JP2001332684A - Resin-sealed semiconductor device and manufacturing method thereof - Google Patents

Resin-sealed semiconductor device and manufacturing method thereof

Info

Publication number
JP2001332684A
JP2001332684A JP2000149253A JP2000149253A JP2001332684A JP 2001332684 A JP2001332684 A JP 2001332684A JP 2000149253 A JP2000149253 A JP 2000149253A JP 2000149253 A JP2000149253 A JP 2000149253A JP 2001332684 A JP2001332684 A JP 2001332684A
Authority
JP
Japan
Prior art keywords
chip
resin
semiconductor device
lead frame
chips
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
JP2000149253A
Other languages
Japanese (ja)
Inventor
Takashi Kondo
隆 近藤
Jun Shibata
潤 柴田
Koji Bando
晃司 板東
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2000149253A priority Critical patent/JP2001332684A/en
Publication of JP2001332684A publication Critical patent/JP2001332684A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/44Structure, shape, material or disposition of the wire connectors prior to the connecting process
    • H01L2224/45Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
    • H01L2224/45001Core members of the connector
    • H01L2224/45099Material
    • H01L2224/451Material 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
    • H01L2224/45138Material 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
    • H01L2224/45144Gold (Au) as principal constituent
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805Shape
    • H01L2224/4809Loop shape
    • H01L2224/48091Arched
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01Means 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
    • H01L2224/42Wire connectors; Manufacturing methods related thereto
    • H01L2224/47Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481Disposition
    • H01L2224/48151Connecting 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
    • H01L2224/48221Connecting 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
    • H01L2224/48245Connecting 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
    • H01L2224/48247Connecting 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/10Details of semiconductor or other solid state devices to be connected
    • H01L2924/11Device type
    • H01L2924/14Integrated circuits

Abstract

PROBLEM TO BE SOLVED: To provide a thinner package by reducing the height of a stacked resin-sealed semiconductor device. SOLUTION: A first chip 1 and a second chip 2 are laminated/housed in a single package, with the tip end region of a lead frame 3 extending on thin the first chip 1.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、複数のチップを
高密度に収納するため、1つのチップをLOC型、他の
チップをCOL型にして、2つ以上のチップを1つのパ
ッケージに収納することで、高密度化を達成した樹脂封
止型半導体装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention accommodates a plurality of chips at a high density by setting one chip to a LOC type and the other chip to a COL type to store two or more chips in one package. Thus, the present invention relates to a resin-encapsulated semiconductor device that has achieved high density.

【0002】[0002]

【従来の技術】図8は、従来の樹脂封止型半導体装置を
示す断面図である。この樹脂封止型半導体装置は、電極
を兼ねたリード11の上下両面に接着部材であるポリイ
ミドテープ12,13がそれぞれ設けられ、そのリード
11の下面側のポリイミドテープ13によって半導体チ
ップ14が固定されている。この半導体チップ14の上
面にはポリイミドテープ15が設けられ、さらに半導体
チップ14上の電極とリード11の上面とがボンディン
グワイヤ16を介して接合されている。
2. Description of the Related Art FIG. 8 is a sectional view showing a conventional resin-sealed semiconductor device. In this resin-encapsulated semiconductor device, polyimide tapes 12 and 13 as adhesive members are respectively provided on the upper and lower surfaces of a lead 11 also serving as an electrode, and a semiconductor chip 14 is fixed by the polyimide tape 13 on the lower surface side of the lead 11. ing. A polyimide tape 15 is provided on the upper surface of the semiconductor chip 14, and the electrodes on the semiconductor chip 14 are bonded to the upper surfaces of the leads 11 via bonding wires 16.

【0003】さらに、リード11の上面側のポリイミド
テープ12と、半導体チップ14の上面に設けられたポ
リイミドテープ15とにより、リード11の上面側に半
導体チップ17が固定され、該半導体チップ17上の電
極とリード11の上面側とがボンディングワイヤ18を
介して接合されている。そして、リード11の一部を外
部に引き出す形で、半導体チップ14,17を含む全体
が樹脂19によってモールドされている。
Further, a semiconductor chip 17 is fixed on the upper surface side of the lead 11 by a polyimide tape 12 on the upper surface side of the lead 11 and a polyimide tape 15 provided on the upper surface of the semiconductor chip 14. The electrode and the upper surface of the lead 11 are joined via a bonding wire 18. Then, the entirety including the semiconductor chips 14 and 17 is molded with the resin 19 so that a part of the lead 11 is pulled out to the outside.

