JPH10247704A - Circuit device and its manufacture - Google Patents

Circuit device and its manufacture

Info

Publication number
JPH10247704A
JPH10247704A JP10100067A JP10006798A JPH10247704A JP H10247704 A JPH10247704 A JP H10247704A JP 10100067 A JP10100067 A JP 10100067A JP 10006798 A JP10006798 A JP 10006798A JP H10247704 A JPH10247704 A JP H10247704A
Authority
JP
Japan
Prior art keywords
main surface
conductor layer
circuit board
hole
circuit
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.)
Granted
Application number
JP10100067A
Other languages
Japanese (ja)
Other versions
JP3104749B2 (en
Inventor
Koji Otsuka
康二 大塚
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.)
Sanken Electric Co Ltd
Original Assignee
Sanken Electric Co 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 Sanken Electric Co Ltd filed Critical Sanken Electric Co Ltd
Priority to JP10100067A priority Critical patent/JP3104749B2/en
Publication of JPH10247704A publication Critical patent/JPH10247704A/en
Application granted granted Critical
Publication of JP3104749B2 publication Critical patent/JP3104749B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L24/00Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
    • H01L24/01Means 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
    • H01L24/26Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
    • H01L24/31Structure, shape, material or disposition of the layer connectors after the connecting process
    • H01L24/32Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
    • 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
    • H01L2224/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/491Disposition
    • H01L2224/4911Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain
    • H01L2224/49113Disposition the connectors being bonded to at least one common bonding area, e.g. daisy chain the connectors connecting different bonding areas on the semiconductor or solid-state body to a common bonding area outside the body, e.g. converging wires
    • 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
    • H01L2224/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/491Disposition
    • H01L2224/4912Layout
    • H01L2224/49175Parallel arrangements
    • 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
    • H01L2224/49Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
    • H01L2224/494Connecting portions
    • H01L2224/4943Connecting portions the connecting portions being staggered
    • H01L2224/49433Connecting portions the connecting portions being staggered outside the semiconductor or solid-state body
    • 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
    • H01L2224/73Means 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
    • H01L2224/732Location after the connecting process
    • H01L2224/73251Location after the connecting process on different surfaces
    • H01L2224/73265Layer and wire connectors
    • 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
    • H01L2924/13Discrete devices, e.g. 3 terminal devices
    • H01L2924/1304Transistor
    • H01L2924/1306Field-effect transistor [FET]
    • 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
    • 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
    • H01L2924/19Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
    • H01L2924/191Disposition
    • H01L2924/19101Disposition of discrete passive components
    • H01L2924/19105Disposition of discrete passive components in a side-by-side arrangement on a common die mounting substrate
    • 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
    • H01L2924/30Technical effects
    • H01L2924/301Electrical effects
    • H01L2924/3025Electromagnetic shielding

Abstract

PROBLEM TO BE SOLVED: To provide a hybrid integrated circuit which may readily be reduced in its thickness. SOLUTION: A through hole 7 is formed in a circuit board 2 and a lower side of the through hole 7 is covered with an external connecting conductor layer 18. A semiconductor chip 10 is disposed via a radiator 6 on the conductor layer 18 located under the through hole 7. The semiconductor chip 10 is connected to conductor layers 11, 12, 13 via lead wires 22, 23, 24. A conductive layer 25 is provided on the wall face of the through hole 7. The external connecting conductive layer 18 is formed of a metallic sheet and a plating layer.

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】本発明は混成集積回路等の回
路装置及びその製造方法に関する。
The present invention relates to a circuit device such as a hybrid integrated circuit and a method for manufacturing the same.

【0002】[0002]

【従来の技術及び発明が解決しようとする課題】半導体
素子等の回路素子を含む混成集積回路装置において、放
熱体等が固着された背の高い回路素子を含む場合には、
この一部又は全部を回路基板の孔に挿入することが考え
られる。この様に回路基板の孔に回路素子を配置する場
合において、回路素子の配置を容易且つ確実に達成でき
れば好都合である。また、発熱の大きい回路素子を使用
する場合には、良好な放熱性が要求される。 また、回
路装置においては、ノイズ防止が必要になる。
2. Description of the Related Art In a hybrid integrated circuit device including a circuit element such as a semiconductor element, when a tall circuit element to which a radiator or the like is fixed is included,
It is conceivable to insert a part or all of this into the hole of the circuit board. When arranging the circuit elements in the holes of the circuit board in this way, it is advantageous if the arrangement of the circuit elements can be achieved easily and reliably. In addition, when a circuit element generating a large amount of heat is used, good heat dissipation is required. Further, in a circuit device, it is necessary to prevent noise.

