JP5637249B2 - 超音波接合方法 - Google Patents
超音波接合方法 Download PDFInfo
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- JP5637249B2 JP5637249B2 JP2013090987A JP2013090987A JP5637249B2 JP 5637249 B2 JP5637249 B2 JP 5637249B2 JP 2013090987 A JP2013090987 A JP 2013090987A JP 2013090987 A JP2013090987 A JP 2013090987A JP 5637249 B2 JP5637249 B2 JP 5637249B2
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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
- H01L24/81—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 bump 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
- H01L24/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies
- H01L24/75—Apparatus for connecting with bump connectors or layer connectors
-
- 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
- H01L2224/15—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
- 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
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
- H01L2224/321—Disposition
- H01L2224/32151—Disposition the layer 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
- H01L2224/32221—Disposition the layer 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
- H01L2224/32225—Disposition the layer 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
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/484—Connecting portions
- H01L2224/48463—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond
- H01L2224/48465—Connecting portions the connecting portion on the bonding area of the semiconductor or solid-state body being a ball bond the other connecting portion not on the bonding area being a wedge bond, i.e. ball-to-wedge, regular stitch
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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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
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- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/151—Die mounting substrate
- H01L2924/153—Connection portion
- H01L2924/1531—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface
- H01L2924/15311—Connection portion the connection portion being formed only on the surface of the substrate opposite to the die mounting surface being a ball array, e.g. BGA
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- 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
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Wire Bonding (AREA)
Description
さらに本発明は、半導体チップと基板間の電極の接合状態にバラツキの少ない超音波実装方法および超音波実装装置を提供することを目的とする。
B:基板
14:ステージ
18:接合ツール
20:超音波ホーン
22:超音波振動子
150:一方の主面(回路形成面)
152:他方の主面
154:電極パッド
156、156A、156B:バンプ電極(Auスタッドバンプ)
170:一方の主面
172:他方の主面
174:導体パターン(Cuリード)
176、176A、176B、218、316:電極パターン
178:内部配線
180:外部電極
182:マイクロボール
Claims (10)
- 第1の基体に形成された複数の電極と、第2の基体に形成された複数の突起状電極とを超音波信号により接合する超音波接合方法であって、
上記複数の電極と上記複数の突起状電極とを接触させ、上記第1の基体と上記第2の基体との間に第1の圧力を印加して上記電極と上記突起状電極の何れか一方又は双方を変形させる工程と、
次に、上記第1の基体と上記第2の基体との間に印加される圧力を上記第1の圧力よりも低い第4の圧力とする工程と、
次に、上記第1の基体と上記第2の基体との間に印加される圧力を上記第4の圧力から上記第1の圧力よりも高い第3の圧力に変化させる工程であって、上記第1の基体と上記第2の基体との間に印加される圧力が上記第4の圧力よりも高く上記第1の圧力よりも低い第2の圧力から上記第3の圧力に変化する間に、上記第1の基体に超音波を印加する、上記工程と、
を含み、
前記第4の圧力がゼロまたはサーチ圧力である、超音波接合方法。 - 第1の基体に形成された複数の電極と第2の基体に形成された複数の電極とを超音波振動により接合する超音波接合方法であって、
第1の基体をステージ上に載置し、第2の基体を接合ツールに吸着する工程と、
上記接合ツールを移動させて上記ステージ上方の第1の位置において上記第2の基体を上記第1の基体に対して位置決めする工程と、
上記接合ツールを上記第1の位置から第2の位置まで降下させて上記第1の基体の電極と上記第2の基体の電極とを接触させて上記第1の基体の電極と上記第2の基体の電極の何れか一方又は双方を変形させる工程と、
上記接合ツールを上記第2の位置から上記第1の位置と上記第2の位置との間の第3の位置まで上昇させる工程と、
上記接合ツールを上記第3の位置から上記第2の位置よりも低い第4の位置まで降下させる工程であって、上記第1の基体の電極と上記第2の基体の電極とが接触しているときに上記第2の基体に対して超音波振動を印加する、前記工程と、
上記接合ツールを上記第4の位置から上記第3の位置よりも高い位置に上昇させる工程と、
を含み、
前記接合ツールが前記第3の位置にあるときに前記第1の基体と前記第2の基体との間に印加される圧力がゼロまたはサーチ圧力である、方法。 - 請求項2に記載の超音波接合方法であって、
上記接合ツールを上記第3の位置から上記第2の位置よりも低い第4の位置まで降下させる工程において、上記接合ツールが上記第2の位置から上記第4の位置まで降下するときに上記第2の基体に超音波振動が印加される、方法。 - 請求項2に記載の超音波接合方法であって、
上記接合ツールを上記第4の位置に所定期間維持する工程を更に含む、方法。 - 請求項4に記載の超音波接合方法であって、
上記接合ツールが上記第4の位置に維持されているときに上記第2の基体に対する超音波振動の印加が停止されている、方法。 - 請求項2−5の何れかに記載の超音波接合方法であって、
上記接合ツールが上記第3の位置にあるときに上記第1の基体の電極と上記第2の基体の電極とが接触していない、方法。 - 請求項2−6の何れかに記載の超音波接合方法であって、
上記接合ツールを上記第3の位置から上記第2の位置よりも低い第4の位置まで降下させる工程において、上記接合ツールが上記第3の位置から上記第2の位置まで降下するときの速度が上記第2の位置から上記第4の位置まで降下するときの速度よりも速い、方法。 - 請求項1−7の何れかに記載の超音波接合方法であって、
上記第1の基体が基板であり、上記第2の基体が半導体チップである、方法。 - 請求項2−7の何れかに記載の超音波接合方法であって、
上記第1の基体が基板であり、上記第2の基体が半導体チップであり、上記第2の基体の電極が突起状電極である、方法。 - 請求項1又は9に記載の超音波接合方法であって、
上記突起状電極がAuまたはAu合金を含むバンプ電極である、方法。
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JP6348759B2 (ja) | 2014-04-16 | 2018-06-27 | オリンパス株式会社 | 半導体モジュール、接合用治具、および半導体モジュールの製造方法 |
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JP3833812B2 (ja) * | 1998-03-17 | 2006-10-18 | 松下電器産業株式会社 | バンプ付電子部品のボンディング方法 |
JP3565019B2 (ja) * | 1998-06-03 | 2004-09-15 | 松下電器産業株式会社 | バンプ付き電子部品のボンディング方法 |
JP4636850B2 (ja) * | 2004-10-29 | 2011-02-23 | 富士通株式会社 | 電子部品の実装方法 |
JP2006135207A (ja) * | 2004-11-09 | 2006-05-25 | Fujitsu Ltd | フリップチップ接合方法 |
JP2007201307A (ja) * | 2006-01-30 | 2007-08-09 | Seiko Epson Corp | ボンディング装置および半導体装置の製造方法 |
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