JPS61140157A - 樹脂封止型半導体装置 - Google Patents

樹脂封止型半導体装置

Info

Publication number
JPS61140157A
JPS61140157A JP59262006A JP26200684A JPS61140157A JP S61140157 A JPS61140157 A JP S61140157A JP 59262006 A JP59262006 A JP 59262006A JP 26200684 A JP26200684 A JP 26200684A JP S61140157 A JPS61140157 A JP S61140157A
Authority
JP
Japan
Prior art keywords
resin
semiconductor element
groove
semiconductor device
solder
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.)
Pending
Application number
JP59262006A
Other languages
English (en)
Inventor
Tamotsu Sato
保 佐藤
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Priority to JP59262006A priority Critical patent/JPS61140157A/ja
Publication of JPS61140157A publication Critical patent/JPS61140157A/ja
Pending legal-status Critical Current

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
    • H01L24/01—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
    • H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
    • H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
    • H01L23/3135—Double encapsulation or coating and encapsulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495—Lead-frames or other flat leads
    • H01L23/49503—Lead-frames or other flat leads characterised by the die pad
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/48—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor
    • H01L23/488—Arrangements for conducting electric current to or from the solid state body in operation, e.g. leads, terminal arrangements ; Selection of materials therefor consisting of soldered or bonded constructions
    • H01L23/495—Lead-frames or other flat leads
    • H01L23/49541—Geometry of the lead-frame
    • H01L23/49562—Geometry of the lead-frame for devices being provided for in H01L29/00
    • 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
    • H01L2224/27—Manufacturing methods
    • H01L2224/27011—Involving a permanent auxiliary member, i.e. a member which is left at least partly in the finished device, e.g. coating, dummy feature
    • H01L2224/27013—Involving a permanent auxiliary member, i.e. a member which is left at least partly in the finished device, e.g. coating, dummy feature for holding or confining the layer connector, e.g. solder flow barrier
    • 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
    • H01L2224/31—Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L2224/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • H01L2224/321—Disposition
    • H01L2224/32151—Disposition the layer 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
    • H01L2224/32221—Disposition the layer 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
    • H01L2224/32245—Disposition the layer 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 metallic
    • 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
    • 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
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    • 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
    • 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
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • 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
    • H01L2224/481—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
    • 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
    • H01L2224/73—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
    • 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
    • H01L2224/83009—Pre-treatment of the layer connector or the bonding area
    • H01L2224/83051—Forming additional members, e.g. dam structures
    • 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
    • H01L2224/8338—Bonding interfaces outside the semiconductor or solid-state body
    • H01L2224/83385—Shape, e.g. interlocking features
    • 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
    • H01L24/73—Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
    • 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
    • H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
    • H01L2924/181—Encapsulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、耐湿性の向上されたヒートシンクを有する樹
脂封止型半導体装置特に５ＩＰＷ（シングル・インライ
ン・パッケージ）半導体装置に関する。
〔従来の技術〕
従来の半導体装置においては、たとえばＴ　Ｏ−２２０
パツケージでは、第２図に示す様に、ヒートシンク３に
連続する素子載置部材４の半導体素子６を搭載した部分
の外周に溝５が一重に設けてあり、この＠５に囲まれた
部分に半導体素子６がソルダー８で取り付けられ外部導
出リード１と金線７で接続された後、モールド樹脂２で
封止されていた。
しかし、本来この溝５の役割は、素子６を搭載する時の
ソルダー８の流れ止め及び七−ルド樹脂２とリード１と
の界面からの水分の浸入防止の為であった。
〔発明が解決しようとする問題点〕
しかし、現状では溝５は一重だけ設けら扛ており、半導
体素子６を搭載する時のソルダー８の流れにより、この
溝５が埋ってしまう傾向にあり、ソルダー８の流れ止め
の役割は果たすがモールド樹脂２とリード１との界面か
らの水分の浸入に対してはほとんど効果が無く、半導体
素子６に水分が浸入してしまうことがあった。
その結果半導体素子６の表面配線を形成するアルミニウ
ムの腐食の原因となり、アルミニウム配線が断線したり
する問題が発生し、初期不良及び市場での不良発生の原
因になる恐れがあった。
本発明の目的は、水分侵入による不良発生のない樹脂封
止型半導体装置を提供することにある。
〔問題点を解決するだめの手段〕
本発明によｎば、半導体素子を金属の載置部材に取り付
は樹脂で封止してなる樹脂封止半導体装置において、載
置部材の素子搭載部の外周にすくなくとも二本以上の自
行する溝を設けたことを特徴とする樹脂封止型半導体装
置を得る。
〔実施例〕
次に、本発明を図面を参照して説明する。
第１図は本発明の一実施例の投影図である。金属でなり
、ヒートシンク３に連続する素子載置部材４に搭載しで
ある半導体素子６の外周に溝５及び５′　が並行に、す
なわち、２重に設けである。
半導体素子６がこの溝５，５′で囲まれた部分にソルダ
ー８で取り付けらｎ、外部導出リード１と半導体素子６
の電極とを金線７で接続した後、モールド樹脂２で封止
している。
この溝５は半導体素子６を搭載する時のソルダー８の流
ｎ防止の役割を果し、外側に設けら几た溝５′　は外部
からの水分の浸入を極力防止する役割を果す。
〔発明の効果〕
以上説明したように、本発明は半導体素子６を搭載する
部分の外周にすくなくとも二本以上の溝５．５′を設け
ることにより、内側の溝５においてソルダー８の流れ止
めの役割を果し、外側の溝５′においてモールド樹脂２
と外部導出リード１との界面からの水分の浸入を極力防
止することが出来る効果がある。
その結果、耐湿性の優れた、信頼性の高い半導体装置を
提供できるものである。
【図面の簡単な説明】
第１図は本発明の一実施例による投影図であり、第２図
は従来のヒート７ンクを有するＳＩＰ型樹脂半導体装置
の投影図である。 １・・・・・・外部導出ソード、２・・・・・・モール
ド樹脂、３・・・・・・ヒートシンク、４・・・・・・
素子搭載部、５・・・・・・素子搭載部外周に設けであ
る溝、６・・・・・・半導体素子、７・・・・・・金線
、８・・・・・・ソルダー。 第　１１！ｌＩ 実力に枦Ｊ 革　２　図 Ｘ求刻

