JPS6239907A - Piezo-oscillator - Google Patents

Piezo-oscillator

Info

Publication number
JPS6239907A
JPS6239907A JP17975085A JP17975085A JPS6239907A JP S6239907 A JPS6239907 A JP S6239907A JP 17975085 A JP17975085 A JP 17975085A JP 17975085 A JP17975085 A JP 17975085A JP S6239907 A JPS6239907 A JP S6239907A
Authority
JP
Japan
Prior art keywords
lead
resin
lead terminals
piezoelectric vibrator
wire
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
JP17975085A
Other languages
Japanese (ja)
Inventor
Iwao Nakayama
中山 巖
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.)
Matsushima Kogyo KK
Original Assignee
Matsushima Kogyo KK
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 Matsushima Kogyo KK filed Critical Matsushima Kogyo KK
Priority to JP17975085A priority Critical patent/JPS6239907A/en
Publication of JPS6239907A publication Critical patent/JPS6239907A/en
Pending legal-status Critical Current

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  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To prevent contact of water content or conductive substance between lead terminal of a piezoelectric vibrator by cutting off the two lead terminals for the piezoelectric vibrator on the different peripheral face of a packaging resin. CONSTITUTION:Lead terminals 7, 8 are lead terminals used for a crystal oscillator 4, one terminal is connected to a semiconductor element 1 by an Au wire 2, the other terminal is connected prolongly to a lead frame outer edge 15 and a lead wire 4' of the crystal oscillator 4 is welded to an island 12 provided in the vicinity of a connection 11. The semiconductor element 1, the Au wire 2, a lead frame 3, the crystal oscillator 4 and the lead terminals 7, 8 are included in the inside of a resin 6 such as an epoxy resin formed by transfer molding, and after the transfer mold resin 6 is cured, the lead terminals 7, 8 for the crystal oscillator 4 are cut off respectively on the different peripheral faces 13, 14 of the transfer mold resin 6.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、圧電振動子と発振回路とを同一パッケージ内
に収納した圧電発振器に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a piezoelectric oscillator in which a piezoelectric vibrator and an oscillation circuit are housed in the same package.

〔発明の概要〕[Summary of the invention]

本発明は、圧電発振器において圧電振動子を発振させる
機能を有した半導体素子と、半導体素子と金属細線でワ
イヤーボンディング接続されたリード端子と、リード端
子の内の2本の圧電振動子接続用リード端子に電気的接
続された圧電振動子とが樹脂によってパッケージングさ
れており、2本の圧電振動子接続用リード端子が、パッ
ケージングされた樹脂の各々異なる外周面上で切断され
ていることにより、各々の圧電振動子接続用リード端子
間の、水分あるいは導電物質の接触等を防ぎ、信頼性を
向上したものである。
The present invention provides a piezoelectric oscillator with a semiconductor element having a function of oscillating a piezoelectric vibrator, a lead terminal connected to the semiconductor element by wire bonding with a thin metal wire, and two leads for connecting the piezoelectric vibrator among the lead terminals. The piezoelectric vibrator electrically connected to the terminal is packaged with resin, and the two lead terminals for connecting the piezoelectric vibrator are cut on different outer peripheral surfaces of the packaged resin. , the reliability is improved by preventing moisture or conductive substances from coming into contact with each other between the piezoelectric vibrator connection lead terminals.

〔従来の技術〕[Conventional technology]