【0003】そこで本発明の目的は、薄型化を容易に達
成できると共に、容易に製造することができる回路装置
及びその製造方法を提供することにある。
An object of the present invention is to provide a circuit device which can be easily made thin and can be easily manufactured, and a method of manufacturing the same.

【0004】[0004]

【課題を解決するための手段】上記課題を解決し、上記
目的を達成するための装置の発明は、絶縁性回路基板と
回路素子とを備えた回路装置であって、前記回路基板の
一方の主面から他方の主面に至る貫通孔が設けられてお
り、前記回路基板の一方の主面には前記回路素子を接続
するための配線導体層が設けられており、前記回路基板
の他方の主面側に前記貫通孔を閉塞するように他方の主
面側の導体層が配設されており、前記回路素子が前記貫
通孔の中に配置され且つ前記貫通孔を閉塞している他方
の主面側の導体層で支持されており、前記回路素子と前
記回路基板の一方の主面上の前記配線導体層とが導体で
接続されている回路装置において、前記他方の主面側の
導体層は、前記絶縁性回路基板の他方の主面に固着され
た金属シ−トと該金属シ−トにメッキされて成るメッキ
層とから構成されており、前記他方の主面側の導体層の
肉厚は前記絶縁性回路基板の肉厚よりも小さいことを特
徴とする回路装置に係わるものである。なお、請求項2
に示すように親基板を設けることが望ましい。上記目的
を達成するための方法の発明は、一方の主面から他方の
主面に至る貫通孔を有し、前記一方の主面の第1の金属
シ−トが貼り付けられた絶縁性回路基板を用意する工程
と、前記回路基板よりも薄い第2の金属シ−トを用意
し、前記回路基板の前記他方の主面に対して前記貫通孔
を閉塞するように接着する工程と、次に、メッキによっ
て少なくとも前記第1及び第2の金属シ−トの露出面に
金属メッキ層を形成する工程と、前記金属メッキ層を伴
った前記第1の金属シ−トを所望のパタ−ンにエッチン
グして配線導体層を形成する工程と、前記金属メッキ層
を伴った前記第2の金属シ−トの前記貫通孔を閉塞する
部分の上に回路素子を配置する工程と、前記回路素子と
前記配線導体層とを導体で接続する工程とを有している
ことを特徴とする回路装置の製造方法に係わるものであ
る。
Means for Solving the Problems The invention of an apparatus for solving the above problems and achieving the above object is a circuit device comprising an insulating circuit board and a circuit element, wherein one of the circuit boards is provided. A through hole extending from the main surface to the other main surface is provided, and a wiring conductor layer for connecting the circuit element is provided on one main surface of the circuit board, and the other of the circuit board is provided with a wiring conductor layer. A conductor layer on the other main surface side is disposed on the main surface side so as to close the through-hole, and the other circuit element is disposed in the through-hole and closes the through-hole. In a circuit device supported by a conductor layer on the main surface side, and the circuit element and the wiring conductor layer on one main surface of the circuit board are connected by a conductor, the conductor on the other main surface side The layer includes a metal sheet fixed to the other main surface of the insulating circuit board and the metal sheet. And a plating layer formed by plating a metal sheet, wherein the thickness of the conductor layer on the other main surface side is smaller than the thickness of the insulating circuit board. It is concerned. Claim 2
It is desirable to provide a parent board as shown in FIG. The invention of a method for achieving the above object is to provide an insulating circuit having a through hole extending from one main surface to another main surface, to which a first metal sheet on the one main surface is attached. A step of preparing a board; a step of preparing a second metal sheet thinner than the circuit board; and bonding the second metal sheet to the other main surface of the circuit board so as to close the through hole. Forming a metal plating layer on at least the exposed surfaces of the first and second metal sheets by plating; and forming the first metal sheet with the metal plating layer in a desired pattern. Forming a wiring conductor layer by etching the circuit element, arranging a circuit element on a portion of the second metal sheet with the metal plating layer that closes the through hole, And a step of connecting the wiring conductor layer with a conductor by a conductor. Those relating to the manufacturing method of the circuit device.