【0004】[0004]

【発明が解決しようとする課題】従来の樹脂封止型半導
体装置は以上のように構成されていたので、チップ,ダ
イボンド層の厚さ、フレームリードの厚さが全て集積さ
れ、結果として半導体装置全体の高さを増加させてい
た。また、この高さを抑制するため、チップを薄く研磨
する等の手段で全体の高さを抑える方法がとられていた
が、この方法ではそれぞれのチップの布線は2回に分け
て実施する必要があるという問題点があった。さらに、
第1のチップの布線のダメージ防止や第2のチップとの
電気的接触を防止するため、厚いスペーサをチップ間に
挿入することが必要であるという問題点もあった。
Since the conventional resin-encapsulated semiconductor device is constructed as described above, the thickness of the chip, the die bond layer, and the thickness of the frame lead are all integrated, resulting in the semiconductor device. Had increased the overall height. Further, in order to suppress this height, a method of suppressing the entire height by means such as polishing the chip thinly has been adopted. However, in this method, the wiring of each chip is performed twice. There was a problem that it was necessary. further,
There is also a problem that it is necessary to insert a thick spacer between the chips to prevent damage to the wiring of the first chip and to prevent electrical contact with the second chip.

【0005】この発明は上記のような問題点を解決する
ためになされたものであり、スタック型実装ICの全高
を抑え、パッケージ全体を薄型にすることを目的とす
る。
The present invention has been made to solve the above problems, and has as its object to reduce the overall height of a stack type mounting IC and reduce the thickness of the entire package.

【0006】[0006]

【課題を解決するための手段】この発明の請求項1に係
る樹脂封止型半導体装置は、複数のチップをリードフレ
ームを挟んで積層するとともに、チップとリードフレー
ムとを布線し、全体を封止樹脂で覆ったものであって、
リードフレームの先端部分であって、チップと接触する
部分を薄く構成したものである。
According to a first aspect of the present invention, there is provided a resin-encapsulated semiconductor device in which a plurality of chips are stacked with a lead frame interposed therebetween, and the chips and the lead frame are wired. Covered with a sealing resin,
The tip portion of the lead frame, which is in contact with the chip, is made thin.

【0007】この発明の請求項2に係る樹脂封止型半導
体装置は、複数のチップをリードフレームを挟んで積層
するとともに、チップとリードフレームとを布線し、全
体を封止樹脂で覆ったものであって、リードフレームの
先端部分であって、チップと接触する部分を折り曲げて
構成したものである。
In a resin-sealed semiconductor device according to a second aspect of the present invention, a plurality of chips are stacked with a lead frame interposed therebetween, the chips and the lead frame are wired, and the whole is covered with a sealing resin. In this structure, a tip portion of a lead frame, which is in contact with a chip, is bent.

【0008】この発明の請求項3に係る樹脂封止型半導
体装置は、下部のチップとして中央に電極を有するメモ
リを配置し、上部のチップとしてロジック等の大型チッ
プを配置したものである。
According to a third aspect of the present invention, there is provided a resin-encapsulated semiconductor device in which a memory having an electrode in the center is arranged as a lower chip, and a large chip such as logic is arranged as an upper chip.

【0009】この発明の請求項4に係る樹脂封止型半導
体装置は、封止樹脂中に配合したフィラの粒径をチップ
間隔より小さく構成したものである。
According to a fourth aspect of the present invention, there is provided a resin-encapsulated semiconductor device in which a filler mixed in the encapsulating resin has a particle diameter smaller than a chip interval.

【0010】この発明の請求項5に係る樹脂封止型半導
体装置の製造方法は、複数のチップを同時に布線するも
のである。
According to a fifth aspect of the present invention, there is provided a method of manufacturing a resin-encapsulated semiconductor device, in which a plurality of chips are simultaneously wired.

