JPH0722896A - Surface acoustic wave generator and method for assembling the same - Google Patents

Surface acoustic wave generator and method for assembling the same

Info

Publication number
JPH0722896A
JPH0722896A JP15936793A JP15936793A JPH0722896A JP H0722896 A JPH0722896 A JP H0722896A JP 15936793 A JP15936793 A JP 15936793A JP 15936793 A JP15936793 A JP 15936793A JP H0722896 A JPH0722896 A JP H0722896A
Authority
JP
Japan
Prior art keywords
package
surface acoustic
acoustic wave
electrode
circuit element
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
JP15936793A
Other languages
Japanese (ja)
Inventor
Takahiro Nagano
孝浩 永野
Tadashi Kanda
正 神田
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.)
Kokusai Denki Electric Inc
Original Assignee
Kokusai 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 Kokusai Electric Co Ltd filed Critical Kokusai Electric Co Ltd
Priority to JP15936793A priority Critical patent/JPH0722896A/en
Publication of JPH0722896A publication Critical patent/JPH0722896A/en
Pending legal-status Critical Current

Links

Landscapes

  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To attain miniaturization and thinning by housing a surface acoustic wave element in the recessed part of a package inner bottom part, and connecting an electrode on the inner bottom part, the electrode of a circuit element arranged on a bottom part, and the electrode of the surface acoustic wave element by wireless bonding. CONSTITUTION:The surface acoustic wave element 3 is housed by providing with a recessed part 2 on the package 1 inner bottom part, and a circuit element 4 is arranged on the package 1 inner bottom part, and a package electrode 5 on the package 1 inner bottom part, the electrode 6 for use of package connection of the circuit element 4, the electrode 7 for surface acoustic wave element connection of the circuit element 4, and the electrode 8 of the surface acoustic wave element 3 are connected by wireless bonding. In other words, a bump 9 made of Au, etc., is formed on the electrodes 7, 8, and the connection of the circuit element 4 to the surface acoustic element 3 is performed, and the bump 9 made of Au, etc., is formed on the electrode 6 or 5, and the connection of the circuit element 4 to the package 1 is performed. Thereafter, a cap 10 is placed on the upper part of the package 1, then, it is sealed.

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、通信機器に用いられる
弾性表面波素子を収容した弾性表面波発生装置に関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface acoustic wave generator containing a surface acoustic wave element used in communication equipment.

【0002】[0002]

【従来の技術】図2は従来装置の1例を示す斜視図、図
3は同じくその縦断面図である。この従来例はパッケー
ジ1内底部に弾性表面波素子3を収容して導電樹脂接着
剤11で固定し、パッケージ電極5と弾性表面波素子3
の電極8をAu(金)あるいは、Al(アルミニウム)
のワイヤー12によりボンディング接続し、金属キャッ
プ10で封止してなる構成になっている。
2. Description of the Related Art FIG. 2 is a perspective view showing an example of a conventional device, and FIG. 3 is a vertical sectional view of the same. In this conventional example, the surface acoustic wave element 3 is housed in the bottom of the package 1 and fixed by a conductive resin adhesive 11, and the package electrode 5 and the surface acoustic wave element 3 are fixed.
Electrode 8 of Au (gold) or Al (aluminum)
The wire 12 is connected by bonding and is sealed with the metal cap 10.

【0003】[0003]

【発明が解決しようとする課題】しかしながら上記従来
例にあっては、ワイヤーボンディング接続のためのワ
イヤー12のループ形状に制約がありワイヤーループ自
体の高さがパッケージ1の薄型化の障害になっている。
ワイヤーボンディング接続のワイヤー12とキャップ
10の機械的・電気的接続を防ぐためにワイヤー12と
キャップ10との間にクリアランス(隙間)が必要にな
り小型化への障害になっている。Auあるいは、Al
のワイヤー12によるワイヤーボンディング接続が製品
価格の低減の障害になっている。
However, in the above-mentioned conventional example, the loop shape of the wire 12 for wire bonding connection is restricted, and the height of the wire loop itself becomes an obstacle to making the package 1 thinner. There is.
A clearance is required between the wire 12 and the cap 10 in order to prevent mechanical / electrical connection between the wire 12 and the cap 10, which is an obstacle to miniaturization. Au or Al
The wire bonding connection by the wire 12 is an obstacle to the reduction of the product price.