従来の圧電発振器の構成を水晶振動子を用いた水晶発振
器を例として第2図(a) 、 (1))に示す。第2
図(a)は平面図、第2図価)は正面断面図であり、半
導体素子21と前記半導体21と金属細線22(本例で
はAu細線)によりワイヤーボンディング接続されたリ
ード端子2Sがトランスファーモールド樹脂25でパッ
ケージングされている。この時水晶振動子24の固着位
置は、予めトランスファーモールド型によって中空状態
になっており、トランスファーモールド樹脂の硬化後、
前記中空部に水晶振動子24を投入して水晶振動子接続
用リード端子23′に半田付は等で電気的接続をとり、
残りの中空部はエポキシ樹脂等をボッティングにより充
填して硬化、封止しである。ここで水晶振動子接続用リ
ード端子23′はトランスファーモールド樹脂25内部
での保持が不可能なため外部においてリードフレーム外
縁部26に接続保持されていたものをトランスファーモ
ールド樹脂25の硬化後にトランスファーモールド樹脂
25の同一外周面上で切断され、絶縁性の樹脂27でコ
ーティングされている。
The configuration of a conventional piezoelectric oscillator is shown in FIGS. 2(a) and 2(1)), taking as an example a crystal oscillator using a crystal resonator. Second
Figure (a) is a plan view, and Figure 2) is a front sectional view, in which the semiconductor element 21 and the lead terminal 2S connected by wire bonding to the semiconductor 21 and the metal wire 22 (in this example, an Au wire) are transferred and molded. It is packaged with resin 25. At this time, the fixed position of the crystal oscillator 24 is made hollow by the transfer molding mold in advance, and after the transfer molding resin hardens,
The crystal resonator 24 is inserted into the hollow part, and an electrical connection is made by soldering or the like to the crystal resonator connection lead terminal 23'.
The remaining hollow space is filled with epoxy resin or the like by botting, hardened, and sealed. Here, since the lead terminal 23' for connecting the crystal resonator cannot be held inside the transfer mold resin 25, it is connected and held outside to the outer edge part 26 of the lead frame. It is cut on the same outer peripheral surface of 25 and coated with an insulating resin 27.

〔発明が解決しようとする問題点及び目的〕しかし前述
の従来技術では、切断された2本の水晶振動子接続用リ
ード端子がトランスファーモールド樹脂の同一外周面上
に近接しであるため、導電体(例えば金属、水分等〕に
よってショートやリークが生じ易く、発振異常の要因と
なっており、解決策として絶縁、耐水性の樹脂等をコー
ティング加工する必要があり、加工工数が増す、コーテ
ィングによるトランスファーモールド樹脂外形形状の不
均一による自動挿入機等への使用が困難等の問題点を有
していた。
[Problems and objects to be solved by the invention] However, in the above-mentioned prior art, since the two cut lead terminals for connecting the crystal resonator are close to each other on the same outer peripheral surface of the transfer mold resin, the conductor (For example, metal, moisture, etc.) can easily cause short circuits and leaks, which can cause oscillation abnormalities.As a solution, it is necessary to coat with insulating, water-resistant resin, etc., which increases the number of processing steps and transfers due to coating. It has had problems such as difficulty in using it in automatic insertion machines etc. due to non-uniformity of the outer shape of the molded resin.

そこで本発明は、このような問題点を解決しようとする
もので、その目的とするところは、絶縁、耐水用のコー
ティングを無くすことによって、加工工数の低減、外形
々状の均一化を実現し、安価でしかも自動挿入機等の自
動化が可能な圧電発振器を提供することにある。
Therefore, the present invention aims to solve these problems, and its purpose is to reduce the number of processing steps and achieve a uniform external shape by eliminating the need for insulation and water-resistant coatings. The object of the present invention is to provide a piezoelectric oscillator that is inexpensive and can be automated in automatic insertion machines and the like.

〔問題点を解決するための手段〕[Means for solving problems]

本発明の圧電発振器は圧電振動子を発振させる機能を有
した半導体素子と、半導体素子と金属細線でワイヤーボ
ンディング接続されたリード端子と、リード端子の内の
2本の圧電振動子接続用リード端子に電気的接続された
圧電振動子とが、樹脂によってパッケージングされてお
り、2本の圧電振動子接続用リード端子がパッケージン
グされた樹脂の各々異なる外周面上で切断されているこ
とを特徴とする。
The piezoelectric oscillator of the present invention includes a semiconductor element having a function of oscillating a piezoelectric vibrator, a lead terminal connected to the semiconductor element by wire bonding with a thin metal wire, and two lead terminals for connecting the piezoelectric vibrator among the lead terminals. A piezoelectric vibrator electrically connected to the piezoelectric vibrator is packaged with resin, and two lead terminals for connecting the piezoelectric vibrator are cut on different outer peripheral surfaces of the packaged resin. shall be.