【0011】[0011]

【発明の実施の形態】実施の形態1.以下、この発明の
一実施形態を図に基づいて説明する。図1はこの発明の
実施の形態1によるTSOP形の樹脂封止型半導体装置
を示す断面図、図2は同じく平面図である。図におい
て、1は第1のチップ、2は第2のチップ、3はリード
フレーム、1a,2aはそれぞれ第1のチップ1及び第
2のチップ2とリードフレーム3とを接続する布線、4
は第1のチップ1とリードフレーム3とを固着する固着
テープ(LOC型)、5は第2のチップ2とリードフレ
ーム3とを固着するための固着テープ(COL型)、6
は全体を覆う封止樹脂、7は封止樹脂6中に混合された
フィラ群であり、フィラの粒径は第1のチップ1と第2
のチップ2との間隔より小さく形成している。又、図3
は固着テープ4を第1のチップ1に貼り付けた状態を示
す平面図であり、固着テープ4は第1のチップ1の電極
を避けるとともに、リードフレーム3の下部を支える形
状をしている。
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view showing a TSOP type resin-sealed semiconductor device according to Embodiment 1 of the present invention, and FIG. 2 is a plan view of the same. In the drawing, 1 is a first chip, 2 is a second chip, 3 is a lead frame, 1a and 2a are wirings for connecting the first chip 1 and the second chip 2 to the lead frame 3, respectively.
Is a fixing tape (LOC type) for fixing the first chip 1 and the lead frame 3; 5 is a fixing tape (COL type) for fixing the second chip 2 and the lead frame 3;
Is a sealing resin covering the whole, 7 is a filler group mixed in the sealing resin 6, and the particle size of the filler is the first chip 1 and the second chip.
Is formed smaller than the distance from the chip 2. FIG.
FIG. 3 is a plan view showing a state in which the fixing tape 4 is attached to the first chip 1. The fixing tape 4 is shaped to support the lower part of the lead frame 3 while avoiding the electrodes of the first chip 1.

【0012】第1のチップ1は、先端部が薄くされたリ
ードフレーム3にLOC(Lead onChip)方式で第1の
チップ1上に設けられたパッド(電極)を回避するよう
に配設され、リードフレーム3の先端部に固着テープ4
等のダイボンド材によって固着されている。さらに、第
1のチップ1上に設けられた電極と、所定のリードフレ
ーム3の部位とを金線等の布線1aで電気的に接続して
いる。第2のチップ2は、リードフレーム3にCOL
(Chip on Lead)方式により、固着テープ5等で固着
され、それぞれ所定の部位間を金線等の布線2aで接続
されている。
The first chip 1 is disposed on a lead frame 3 having a thinned tip so as to avoid pads (electrodes) provided on the first chip 1 by a LOC (Lead on Chip) method. Sticking tape 4 to the end of lead frame 3
And the like. Further, the electrode provided on the first chip 1 and a predetermined part of the lead frame 3 are electrically connected by a wiring 1a such as a gold wire. The second chip 2 has COL
By a (Chip on Lead) method, the components are fixed with a fixing tape 5 or the like, and predetermined portions are connected to each other with a wiring 2a such as a gold wire.

【0013】更に図2に示すように、第1のチップ1の
電極が上面より露見する程、第2のチップ2が小さい場
合は、布線1a,2aのボンディング作業は、2回に分
けることなく、1回のボンディング工程によって、あた
かも一チップのごとく作業が実施できるようになる。こ
のように、リードフレーム3先端部を薄くした部位に、
第1と第2のチップ1,2をダイボンド(フレームへの
固着)したことにより、半導体装置の全体を薄くでき
る。また、リードフレーム3の先端を薄くしたことによ
るリードフレーム3の強度不足に関しては、リードフレ
ーム3の先端部をチップ1,2に接続固着することによ
り一体構造化したので、ワイヤボンディング中にも十分
な剛性を有する構造となる。
Further, as shown in FIG. 2, when the second chip 2 is small enough that the electrodes of the first chip 1 are exposed from the upper surface, the bonding operation of the wirings 1a and 2a is divided into two. Instead, the operation can be performed as if it were one chip by one bonding process. In this way, at the part where the tip of the lead frame 3 is thinned,
Since the first and second chips 1 and 2 are die-bonded (fixed to a frame), the entire semiconductor device can be thinned. Regarding insufficient strength of the lead frame 3 due to thinning of the tip of the lead frame 3, the leading end of the lead frame 3 is connected and fixed to the chips 1 and 2 to form an integral structure. The structure has high rigidity.

