JPH0677265A - Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors - Google Patents

Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors

Info

Publication number
JPH0677265A
JPH0677265A JP4228735A JP22873592A JPH0677265A JP H0677265 A JPH0677265 A JP H0677265A JP 4228735 A JP4228735 A JP 4228735A JP 22873592 A JP22873592 A JP 22873592A JP H0677265 A JPH0677265 A JP H0677265A
Authority
JP
Japan
Prior art keywords
box
molded body
resin molded
shaped resin
hollow
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
JP4228735A
Other languages
Japanese (ja)
Inventor
Kenji Kuwahata
研二 桑畑
Junichi Yoshitake
順一 吉武
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.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries Ltd
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 Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP4228735A priority Critical patent/JPH0677265A/en
Publication of JPH0677265A publication Critical patent/JPH0677265A/en
Pending legal-status Critical Current

Links

Landscapes

  • Wire Bonding (AREA)
  • Die Bonding (AREA)
  • Lead Frames For Integrated Circuits (AREA)

Abstract

PURPOSE:To provide a box-type resin molded body which can be accurately aligned at bonding when a semiconductor device hollow package is manufactured. CONSTITUTION:A box-type resin molded body 1 is provided with a hollow 5 where a semiconductor device is housed, where the end face of an inner lead is exposed in the hollow 5, and an electrode 4 is provided to one of four corners 6 of the hollow 5 extending from a lead frame 3. The electrode 4 is to provided at a prescribed place of the corner 6 as to face two side walls and furthermore can be clearly discriminated from the box-type resin molded body 1 by its color, so that a reference point can be accurately recognized by an aligner, and consequently no error of bonding occurs.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、半導体装置用の箱形樹
脂成形体に関するものであり、より詳しくは、半導体実
装時のダイボンディングやワイヤボンディングにおい
て、位置合わせ精度を向上させることを可能にした箱形
樹脂成形体に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box-shaped resin molding for a semiconductor device, and more specifically, it is possible to improve alignment accuracy in die bonding and wire bonding when mounting a semiconductor. The present invention relates to a box-shaped resin molded body.

【0002】[0002]

【従来の技術およびその問題点】最近、CCD(Charge
Coupled Device )、MOS(Metal Oxide Semicondu-
ctor)、CPD(Charge Primming Device)などの固体
撮像素子、およびEPROM(Erasable and Programma
ble Read Only Memory)などの光による書き込み、およ
び消去可能なメモリーなどの半導体素子を用いた半導体
装置が電子部品として広く用いられつつある。このよう
な半導体装置のパッケージ方式としては、通常、セラミ
ックスを用いた気密封止方式が用いられているが、熱硬
化性樹脂などのプラスチックを用いることも試みられて
いる。
2. Description of the Related Art Recently, CCD (Charge
Coupled Device), MOS (Metal Oxide Semicondu-
ctor), solid-state image sensor such as CPD (Charge Primming Device), and EPROM (Erasable and Programma)
2. Description of the Related Art Semiconductor devices using semiconductor elements such as erasable memories and writable by light such as ble read only memory) are being widely used as electronic parts. As a package method for such a semiconductor device, an airtight sealing method using ceramics is usually used, but it has been attempted to use plastic such as thermosetting resin.

【0003】気密封止方式では、箱形樹脂成形体に半導
体素子をダイボンディング後、ワイヤボンディングを行
い、ふた材で気密封止する。そして、ダイボンディン
グ、ワイヤボンディングを自動機で行う場合、通常、ア
ライナーでインナーリード部に基準点を見いだし、この
基準点を元にして所望の場所にボンディングを行ってい
る。従って、この場合の半導体素子の位置精度はリード
フレームの寸法精度で決められることになる。ところ
が、リードフレームは、エッチングやスタンピングなど
によって製造されるものであるから、その寸法精度は1
0ないし50μm程度と誤差があり、さらに、箱形樹脂
成形体を成形する時の圧力などにより、この誤差が一層
ひどくなる場合がある。この状態でアライナーによって
基準点を見いだすと、ボンディング時にこの誤差がその
ままボンディング操作に表れ、ボンデイング精度を低下
させる原因となっている。
In the hermetically sealing method, a semiconductor element is die-bonded to a box-shaped resin molded body, and then wire bonding is performed, and the lid member is hermetically sealed. When die-bonding and wire-bonding are performed by an automatic machine, a reference point is usually found on the inner lead portion with an aligner, and bonding is performed at a desired location based on the reference point. Therefore, the positional accuracy of the semiconductor element in this case is determined by the dimensional accuracy of the lead frame. However, since the lead frame is manufactured by etching or stamping, its dimensional accuracy is 1
There is an error of about 0 to 50 μm, and the error may be more severe due to the pressure when molding the box-shaped resin molded body. When the reference point is found by the aligner in this state, this error appears in the bonding operation as it is at the time of bonding, which causes a decrease in bonding accuracy.

