KR100548114B1 - 땜납 박 및 반도체 장치 및 전자 장치 - Google Patents
땜납 박 및 반도체 장치 및 전자 장치 Download PDFInfo
- Publication number
- KR100548114B1 KR100548114B1 KR1020037008310A KR20037008310A KR100548114B1 KR 100548114 B1 KR100548114 B1 KR 100548114B1 KR 1020037008310 A KR1020037008310 A KR 1020037008310A KR 20037008310 A KR20037008310 A KR 20037008310A KR 100548114 B1 KR100548114 B1 KR 100548114B1
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- Prior art keywords
- solder
- metal particles
- particles
- plastically deformed
- chip
- 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.)
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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
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/063—Solder feeding devices for wire feeding
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/60—Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation
-
- 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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/27—Manufacturing methods
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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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
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/33—Structure, shape, material or disposition of the layer connectors after the connecting process of a plurality of layer connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/75—Apparatus for connecting with bump connectors or layer connectors
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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
- H01L24/80—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
- H01L24/83—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 layer connector
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor devices
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- 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
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- H01—ELECTRIC ELEMENTS
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- 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
- H01L2224/04026—Bonding areas specifically adapted for layer connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- 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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/0425—Solder powder or solder coated metal powder
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12528—Semiconductor component
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12708—Sn-base component
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12903—Cu-base component
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
- Die Bonding (AREA)
- Wire Bonding (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
Claims (85)
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- 압연 박 + 금속 입자와 금속간 화합물로 접속되어 있는 제1 전자 부품과, 제2 전자 부품과, 제3 전자 부품을 갖는 전자 장치이며,상기 제1 전자 부품과 상기 제2 전자 부품은,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되고,상기 제2 전자 부품과 상기 제3 전자 부품은,상기 제1 땜납과 다른 융점을 갖는 제2 땜납을 이용하여 접속되어 있는 것을 특징으로 하는 전자 장치.
- 제30항에 있어서, 상기 제1 땜납에 있어서의 땜납 입자는 Sn계 땜납인 것을 특징으로 하는 전자 장치.
- 제31항에 있어서, 상기 Sn계 땜납은 Sn인 것을 특징으로 하는 전자 장치.
- 압연 박 + 금속 입자와 금속간 화합물로 접속되어 있는 제1 전자 부품과, 제2 전자 부품과, 제3 전자 부품을 갖는 전자 장치이며,상기 제1 전자 부품과 상기 제2 전자 부품은,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되고,상기 제2 전자 부품과 상기 제3 전자 부품은,상기 제1 땜납과 다른 융점을 갖는 제2 땜납을 이용하여 접속되어 있는 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Cu인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Al, Au, Ag, Zn-Al계 땜납, Au-20Sn, Au-(50 내지 55)Sn 중 어느 하나의 입자인 것을 특징으로 하는 전자 장치.
- 제34항에 있어서, 상기 금속간 화합물은 Cu6Sn5를 포함하는 화합물인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 금속 입자의 직경은 10 ㎛ 이상 40 ㎛ 이하인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 금속 입자 직경은 3 ㎛ 이상 10 ㎛ 이하인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 80 ㎛ 이상 150 ㎛ 이하인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 150 ㎛ 이상 250 ㎛ 이하인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 플라스틱 입자를 갖는 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 상기 금속 입자보다 열팽창 계수가 작은 다른 입자를 갖는 것을 특징으로 하는 전자 장치.
- 제42항에 있어서, 상기 다른 입자는 SiO2, AlN, 인바아 중 어느 하나인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 금속 입자는 구형, 막대형, 바늘형, 각형, 나뭇가지형 중 어느 하나, 또는 이들을 조합한 것인 것을 특징으로 하는 전자 장치.
- 제30항 내지 제33항 중 어느 한 항에 있어서, 상기 제2 땜납은 Sn-Ag-Cu계 땜납, Sn-Ag계 땜납, Sn-Cu계 땜납 중 어느 하나인 것을 특징으로 하는 전자 장치.