〔実施例〕〔Example〕

本発明圧電発振器の実施例を水晶振動子を用いた水晶発
振器を例として第1図(a)、第1図(b)に示し説明
する。第1図(a)は平面図、第1図(b)は正面断面
図であり、水晶振動子も発振させる機能を有した半導体
素子1が金属薄板等から成るリードフレーム3上に接着
され金属細線として本例ではAuワイヤー2によりワイ
ヤーボンディング接続されて各リード端子7,8,9.
10(リード端子は他にも数本〜数十本あるが本説明で
は省略する〕に接続されている。リード端子7.8は水
晶振動子4との接続用リード端子であ)、−万端はAu
ワイヤー2によって半導体素子1と接続されており、池
の一方端はリードフレーム外縁部15に延長接続されて
おり接続部11の近接箇所に設けであるアイランド12
に水晶振動子4のリード線4′が溶接等により固着され
ている。以上述べた半導体素子1、Auワイヤー2、リ
ードフレーム3、水晶振動子4、リード端子7,8等は
エボキシ樹脂等のトランスファーモールドによって成形
された樹脂乙の内部に包含されており、トランスファー
モールド樹脂乙の硬化後、水晶振動子4の接続用リード
端子7,8は、トランスファーモールド樹脂6の異なる
外周面1!S、14上で各々切断されている。ここで水
晶振動子接続用リード端子はリードフレーム状態で予め
各々異なるトランスファーモールド樹脂の外周面上で切
断可能なリード端子配置となっている。
An embodiment of the piezoelectric oscillator of the present invention will be described with reference to FIGS. 1(a) and 1(b), taking a crystal oscillator using a crystal resonator as an example. FIG. 1(a) is a plan view, and FIG. 1(b) is a front sectional view, in which a semiconductor element 1, which also has the function of oscillating a crystal resonator, is bonded to a lead frame 3 made of a thin metal plate or the like. In this example, thin wires are connected by wire bonding using Au wires 2 to each lead terminal 7, 8, 9 .
10 (there are several to dozens of other lead terminals, but they are omitted in this explanation). The lead terminals 7 and 8 are lead terminals for connection with the crystal resonator 4), - all ends are connected. is Au
It is connected to the semiconductor element 1 by a wire 2, and one end of the pond is extended and connected to the outer edge part 15 of the lead frame, and an island 12 is provided near the connection part 11.
A lead wire 4' of the crystal oscillator 4 is fixed by welding or the like. The semiconductor element 1, Au wire 2, lead frame 3, crystal oscillator 4, lead terminals 7, 8, etc. described above are contained inside a resin B molded by transfer molding such as epoxy resin. After hardening, the connection lead terminals 7 and 8 of the crystal resonator 4 are connected to different outer peripheral surfaces 1! of the transfer mold resin 6! S, 14 are each cut. Here, the lead terminals for connecting the crystal resonator are arranged in advance so that they can be cut on the outer circumferential surface of each different transfer mold resin in a lead frame state.

さらに本発明の圧電発振器は実施例に示す水晶振動子を
用いた水晶発振器に限らず、タンタル酸リチウム振動子
、モリブデン酸リチウム振動子、セラミック振動子等を
用いた発振器でもよい。
Further, the piezoelectric oscillator of the present invention is not limited to the crystal oscillator using the crystal resonator shown in the embodiment, but may also be an oscillator using a lithium tantalate resonator, a lithium molybdate resonator, a ceramic resonator, or the like.