【0004】[0004]

【課題を解決するための手段】本発明は上記の課題を解
決するためになされたものであって、小型で薄型の安価
な表面弾性波発生装置を提供しようとするものである。
即ち、本発明装置は、パッケージ1内底部に凹部2を設
け、この凹部2に弾性表面波素子3を収容し、パッケー
ジ1内底部に回路素子4を配設し、パッケージ1内底部
のパッケージ電極5と回路素子4のパッケージ接続用電
極6及び回路素子4の弾性表面波素子接続用電極7と弾
性表面波素子3の電極8をそれぞれワイヤレスボンディ
ングで接続してなる。又、本発明方法はパッケージ1内
底部に配設される回路素子4の弾性表面波素子接続用電
極7又はパッケージ1内部に設けた凹部2に収容される
弾性表面波素子3の電極8上に金属バンプ9を形成して
両者を接続し、弾性表面波素子3を接続した回路素子4
のパッケージ接続用電極6又はパッケージ1のパッケー
ジ電極5上に金属バンプ9を形成して両者を接続するこ
とを特徴とする。
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a small-sized, thin and inexpensive surface acoustic wave generator.
That is, in the device of the present invention, the recess 2 is provided in the inner bottom of the package 1, the surface acoustic wave element 3 is housed in the recess 2, the circuit element 4 is disposed in the inner bottom of the package 1, and the package electrode of the inner bottom of the package 1 is provided. 5, the package connection electrode 6 of the circuit element 4, the surface acoustic wave element connection electrode 7 of the circuit element 4 and the electrode 8 of the surface acoustic wave element 3 are connected by wireless bonding. Further, the method of the present invention is carried out on the surface acoustic wave element connecting electrode 7 of the circuit element 4 arranged at the bottom of the package 1 or the electrode 8 of the surface acoustic wave element 3 accommodated in the recess 2 provided inside the package 1. A circuit element 4 in which a metal bump 9 is formed to connect the two, and a surface acoustic wave element 3 is connected.
The metal bumps 9 are formed on the package connecting electrodes 6 or the package electrodes 5 of the package 1 to connect them.

【0005】[0005]

【作 用】このようにパッケージ1内底部に凹部2を設
けて弾性表面波素子3を収容したこと、パッケージ1内
底部の電極5と該底部に配設した回路素子4の電極6及
び回路素子4の電極7と弾性表面波素子3の電極8をそ
れぞれワイヤレスボンディングにより接続したことによ
り回路素子4による機能回路を有している上、小型、薄
型にすることができ、製品価格を大幅に低減することが
できることになる。
[Operation] In this way, the concave portion 2 is provided in the inner bottom of the package 1 to accommodate the surface acoustic wave element 3, and the electrode 5 of the inner bottom of the package 1 and the electrode 6 of the circuit element 4 and the circuit element arranged on the bottom. By connecting the electrode 7 of 4 and the electrode 8 of the surface acoustic wave element 3 by wireless bonding, respectively, a functional circuit by the circuit element 4 is provided, and further, it can be made small and thin, and the product price is greatly reduced. You will be able to do it.

【0006】[0006]

【実施例】図1は本発明実施例の1実施例の構成を示す
縦断面図で、1はパッケージ、10は金属キャップであ
る。パッケージ1内底部に凹部2が設けられ、この凹部
2に弾性表面波素子3が収容されており、パッケージ1
内底部には回路を形成したSiチップやICチップ等の
回路素子4が配置されている。パッケージ1内底部のパ
ッケージ電極5と回路素子4のパッケージ接続用電極6
及び回路素子4の弾性表面波素子接続用電極7と弾性表
面波素子3の電極8がそれぞれAu等のバンプ9を形成
してワイヤレスボンディングで接続されている。
1 is a longitudinal sectional view showing the construction of one embodiment of the present invention, in which 1 is a package and 10 is a metal cap. A recess 2 is provided in the bottom of the package 1, and the surface acoustic wave element 3 is housed in the recess 2.
A circuit element 4 such as a Si chip or an IC chip on which a circuit is formed is arranged on the inner bottom portion. The package electrode 5 at the bottom of the package 1 and the package connection electrode 6 of the circuit element 4
Also, the surface acoustic wave element connecting electrode 7 of the circuit element 4 and the electrode 8 of the surface acoustic wave element 3 are connected by wireless bonding by forming bumps 9 of Au or the like.