【0004】[0004]

【発明の目的】そこで、本発明の目的は、半導体素子実
装時のダイボンディング、ワイヤボンディング時の位置
合わせ精度を向上させ得る半導体用箱形樹脂成形体を提
供することにある。
SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a box-shaped resin molded product for a semiconductor, which can improve the alignment accuracy during die bonding and wire bonding when mounting a semiconductor element.

【0005】[0005]

【問題点を解決するための手段】本発明は、前記目的を
達成するために提案されたもので、半導体素子が収容さ
れる箱形樹脂成形体の中空部の4つのコーナー部の少な
くとも1か所に、アライナーが基準点を見いだす手がか
りになる電極を設ける点に特徴を有するものである。す
なわち、本発明によれば、半導体素子が収容される中空
部を有し、該中空部にインナーリードの端面を露出した
箱形樹脂成形体であって、該中空部の4つのコーナー部
の少なくとも1か所にリードフレームから延設された電
極を設けたことを特徴とする半導体装置用箱形樹脂成形
体が提供される。前記電極は、コーナー部の両壁面に接
して設けられており、通常、着色、特に黒色に形成され
るパッケージの色と、電極の金属色との反射率の差か
ら、アライナーが基準点を正確に察知することができ、
したがって、正確なボンディング精度が得られることに
なる。
The present invention has been proposed in order to achieve the above-mentioned object, and at least one of the four corners of the hollow portion of the box-shaped resin molded body in which the semiconductor element is housed. It is characterized in that the aligner is provided with an electrode as a clue for finding a reference point. That is, according to the present invention, there is provided a box-shaped resin molded body having a hollow portion in which a semiconductor element is housed, and exposing the end faces of the inner leads in the hollow portion, and at least four corner portions of the hollow portion. Provided is a box-shaped resin molded body for a semiconductor device, which is provided with an electrode extending from a lead frame at one location. The electrodes are provided in contact with both wall surfaces of the corners, and the aligner accurately determines the reference point from the difference in reflectance between the color of the package, which is usually colored, especially black, and the metal color of the electrodes. Can be detected by
Therefore, accurate bonding accuracy can be obtained.

【0006】[0006]

【発明の具体的説明】本発明の箱形樹脂成形体の構造
を、図面に基づいて説明する。図1は、本発明にかかる
箱形樹脂成形体の上面図、図2は、図1のA−A断面
図、図3は、本発明の箱形樹脂成形体の製造に用いられ
るリードフレームのパターン例を示す。本発明の箱形樹
脂成形体は、例えば、図3に示すようなパターンに製造
されたリードフレームを成型金型内に配置し、そこへ樹
脂を注入するインサート成形によってリードフレームが
一体となった成形体として得られる。リードフレーム
(アイランド部を含む)は、銅、鉄、アルミニウム、ニ
ッケルまたはこれらの合金からなる群から選ばれたも
の、なかんずく、42アロイ、または銅合金によって形
成されていることが望ましく、また、リードフレームに
は、必要に応じて、全面ないし部分的に、金、銀、ニッ
ケル、ハンダなどのメッキを施したりすることができ、
とくに、アイランド部には放熱性向上のために銅などの
他の材料を接合しても良い。
DETAILED DESCRIPTION OF THE INVENTION The structure of the box-shaped resin molding of the present invention will be described with reference to the drawings. FIG. 1 is a top view of a box-shaped resin molded body according to the present invention, FIG. 2 is a sectional view taken along line AA of FIG. 1, and FIG. 3 is a lead frame used for manufacturing the box-shaped resin molded body of the present invention. An example pattern is shown. In the box-shaped resin molded product of the present invention, for example, a lead frame manufactured in a pattern as shown in FIG. 3 is placed in a molding die, and the lead frame is integrated by insert molding in which resin is injected. Obtained as a molded body. The lead frame (including the island portion) is preferably made of a material selected from the group consisting of copper, iron, aluminum, nickel or alloys thereof, among others, 42 alloy or copper alloy. If necessary, the frame can be entirely or partially plated with gold, silver, nickel, solder, etc.,
In particular, another material such as copper may be bonded to the island portion to improve heat dissipation.