【0014】さらに、第1のチップ1の布線1aはリー
ドフレーム3の間にあるため、第2のチップ2をCOL
方式でリードフレーム3に固着したときも、布線1aと
第2のチップ2との電気的な接触回避が容易であり、特
開平8−107178号公報に示されたスペーサ作用を
するポリイミドテープ等の厚いテープ材を必要としな
い。
Further, since the wiring 1a of the first chip 1 is located between the lead frames 3, the second chip 2 is
Even when it is fixed to the lead frame 3 by the method, the electrical contact between the wiring 1a and the second chip 2 can be easily avoided, and a polyimide tape or the like which acts as a spacer as disclosed in JP-A-8-107178 Does not require thick tape material.

【0015】実施の形態2.図4,図5はこの発明の実
施の形態2による樹脂封止型半導体装置を示す断面図、
図6,図7は同じく平面図である。図4においては、ほ
ぼ同一サイズのチップ1,2を重ねて組立てる場合であ
り、第1のチップ1の布線1aの間隔を十分にとるた
め、リードフレーム3の先端を曲げ加工し、第1,第2
のチップ1,2をそれぞれLOC,COL方式でリード
フレーム3に固定したものである。第2のチップ2は、
先端曲げ加工を施されたリードフレーム3の端面部に固
着されている。
Embodiment 2 4 and 5 are sectional views showing a resin-sealed semiconductor device according to a second embodiment of the present invention.
6 and 7 are plan views of the same. FIG. 4 shows a case where the chips 1 and 2 of substantially the same size are stacked and assembled. In order to secure a sufficient space between the wiring lines 1a of the first chip 1, the tip of the lead frame 3 is bent and the first chip 1 is bent. , Second
Are fixed to the lead frame 3 by the LOC and COL systems, respectively. The second chip 2
The lead frame 3 is fixed to the end face of the lead frame 3 which has been subjected to the bending process.

【0016】また、第1のチップ1の電極がチップの中
央に設けられたメモリ等では、図5に示したように、リ
ードフレーム3のリード先端をチップ1内部に届くよう
に加工し、第1のチップ1をメモリ、第2のチップ2を
ロジック等大型で多ピンを必要とするものに構成し、ス
タック構造にしたものである。このように組み合わせる
チップの特徴により、リードフレーム3の先端の形状を
最適化することにより、多機能な半導体装置を極めて小
型で提供できる。
In a memory or the like in which the electrode of the first chip 1 is provided at the center of the chip, as shown in FIG. 5, the leading end of the lead of the lead frame 3 is processed so as to reach the inside of the chip 1. One chip 1 is configured as a memory, and the second chip 2 is configured as a large-sized, multi-pin requiring device such as a logic, and has a stack structure. By optimizing the shape of the tip of the lead frame 3 by the characteristics of the chips combined in this manner, a multifunctional semiconductor device can be provided in an extremely small size.

【0017】図6においては、第1のチップ1との接合
用端子群の状況を示しており、また図7においては、第
1のチップ1が長尺の場合、安定的に固着するため、電
気的接続を必要としないダミー端子3aを設けた場合を
示している。図示はしていないが、上下のリードフレー
ム3を第1のチップ1上面まで延在させ、さらに安定的
に固着することもできる。更に、このダミー端子3a
は、例えばロジックチップ等の第2のチップ2への電気
的接続用としても用いることができる。
FIG. 6 shows the condition of the terminal group for joining to the first chip 1. In FIG. 7, when the first chip 1 is long, it is stably fixed. This shows a case where dummy terminals 3a that do not require electrical connection are provided. Although not shown, the upper and lower lead frames 3 can be extended to the upper surface of the first chip 1 and fixed more stably. Further, the dummy terminal 3a
Can also be used for electrical connection to the second chip 2 such as a logic chip.

【0018】[0018]

【発明の効果】この発明の請求項1に係る樹脂封止型半
導体装置によれば、複数のチップをリードフレームを挟
んで積層するとともに、チップとリードフレームとを布
線し、全体を封止樹脂で覆ったものであって、リードフ
レームの先端部分であって、チップと接触する部分を薄
く構成したので、半導体装置全体を薄く構成することが
できる。
According to the resin-encapsulated semiconductor device according to the first aspect of the present invention, a plurality of chips are stacked with the lead frame interposed therebetween, and the chips and the lead frame are wired and the whole is sealed. Since the portion which is covered with resin and which is in contact with the chip, that is, the tip portion of the lead frame, is formed thin, the whole semiconductor device can be formed thin.