【0005】[0005]

【発明の作用及び効果】各請求項の発明によれば、回路
基板の貫通孔の中に回路素子を配置し、この貫通孔が回
路基板よりも肉薄の金属シ−トとメッキ層から構成され
る導体層によって閉塞されているので、回路装置の肉薄
化を達成することができると共に、回路素子の配置及び
支持を容易に達成することかでき、回路装置の組立てが
容易になる。また、請求項2の発明によれば、親基板の
導体層によっても貫通孔が閉塞されるので、回路素子の
支持を容易且つ確実に達成することができ、且つ親基板
の導体層を通して放熱させることが可能となる。また、
請求項3の発明によれば、回路装置を容易に製造するこ
とができる。
According to the present invention, a circuit element is disposed in a through hole of a circuit board, and the through hole is formed of a metal sheet and a plating layer which are thinner than the circuit board. Since the circuit device is closed by the conductive layer, the thickness of the circuit device can be reduced, the arrangement and support of the circuit element can be easily achieved, and the circuit device can be easily assembled. Further, according to the second aspect of the present invention, since the through-hole is also closed by the conductor layer of the parent substrate, the support of the circuit element can be achieved easily and reliably, and heat is radiated through the conductor layer of the parent substrate. It becomes possible. Also,
According to the third aspect of the invention, the circuit device can be easily manufactured.

【0006】[0006]

【実施例】次に、図1〜図10を参照して本発明の実施
例に係わる回路装置を説明する。図1及び図2に示すよ
うに、この回路装置としての混成集積回路1は、誘電体
即ち絶縁体から成る回路基板2と、回路素子としての半
導体素子3と、抵抗又はコンデンサ等の別の回路素子4
とを含む。比較的薄い回路素子4は回路基板2の一方の
主面5の上に配置されているが放熱体6を備えているた
めに比較的に背の高い半導体素子3は、貫通孔7の中に
配置されている。即ち、回路基板2には、一方の主面5
から他方の主面8に至る貫通孔7が形成され、この貫通
孔7の中に直方体の放熱体6が配置され、この放熱体6
の上にろう材9によって半導体チップ10が固着されて
いる。
Next, a circuit device according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 and 2, a hybrid integrated circuit 1 as a circuit device includes a circuit board 2 made of a dielectric or insulator, a semiconductor element 3 as a circuit element, and another circuit such as a resistor or a capacitor. Element 4
And Although the relatively thin circuit element 4 is arranged on one main surface 5 of the circuit board 2, the semiconductor element 3 having a relatively high height due to the provision of the heat radiator 6 is disposed in the through hole 7. Are located. That is, one main surface 5 is provided on the circuit board 2.
A through-hole 7 is formed extending from the heat sink to the other main surface 8, and a rectangular parallelepiped radiator 6 is disposed in the through-hole 7.
A semiconductor chip 10 is fixed to the semiconductor chip 10 by a brazing material 9.

【0007】回路基板2の一方の主面5には、配線導体
層11、12、13、14、15、16、17が形成さ
れ、他方の主面8には図2及び図3に示すように第1、
第2及び第3の外部接続用導体層18、19、20及び
内部接続用導体層21が形成されている。なお、実際に
は回路基板2の一方の及び他方の主面5、8の上に半田
接続に無関係の部分を覆うための半田レジスト層を周知
の技術に従って設けるが、本実施例を示す図面ではこれ
が省略されている。
On one main surface 5 of the circuit board 2, wiring conductor layers 11, 12, 13, 14, 15, 16, 17 are formed, and on the other main surface 8, as shown in FIGS. First,
The second and third external connection conductor layers 18, 19, 20 and the internal connection conductor layer 21 are formed. In practice, a solder resist layer for covering a portion unrelated to solder connection is provided on one and the other main surfaces 5 and 8 of the circuit board 2 according to a known technique, but in the drawings showing this embodiment, This has been omitted.

