JPH10107074A - バンプボンダー - Google Patents
バンプボンダーInfo
- Publication number
- JPH10107074A JPH10107074A JP8255220A JP25522096A JPH10107074A JP H10107074 A JPH10107074 A JP H10107074A JP 8255220 A JP8255220 A JP 8255220A JP 25522096 A JP25522096 A JP 25522096A JP H10107074 A JPH10107074 A JP H10107074A
- Authority
- JP
- Japan
- Prior art keywords
- bonding
- chip
- bump
- capillary
- discard
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/002—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating specially adapted for particular articles or work
- B23K20/004—Wire welding
- B23K20/005—Capillary welding
- B23K20/007—Ball bonding
-
- 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 at least one potential-jump barrier or surface barrier, e.g. 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 subgroups H01L21/06 - H01L21/326, 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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/11—Manufacturing methods
-
- 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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
-
- 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
- H01L24/10—Bump connectors ; Manufacturing methods related thereto
- H01L24/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L24/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
-
- 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
- H01L24/28—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
-
- 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
-
- 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
- H01L2224/11—Manufacturing methods
- H01L2224/113—Manufacturing methods by local deposition of the material of the bump connector
- H01L2224/1133—Manufacturing methods by local deposition of the material of the bump connector in solid form
- H01L2224/1134—Stud bumping, i.e. using a wire-bonding apparatus
-
- 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
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
- H01L2224/13001—Core members of the bump connector
- H01L2224/13099—Material
-
- 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
- H01L2224/12—Structure, shape, material or disposition of the bump connectors prior to the connecting process
- H01L2224/13—Structure, shape, material or disposition of the bump connectors prior to the connecting process of an individual bump connector
- H01L2224/13001—Core members of the bump connector
- H01L2224/13099—Material
- H01L2224/131—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
- H01L2224/13138—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
- H01L2224/13144—Gold [Au] as principal constituent
-
- 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
-
- 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
- H01L2224/28—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