【0007】上記の構成において、本実施例の組立てに
ついて説明する。まず、回路素子4の弾性表面波素子接
続用電極7あるいは弾性表面波素子3の電極8上にAu
等のバンプ9を形成し、回路素子4と弾性表面波素子3
の接続を行い、弾性表面波素子3を接続した回路素子4
のパッケージ接続用電極6もしくは、パッケージ1のパ
ッケージ電極5上にAu等のバンプ9を形成し、回路素
子4とパッケージ1の接続を行う。しかる後、金属の薄
板でできたキャップ10をパッケージ1上部に載せ封止
を行い、組立てを終了する(但し、接続強度の関係上、
補強のためチップ周囲に樹脂を塗布したり、又は封止を
キャップではなく樹脂等でコートする場合もある)。回
路素子4と弾性表面波素子3の接続、回路素子4とパッ
ケージ1の接続工法は、超音波加熱圧着又は半田等の金
属溶融や接着剤(導電性樹脂)等の方法により行われ
る。このようにパッケージ1内底部に凹部2を設けて弾
性表面波素子3を収容したこと、パッケージ1内底部の
電極5と該底部に配設した回路素子4の電極6及び回路
素子4の電極7と弾性表面波素子3の電極8をそれぞれ
ワイヤレスボンディングにより接続したことにより回路
素子4による機能回路を有している上、小型、薄型にす
ることができ、製品価格を大幅に低減することができる
ことになる。
The assembly of the present embodiment having the above structure will be described. First, Au is placed on the surface acoustic wave element connecting electrode 7 of the circuit element 4 or the electrode 8 of the surface acoustic wave element 3.
Bumps 9 are formed, and the circuit element 4 and the surface acoustic wave element 3 are formed.
Circuit element 4 to which surface acoustic wave element 3 is connected
The bumps 9 made of Au or the like are formed on the package connecting electrodes 6 or the package electrodes 5 of the package 1 to connect the circuit element 4 and the package 1. Thereafter, the cap 10 made of a thin metal plate is placed on the upper part of the package 1 and sealed, and the assembly is completed (however, due to the connection strength,
Resin may be applied around the chip for reinforcement, or sealing may be coated with resin or the like instead of the cap). The method of connecting the circuit element 4 and the surface acoustic wave element 3 and the method of connecting the circuit element 4 and the package 1 are performed by a method such as ultrasonic thermocompression bonding or metal melting such as soldering or an adhesive (conductive resin). Thus, the concave portion 2 is provided in the inner bottom portion of the package 1 to accommodate the surface acoustic wave element 3, the electrode 5 on the inner bottom portion of the package 1, the electrode 6 of the circuit element 4 and the electrode 7 of the circuit element 4 disposed on the bottom portion. By connecting the electrode 8 of the surface acoustic wave element 3 and the electrode 8 of the surface acoustic wave element 3 by wireless bonding, the circuit element 4 has a functional circuit and can be made small and thin, and the product price can be significantly reduced. become.

【0008】[0008]

【発明の効果】上述のように本発明によれば、パッケー
ジ1内底部に凹部2を設け、この凹部2に弾性表面波素
子3を収容し、パッケージ1内底部に回路素子4を配設
し、パッケージ1内底部のパッケージ電極5と回路素子
4のパッケージ接続用電極6及び回路素子4の弾性表面
波素子接続用電極7と弾性表面波素子3の電極8をそれ
ぞれワイヤレスボンディングで接続してなるので、パッ
ケージ1内底部の凹部2にパッケージ1内底部に凹部2
を設けて弾性表面波素子3を収容したこと、パッケージ
1内底部の電極5と該底部に配設した回路素子4の電極
6及び回路素子4の電極7と弾性表面波素子3の電極8
をそれぞれワイヤレスボンディングにより接続したこと
により回路素子4による機能回路を有している上、小
型、薄型にすることができ、製品価格を大幅に低減する
ことができる。
As described above, according to the present invention, the concave portion 2 is provided in the inner bottom portion of the package 1, the surface acoustic wave element 3 is accommodated in the concave portion 2, and the circuit element 4 is arranged in the inner bottom portion of the package 1. , The package electrode 5 on the inner bottom of the package 1, the package connecting electrode 6 of the circuit element 4, the surface acoustic wave element connecting electrode 7 of the circuit element 4 and the electrode 8 of the surface acoustic wave element 3 are connected by wireless bonding, respectively. Therefore, the recess 2 in the inner bottom of the package 1 is recessed in the inner bottom of the package 1.
Is provided to accommodate the surface acoustic wave element 3, the electrode 5 at the bottom of the package 1, the electrode 6 of the circuit element 4 and the electrode 7 of the circuit element 4 and the electrode 8 of the surface acoustic wave element 3 disposed at the bottom.
Since each of them is connected by wireless bonding, the circuit element 4 has a functional circuit and can be made small and thin, and the product price can be significantly reduced.