【0008】半導体チップ10は本実施例の場合、電力
用の電界効果トランジスタであって、ソース電極が内部
接続導体としてのリード線22によって配線導体層11
に接続され、ドレイン電極がリード線23によって配線
導体層12に接続され、ゲート電極がリード線24によ
って配線導体層13に接続されている。内部接続導体と
してのリード線22、23、24はそれぞれワイヤボン
ディング方法で設けられている。
In this embodiment, the semiconductor chip 10 is a field effect transistor for power, and its source electrode is connected to the wiring conductor layer 11 by a lead wire 22 as an internal connection conductor.
The drain electrode is connected to the wiring conductor layer 12 by a lead wire 23, and the gate electrode is connected to the wiring conductor layer 13 by a lead wire 24. The lead wires 22, 23, and 24 as internal connection conductors are provided by a wire bonding method.

【0009】回路基板2に設けられた貫通孔7の壁面に
はノイズ防止用導体層25が設けられ、これが主面5上
の配線導体層11に接続されている。
A noise preventing conductor layer 25 is provided on the wall surface of the through hole 7 provided in the circuit board 2, and is connected to the wiring conductor layer 11 on the main surface 5.

【0010】回路基板2の他方の主面8の第1の外部接
続用導体層18は、接着層26によって回路基板2の他
方の主面8に固着された銅シートから成る金属シート4
3と金属メッキ層35とから成る。この第1の外部接続
用導体層18は、図2から明らかなように貫通孔7を回
路基板2の他方の主面8側で閉塞する部分27を有す
る。回路基板2の他方の主面8における配線導体層21
も金属シート43とメッキ層35とで形成され、また図
3に示す第2及び第3の外部接続用導体層19、20も
金属シートとメッキ層で形成されている。図1に示す配
線導体層15、16は回路基板2の側面の溝28、29
の導体層30、31によって図3の回路基板2の他方の
主面8の外部接続用導体層19、20に接続されてい
る。また、図1の配線導体層17はスルーホール32の
導体層33によって図3の他方の主面8の導体層21に
接続されている。
The first external connection conductor layer 18 on the other main surface 8 of the circuit board 2 is made of a metal sheet 4 made of a copper sheet fixed to the other main surface 8 of the circuit board 2 by an adhesive layer 26.
3 and a metal plating layer 35. The first external connection conductor layer 18 has a portion 27 that closes the through hole 7 on the other main surface 8 side of the circuit board 2 as is apparent from FIG. Wiring conductor layer 21 on the other main surface 8 of circuit board 2
The second and third external connection conductor layers 19 and 20 shown in FIG. 3 are also formed of a metal sheet and a plating layer. The wiring conductor layers 15 and 16 shown in FIG.
3 are connected to the external connection conductor layers 19 and 20 on the other main surface 8 of the circuit board 2 in FIG. Further, the wiring conductor layer 17 in FIG. 1 is connected to the conductor layer 21 on the other main surface 8 in FIG.

【0011】回路基板2の一方の主面5における配線導
体層11、12、13、14、15、16、17は、図
10から明らかなように金属シート43と金属メッキ層
35とから成る。
The wiring conductor layers 11, 12, 13, 14, 15, 16, 17 on one main surface 5 of the circuit board 2 are composed of a metal sheet 43 and a metal plating layer 35 as is apparent from FIG.

【0012】第1の外部接続用導体層18の閉塞部分2
7の上には図2から明らかなように金属メッキ層36が
設けられ、この上に放熱体6が半田37によって固着さ
れている。
The closed portion 2 of the first external connection conductor layer 18
As is clear from FIG. 2, a metal plating layer 36 is provided on 7, and the heat radiator 6 is fixed thereon by solder 37.

【0013】図1〜図3の混成集積回路1は図4に示す
絶縁性親基板38の上に配置される。親基板38にはグ
ランドに接続された第1の導体層39の他に、第2及び
第3の導体層40、41が設けられ、更に回路素子(図
示せず)が配設されている。
The hybrid integrated circuit 1 shown in FIGS. 1 to 3 is arranged on an insulating parent substrate 38 shown in FIG. In addition to the first conductor layer 39 connected to the ground, second and third conductor layers 40 and 41 are provided on the mother board 38, and circuit elements (not shown) are further provided.