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/2919—Material with a principal constituent of the material being a polymer, e.g. polyester, phenolic based polymer, epoxy
-
- 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
-
- 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
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/4912—Layout
- H01L2224/49171—Fan-out arrangements
-
- 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
-
- 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
- H01L2224/789—Means for monitoring the connection process
- H01L2224/78901—Means for monitoring the connection process using a computer, e.g. fully- or semi-automatic bonding
-
- 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
- H01L2224/81—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
- H01L2224/818—Bonding techniques
- H01L2224/81801—Soldering or alloying
-
- 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
- H01L2224/83—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
- H01L2224/8319—Arrangement of the layer connectors prior to mounting
-
- 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
- H01L2224/83—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
- H01L2224/838—Bonding techniques
-
- 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]
-
- 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
- H01L2224/8512—Aligning
- H01L2224/85148—Aligning involving movement of a part of the bonding apparatus
-
- 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
- H01L2924/01004—Beryllium [Be]
-
- 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]
-
- 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
- H01L2924/01013—Aluminum [Al]
-
- 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]
-
- 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
- H01L2924/01079—Gold [Au]
-
- 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]
-
- 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
- H01L2924/06—Polymers
- H01L2924/0665—Epoxy resin
-
- 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
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
- H01L2924/0781—Adhesive characteristics other than chemical being an ohmic electrical conductor
Abstract
えて不良なボール3を捨てボンドして、良好なバンプを
形成できるバンプボンダーを提供することを目的とす
る。 【解決手段】 バンプの形成を受ける半導体チップ13
a,13bを規定位置に保持するボンディングステージ
17に、前記の規定位置に近接した位置に捨てボンド用
チップ19を配置し、捨てボンド用チップ19に捨てボ
ンドを実行することを特徴とする。この構成によると、
キャピラリを作業位置であるボンディングステージ17
から大きく移動させなくても捨てボンドすることができ
る。
Description
線基板に実装するに際して、半導体チップの電極上にバ
ンプを形成するバンプボンダーに関するものである。
としては、図3に示すように半導体チップ13の電極1
4と配線基板のリードフレーム15とをAuワイヤ16
で電気接続する方法と、図8に示すように半導体チップ
4の電極5に予めAuバンプ7を形成し、このAuバン
プ7が形成された半導体チップ4を導電性接着剤10で
配線基板11の電極12に電気接続する方法がある。
ヤーボンダーと呼ばれている。Auバンプ7で電気接続
する装置はバンプボンダーと呼ばれている。図4と図5
はバンプボンダーによるボンディング状況を示す。
じて繰り出されたAuワイヤ2の先端部をスパーク電流
で溶かしてボール3を形成する。このボール3を半導体
チップ4の電極5に、熱と圧力と同時に超音波をかける
ことにより接合してボンディングした後にキャピラリ1
を移動させて、図5に示すようにボール3の直上にAu
ワイヤ2の逆U字状部6を形成する。そして、この逆U
字状部6を残留させAuワイヤ2を切断する。
導体チップ4のすべての電極5の上に、ボール3と逆U