- 압연 박 + 금속 입자와 금속간 화합물로 접속되어 있는 반도체 칩과, 상기 반도체 칩이 배치된 탭과, 외부와의 접속 단자가 되는 리드와, 상기 반도체 칩의 전극과 상기 리드를 전기적으로 접속하는 와이어를 갖는 반도체 장치이며,상기 반도체 칩과 상기 탭은,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 장치.
- 제46항에 있어서, 상기 제1 땜납에 있어서의 땜납 입자는 Sn계 땜납인 것을 특징으로 하는 반도체 장치.
- 제47항에 있어서, 상기 Sn계 땜납은 Sn인 것을 특징으로 하는 반도체 장치.
- 압연 박 + 금속 입자와 금속간 화합물로 접속되어 있는 반도체 칩과, 상기 반도체 칩이 배치된 탭과, 외부와의 접속 단자가 되는 리드와, 상기 반도체 칩의 전극과 상기 리드를 전기적으로 접속하는 와이어를 갖는 반도체 장치이며,상기 반도체 칩과 상기 탭은,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜남의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Cu인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Al, Au, Ag, Zn-Al계 땜납, Au-20Sn, Au-(50 내지 55)Sn 중 어느 하나의 입자인 것을 특징으로 하는 반도체 장치.
- 제50항에 있어서, 상기 금속간 화합물은 Cu6Sn5를 포함하는 화합물인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 금속 입자의 직경은 10 ㎛ 이상 40 ㎛ 이하인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 금속 입자의 직경은 3 ㎛ 이상 10 ㎛ 이하인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 80 ㎛ 이상 150 ㎛ 이하인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 150 ㎛ 이상 250 ㎛ 이하인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 플라스틱 입자를 갖는 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 상기 금속 입자보다 열팽창 계수가 작은 다른 입자를 갖는 것을 특징으로 하는 반도체 장치.
- 제58항에 있어서, 상기 다른 입자는 SiO2, AlN, 인바아 중 어느 하나인 것을 특징으로 하는 반도체 장치.
- 제46항 내지 제49항 중 어느 한 항에 있어서, 상기 금속 입자는 구형, 막대형, 바늘형, 각형, 나뭇가지형 중 어느 하나, 또는 이들을 조합한 것인 것을 특징으로 하는 반도체 장치.
- 기판과, 상기 기판에 실장된 반도체 칩을 갖는 반도체 모듈이며,상기 기판과 상기 반도체 칩은,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 모듈.
- 기판과, 상기 기판에 실장된 칩 부품을 갖는 반도체 모듈이며,상기 기판과 상기 칩 부품은,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 모듈.
- 제62항에 있어서, 상기 제1 땜납에 있어서의 땜납 입자는 Sn계 땜납인 것을 특징으로 하는 반도체 모듈.
- 제63항에 있어서, 상기 Sn계 땜납은 Sn인 것을 특징으로 하는 반도체 모듈.
- 기판과, 상기 기판에 실장된 반도체 칩을 갖는 반도체 모듈이며,상기 기판과 상기 반도체 칩은,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 모듈.
- 기판과, 상기 기판에 실장된 칩 부품을 갖는 반도체 모듈이며,상기 기판과 상기 칩 부품은,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 반도체 모듈은 RF 모듈인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 반도체 모듈은 SAW 소자, PA 모듈 중 어느 하나인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Cu인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 제1 땜납에 있어서의 금속 입자는 Al, Au, Ag, Zn-Al계 땜납, Au-20Sn, Au-(50 내지 55)Sn 중 어느 하나의 입자인 것을 특징으로 하는 반도체 모듈.