【0014】図5及び図6は親基板38の上に混成集積
回路1を配置した状態を図1及び図2に対応して示すも
のである。これから明らかなように混成集積回路1の回
路基板2の他方の主面8の第1の外部接続用導体層18
は半田42によって親基板38のグランド導体層39に
固着されている。また、図3に示す第2及び第3の外部
接続用導体層19、20も図4及び図5に示す親基板3
8の導体層40、41に半田(図示せず)によって接続
されている。混成集積回路1の外部接続用導体層18、
19、20は回路基板2の他方の主面8にあるので、表
面実装方法によって同時に半田接続することができる。
FIGS. 5 and 6 show a state in which the hybrid integrated circuit 1 is arranged on the parent substrate 38, corresponding to FIGS. 1 and 2. FIG. As is clear from this, the first external connection conductor layer 18 on the other main surface 8 of the circuit board 2 of the hybrid integrated circuit 1
Is fixed to the ground conductor layer 39 of the parent board 38 by solder 42. The second and third external connection conductor layers 19 and 20 shown in FIG. 3 also correspond to the parent substrate 3 shown in FIGS.
8 are connected to the conductor layers 40 and 41 by soldering (not shown). The external connection conductor layer 18 of the hybrid integrated circuit 1;
Since 19 and 20 are on the other main surface 8 of the circuit board 2, they can be connected by soldering simultaneously by the surface mounting method.

【0015】図7〜図10は、回路基板2に導体層11
〜21等を形成する方法を示す。まず、図7に示すよう
に例えば厚さ約0.8mmの回路基板2の一方の主面5
の上に厚さ約18μmの銅シートから成る金属シート3
4を貼り付け、貫通孔7を形成したものを用意する。ま
た、貫通孔7に対応した貫通孔26bを有する熱硬化性
樹脂から成る接着シート26aを用意し、更に、厚さ約
70μmの銅シートから成る金属シート43を用意す
る。次に、回路基板2と接続シート26aと金属シート
43とを積層し、プレスし、加熱することによって金属
シート43を回路基板2に接着シート26aで固着す
る。また、スルーホール32を形成する。次に、無電解
メッキと電解メッキを順次に施すことによって図9に示
すように金属シート34、43の上及び回路基板2の露
出面に金属メッキ層35を形成する。これにより貫通孔
7の壁内及びスルーホール32の壁面の導体層35及び
底面の金属メッキ層36も形成される。次に、回路基板
2の一方の主面5及び他方の主面8の選択的エッチング
によって図1〜図3及び図10に示すように所定パター
ンの導体層11〜21を形成する。
FIG. 7 to FIG. 10 show that the conductor layer 11 is formed on the circuit board 2.
2 to 21 and the like will be described. First, as shown in FIG. 7, one main surface 5 of a circuit board 2 having a thickness of about 0.8 mm, for example.
Metal sheet 3 comprising a copper sheet having a thickness of about 18 μm
4 to which a through hole 7 is formed is prepared. Further, an adhesive sheet 26a made of a thermosetting resin having a through hole 26b corresponding to the through hole 7 is prepared, and a metal sheet 43 made of a copper sheet having a thickness of about 70 μm is prepared. Next, the circuit board 2, the connection sheet 26a, and the metal sheet 43 are laminated, pressed, and heated to fix the metal sheet 43 to the circuit board 2 with the adhesive sheet 26a. Further, a through hole 32 is formed. Next, by performing electroless plating and electrolytic plating sequentially, a metal plating layer 35 is formed on the metal sheets 34 and 43 and on the exposed surface of the circuit board 2 as shown in FIG. Thereby, the conductor layer 35 on the wall of the through hole 7 and the wall surface of the through hole 32 and the metal plating layer 36 on the bottom surface are also formed. Next, conductor layers 11 to 21 having a predetermined pattern are formed as shown in FIGS. 1 to 3 and 10 by selective etching of one main surface 5 and the other main surface 8 of circuit board 2.

