JP2010171181A - 半導体装置 - Google Patents

半導体装置 Download PDF

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Publication number
JP2010171181A
JP2010171181A JP2009011938A JP2009011938A JP2010171181A JP 2010171181 A JP2010171181 A JP 2010171181A JP 2009011938 A JP2009011938 A JP 2009011938A JP 2009011938 A JP2009011938 A JP 2009011938A JP 2010171181 A JP2010171181 A JP 2010171181A
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JP
Japan
Prior art keywords
semiconductor device
lead
bonding wire
protrusion
die pad
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.)
Withdrawn
Application number
JP2009011938A
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English (en)
Japanese (ja)
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JP2010171181A5 (https=
Inventor
Kenya Kono
賢哉 河野
Yoshiaki Ashida
喜章 芦田
Kuniharu Muto
邦治 武藤
Kazuo Shimizu
一男 清水
Tomifumi Inoue
富文 井上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Renesas Technology Corp
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Renesas Technology Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Renesas Technology Corp filed Critical Renesas Technology Corp
Priority to JP2009011938A priority Critical patent/JP2010171181A/ja
Priority to CN2010100020878A priority patent/CN101794758B/zh
Priority to US12/691,168 priority patent/US20100181628A1/en
Publication of JP2010171181A publication Critical patent/JP2010171181A/ja
Publication of JP2010171181A5 publication Critical patent/JP2010171181A5/ja
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/464—Additional interconnections in combination with leadframes
    • H10W70/465—Bumps or wires
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/421—Shapes or dispositions
    • H10W70/424—Cross-sectional shapes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W70/00—Package substrates; Interposers; Redistribution layers [RDL]
    • H10W70/40—Leadframes
    • H10W70/481—Leadframes for devices being provided for in groups H10D8/00 - H10D48/00
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/0711—Apparatus therefor
    • H10W72/07141—Means for applying energy, e.g. ovens or lasers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/0711—Apparatus therefor
    • H10W72/07178—Means for aligning
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/073—Connecting or disconnecting of die-attach connectors
    • H10W72/07331—Connecting techniques
    • H10W72/07336—Soldering or alloying
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07521—Aligning
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07531—Techniques
    • H10W72/07532—Compression bonding, e.g. thermocompression bonding
    • H10W72/07533—Ultrasonic bonding, e.g. thermosonic bonding
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07541—Controlling the environment, e.g. atmosphere composition or temperature
    • H10W72/07552—Controlling the environment, e.g. atmosphere composition or temperature changes in structures or sizes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/071—Connecting or disconnecting
    • H10W72/075—Connecting or disconnecting of bond wires
    • H10W72/07541—Controlling the environment, e.g. atmosphere composition or temperature
    • H10W72/07553—Controlling the environment, e.g. atmosphere composition or temperature changes in shapes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/30—Die-attach connectors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/521—Structures or relative sizes of bond wires
    • H10W72/527—Multiple bond wires having different sizes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/531—Shapes of wire connectors
    • H10W72/533—Cross-sectional shape
    • H10W72/534—Cross-sectional shape being rectangular
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/531—Shapes of wire connectors
    • H10W72/5363—Shapes of wire connectors the connected ends being wedge-shaped
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/531—Shapes of wire connectors
    • H10W72/537—Multiple bond wires having different shapes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/551—Materials of bond wires
    • H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
    • H10W72/5522—Materials of bond wires comprising metals or metalloids, e.g. silver comprising gold [Au]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/551—Materials of bond wires
    • H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
    • H10W72/5524—Materials of bond wires comprising metals or metalloids, e.g. silver comprising aluminium [Al]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/551—Materials of bond wires
    • H10W72/552—Materials of bond wires comprising metals or metalloids, e.g. silver
    • H10W72/5525—Materials of bond wires comprising metals or metalloids, e.g. silver comprising copper [Cu]
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/50—Bond wires
    • H10W72/59—Bond pads specially adapted therefor
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/851—Dispositions of multiple connectors or interconnections
    • H10W72/874—On different surfaces
    • H10W72/884—Die-attach connectors and bond wires
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/90—Bond pads, in general
    • H10W72/921—Structures or relative sizes of bond pads
    • H10W72/926—Multiple bond pads having different sizes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/90—Bond pads, in general
    • H10W72/931—Shapes of bond pads
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W72/00—Interconnections or connectors in packages
    • H10W72/90—Bond pads, in general
    • H10W72/941—Dispositions of bond pads
    • H10W72/944—Dispositions of multiple bond pads
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W74/00—Encapsulations, e.g. protective coatings
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/731—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors
    • H10W90/736—Package configurations characterised by the relative positions of pads or connectors relative to package parts of die-attach connectors between a chip and a stacked lead frame, conducting package substrate or heat sink
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/753—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between laterally-adjacent chips
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W90/00—Package configurations
    • H10W90/701—Package configurations characterised by the relative positions of pads or connectors relative to package parts
    • H10W90/751—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires
    • H10W90/756—Package configurations characterised by the relative positions of pads or connectors relative to package parts of bond wires between a chip and a stacked lead frame, conducting package substrate or heat sink