【0007】箱形樹脂成形体を構成する樹脂としては、
リードフレームと密着性のよい熱硬化性樹脂が用いら
れ、具体的には、ビスフェノールA、ノボラック型、グ
リシジルアミン型などのエポキシ系樹脂、ポリアミノビ
スマレイド、ポリピロメリットイミドなどのイミド樹脂
が好ましく用いられている。これらの樹脂には、必要に
応じて、硬化剤、硬化促進剤、充填剤、難燃剤、顔料、
離型剤などの自体公知の配合剤が配合されていてもよ
い。本発明の箱形樹脂成形体は、一般に、トランスファ
ー成形法、あるいは射出成形法によってリードフレーム
をインサートして成形される。このインサート成形の条
件は使用する樹脂によっても異なるが、通常、圧力10
ないし500Kg/cm2、温度100ないし250℃、硬化
時間1ないし5分の条件が好ましく採用される。
As the resin constituting the box-shaped resin molding,
A thermosetting resin having good adhesion to the lead frame is used, and specifically, an epoxy resin such as bisphenol A, novolac type or glycidyl amine type, or an imide resin such as polyamino bismaleide or polypyromellitimide is preferably used. Has been. These resins include, as necessary, a curing agent, a curing accelerator, a filler, a flame retardant, a pigment,
A known compounding agent such as a release agent may be blended. The box-shaped resin molded body of the present invention is generally molded by inserting a lead frame by a transfer molding method or an injection molding method. The conditions for this insert molding differ depending on the resin used, but normally the pressure is 10
Preferably, the conditions are: to 500 Kg / cm 2 , temperature: 100 to 250 ° C., curing time: 1 to 5 minutes.

【0008】図1は、このようにして成形された箱形樹
脂成形体の上面図である。本発明の最大の技術的特徴
は、前記箱形樹脂成形体(1) の中空部(5) の4か所のコ
ーナー部(6) のうち、少なくとも1か所のコーナー部
に、両壁面に接して電極(4) が形成される点にある。す
なわち、この電極は、箱形樹脂成形体のコーナー部に両
壁面に接した状態で形成されるから、リードフレーム
(2) の精度や成形時の圧力に関係なく、常に一定の位置
を正確に保つことができるため、後のボンディング作業
において、アライナーが正しく基準点を察知することが
でき、正確な位置合わせを達成することができることに
なる。
FIG. 1 is a top view of the box-shaped resin molded body thus molded. The greatest technical feature of the present invention is that at least one corner of the four corners (6) of the hollow part (5) of the box-shaped resin molded body (1) is provided on both wall surfaces. It is at the point where the electrodes (4) are formed in contact with each other. That is, since this electrode is formed in the corner portion of the box-shaped resin molded body in contact with both wall surfaces, the lead frame
Regardless of the accuracy of (2) and the pressure during molding, a constant position can always be maintained accurately, so the aligner can correctly detect the reference point in the subsequent bonding work, and accurate alignment can be performed. You will be able to achieve it.

【0009】電極は、図3に示したように、箱形樹脂成
形体の中空部のコーナー部に配置されるように、リード
フレームのインナーリード部(3) 寄りにリードフレーム
(2)と連接した状態で予めやや大きめの形状に製造して
おき、インサート成形によって、中空部の両壁面に接し
た状態に形成されるようにする(図1参照)。図3にお
いて破線は、箱形樹脂成形体の外側および内側のモール
ド線を示す。この電極は、リードフレームと同じ金属色
をした材料によって製造されるから、通常、黒色に成形
される箱形樹脂成形体とのコントラストの変化が、アラ
イナーによって正確に認識され、ボンディング作業に誤
差を生じることがない。
As shown in FIG. 3, the electrodes are arranged near the inner lead portions (3) of the lead frame so that they are arranged at the corners of the hollow portion of the box-shaped resin molded body.
It is manufactured in a slightly larger shape in advance in a state of being connected to (2), and is formed by insert molding so as to be in contact with both wall surfaces of the hollow portion (see FIG. 1). In FIG. 3, broken lines indicate molding lines on the outside and inside of the box-shaped resin molded body. Since this electrode is made of a material that has the same metal color as the lead frame, the change in contrast with the box-shaped resin molded body that is usually molded in black is accurately recognized by the aligner, which causes an error in the bonding work. It never happens.

【0010】[0010]

【実施例】以下、実施例によって本発明を説明する。 <実施例1>42アロイ製のリードフレームを図3に示
した形状に構成し、トランスファー成形機の金型内の所
定の位置にインサートした。ついで、ノボラック型エポ
キシ樹脂系成形材料を、温度180℃、圧力80kg/
cm2 、時間2分の条件でインサート成形した後、温度
180℃、3時間で後硬化を行って、図1に示した中空
パッケージを得た。この中空パッケージは、2か所のコ
ーナー部に形成された電極が金属色をしているため、黒
色の中空パッケージと明確に反射率が異なり、アライナ
ーのプログラムを、この電極を基準点とするように設定
することによって、ボンディングの操作が正確な位置に
繰り返し誤差なく達成することができた。
EXAMPLES The present invention will be described below with reference to examples. <Example 1> A 42 alloy lead frame was formed into the shape shown in Fig. 3 and was inserted into a predetermined position in a mold of a transfer molding machine. Next, the novolac type epoxy resin-based molding material was applied at a temperature of 180 ° C. and a pressure of 80 kg /
After insert-molding under the condition of cm 2 for 2 minutes, post-curing was performed at a temperature of 180 ° C. for 3 hours to obtain the hollow package shown in FIG. In this hollow package, the electrodes formed at the two corners have a metallic color, so the reflectance is clearly different from the black hollow package, and the aligner program should be set with this electrode as the reference point. By setting to, the bonding operation could be achieved at the correct position repeatedly without error.