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

【図1】本発明装置の1実施例の構成を示す縦断面図で
ある。
FIG. 1 is a vertical cross-sectional view showing the configuration of an embodiment of the device of the present invention.

【図2】従来装置の1例を示す斜視図である。FIG. 2 is a perspective view showing an example of a conventional device.

【図3】同じくその縦断面図である。FIG. 3 is a vertical sectional view of the same.

【符号の説明】[Explanation of symbols]

1 パッケージ 2 凹部 3 弾性表面波素子 4 回路素子 5 パッケージ電極 6 パッケージ接続用電極 7 弾性表面波素子接続用電極 8 電極 1 Package 2 Recess 3 Surface Acoustic Wave Element 4 Circuit Element 5 Package Electrode 6 Package Connecting Electrode 7 Surface Acoustic Wave Element Connecting Electrode 8 Electrode

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 パッケージ(1)内底部に凹部(2)を
設け、この凹部(2)に弾性表面波素子(3)を収容
し、パッケージ(1)内底部に回路素子(4)を配設
し、パッケージ(1)内底部のパッケージ電極(5)と
回路素子(4)のパッケージ接続用電極(6)及び回路
素子(4)の弾性表面波素子接続用電極(7)と弾性表
面波素子(3)の電極(8)をそれぞれワイヤレスボン
ディングで接続してなる弾性表面波発生装置。
1. A recess (2) is provided in the inner bottom of the package (1), a surface acoustic wave element (3) is housed in the recess (2), and a circuit element (4) is placed in the inner bottom of the package (1). The package electrode (5) at the inner bottom of the package (1), the package connection electrode (6) of the circuit element (4), and the surface acoustic wave element connection electrode (7) of the circuit element (4) and the surface acoustic wave. A surface acoustic wave generator in which the electrodes (8) of the element (3) are connected by wireless bonding.
【請求項2】 パッケージ(1)内底部に配設される回
路素子(4)の弾性表面波素子接続用電極(7)又はパ
ッケージ(1)内部に設けた凹部(2)に収容される弾
性表面波素子(3)の電極(8)上に金属バンプ(9)
を形成して両者を接続し、弾性表面波素子(3)を接続
した回路素子(4)のパッケージ接続用電極(6)又は
パッケージ(1)のパッケージ電極(5)上に金属バン
プ(9)を形成して両者を接続することを特徴とする弾
性表面波発生装置の組立方法。
2. Elasticity housed in a surface acoustic wave device connecting electrode (7) of a circuit element (4) arranged at the bottom of the package (1) or in a recess (2) provided inside the package (1). Metal bumps (9) on the electrodes (8) of the surface acoustic wave element (3)
A metal bump (9) on the package connection electrode (6) of the circuit element (4) or the package electrode (5) of the package (1) in which the surface acoustic wave element (3) is connected by forming A method for assembling a surface acoustic wave generator, characterized in that the two are formed and connected to each other.
JP15936793A 1993-06-29 1993-06-29 Surface acoustic wave generator and method for assembling the same Pending JPH0722896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15936793A JPH0722896A (en) 1993-06-29 1993-06-29 Surface acoustic wave generator and method for assembling the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15936793A JPH0722896A (en) 1993-06-29 1993-06-29 Surface acoustic wave generator and method for assembling the same

Publications (1)

Publication Number Publication Date
JPH0722896A true JPH0722896A (en) 1995-01-24

Family

ID=15692293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15936793A Pending JPH0722896A (en) 1993-06-29 1993-06-29 Surface acoustic wave generator and method for assembling the same

Country Status (1)

Country Link
JP (1) JPH0722896A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892930A (en) * 2010-03-25 2013-01-23 三菱丽阳株式会社 Anodizing device, treatment tank, method for producing roll-shaped mold for imprinting, and method for producing article having plurality of protruding parts on surface
JP2019050478A (en) * 2017-09-08 2019-03-28 株式会社大真空 MEMS oscillator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892930A (en) * 2010-03-25 2013-01-23 三菱丽阳株式会社 Anodizing device, treatment tank, method for producing roll-shaped mold for imprinting, and method for producing article having plurality of protruding parts on surface
CN102892930B (en) * 2010-03-25 2015-10-21 三菱丽阳株式会社 The impression manufacture method of roll mould
JP2019050478A (en) * 2017-09-08 2019-03-28 株式会社大真空 MEMS oscillator

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