JP5930843B2 - リードフレーム及びその製造方法 - Google Patents
リードフレーム及びその製造方法 Download PDFInfo
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- JP5930843B2 JP5930843B2 JP2012118941A JP2012118941A JP5930843B2 JP 5930843 B2 JP5930843 B2 JP 5930843B2 JP 2012118941 A JP2012118941 A JP 2012118941A JP 2012118941 A JP2012118941 A JP 2012118941A JP 5930843 B2 JP5930843 B2 JP 5930843B2
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L2224/4501—Shape
- H01L2224/45012—Cross-sectional shape
- H01L2224/45015—Cross-sectional shape being circular
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- 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
- H01L2224/45139—Silver (Ag) as principal constituent
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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
- H01L2224/42—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
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- 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
- H01L2224/45147—Copper (Cu) as principal constituent
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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
- H01L2224/42—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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- 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
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48245—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 metallic
- H01L2224/48247—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 metallic connecting the wire to a bond pad of the item
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- H—ELECTRICITY
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- 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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- 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
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
12、13、13’ 導体端子
12a、13a、13a’ ボンディング部
12b、13b、13b’ 外部接続部
13c、13c’ ボンディング部側端子
13d、13d’ 外部接続部側端子
13e、13e’ 配線部
13f、13f’ 貫通孔
21 半導体素子
31 ボンディングワイヤ
41 封止樹脂
51、51’ ドライフィルムレジスト
52 めっき用レジストマスク
53 エッチング用レジストマスク
61 めっき層
Claims (7)
- 金属板の上面側から施されたハーフエッチング加工によって端子部と半導体素子搭載部が形成されていて、前記半導体素子搭載部に半導体素子が載置された状態で樹脂封止されているとともに、下面側は前記端子部が導体端子となるように形成された状態であるリードフレームにおいて、
前記端子部は、上面側に前記導体端子のボンディング部となる第1のめっき層、下面側に前記導体端子の外部接続部となる第2のめっき層、該端子部の垂直方向に略中央の位置に該端子部を略水平方向に貫く貫通孔を有し、
前記貫通孔は、前記樹脂封止を行う際に、樹脂が充填されるように形成されていて、前記半導体素子搭載部に半導体素子を載置して上面側から前記樹脂封止を行うと前記貫通孔に樹脂が充填され、下面側から施されるハーフエッチング加工の際には前記貫通孔に樹脂が充填されていることを特徴とするリードフレーム。 - 前記端子部が、ボンディング部を有する略柱状のボンディング部側端子となる第1の突出部と、前記外部接続部を有する略柱状の外部接続部側端子となる第2の突出部と、前記ボンディング部側端子と前記外部接続部側端子とを接続し該端子部の垂直方向に略中央の位置に該端子部を略水平方向に貫く貫通孔を有する前記導体端子の配線部となる第3の突出部と、を有することを特徴とする請求項1に記載のリードフレーム。
- 前記第1の突出部が、前記第2の突出部よりも前記半導体素子搭載部側に形成されていることを特徴とする請求項2に記載のリードフレーム。
- 前記第3の突出部の水平方向の幅が、前記第1の突出部及び前記第2の突出部の幅よりも狭いことを特徴とする請求項2又は3に記載のリードフレーム。
- 前記第3の突出部の前記貫通孔の下面側の部分が、前記下面側から溶解され除去された状態であることを特徴とする請求項2〜4のいずれか1項に記載のリードフレーム。
- 初めに金属板の上面側から施すハーフエッチング加工によって端子部と半導体素子搭載部を形成し、次に前記半導体素子搭載部に半導体素子を載置して上面側から樹脂封止を行った後に、下面側から施すハーフエッチング加工によって前記端子部が導体端子となるリードフレームの製造方法において、
前記上面側から施すハーフエッチング加工によって前記端子部を略水平方向に貫く貫通孔も形成することを特徴とするリードフレームの製造方法。 - 前記金属板として銅を使用し、前記上面側からのハーフエッチング加工は、エッチング抑制剤として銅と親和性のある窒素や硫黄を含有する有機化合物を含有するエッチング液、またはアゾール系のエッチング抑制剤を含んだエッチング液を用いることを特徴とする請求項6に記載のリードフレームの製造方法。
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JP6326647B2 (ja) * | 2015-02-20 | 2018-05-23 | 大口マテリアル株式会社 | 半導体素子搭載用リードフレーム及びその製造方法 |
JP6455931B2 (ja) * | 2015-06-11 | 2019-01-23 | 大口マテリアル株式会社 | Ledパッケージ及び多列型led用リードフレーム、並びにそれらの製造方法 |
JP6537136B2 (ja) * | 2015-06-16 | 2019-07-03 | 大口マテリアル株式会社 | Ledパッケージ及び多列型led用リードフレーム、並びにそれらの製造方法 |
JP6455932B2 (ja) * | 2015-06-16 | 2019-01-23 | 大口マテリアル株式会社 | Ledパッケージ及び多列型led用リードフレーム、並びにそれらの製造方法 |
JP6481895B2 (ja) * | 2015-12-16 | 2019-03-13 | 大口マテリアル株式会社 | 半導体装置用リードフレーム及びその製造方法 |
JP6593841B2 (ja) * | 2016-03-16 | 2019-10-23 | 大口マテリアル株式会社 | Ledパッケージ並びに多列型led用リードフレーム及びその製造方法 |
JP6593842B2 (ja) * | 2016-03-16 | 2019-10-23 | 大口マテリアル株式会社 | Ledパッケージ並びに多列型led用リードフレーム及びその製造方法 |
JP6870249B2 (ja) * | 2016-09-14 | 2021-05-12 | 富士電機株式会社 | 半導体装置および半導体装置の製造方法 |
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JP5092424B2 (ja) * | 2007-01-26 | 2012-12-05 | 凸版印刷株式会社 | リードフレーム、およびその製造方法 |
JP5178541B2 (ja) * | 2009-01-09 | 2013-04-10 | 株式会社三井ハイテック | 半導体装置 |
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