- 제69항에 있어서, 상기 금속간 화합물은 Cu6Sn5를 포함하는 화합물인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 금속 입자의 직경은 10 ㎛ 이상 40 ㎛ 이하인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 금속 입자 직경은 3 ㎛ 이상 10 ㎛ 이하인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 80 ㎛ 이상 150 ㎛ 이하인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 제1 땜납의 두께가 150 ㎛ 이상 250 ㎛ 이하인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 플라스틱 입자를 갖는 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 또한 상기 제1 땜납은 상기 금속 입자보다 열팽창 계수가 작은 다른 입자를 갖는 것을 특징으로 하는 반도체 모듈.
- 제77항에 있어서, 상기 다른 입자는 SiO2, AlN, 인바아 중 어느 하나인 것을 특징으로 하는 반도체 모듈.
- 제61항 내지 제66항 중 어느 한 항에 있어서, 상기 금속 입자는 구형, 막대형, 바늘형, 각형, 나뭇가지형 중 어느 하나, 또는 이들을 조합한 것인 것을 특징으로 하는 반도체 모듈.
- 리드와, 상기 리드와 접속되는 칩과, 상기 칩과 접속되는 베이스를 갖는 파워 모듈이며,상기 리드와 상기 칩, 및 상기 칩과 상기 베이스는,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
- 리드와, 상기 리드와 접속되는 칩과, 상기 칩과 접속되는 베이스를 갖는 파워 모듈이며,상기 리드와 상기 칩, 및 상기 칩과 상기 베이스는,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
- 제80항 또는 제81항에 있어서, 상기 칩과 상기 베이스 사이에는 또한 디스크를 갖고,상기 칩과 상기 디스크, 및 상기 디스크와 상기 베이스는,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않은 상기 금속 입자와,상기 소성 변형된 땜납이 용해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
- 제80항 또는 제81항에 있어서, 상기 칩과 상기 베이스 사이에는 또한 디스크를 갖고,상기 칩과 상기 디스크, 및 상기 디스크와 상기 베이스는,Sn 도금층을 갖는 복수의 금속 입자에 압력을 가함으로써 상기 Sn을 소성 변형시키고, 상기 소성 변형된 Sn으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 Sn이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
- 제82항에 있어서, 상기 디스크와 상기 베이스 사이에는 또한 절연 기판을 갖고,상기 디스크와 상기 절연 기판, 및 상기 절연 기판과 상기 베이스는,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
- 제83항에 있어서, 상기 디스크와 상기 베이스 사이에는 또한 절연 기판을 갖고,상기 디스크와 상기 절연 기판, 및 상기 절연 기판과 상기 베이스는,복수의 금속 입자와 복수의 땜납 입자를 갖는 땜납 재료에 압력을 가함으로써 상기 땜납 입자를 소성 변형시키고, 상기 소성 변형된 땜납으로 상기 금속 입자간의 간극을 메우는 상태로 한 제1 땜납을 이용하여 납땜함으로써,상기 제1 땜납의 납땜 온도에서는 용융되지 않는 상기 금속 입자와,상기 소성 변형된 땜납이 융해하여 상기 금속의 입자와 반응함으로써 형성되며 또한 상기 제1 납땜 온도에서는 용융되지 않는 금속간 화합물에 의해 접속되어 있는 것을 특징으로 하는 파워 모듈.
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KR102061203B1 (ko) * | 2018-11-08 | 2019-12-31 | 덕산하이메탈 주식회사 | 저융점 고 내열성 특성 솔더 페이스트 및 포일 |
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US7722962B2 (en) | 2010-05-25 |
CN1269612C (zh) | 2006-08-16 |
AU2002216373A1 (en) | 2002-07-01 |
CN1873971A (zh) | 2006-12-06 |
JP2009060101A (ja) | 2009-03-19 |
KR20030070075A (ko) | 2003-08-27 |
CN1482956A (zh) | 2004-03-17 |
CN100578778C (zh) | 2010-01-06 |
WO2002049797A1 (en) | 2002-06-27 |
TW592871B (en) | 2004-06-21 |
US20060061974A1 (en) | 2006-03-23 |
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