字状部6からなるバンプ7を形成した半導体チップ4
は、図6に示すように表面の平坦度が確立された整形台
8に、すべてのバンプ7を押し付けてバンプ高さを一様
に揃え、同時に各バンプ7の突端面を平坦化する。
4のバンプ7の周辺に導電性接着剤10のペースト状塗
膜を転写する。ここで、平坦度が確保された整形台9の
表面上には、エポキシ系樹脂をバインダーとする導電性
接着剤10が一様の厚さに付設されている。高さを整え
られた逆U字部6を一括して圧接させた後に引き上げる
と、すべてのバンプ7の表面上に導電接着剤10のペー
スト状の塗膜が付着される。
パターン形成されている複数の導電膜12に、半導体チ
ップ4のバンプ7を位置合わせした状態で導電性接着剤
10を介して接合し、加熱して導電性接着剤10を熱硬
化させて実装が完了する。
には、Auワイヤ2の先端部にボール3を予め形成する
必要があるため、良好なバンプ7を得るためには適切な
ボール3ができるまではその不良なボール3を除去する
ことが必要となる。
で示すリードフレーム15の空きエリア15aに捨てボ
ンドして半導体チップ13の電極14と配線基板のリー
ドフレーム15とをAuワイヤ16で電気接続する作業
を継続することができるが、バンプボンダーの場合には
表面積の小さな半導体チップ4には、不良なボール3を
除去する捨てボンドのエリアを確保することができない
のが現状である。
低下を僅かに抑えて不良なボール3を捨てボンドして、
良好なバンプ7を形成できるバンプボンダーを提供する
ことを目的とする。
は、バンプの形成を受ける半導体チップを規定位置に保
持するボンディングステージに、前記の規定位置に近接
した位置に捨てボンド用チップを配置し、捨てボンド用
チップに捨てボンドを実行することを特徴とする。
置であるボンディングステージから大きく移動させなく
ても捨てボンドすることができるバンプボンダーが得ら
れる。
は、半導体チップをボンディングステージ上面の規定位
置に保持し、先端部を溶かしてボールを形成した金属ワ
イヤをキャピラリによって前記半導体チップの電極の上
に移動させ金属ワイヤの先端に形成されたボールを半導
体チップの電極に接合してバンプを形成するバンプボン
ダーであって、ボンディングステージの上面でかつ前記
の規定位置に近接した位置に捨てボンド用チップを配置
し、キャピラリの移動を制御する駆動制御手段を、バン
ピングに際してボンディングステージ上に設置された前
記捨てボンド用チップの位置に前記キャピラリを移動さ
せて捨てボンドを実行するように構成したことを特徴と
する。
1において、キャピラリの移動を制御する駆動制御手段
を、捨てボンドの必要性を判定して、捨てボンドが必要
な場合にはバンピングに際してボンディングステージ上
に設置された捨てボンド用チップの位置でバンピングを
実施して捨てボンドを実行し、その後に半導体チップの
作業位置にキャピラリを移動させてバンピングするよう
に構成したことを特徴とする。
2に基づいて説明する。なお、従来例を示す図4と図5
と同様の作用をなすものには同一の符号を付けて説明す
る。
の(a)に示すように、ボンディングステージ17に
は、バンプの形成を受ける半導体チップ13a,13b
を保持する位置に第1,第2の吸着孔18a,18bが
穿設されている。さらに、ボンディングステージ17に
は第1,第2の吸着孔18a,18bに近接して第3の
吸着孔18cが穿設されている。第1〜第3の吸着孔1
8a〜18cは真空源に接続されている。
(b)に示すようにボンディングステージ17の第3の
吸着孔18cの位置に、捨てボンド用チップとしてのA
lチップ19が載置されて吸着保持されている。
1,第2の吸着孔18a,18bの手前位置に半導体チ
ップ13a,13bを載置し、載置された半導体チップ
13a,13bを図2の(c)に示すように板状の規制
板20をボンディングステージ17の上面に沿ってスラ
イドさせて、半導体チップ13a,13bを第1,第2
の吸着孔18a,18bの位置の作業位置に押し出して
正確に作業位置にセットする。
の作業位置に半導体チップ13a,13bのセットが完
了すると規制板20は図2の(d)に示すように初期位
置に復帰する。この状態でキャピラリ1を移動させて半
導体チップ13a,13bの電極の上にバンプ7を形成
するが、キャピラリ1の移動を制御する駆動制御手段
は、次のように構成されている。
定して、捨てボンドが必要な場合にはバンピングに際し
て捨てボンド用のAlチップ19位置でバンピングを実
施して捨てボンドを実行し、その後に半導体チップ13
a,13bの作業位置にキャピラリ1を移動させてバン
ピングするように構成されている。
2の先端部をスパーク電流で溶かしてボール3を形成す
る際に、スパーク電流を測定し、測定によって得られた
電流値が規定範囲外の場合には、良好なボール3を形成
できなかったと判断して、上記のようにAlチップ19
の位置でバンピングを実施して捨てボンドを実行する。
捨てボンドは、1回または複数回を繰り返し実行する。
より具体的には、Alチップ19の位置で5回のバンピ
ングを実施してボール3の温度が安定した状態で半導体
チップ13a,13bへのバンピングを実施する。
ンピングの実施中に良好なボール3を形成できなかった
と判断した場合にも、Alチップ19の位置でバンピン
グを実施して捨てボンドを2,3回実行してから半導体
チップ13a,13bへのバンピングの実施に復帰す
る。
ンピュータによって実現できる。このように、半導体チ
ップ13a,13bの作業位置に近接してAlチップ1
9を配設し、捨てボンドをAlチップ19に実施するよ
うに構成したため、連続自動運転させることができ、し
かもボンディングステージ17とは別の場所に捨てボン
ドする場合に比べてキャピラリ1の移動量が少なくて済
み、タクトアップを図ることができる。
と、半導体チップをボンディングステージ上面の規定位
置に保持し、先端部を溶かしてボールを形成した金属ワ
イヤをキャピラリによって前記半導体チップの電極の上
に移動させ金属ワイヤの先端に形成されたボールを半導
体チップの電極に接合してバンプを形成するバンプボン
ダーであって、ボンディングステージの上面でかつ前記
の規定位置に近接した位置に捨てボンド用チップを配置
し、キャピラリの移動を制御する駆動制御手段を、バン
ピングに際してボンディングステージ上に設置された前
記捨てボンド用チップの位置に前記キャピラリを移動さ
せて捨てボンドを実行するように構成したため、キャピ
ラリを作業位置であるボンディングステージから大きく
移動させなくても捨てボンドすることができ、タクト効
