JP2001156571A - Cylindrical piezoelectric vibrator - Google Patents

Cylindrical piezoelectric vibrator

Info

Publication number
JP2001156571A
JP2001156571A JP33696599A JP33696599A JP2001156571A JP 2001156571 A JP2001156571 A JP 2001156571A JP 33696599 A JP33696599 A JP 33696599A JP 33696599 A JP33696599 A JP 33696599A JP 2001156571 A JP2001156571 A JP 2001156571A
Authority
JP
Japan
Prior art keywords
piezoelectric vibrator
cylindrical
cylindrical piezoelectric
solder
circuit board
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
JP33696599A
Other languages
Japanese (ja)
Inventor
Takamasa Tanaka
隆昌 田中
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.)
Miyota KK
Original Assignee
Miyota 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 Miyota KK filed Critical Miyota KK
Priority to JP33696599A priority Critical patent/JP2001156571A/en
Publication of JP2001156571A publication Critical patent/JP2001156571A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PROBLEM TO BE SOLVED: To suppress occurrence of defective soldering by forming lead wires for a cylindrical piezoelectric vibrator so as to stabilize the mount of the cylindrical piezoelectric vibrator compatible with a simple surface mount onto a printed circuit board. SOLUTION: The cylindrical piezoelectric vibrator is provided with solder that has a flat part to stabilize the cylindrical piezoelectric vibrator together with two lead members used for mounting the cylindrical piezoelectric vibrator onto the printed circuit board in the vicinity of a head top of a cylindrical seal tube being a component of the cylindrical piezoelectric vibrator that has the two lead members at least at its one end.

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】本発明は円筒型圧電振動子に
関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical piezoelectric vibrator.

【0002】[0002]

【従来の技術】図1は従来技術による円筒型圧電振動子
の斜視図である。2本のリード線1、絶縁部材2、円筒
型金属環3で構成される気密端子に圧電振動片(不図
示)を組立て、円筒型金属環3の外周に円筒型封止管4
を圧入したものである。前記円筒型圧電振動子のリード
線1を成形し簡易表面実装対応化した円筒型圧電振動子
は、自動機により回路基板に実装される。
2. Description of the Related Art FIG. 1 is a perspective view of a conventional cylindrical piezoelectric vibrator. A piezoelectric vibrating piece (not shown) is assembled on a hermetic terminal composed of two lead wires 1, an insulating member 2 and a cylindrical metal ring 3, and a cylindrical sealing tube 4 is provided around the outer periphery of the cylindrical metal ring 3.
Is press-fitted. The cylindrical piezoelectric vibrator which is formed by molding the lead wire 1 of the cylindrical piezoelectric vibrator and is adapted for simple surface mounting is mounted on a circuit board by an automatic machine.

【0003】図2は回路基板に円筒型圧電振動子を載置
した正面図(A)と上面図(B)である。回路基板5に
は、成形されたリード線1の先端部1aをはんだ付けす
るランド6、7と円筒型封止管4の頭頂部4aをはんだ
付けするランド8が形成されており、円筒型圧電振動子
は自動機によりランド位置にあわせて載置される。円筒
型封止管4の頭頂部4aをはんだ付けするのは、円筒型
封止管4をグランドに接続することにより円筒型圧電振
動子の電気的性能を安定化するのが主目的である。
FIG. 2 is a front view (A) and a top view (B) in which a cylindrical piezoelectric vibrator is mounted on a circuit board. On the circuit board 5, lands 6, 7 for soldering the tip 1a of the formed lead wire 1 and lands 8 for soldering the top 4a of the cylindrical sealing tube 4 are formed. The vibrator is mounted on the land position by an automatic machine. The main purpose of soldering the crown 4a of the cylindrical sealing tube 4 is to stabilize the electrical performance of the cylindrical piezoelectric vibrator by connecting the cylindrical sealing tube 4 to the ground.