【0016】本実施例によれば次の効果が得られる。 (イ) 薄型化するために回路基板2の貫通孔7の中に
半導体素子3を配置する時に、導体層18によって閉塞
された部分27の上に半導体素子3を置くことができる
ので、半導体素子3の高さ方向の位置決めを容易に達成
することができるばかりでなく、半導体素子3の装着を
容易に達成することができる。 (ロ) 放熱体6が設けられ、これが導体層18の上に
配置されているので、放熱体6のみでなく、導体層18
による放熱効果も得ることができる。 (ハ) 導体層18の貫通孔7を閉塞する部分27は外
部接続用導体層18の延長部として形成されているの
で、特別な工程を伴なわずに容易に得ることができる。 (ニ) 親基板38の導体層39も貫通孔7の下に配置
される構成であるので、この導体層39による放熱効果
を得ることができるばかりでなく、半導体素子3の安定
的支持が達成される。 (ホ) 放熱体6を高さ方向のスペーサとして働かせ、
半導体チップ10の表面の高さ位置を導体層11、1
2、13の高さ位置にほぼ揃えているので、ワイヤボン
ディングによりリード線22、23、24を容易に接続
することができる。 (ヘ) 貫通孔7の壁面に導体層25を設けたので、こ
れによって半導体素子3の電磁及び/又は静電シールド
が達成され、半導体素子3に対するノイズの侵入及びこ
こからのノイズの放射を防ぐことができる。 (ト) 混成集積回路1を親基板38に対して表面実装
方法で容易に装着することができる。
According to this embodiment, the following effects can be obtained. (A) When the semiconductor element 3 is arranged in the through hole 7 of the circuit board 2 to reduce the thickness, the semiconductor element 3 can be placed on the portion 27 closed by the conductor layer 18. Not only can the positioning of the semiconductor element 3 in the height direction be easily achieved, but also the mounting of the semiconductor element 3 can be easily achieved. (B) Since the heat radiator 6 is provided and disposed on the conductor layer 18, not only the heat radiator 6 but also the conductor layer 18
Can also provide a heat radiation effect. (C) Since the portion 27 of the conductor layer 18 that closes the through hole 7 is formed as an extension of the external connection conductor layer 18, it can be easily obtained without any special process. (D) Since the conductor layer 39 of the parent substrate 38 is also arranged below the through-hole 7, not only the heat radiation effect by the conductor layer 39 can be obtained, but also the semiconductor element 3 can be stably supported. Is done. (E) The radiator 6 acts as a spacer in the height direction,
The height position of the surface of the semiconductor chip 10 is set to the conductor layers 11, 1
The lead wires 22, 23, and 24 can be easily connected by wire bonding since they are almost aligned at the height positions of 2 and 13. (F) Since the conductor layer 25 is provided on the wall surface of the through-hole 7, electromagnetic and / or electrostatic shielding of the semiconductor element 3 is achieved, thereby preventing noise from entering the semiconductor element 3 and radiating noise therefrom. be able to. (G) The hybrid integrated circuit 1 can be easily mounted on the mother board 38 by a surface mounting method.

【0017】[0017]

【変形例】本発明は上述の実施例に限定されるものでな
く、例えば次の変形が可能なものである。 (1) 半導体チップをFET以外のICチップ、ダイ
オードチップ等にすることができる。 (2) 導体層18を回路基板2に非固着の金属板から
成る導体層とすることができる。
[Modifications] The present invention is not limited to the above-described embodiment, and for example, the following modifications are possible. (1) The semiconductor chip can be an IC chip other than the FET, a diode chip, or the like. (2) The conductor layer 18 can be a conductor layer made of a metal plate that is not fixed to the circuit board 2.

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

【図1】本発明の実施例の混成集積回路の一部を示す平
面図である。
FIG. 1 is a plan view showing a part of a hybrid integrated circuit according to an embodiment of the present invention.

【図2】図1のA−A線の切断面を示す図である。FIG. 2 is a view showing a cross section taken along line AA of FIG. 1;

【図3】図1の混成集積回路の一部を示す底面図であ
る。
FIG. 3 is a bottom view showing a part of the hybrid integrated circuit of FIG. 1;

【図4】親基板の一部を示す平面図である。FIG. 4 is a plan view showing a part of a parent board.

【図5】親基板に図1の混成集積回路を装着した回路装
置の一部を示す平面図である。
FIG. 5 is a plan view showing a part of a circuit device in which the hybrid integrated circuit of FIG. 1 is mounted on a parent substrate.