率の低下を僅かにして良好なバンプを半導体チップに形
成することができる。
請求項1において、キャピラリの移動を制御する駆動制
御手段を、捨てボンドの必要性を判定して、捨てボンド
が必要な場合にはバンピングに際してボンディングステ
ージ上に設置された捨てボンド用チップの位置でバンピ
ングを実施して捨てボンドを実行し、その後に半導体チ
ップの作業位置にキャピラリを移動させてバンピングす
るように構成することによって、連続運転時の無人化運
転を図ることができる。
リの先端部にボールを形成する工程の説明図
の電極パッドに接合しボールの真上に金属ワイヤの逆U
字状部を形成する工程の説明図
説明図
を半導体チップに転写する工程の説明図
程の説明図
Claims (2)
- 【請求項1】半導体チップをボンディングステージ上面
の規定位置に保持し、先端部を溶かしてボールを形成し
た金属ワイヤをキャピラリによって前記半導体チップの
電極の上に移動させ金属ワイヤの先端に形成されたボー
ルを半導体チップの電極に接合してバンプを形成するバ
ンプボンダーであって、ボンディングステージの上面で
かつ前記の規定位置に近接した位置に捨てボンド用チッ
プを配置し、キャピラリの移動を制御する駆動制御手段
を、バンピングに際してボンディングステージ上に設置
された前記捨てボンド用チップの位置に前記キャピラリ
を移動させて捨てボンドを実行するように構成したバン
プボンダー。 - 【請求項2】キャピラリの移動を制御する駆動制御手段
を、捨てボンドの必要性を判定して、捨てボンドが必要
な場合にはバンピングに際してボンディングステージ上
に設置された捨てボンド用チップの位置でバンピングを
実施して捨てボンドを実行し、その後に半導体チップの
作業位置にキャピラリを移動させてバンピングするよう
に構成した請求項1記載のバンプボンダー。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25522096A JP3425510B2 (ja) | 1996-09-27 | 1996-09-27 | バンプボンダー形成方法 |
TW086113882A TW392259B (en) | 1996-09-27 | 1997-09-24 | Bump bonder |
US08/936,616 US5899375A (en) | 1996-09-27 | 1997-09-24 | Bump bonder with a discard bonding area |
SG1997003555A SG71724A1 (en) | 1996-09-27 | 1997-09-25 | Bump bonder |
KR1019970049225A KR100459602B1 (ko) | 1996-09-27 | 1997-09-26 | 범프본더 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25522096A JP3425510B2 (ja) | 1996-09-27 | 1996-09-27 | バンプボンダー形成方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10107074A true JPH10107074A (ja) | 1998-04-24 |
JP3425510B2 JP3425510B2 (ja) | 2003-07-14 |
Family
ID=17275700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25522096A Expired - Fee Related JP3425510B2 (ja) | 1996-09-27 | 1996-09-27 | バンプボンダー形成方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5899375A (ja) |
JP (1) | JP3425510B2 (ja) |
KR (1) | KR100459602B1 (ja) |
SG (1) | SG71724A1 (ja) |
TW (1) | TW392259B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008306158A (ja) * | 2007-06-08 | 2008-12-18 | Orient Semiconductor Electronics Ltd | 半導体パッケージ及び基板上の電子素子を放電する方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6815836B2 (en) * | 2003-03-24 | 2004-11-09 | Texas Instruments Incorporated | Wire bonding for thin semiconductor package |
US7918378B1 (en) * | 2010-08-06 | 2011-04-05 | National Semiconductor Corporation | Wire bonding deflector for a wire bonder |
JP5734236B2 (ja) * | 2011-05-17 | 2015-06-17 | 株式会社新川 | ワイヤボンディング装置及びボンディング方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4705204A (en) * | 1985-03-01 | 1987-11-10 | Mitsubishi Denki Kabushiki Kaisha | Method of ball forming for wire bonding |
US5037023A (en) * | 1988-11-28 | 1991-08-06 | Hitachi, Ltd. | Method and apparatus for wire bonding |
US5172851A (en) * | 1990-09-20 | 1992-12-22 | Matsushita Electronics Corporation | Method of forming a bump electrode and manufacturing a resin-encapsulated semiconductor device |
JP2852134B2 (ja) * | 1991-02-20 | 1999-01-27 | 日本電気株式会社 | バンプ形成方法 |