【0019】この発明の請求項2に係る樹脂封止型半導
体装置によれば、複数のチップをリードフレームを挟ん
で積層するとともに、チップとリードフレームとを布線
し、全体を封止樹脂で覆ったものであって、リードフレ
ームの先端部分であって、チップと接触する部分を折り
曲げて構成したので、封止樹脂中に配材したフィラの影
響を回避し、信頼性の高い半導体装置を提供することが
できる。
According to the resin-sealed semiconductor device of the second aspect of the present invention, a plurality of chips are stacked with the lead frame interposed therebetween, and the chips and the lead frame are wired, and the whole is made of sealing resin. It is covered, and the tip of the lead frame, which is in contact with the chip, is bent, so that the effect of fillers distributed in the sealing resin is avoided, and a highly reliable semiconductor device is provided. Can be provided.

【0020】この発明の請求項3に係る樹脂封止型半導
体装置によれば、下部のチップとして中央に電極を有す
るメモリを配置し、上部のチップとしてロジック等の大
型チップを配置したので、多機能な半導体装置を極めて
小型で提供することができる。
According to the resin-encapsulated semiconductor device of the third aspect of the present invention, a memory having an electrode at the center is arranged as a lower chip, and a large chip such as a logic is arranged as an upper chip. An extremely small functional semiconductor device can be provided.

【0021】この発明の請求項4に係る樹脂封止型半導
体装置によれば、封止樹脂中に配合したフィラの粒径を
チップ間隔より小さく構成したので、チップへの圧力を
緩和することができる。
According to the resin-encapsulated semiconductor device of the fourth aspect of the present invention, since the particle diameter of the filler mixed in the encapsulation resin is made smaller than the chip interval, the pressure on the chip can be reduced. it can.

【0022】この発明の請求項5に係る樹脂封止型半導
体装置の製造方法によれば、複数のチップを同時に布線
するので、作業を簡略化することができる。
According to the method of manufacturing a resin-encapsulated semiconductor device according to the fifth aspect of the present invention, since a plurality of chips are wired at the same time, the operation can be simplified.

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

【図1】 この発明の実施の形態1による樹脂封止型半
導体装置を示す断面図である。
FIG. 1 is a sectional view showing a resin-sealed semiconductor device according to a first embodiment of the present invention.

【図2】 この発明の実施の形態1による樹脂封止型半
導体装置を示す平面図である。
FIG. 2 is a plan view showing the resin-sealed semiconductor device according to the first embodiment of the present invention.

【図3】 テープの形状を示す断面図である。FIG. 3 is a sectional view showing the shape of a tape.

【図4】 この発明の実施の形態2による樹脂封止型半
導体装置を示す断面図である。
FIG. 4 is a sectional view showing a resin-sealed semiconductor device according to a second embodiment of the present invention;

【図5】 この発明の実施の形態2による樹脂封止型半
導体装置を示す断面図である。
FIG. 5 is a sectional view showing a resin-sealed semiconductor device according to a second embodiment of the present invention.

【図6】 この発明の実施の形態2による樹脂封止型半
導体装置を示す平面図である。
FIG. 6 is a plan view showing a resin-sealed semiconductor device according to a second embodiment of the present invention.

【図7】 この発明の実施の形態2による樹脂封止型半
導体装置を示す平面図である。
FIG. 7 is a plan view showing a resin-sealed semiconductor device according to a second embodiment of the present invention.

【図8】 従来の樹脂封止型半導体装置を示す断面図で
ある。
FIG. 8 is a sectional view showing a conventional resin-encapsulated semiconductor device.

【符号の説明】[Explanation of symbols]

1,2 チップ、3 リードフレーム、6 封止樹脂、
7 フィラ。
1, 2 chips, 3 lead frames, 6 sealing resin,
7 Fira.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 板東 晃司 東京都千代田区丸の内二丁目2番3号 三 菱電機株式会社内 Fターム(参考) 5F044 AA01 AA19 GG03 5F067 AA01 AA18 AB02 BB04 BB08 BE10 CC02 CC08 CD01 DF02 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Koji Bando, Inventor 2-3-2 Marunouchi, Chiyoda-ku, Tokyo F-term (reference) 5F044 AA01 AA19 GG03 5F067 AA01 AA18 AB02 BB04 BB08 BE10 CC02 CC08 CD01 DF02