【0004】[0004]

【発明が解決しようとする課題】図2のように載置した
状態での円筒型圧電振動子は、平坦な回路基板5の上に
円筒型封止管4の頭頂部4a下面と、2本のリード線1
の先端部1aによる3点で支持されているためはんだ付
けが終了するまで不安定な状態になり、搬送時やリーフ
ロー時に振動等で位置ずれが発生し易い。
The cylindrical piezoelectric vibrator mounted as shown in FIG. 2 comprises a flat circuit board 5 and a lower surface of the top 4a of a cylindrical sealing tube 4 and two lower piezoelectric vibrators. Lead wire 1
Are supported at three points by the tip portion 1a of the above, and are in an unstable state until the soldering is completed, and are likely to be displaced due to vibration or the like during conveyance or reflow.

【0005】円筒型封止管はメッキなしまたはニッケル
メッキが施されているが、はんだ付性が悪い。はんだメ
ッキをすればはんだ付性は良くなるが、円筒型封止管4
内部にもはんだがメッキされ、円筒型圧電振動子の電気
的性能を劣化させることがある。
[0005] The cylindrical sealing tube has no plating or nickel plating, but has poor solderability. Solder plating improves the solderability, but the cylindrical sealing tube 4
Solder may also be plated on the inside, thereby deteriorating the electrical performance of the cylindrical piezoelectric vibrator.

【0006】[0006]

【課題を解決するための手段】少なくとも一端部に2本
のリード部材を有する円筒型圧電振動子を構成する円筒
型封止管の頭頂部近傍に、円筒型圧電振動子を回路基板
に載置する際2本のリード部材とともに円筒型圧電振動
子を安定化する平面部を有するはんだを備えた円筒型圧
電振動子とする。
A cylindrical piezoelectric vibrator is mounted on a circuit board near the top of a cylindrical sealing tube constituting a cylindrical piezoelectric vibrator having at least one end portion with two lead members. At this time, the cylindrical piezoelectric vibrator is provided with solder having a flat portion for stabilizing the cylindrical piezoelectric vibrator together with the two lead members.

【0007】前記はんだは、回路基板に円筒型圧電振動
子が実装される時に溶融し、円筒型封止管と回路基板の
アース端子ランドとを接続固定する圧電型振動子とす
る。
The solder melts when the cylindrical piezoelectric vibrator is mounted on the circuit board, and forms a piezoelectric vibrator for connecting and fixing the cylindrical sealing tube and the ground terminal land of the circuit board.

【0008】[0008]

【発明の実施の形態】図3は本発明による円筒型圧電振
動子の斜視図である。円筒型封止管6の頭頂部付近に
は、平面部9aが形成されたはんだ9を備えている。
FIG. 3 is a perspective view of a cylindrical piezoelectric vibrator according to the present invention. Near the top of the cylindrical sealing tube 6, a solder 9 having a flat surface 9a is provided.

【0009】図4は回路基板に本発明による円筒型圧電
振動子を載置した正面図(A)と上面図(B)である。
回路基板5には成形されたリード線1の先端部1aをは
んだ付けするランド6、7と円筒型封止管4の頭頂部4
aをはんだ付けするランド8’が形成されており、円筒
型圧電振動子は自動機によりランド位置にあわせて載置
される。ランド6、7の上面には練りはんだ10が塗布
されている。
FIG. 4 is a front view (A) and a top view (B) of a cylindrical piezoelectric vibrator according to the present invention mounted on a circuit board.
On the circuit board 5, lands 6, 7 for soldering the tip 1a of the formed lead wire 1 and the top 4 of the cylindrical sealing tube 4 are provided.
A land 8 ′ for soldering “a” is formed, and the cylindrical piezoelectric vibrator is placed in accordance with the land position by an automatic machine. The dough solder 10 is applied to the upper surfaces of the lands 6 and 7.

【0010】はんだ9の平面部がアース端子ランド8’
の上面と密着するように2本のリード線1は成形されて
おり、円筒型圧電振動子は回路基板5上に安定した状態
で載置されている。
The flat part of the solder 9 is the ground terminal land 8 '.
The two lead wires 1 are formed so as to be in close contact with the upper surface of the substrate, and the cylindrical piezoelectric vibrator is stably mounted on the circuit board 5.

【0011】図4の状態でリフロー炉に投入すると練り
はんだ10及びはんだ9が溶融され、夫々のランドには
んだ付けされる。円筒型封止管6の頭頂部6a下面は、
はんだ9により容易にハンダ付けがなされる。
When put into a reflow furnace in the state of FIG. 4, the dough solder 10 and the solder 9 are melted and soldered to the respective lands. The lower surface of the top 6a of the cylindrical sealing tube 6 is
Soldering is easily performed by the solder 9.