〔発明の効果〕〔Effect of the invention〕

以上述べたように本発明の圧電発振器によれば、圧電振
動子接続用リード端子の切断位置が遠くなって、導電材
が接触しにくくなシ、リーク、ショートが防止でき、従
来行なわれていた樹脂゛によるコーティング作業が不要
となるため、加工工数の低減が可能となカ、さらに外形
々状が均一化されて、自動挿入機等の直円が可能となり
、安価でしかも自動挿入機等の自動機の使用可能な圧゛
鑞発振器を提供・することができる。
As described above, according to the piezoelectric oscillator of the present invention, the cutting position of the lead terminal for connecting the piezoelectric vibrator is moved far away, making it difficult for the conductive material to come into contact with the piezoelectric oscillator. Since coating work with resin is not required, it is possible to reduce the number of processing steps, and the outer shape is made uniform, making it possible to create a right circle for automatic insertion machines, etc., which is inexpensive and easy to use for automatic insertion machines, etc. We can provide a pressure oscillator that can be used in automatic machines.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図(a) 、 (b)は本発明の圧電発振器の一実
施例としての水晶発振器を示す。(a)は平面図、(b
)は正面断面図。 1・・・半導体素子 2・・・Auワイヤー 3・・・
リードフレーム 4・・・水晶振動子 4′・・・水晶
振動子のリード線 6・・・成形されたトランスファー
モールド樹脂 7,8・・・水晶振動子接続用リード端
子9.10・・・リード端子 11・・・接続部 12
・・・水晶振動子固着用アイランド 15.14・・・
トランスファーモールド樹脂外周面 15.16・・・
リードフレーム外縁部 第2図(a) 、 (b)は従来の圧電発振器の一実施
例としての水晶発振器を示す。(a)は平面図、(b)
は正面断面図。 じ1面の浄書(内容に変更なし) 7’r4g ”l& il g−の6W’a(f @ 
lq第1図(シ) イ刈しヤ め っ’fc:v”fe千辰ンレ ハ ’J
t鷺] )シ0第2図(α) 牲1σ 、A 4くム lン5丁ルレ 11の 旺rh
吋南七〇第2図(り 手続補正書 昭和 60r  12月2θ日 J、事件の表示 昭和60年   特許願 第179750号Z発明の名
称 圧電発振器 3、補正をする者 昭和60年11月26日  −5− 8補正の内容
FIGS. 1(a) and 1(b) show a crystal oscillator as an embodiment of the piezoelectric oscillator of the present invention. (a) is a plan view, (b)
) is a front sectional view. 1... Semiconductor element 2... Au wire 3...
Lead frame 4... Crystal resonator 4'... Lead wire of crystal resonator 6... Molded transfer mold resin 7, 8... Lead terminal for connecting crystal resonator 9.10... Lead Terminal 11...Connection part 12
・・・Crystal resonator fixing island 15.14...
Transfer mold resin outer peripheral surface 15.16...
The outer edge of the lead frame in FIGS. 2(a) and 2(b) shows a crystal oscillator as an example of a conventional piezoelectric oscillator. (a) is a plan view, (b)
is a front sectional view. Engraving of the same page (no change in content) 7'r4g ``l&il g-'s 6W'a (f @
lqFig.
t heron] ) し0 fig. 2 (α) sacrifice 1σ, A 4 kum lun 5 cho rele 11 o rh
Gonan 70 Figure 2 (Procedural amendment 1985 r December 2θ J, Case indication 1985 Patent application No. 179750 Z Name of invention Piezoelectric oscillator 3, Person making the amendment November 26, 1985 -5- Contents of amendment 8

Claims (1)

【特許請求の範囲】[Claims] 圧電振動子を発振させる機能を有した半導体素子と、前
記半導体素子と金属細線でワイヤーボンディング接続さ
れたリード端子と、前記リード端子の内の2本の圧電振
動子接続用リード端子に電気的接続された圧電振動子樹
脂によってパッケージングされており、前記2本の圧電
振動子接続用リード端子が前記パッケージングされた樹
脂の各々異なる外周面上で切断されていることを特徴と
する圧電発振器。
A semiconductor element having a function of oscillating a piezoelectric vibrator, a lead terminal connected to the semiconductor element by wire bonding with a thin metal wire, and electrical connection to two of the lead terminals for connecting the piezoelectric vibrator. 1. A piezoelectric oscillator characterized in that the piezoelectric oscillator is packaged with a piezoelectric vibrator resin, and the two piezoelectric vibrator connection lead terminals are cut on different outer peripheral surfaces of the packaged resin.
JP17975085A 1985-08-15 1985-08-15 Piezo-oscillator Pending JPS6239907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17975085A JPS6239907A (en) 1985-08-15 1985-08-15 Piezo-oscillator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17975085A JPS6239907A (en) 1985-08-15 1985-08-15 Piezo-oscillator

Publications (1)

Publication Number Publication Date
JPS6239907A true JPS6239907A (en) 1987-02-20

Family

ID=16071217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17975085A Pending JPS6239907A (en) 1985-08-15 1985-08-15 Piezo-oscillator

Country Status (1)

Country Link
JP (1) JPS6239907A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916413A (en) * 1987-11-20 1990-04-10 Matsushima Kogyo Kabushiki Kaisha Package for piezo-oscillator
US5229640A (en) * 1992-09-01 1993-07-20 Avx Corporation Surface mountable clock oscillator module

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034049A (en) * 1983-08-05 1985-02-21 Nec Corp Built-in capacitor type semiconductor device and manufacture thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6034049A (en) * 1983-08-05 1985-02-21 Nec Corp Built-in capacitor type semiconductor device and manufacture thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4916413A (en) * 1987-11-20 1990-04-10 Matsushima Kogyo Kabushiki Kaisha Package for piezo-oscillator
US5229640A (en) * 1992-09-01 1993-07-20 Avx Corporation Surface mountable clock oscillator module

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