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 複数のチップをリードフレームを挟んで
積層するとともに、上記チップとリードフレームとを布
線し、全体を封止樹脂で覆った樹脂封止型半導体装置に
おいて、上記リードフレームの先端部分であって、上記
チップと接触する部分を薄く構成したことを特徴とする
樹脂封止型半導体装置。
1. A resin-encapsulated semiconductor device in which a plurality of chips are stacked with a lead frame interposed therebetween, the chips and the lead frame are wired, and the whole is covered with a sealing resin. A resin-encapsulated semiconductor device, wherein a portion that contacts the chip is configured to be thin.
【請求項2】 複数のチップをリードフレームを挟んで
積層するとともに、上記チップとリードフレームとを布
線し、全体を封止樹脂で覆った樹脂封止型半導体装置に
おいて、上記リードフレームの先端部分であって、上記
チップと接触する部分を折り曲げて構成したことを特徴
とする樹脂封止型半導体装置。
2. A resin-encapsulated semiconductor device in which a plurality of chips are stacked with a lead frame interposed therebetween, the chips and the lead frame are wired, and the whole is covered with a sealing resin. A resin-encapsulated semiconductor device, wherein a portion that contacts the chip is bent.
【請求項3】 下部のチップとして中央に電極を有する
メモリを配置し、上部のチップとしてロジック等の大型
チップを配置したことを特徴とする請求項2記載の樹脂
封止型半導体装置。
3. The resin-encapsulated semiconductor device according to claim 2, wherein a memory having an electrode in the center is disposed as a lower chip, and a large chip such as a logic is disposed as an upper chip.
【請求項4】 封止樹脂中に配合したフィラの粒径をチ
ップ間隔より小さく構成したことを特徴とする請求項1
から請求項3のいずれか1項に記載の樹脂封止型半導体
装置。
4. The filler according to claim 1, wherein the filler has a particle diameter smaller than a chip interval.
The resin-sealed semiconductor device according to any one of claims 1 to 3.
【請求項5】 請求項1から請求項4のいずれか1項に
記載の樹脂封止型半導体装置の製造方法であって、複数
のチップを同時に布線することを特徴とする樹脂封止型
半導体装置の製造方法。
5. The method for manufacturing a resin-sealed semiconductor device according to claim 1, wherein a plurality of chips are wired simultaneously. A method for manufacturing a semiconductor device.
JP2000149253A 2000-05-22 2000-05-22 Resin-sealed semiconductor device and manufacturing method thereof Pending JP2001332684A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000149253A JP2001332684A (en) 2000-05-22 2000-05-22 Resin-sealed semiconductor device and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000149253A JP2001332684A (en) 2000-05-22 2000-05-22 Resin-sealed semiconductor device and manufacturing method thereof

Publications (1)

Publication Number Publication Date
JP2001332684A true JP2001332684A (en) 2001-11-30

Family

ID=18655138

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000149253A Pending JP2001332684A (en) 2000-05-22 2000-05-22 Resin-sealed semiconductor device and manufacturing method thereof

Country Status (1)

Country Link
JP (1) JP2001332684A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007157826A (en) * 2005-12-01 2007-06-21 Oki Electric Ind Co Ltd Semiconductor device, manufacturing method thereof, and lead frame thereof
US7368320B2 (en) 2003-08-29 2008-05-06 Micron Technology, Inc. Method of fabricating a two die semiconductor assembly
JP2009111401A (en) * 2001-12-27 2009-05-21 Samsung Electronics Co Ltd Stack semiconductor chip package
WO2011030516A1 (en) * 2009-09-08 2011-03-17 住友ベークライト株式会社 Semiconductor device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009111401A (en) * 2001-12-27 2009-05-21 Samsung Electronics Co Ltd Stack semiconductor chip package
US7368320B2 (en) 2003-08-29 2008-05-06 Micron Technology, Inc. Method of fabricating a two die semiconductor assembly
US7372129B2 (en) 2003-08-29 2008-05-13 Micron Technology, Inc. Two die semiconductor assembly and system including same
JP2007157826A (en) * 2005-12-01 2007-06-21 Oki Electric Ind Co Ltd Semiconductor device, manufacturing method thereof, and lead frame thereof
WO2011030516A1 (en) * 2009-09-08 2011-03-17 住友ベークライト株式会社 Semiconductor device
US8766420B2 (en) 2009-09-08 2014-07-01 Sumitomo Bakelite Co., Ltd. Semiconductor device

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