【図6】図5のB−B線の切断面を示す図である。FIG. 6 is a view showing a cross section taken along line BB of FIG. 5;

【図7】図1の混成集積回路のための回路基板と接着シ
ートと金属シートを示す断面図である。
FIG. 7 is a sectional view showing a circuit board, an adhesive sheet, and a metal sheet for the hybrid integrated circuit of FIG. 1;

【図8】回路基板と接着シートと金属シートを一体化し
たものを示す断面図である。
FIG. 8 is a cross-sectional view showing a circuit board, an adhesive sheet, and a metal sheet integrated.

【図9】図8のものにスルーホールを形成したものを示
す断面図である。
FIG. 9 is a cross-sectional view showing a structure in which through holes are formed in the structure shown in FIG.

【図10】回路基板の一方及び他方の表面に所定パター
ンの導体層を形成したものを示す断面図である。
FIG. 10 is a cross-sectional view showing a circuit board in which a conductor layer having a predetermined pattern is formed on one surface and the other surface.

【符号の説明】[Explanation of symbols]

1 混成集積回路 2 回路基板 3 半導体素子 4 回路素子 5 一方の主面 6 放熱体 7 貫通孔 8 他方の主面 9 ろう材 10 半導体チップ 11〜17 導体層 18 第1の外部接続用導体層 19 第2の外部接続用導体層 20 第3の外部接続用導体層 REFERENCE SIGNS LIST 1 hybrid integrated circuit 2 circuit board 3 semiconductor element 4 circuit element 5 one main surface 6 radiator 7 through hole 8 the other main surface 9 brazing material 10 semiconductor chip 11 to 17 conductor layer 18 first external connection conductor layer 19 Second conductor layer for external connection 20 Third conductor layer for external connection

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 絶縁性回路基板と回路素子とを備えた回
路装置であって、 前記回路基板の一方の主面から他方の主面に至る貫通孔
が設けられており、 前記回路基板の一方の主面には前記回路素子を接続する
ための配線導体層が設けられており、 前記回路基板の他方の主面側に前記貫通孔を閉塞するよ
うに他方の主面側の導体層が配設されており、 前記回路素子が前記貫通孔の中に配置され且つ前記貫通
孔を閉塞している他方の主面側の導体層で支持されてお
り、 前記回路素子と前記回路基板の一方の主面上の前記配線
導体層とが導体で接続されている回路装置において、 前記他方の主面側の導体層は、前記絶縁性回路基板の他
方の主面に固着された金属シ−トと該金属シ−トにメッ
キされて成るメッキ層とから構成されており、前記他方
の主面側の導体層の肉厚は前記絶縁性回路基板の肉厚よ
りも小さいことを特徴とする回路装置。
1. A circuit device comprising an insulative circuit board and a circuit element, wherein a through hole is provided from one main surface of the circuit board to the other main surface thereof. A wiring conductor layer for connecting the circuit element is provided on the main surface of the circuit board, and a conductor layer on the other main surface side is arranged on the other main surface side of the circuit board so as to close the through hole. Wherein the circuit element is disposed in the through-hole and supported by a conductor layer on the other main surface that closes the through-hole, and one of the circuit element and the circuit board is provided. In a circuit device in which the wiring conductor layer on the main surface is connected by a conductor, the conductor layer on the other main surface is a metal sheet fixed to the other main surface of the insulating circuit board. And a plating layer formed by plating the metal sheet. A circuit device, wherein the thickness of the conductor layer on the main surface side is smaller than the thickness of the insulating circuit board.
【請求項2】 更に、前記絶縁性回路基板よりも大きな
面積の表面及び裏面を有する親基板を備えており、 前記親基板の表面に前記回路基板の前記他方の主面側の
導体層を接続するための導体層が形成されており、 前記親基板の前記導体層は前記絶縁性回路基板の前記他
方の主面側の導体層を介して前記貫通孔の実質的に全部
を覆うように形成されていることを特徴とする請求項1
記載の回路装置。
2. The semiconductor device according to claim 1, further comprising a parent substrate having a front surface and a rear surface having a larger area than the insulating circuit substrate, and connecting the conductor layer on the other main surface side of the circuit substrate to the front surface of the parent substrate. And the conductor layer of the mother board is formed so as to cover substantially the entire through hole via the conductor layer on the other main surface side of the insulating circuit board. 2. The method according to claim 1, wherein
The circuit device as described.
【請求項3】 一方の主面から他方の主面に至る貫通孔
を有し、前記一方の主面の第1の金属シ−トが貼り付け
られた絶縁性回路基板を用意する工程と、 前記回路基板よりも薄い第2の金属シ−トを用意し、前
記回路基板の前記他方の主面に対して前記貫通孔を閉塞
するように接着する工程と、 次に、メッキによって少なくとも前記第1及び第2の金
属シ−トの露出面に金属メッキ層を形成する工程と、 前記金属メッキ層を伴った前記第1の金属シ−トを所望
のパタ−ンにエッチングして配線導体層を形成する工程
と、 前記金属メッキ層を伴った前記第2の金属シ−トの前記
貫通孔を閉塞する部分の上に回路素子を配置する工程
と、 前記回路素子と前記配線導体層とを導体で接続する工程
とを有していることを特徴とする回路装置の製造方法。
3. A step of preparing an insulated circuit board having a through hole extending from one main surface to the other main surface and having the first metal sheet on the one main surface attached thereto. A step of preparing a second metal sheet thinner than the circuit board and bonding the second metal sheet to the other main surface of the circuit board so as to close the through-hole; Forming a metal plating layer on the exposed surfaces of the first and second metal sheets; and etching the first metal sheet with the metal plating layer into a desired pattern to form a wiring conductor layer. Forming a circuit element on a portion of the second metal sheet with the metal plating layer that closes the through hole; and forming the circuit element and the wiring conductor layer. And a step of connecting with a conductor. .
JP10100067A 1998-03-27 1998-03-27 Circuit device and method of manufacturing the same Expired - Fee Related JP3104749B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10100067A JP3104749B2 (en) 1998-03-27 1998-03-27 Circuit device and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10100067A JP3104749B2 (en) 1998-03-27 1998-03-27 Circuit device and method of manufacturing the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP7171406A Division JP3061102B2 (en) 1995-06-14 1995-06-14 Circuit device

