JP4887854B2 - バンプの形成方法およびバンプ - Google Patents
バンプの形成方法およびバンプ Download PDFInfo
- Publication number
- JP4887854B2 JP4887854B2 JP2006078453A JP2006078453A JP4887854B2 JP 4887854 B2 JP4887854 B2 JP 4887854B2 JP 2006078453 A JP2006078453 A JP 2006078453A JP 2006078453 A JP2006078453 A JP 2006078453A JP 4887854 B2 JP4887854 B2 JP 4887854B2
- Authority
- JP
- Japan
- Prior art keywords
- wire
- bump
- capillary
- inclined surface
- bonding
- 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.)
- Expired - Fee Related
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Classifications
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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
- H01L2224/47—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
-
- 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
-
- 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
- H01L2224/80—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
-
- 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
- H01L2224/852—Applying energy for connecting
- H01L2224/85201—Compression bonding
- H01L2224/85205—Ultrasonic bonding
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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
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/00014—Technical content checked by a classifier the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01005—Boron [B]
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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
- H01L2924/01—Chemical elements
- H01L2924/01006—Carbon [C]
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01033—Arsenic [As]
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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
- H01L2924/01—Chemical elements
- H01L2924/01082—Lead [Pb]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Wire Bonding (AREA)
- Led Device Packages (AREA)
Description
本発明の実施の形態に係るバンプの形成方法を図面に基づいて説明する。まずは、このバンプが形成される発光素子を図10に基づいて説明する。図10は、発光素子を示す図である。
1a 底面
2 ワイヤ
3 ボール
4 クランパ
5 押圧ボール
5a 接続面
10 溝
10a 傾斜面
11 バンプ
12 ワイヤ
20 従来のバンプ
20a 傾斜面
100 発光素子
101 導電性基板
102 化合物半導体層
103 n層
104 発光層
105 p層
106 n電極
107 p電極
Claims (6)
- 発光素子のボンディング電極に設けられ、ワイヤボンディングする際のセカンドボンド用のバンプの形成方法において、
前記ボンディング電極に、ワイヤ先端にボールが形成されたキャピラリを降下させて前記ボールを押圧してボンディングし、
前記キャピラリを、前記ワイヤを引きつつ垂直に上昇させ、
前記キャピラリを、前記ワイヤボンディングする際のワイヤの配線方向とは異なる方向に横シフトさせ、
前記キャピラリを下降させてキャピラリ底面をバンプ面に押し付けて前記バンプ面に傾斜面を形成することを特徴とするバンプの形成方法。 - 前記キャピラリを横シフトするときに、前記ワイヤボンディングする際のワイヤの配線方向と直交する方向に前記キャピラリを移動させることを特徴とする請求項1記載のバンプの形成方法。
- 前記キャピラリ底面をバンプ面に押し付けて前記バンプ面に傾斜面を形成した後、前記キャピラリからワイヤを引き出して切断することで、前記バンプ面を溝形状とすることを特徴とする請求項1または2記載のバンプの形成方法。
- 発光素子のボンディング電極に設けられ、ワイヤボンディングする際のセカンドボンド用のバンプにおいて、
ワイヤとの接続面となる傾斜面の傾斜方向が、ワイヤの配線方向とは異なる方向に形成されていることを特徴とするバンプ。 - 前記傾斜面は、その傾斜方向が前記ワイヤの配線方向に対して直交するように形成されていることを特徴とする請求項4記載のバンプ。
- 前記傾斜面と対向する傾斜面が設けられていることで、前記接続面が溝形状に形成されていることを特徴とする請求項4または5記載のバンプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006078453A JP4887854B2 (ja) | 2006-03-22 | 2006-03-22 | バンプの形成方法およびバンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006078453A JP4887854B2 (ja) | 2006-03-22 | 2006-03-22 | バンプの形成方法およびバンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007258325A JP2007258325A (ja) | 2007-10-04 |
JP4887854B2 true JP4887854B2 (ja) | 2012-02-29 |
Family
ID=38632274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006078453A Expired - Fee Related JP4887854B2 (ja) | 2006-03-22 | 2006-03-22 | バンプの形成方法およびバンプ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4887854B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4951090B2 (ja) * | 2010-01-29 | 2012-06-13 | 株式会社東芝 | Ledパッケージ |
-
2006
- 2006-03-22 JP JP2006078453A patent/JP4887854B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2007258325A (ja) | 2007-10-04 |
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