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  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
  • Wire Bonding (AREA)
  • Lead Frames For Integrated Circuits (AREA)
JP2009011938A 2009-01-22 2009-01-22 半導体装置 Withdrawn JP2010171181A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009011938A JP2010171181A (ja) 2009-01-22 2009-01-22 半導体装置
CN2010100020878A CN101794758B (zh) 2009-01-22 2010-01-11 半导体器件
US12/691,168 US20100181628A1 (en) 2009-01-22 2010-01-21 Semiconductor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009011938A JP2010171181A (ja) 2009-01-22 2009-01-22 半導体装置

Publications (2)

Publication Number Publication Date
JP2010171181A true JP2010171181A (ja) 2010-08-05
JP2010171181A5 JP2010171181A5 (https=) 2012-03-08

Family

ID=42336239

Family Applications (1)

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JP2009011938A Withdrawn JP2010171181A (ja) 2009-01-22 2009-01-22 半導体装置

Country Status (3)

Country Link
US (1) US20100181628A1 (https=)
JP (1) JP2010171181A (https=)
CN (1) CN101794758B (https=)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012169044A1 (ja) * 2011-06-09 2012-12-13 三菱電機株式会社 半導体装置
JP5622934B2 (ja) * 2011-06-09 2014-11-12 三菱電機株式会社 半導体装置
WO2019167254A1 (ja) * 2018-03-02 2019-09-06 新電元工業株式会社 半導体装置及び半導体装置の製造方法
JP2019216265A (ja) * 2019-08-27 2019-12-19 日亜化学工業株式会社 発光装置の製造方法
JP2023118480A (ja) * 2022-02-15 2023-08-25 富士電機株式会社 半導体装置及び車両
US12538798B2 (en) 2022-02-15 2026-01-27 Fuji Electric Co., Ltd. Semiconductor apparatus comprising lead frame with recess for wires, and vehicle using the same

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6161251B2 (ja) * 2012-10-17 2017-07-12 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法
CN104103619B (zh) * 2014-06-30 2017-05-24 通富微电子股份有限公司 半导体功率器件的导线强化焊接结构
CN104600042A (zh) * 2014-12-25 2015-05-06 杰群电子科技（东莞）有限公司 一种半导体器件
DE102015104996B4 (de) * 2015-03-31 2020-06-18 Infineon Technologies Austria Ag Halbleitervorrichtungen mit Steuer- und Lastleitungen von entgegengesetzter Richtung
JP6721346B2 (ja) * 2016-01-27 2020-07-15 ローム株式会社 半導体装置
CN109119396A (zh) * 2018-09-14 2019-01-01 上海凯虹科技电子有限公司 引线框架及采用该引线框架的封装体
DE102019120523A1 (de) * 2019-07-30 2021-02-04 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Leiterrahmenverbund, Verfahren zur Herstellung einer Mehrzahl von Bauteilen und Bauteil

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3062192B1 (ja) * 1999-09-01 2000-07-10 松下電子工業株式会社 リ―ドフレ―ムとそれを用いた樹脂封止型半導体装置の製造方法
JP3895570B2 (ja) * 2000-12-28 2007-03-22 株式会社ルネサステクノロジ 半導体装置
JP3436253B2 (ja) * 2001-03-01 2003-08-11 松下電器産業株式会社 樹脂封止型半導体装置およびその製造方法
JP4244318B2 (ja) * 2003-12-03 2009-03-25 株式会社ルネサステクノロジ 半導体装置
WO2008057770A2 (en) * 2006-10-27 2008-05-15 Unisem (Mauritius) Holdings Limited Partially patterned lead frames and methods of making and using the same in semiconductor packaging
TWI337387B (en) * 2007-04-20 2011-02-11 Chipmos Technologies Inc Leadframe for leadless package, package structure and manufacturing method using the same

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012169044A1 (ja) * 2011-06-09 2012-12-13 三菱電機株式会社 半導体装置
JP5622934B2 (ja) * 2011-06-09 2014-11-12 三菱電機株式会社 半導体装置
US9401319B2 (en) 2011-06-09 2016-07-26 Mitsubishi Electric Corporation Semiconductor device
WO2019167254A1 (ja) * 2018-03-02 2019-09-06 新電元工業株式会社 半導体装置及び半導体装置の製造方法
JP6619120B1 (ja) * 2018-03-02 2019-12-11 新電元工業株式会社 半導体装置及び半導体装置の製造方法
JP2019216265A (ja) * 2019-08-27 2019-12-19 日亜化学工業株式会社 発光装置の製造方法
JP7054008B2 (ja) 2019-08-27 2022-04-13 日亜化学工業株式会社 発光装置の製造方法
JP2023118480A (ja) * 2022-02-15 2023-08-25 富士電機株式会社 半導体装置及び車両
US12538798B2 (en) 2022-02-15 2026-01-27 Fuji Electric Co., Ltd. Semiconductor apparatus comprising lead frame with recess for wires, and vehicle using the same

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Publication number Publication date
US20100181628A1 (en) 2010-07-22
CN101794758B (zh) 2012-04-04
CN101794758A (zh) 2010-08-04

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