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    • H01L2224/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • H01L2224/13001Core members of the bump connector
    • H01L2224/13099Material
    • H01L2224/131Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
    • H01L2224/13101Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of less than 400°C
    • H01L2224/13111Tin [Sn] as principal constituent
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    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/12Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L2224/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • H01L2224/13001Core members of the bump connector
    • H01L2224/13099Material
    • H01L2224/131Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
    • H01L2224/13138Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
    • H01L2224/13139Silver [Ag] as principal constituent
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    • H01L2224/10Bump connectors; Manufacturing methods related thereto
    • H01L2224/12Structure, shape, material or disposition of the bump connectors prior to the connecting process
    • H01L2224/13Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
    • H01L2224/13001Core members of the bump connector
    • H01L2224/13099Material
    • H01L2224/131Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
    • H01L2224/13138Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
    • H01L2224/13147Copper [Cu] as principal constituent
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    • H01L24/01Means 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
    • H01L24/02Bonding areas ; Manufacturing methods related thereto
    • H01L24/03Manufacturing methods
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    • H01L2924/01013Aluminum [Al]
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    • H01L2924/01022Titanium [Ti]
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    • H01L2924/01029Copper [Cu]
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • H05K3/34Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
    • H05K3/3457Solder materials or compositions; Methods of application thereof
    • H05K3/3463Solder 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.
PCT/IB2008/053189 2007-08-24 2008-08-08 Structure apte au brasage WO2009027888A2 (fr)

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
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

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WO (1) WO2009027888A2 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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

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