FR2696279B1 (fr) * | 1992-09-25 | 1994-11-18 | Thomson Csf | Procédé pour permettre le montage d'une puce sur un substrat et puce préparée selon le procédé. |
US5601740A (en) * | 1993-11-16 | 1997-02-11 | Formfactor, Inc. | Method and apparatus for wirebonding, for severing bond wires, and for forming balls on the ends of bond wires |
US5813115A (en) * | 1994-08-03 | 1998-09-29 | Matsushita Electric Industrial Co., Ltd. | Method of mounting a semiconductor chip on a wiring substrate |
-
1996
- 1996-09-27 JP JP25522096A patent/JP3425510B2/ja not_active Expired - Fee Related
-
1997
- 1997-09-24 US US08/936,616 patent/US5899375A/en not_active Expired - Lifetime
- 1997-09-24 TW TW086113882A patent/TW392259B/zh not_active IP Right Cessation
- 1997-09-25 SG SG1997003555A patent/SG71724A1/en unknown
- 1997-09-26 KR KR1019970049225A patent/KR100459602B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008306158A (ja) * | 2007-06-08 | 2008-12-18 | Orient Semiconductor Electronics Ltd | 半導体パッケージ及び基板上の電子素子を放電する方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100459602B1 (ko) | 2005-02-05 |
SG71724A1 (en) | 2000-04-18 |
JP3425510B2 (ja) | 2003-07-14 |
US5899375A (en) | 1999-05-04 |
KR19980025053A (ko) | 1998-07-06 |
TW392259B (en) | 2000-06-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3880775B2 (ja) | 回路基板への電子部品の実装方法 | |
JP4338834B2 (ja) | 超音波振動を用いた半導体チップの実装方法 | |
JPH0974098A (ja) | 半導体チップのボンディング方法 | |
JP2002158257A (ja) | フリップチップボンディング方法 | |
JP2000174059A (ja) | 電子部品の実装方法 | |
JP3425510B2 (ja) | バンプボンダー形成方法 | |
JPH11135714A (ja) | 半導体装置 | |
JP2000286302A (ja) | 半導体チップ組立方法及び組立装置 | |
JPH08236578A (ja) | 半導体素子のフリップチップ実装方法およびこの実装方 法に用いられる接着剤 | |
JPH0312942A (ja) | 半導体装置の封止方法および半導体チップ | |
JP2000349099A (ja) | はんだ接合方法および、半導体装置の製造方法 | |
JPS5940537A (ja) | 半導体装置の製造方法 | |
JP3498285B2 (ja) | 半導体チップの接合方法及び接合装置 | |
JP2006114649A (ja) | 半導体装置の製造方法およびその製造装置 | |
JPH06151437A (ja) | 半導体装置の電極構造とその形成方法ならびに実装体 | |
JPH08203904A (ja) | はんだバンプ形成方法 | |
JP3445687B2 (ja) | 半導体チップの実装方法 | |
JPH09153524A (ja) | 電子回路装置の製造方法 | |
JP2000286301A (ja) | 半導体チップ組立方法及び組立装置 | |
JPS61203645A (ja) | リ−ドフレ−ムの酸化被膜除去方法及び装置 | |
JPH09326420A (ja) | 半導体チップの実装方法 | |
JP2001230272A (ja) | 鉛フリーはんだ多層バンプを有するフリップチップ及び鉛フリー・フリップチップアセンブリ | |
JP2003060339A (ja) | 電子部品の実装方法 | |
JPH0878417A (ja) | バンプ形成装置 | |
JPH09214128A (ja) | ボンディングツール |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090502 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100502 Year of fee payment: 7 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110502 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110502 Year of fee payment: 8 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120502 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120502 Year of fee payment: 9 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130502 Year of fee payment: 10 |
|
LAPS | Cancellation because of no payment of annual fees |