Claims (1)

    【特許請求の範囲】
  1. 金属の素子載置部機上に半導体素子を搭載し、樹脂で封
    止してなる樹脂封止型半導体装置において、前記素子載
    置部材の前記半導体素子搭載部の外周にすくなくとも二
    本以上の並行する溝を設けたことを特徴とする樹脂封止
    型半導体装置。
JP59262006A 1984-12-12 1984-12-12 樹脂封止型半導体装置 Pending JPS61140157A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59262006A JPS61140157A (ja) 1984-12-12 1984-12-12 樹脂封止型半導体装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59262006A JPS61140157A (ja) 1984-12-12 1984-12-12 樹脂封止型半導体装置

Publications (1)

Publication Number Publication Date
JPS61140157A true JPS61140157A (ja) 1986-06-27

Family

ID=17369699

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59262006A Pending JPS61140157A (ja) 1984-12-12 1984-12-12 樹脂封止型半導体装置

Country Status (1)

Country Link
JP (1) JPS61140157A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1408548A3 (de) * 2002-10-11 2004-09-29 Micronas GmbH Elektronisches Bauelement mit einem Systemträger
EP2605278A1 (en) * 2011-12-15 2013-06-19 Nxp B.V. Lead Frame with Die Attach Bleeding Control Features
US9620391B2 (en) 2002-10-11 2017-04-11 Micronas Gmbh Electronic component with a leadframe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1408548A3 (de) * 2002-10-11 2004-09-29 Micronas GmbH Elektronisches Bauelement mit einem Systemträger
US9620391B2 (en) 2002-10-11 2017-04-11 Micronas Gmbh Electronic component with a leadframe
EP2605278A1 (en) * 2011-12-15 2013-06-19 Nxp B.V. Lead Frame with Die Attach Bleeding Control Features

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