Publications (2)

Publication Number Publication Date
JPH10247704A true JPH10247704A (en) 1998-09-14
JP3104749B2 JP3104749B2 (en) 2000-10-30

Family

ID=14264128

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10100067A Expired - Fee Related JP3104749B2 (en) 1998-03-27 1998-03-27 Circuit device and method of manufacturing the same

Country Status (1)

Country Link
JP (1) JP3104749B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009076750A (en) * 2007-09-21 2009-04-09 Daikin Ind Ltd Module
JP2013009017A (en) * 2012-10-12 2013-01-10 Daikin Ind Ltd Module
WO2016121340A1 (en) * 2015-01-29 2016-08-04 日本電気株式会社 High frequency module and method for manufacturing high frequency module
JP2017059757A (en) * 2015-09-18 2017-03-23 日本電気株式会社 Semiconductor device and semiconductor device manufacturing method
JP2018006463A (en) * 2016-06-29 2018-01-11 京セラ株式会社 Substrate for mounting semiconductor device and semiconductor device
JP2018073992A (en) * 2016-10-28 2018-05-10 京セラ株式会社 Semiconductor element mounting substrate and semiconductor device
WO2022145250A1 (en) * 2021-01-04 2022-07-07 ローム株式会社 Semiconductor apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009076750A (en) * 2007-09-21 2009-04-09 Daikin Ind Ltd Module
JP2013009017A (en) * 2012-10-12 2013-01-10 Daikin Ind Ltd Module
WO2016121340A1 (en) * 2015-01-29 2016-08-04 日本電気株式会社 High frequency module and method for manufacturing high frequency module
JP2017059757A (en) * 2015-09-18 2017-03-23 日本電気株式会社 Semiconductor device and semiconductor device manufacturing method
JP2018006463A (en) * 2016-06-29 2018-01-11 京セラ株式会社 Substrate for mounting semiconductor device and semiconductor device
JP2018073992A (en) * 2016-10-28 2018-05-10 京セラ株式会社 Semiconductor element mounting substrate and semiconductor device
WO2022145250A1 (en) * 2021-01-04 2022-07-07 ローム株式会社 Semiconductor apparatus

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