KR100771893B1 - 와이어 본딩 방법 - Google Patents
와이어 본딩 방법 Download PDFInfo
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- KR100771893B1 KR100771893B1 KR1020070036182A KR20070036182A KR100771893B1 KR 100771893 B1 KR100771893 B1 KR 100771893B1 KR 1020070036182 A KR1020070036182 A KR 1020070036182A KR 20070036182 A KR20070036182 A KR 20070036182A KR 100771893 B1 KR100771893 B1 KR 100771893B1
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- Prior art keywords
- wire
- capillary
- bonding
- adhesive
- ball
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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
- H01L24/78—Apparatus for connecting with wire connectors
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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
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material 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
- H01L2224/45138—Material 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
- H01L2224/45144—Gold (Au) as principal constituent
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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
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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
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
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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
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
- H01L2224/7825—Means for applying energy, e.g. heating means
- H01L2224/78268—Discharge electrode
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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
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
- H01L2224/7825—Means for applying energy, e.g. heating means
- H01L2224/783—Means for applying energy, e.g. heating means by means of pressure
- H01L2224/78301—Capillary
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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
- H01L2224/74—Apparatus for manufacturing arrangements for connecting or disconnecting semiconductor or solid-state bodies and for methods related thereto
- H01L2224/78—Apparatus for connecting with wire connectors
- H01L2224/786—Means for supplying the connector to be connected in the bonding apparatus
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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
- H01L2224/80—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
- H01L2224/85—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 wire connector
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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
- H01L2224/80—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
- H01L2224/85—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 wire connector
- H01L2224/85009—Pre-treatment of the connector or the bonding area
- H01L2224/8503—Reshaping, e.g. forming the ball or the wedge of the wire connector
- H01L2224/85035—Reshaping, e.g. forming the ball or the wedge of the wire connector by heating means, e.g. "free-air-ball"
- H01L2224/85045—Reshaping, e.g. forming the ball or the wedge of the wire connector by heating means, e.g. "free-air-ball" using a corona discharge, e.g. electronic flame off [EFO]
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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
- H01L2224/80—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
- H01L2224/85—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 wire connector
- H01L2224/851—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 wire connector the connector being supplied to the parts to be connected in the bonding apparatus
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Wire Bonding (AREA)
Abstract
Description
Claims (10)
- 와이어에 의해 반도체 칩의 본딩 패드와 실장 부재간을 연결시키는 와이어 본딩 방법으로서,캐필러리로부터 돌출된 와이어 선단에 접착 볼을 형성하는 단계;플레이트 부재를 이용하여 상기 접착 볼의 접착면을 납작한 디스크 형태로 변형시키는 단계; 및상기 디스크 형태의 접착면을 갖는 접착 볼을 상기 본딩 패드에 본딩시키는 단계를 포함하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 접착 볼을 형성하는 단계는,상기 와이어에 전위를 인가한 상태에서 방전 로드를 콘택시켜 와이어 선단에 스파크 방전을 일으키는 것을 특징으로 하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 접착 볼의 접착면을 변형시키는 단계는,상기 캐필러리를 상기 플레이트 부재 상부로 이동시키는 단계; 및상기 캐필러리를 상기 플레이트 부재 위로 가압하는 단계를 포함하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 접착 볼의 접착면을 변형시키는 단계는,상기 플레이트 부재를 상기 캐필러리 하부로 이동시키는 단계; 및상기 캐필러리를 상기 플레이트 부재위로 가압하는 단계를 포함하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 변형된 접착 볼을 상기 본딩 패드에 본딩시키는 단계는,상기 반도체 칩의 온도를 약 120 내지 250℃ 정도로 유지한 상태에서, 80 내지 150mA의 파워(power)와, 15 내지 30g의 힘(force)을 가하여 수행하는 것을 특징으로 하는 와이어 본딩 방법.
- 제 5 항에 있어서, 상기 접착 볼을 본딩시키는 단계는,60,000Hz 내지 100,000Hz의 초음파 진동을 가하여 수행하는 것을 특징으로 하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 변형된 접착 볼을 상기 본딩 패드 상에 본딩시키는 단계 이후에,상기 캐필러리를 상방으로 들어올려 상기 실장 부재의 전극으로 위치 이동시키는 단계;상기 캐필러리의 와이어를 상기 실장 부재의 전극과 초음파 열 압착시키는 단계; 및상기 캐필러리를 들어올려 상기 와이어를 절단하는 단계를 포함하는 와이어 본딩 방법.
- 제 7 항에 있어서, 상기 와이어를 절단하는 단계 이후에, 상기 와이어 선단에 접착 볼을 형성하는 단계 내지 상기 실장 부재에 상기 와이어를 초음파 열압착 시키는 단계를 반복 수행하는 것을 특징으로 하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 플레이트 부재는 절연성을 갖는 것을 특징으로 하는 와이어 본딩 방법.
- 제 1 항에 있어서, 상기 플레이트 부재는 상기 캐필러리를 따라 xyz 방향으로 이동이 가능한 것을 특징으로 하는 와이어 본딩 방법.
Priority Applications (1)
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KR1020070036182A KR100771893B1 (ko) | 2007-04-12 | 2007-04-12 | 와이어 본딩 방법 |
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KR1020070036182A KR100771893B1 (ko) | 2007-04-12 | 2007-04-12 | 와이어 본딩 방법 |
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KR1020050069662A Division KR100734269B1 (ko) | 2005-07-29 | 2005-07-29 | 와이어 본딩 장치 |
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KR20070042526A KR20070042526A (ko) | 2007-04-23 |
KR100771893B1 true KR100771893B1 (ko) | 2007-11-01 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05308089A (ja) * | 1992-04-30 | 1993-11-19 | Nippon Steel Corp | 半導体装置のボンディング構造 |
JPH07169797A (ja) * | 1993-12-14 | 1995-07-04 | Hitachi Ltd | ボンディング方法及びボンディング構造 |
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2007
- 2007-04-12 KR KR1020070036182A patent/KR100771893B1/ko active IP Right Grant
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05308089A (ja) * | 1992-04-30 | 1993-11-19 | Nippon Steel Corp | 半導体装置のボンディング構造 |
JPH07169797A (ja) * | 1993-12-14 | 1995-07-04 | Hitachi Ltd | ボンディング方法及びボンディング構造 |
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