【0011】[0011]

【発明の効果】本発明によれば、半導体装置用の箱形樹
脂成形体の中空部の4か所のコーナーのうち、少なくと
も1か所に、両壁面に接した状態で電極が形成されてい
るから、この電極が、箱形樹脂成形体とのコントラスト
の違いから、アライナーの基準点の認識を正確なものと
し、ボンディング操作に誤差を生じることがなく、正確
な位置にボンディングされた半導体用の中空パッケージ
を提供することが可能になる。
According to the present invention, electrodes are formed in contact with both wall surfaces in at least one of four corners of a hollow portion of a box-shaped resin molding for a semiconductor device. Therefore, this electrode makes the reference point of the aligner accurate because of the difference in contrast with the box-shaped resin molding, and does not cause an error in the bonding operation. It becomes possible to provide a hollow package.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の箱形樹脂成形体の上面図である。FIG. 1 is a top view of a box-shaped resin molded body of the present invention.

【図2】図1のA−A断面図である。FIG. 2 is a sectional view taken along line AA of FIG.

【図3】本発明の中空パッケージを構成するためのリー
ドフレームと電極の関係を示すリードフレームのパター
ン図である。
FIG. 3 is a pattern diagram of a lead frame showing the relationship between the lead frame and electrodes for forming the hollow package of the present invention.

【符合の説明】[Explanation of sign]

1 箱形樹脂成形体 2 リードフレーム(アウターリード部) 3 リードフレーム(インナーリード部) 4 電極 5 中空部 6 中空部のコーナー 1 Box-shaped resin molded body 2 Lead frame (outer lead part) 3 Lead frame (inner lead part) 4 Electrode 5 Hollow part 6 Hollow part corner

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 半導体素子が収容される中空部を有し、
該中空部にインナーリードの端面を露出した箱形樹脂成
形体であって、該中空部の4つのコーナー部の少なくと
も1か所にリードフレームから延設された電極を設けた
ことを特徴とする半導体装置用箱形樹脂成形体。
1. A hollow portion for accommodating a semiconductor element,
A box-shaped resin molded body in which an end surface of an inner lead is exposed in the hollow portion, wherein an electrode extended from a lead frame is provided at at least one of four corners of the hollow portion. Box-shaped resin molding for semiconductor devices.
【請求項2】 前記電極が、コーナー部の両壁面に接し
て設けられている請求項1記載の半導体装置用箱形樹脂
成形体。
2. The box-shaped resin molding for a semiconductor device according to claim 1, wherein the electrodes are provided in contact with both wall surfaces of a corner portion.
JP4228735A 1992-08-27 1992-08-27 Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors Pending JPH0677265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4228735A JPH0677265A (en) 1992-08-27 1992-08-27 Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4228735A JPH0677265A (en) 1992-08-27 1992-08-27 Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors

Publications (1)

Publication Number Publication Date
JPH0677265A true JPH0677265A (en) 1994-03-18

Family

ID=16881000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4228735A Pending JPH0677265A (en) 1992-08-27 1992-08-27 Box-shaped resin molded body with improved alignment accuracy when mounting semiconductors

Country Status (1)

Country Link
JP (1) JPH0677265A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001024252A1 (en) * 1999-09-28 2001-04-05 Matsushita Electric Industrial Co., Ltd. Electronic device and method of manufacture thereof
US6861282B2 (en) 2001-04-13 2005-03-01 Yamaha Corporation Semiconductor package and semiconductor package mounting method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001024252A1 (en) * 1999-09-28 2001-04-05 Matsushita Electric Industrial Co., Ltd. Electronic device and method of manufacture thereof
US6804103B1 (en) 1999-09-28 2004-10-12 Matsushita Electric Industrial Co., Ltd. Electronic component and method for manufacturing the same
US7345362B2 (en) 1999-09-28 2008-03-18 Matsushita Electric Industrial Co., Ltd. Electronic component and method for manufacturing the same
US6861282B2 (en) 2001-04-13 2005-03-01 Yamaha Corporation Semiconductor package and semiconductor package mounting method
US6979910B2 (en) 2001-04-13 2005-12-27 Yamaha Corporation Semiconductor package and semiconductor package mounting method
US7541294B2 (en) 2001-04-13 2009-06-02 Yamaha Corporation Semiconductor package and semiconductor package mounting method

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