【0012】次に円筒型封止管6の頭頂部6aにはんだ
9を形成する方法を説明する。図5は円筒型圧電振動子
製造時に使用されるキャリアの斜視図であり、完成した
円筒型圧電振動子が搭載されている。図ではキャリア1
1に5つの円筒型圧電振動子が搭載されており、そのリ
ード線1と円筒型封止管6が見えている。
Next, a method for forming the solder 9 on the top 6a of the cylindrical sealing tube 6 will be described. FIG. 5 is a perspective view of a carrier used for manufacturing a cylindrical piezoelectric vibrator, on which a completed cylindrical piezoelectric vibrator is mounted. In the figure, carrier 1
1, five cylindrical piezoelectric vibrators are mounted, and the lead wire 1 and the cylindrical sealing tube 6 can be seen.

【0013】図6から図7は、はんだ9を形成する工程
を説明するための図であり、図6は円筒型圧電振動子を
搭載したキャリアの図で(A)は図5の矢印方向から見
た正面図であり、(B)は左側面図である。図7は下枠
にキャリアをセットした正面図(A)と左側面図(B)
である。図8は更に上枠をセットした正面図(A)、左
側面図(B)及び上面図(C)である。
FIGS. 6 and 7 are views for explaining a step of forming the solder 9. FIG. 6 is a view of a carrier on which a cylindrical piezoelectric vibrator is mounted. FIG. 6A is a view from the direction of the arrow in FIG. It is the front view seen and (B) is a left view. Fig. 7 is a front view (A) and a left side view (B) with the carrier set in the lower frame.
It is. FIG. 8 is a front view (A), a left side view (B), and a top view (C) in which an upper frame is further set.

【0014】下枠12は、円筒型封止管6を位置決めす
る5つの溝12b、上枠13を位置決めするガイドピン
12a及びキャリア11を位置決めするガイドピン(不
図示)を備えている。上枠13は、ガイドピン12aに
より位置決め固定され、下枠12の溝12bと共同して
円筒型封止管6を包み込んでいる。円筒型封止管6の頭
頂部6a近傍に対応する部分には角穴13aが形成され
ている。
The lower frame 12 is provided with five grooves 12b for positioning the cylindrical sealing tube 6, a guide pin 12a for positioning the upper frame 13, and a guide pin (not shown) for positioning the carrier 11. The upper frame 13 is positioned and fixed by a guide pin 12a, and surrounds the cylindrical sealing tube 6 in cooperation with the groove 12b of the lower frame 12. A square hole 13a is formed in a portion corresponding to the vicinity of the top 6a of the cylindrical sealing tube 6.

【0015】角穴13aの上部より所定量の練りはんだ
を供給し、練りはんだ上部に、角穴13aより外形が小
さく、練りはんだに接触する部分が平坦な部材を載せ、
リフローしてはんだを冷却することによりはんだ9が形
成され、図3に示す円筒型圧電振動子が形成される。更
に、はんだの平面部9aを基準にしてリード線1を成形
すると図4(A)に示す円筒型圧電振動子が完成する。
A predetermined amount of kneaded solder is supplied from above the square hole 13a, and a member having a smaller outer shape than the square hole 13a and having a flat portion in contact with the kneaded solder is placed on the upper part of the kneaded solder.
The solder 9 is formed by cooling the solder by reflow, and the cylindrical piezoelectric vibrator shown in FIG. 3 is formed. Further, when the lead wire 1 is formed with reference to the flat surface portion 9a of the solder, the cylindrical piezoelectric vibrator shown in FIG. 4A is completed.

【0016】[0016]

【発明の効果】本発明によれば、円筒型圧電振動子を安
定化する平面部を有するはんだを備えたので、円筒型圧
電振動子のリード線を成形し簡易表面実装対応化した円
筒型圧電振動子でも、回路基板への実装が安定し、ハン
ダ付けの不具合発生が抑えられる。また、実装の速度を
早くすることができる。平面部を有するはんだの形成工
程は、円筒型圧電振動子の製造工程の最後に付加するこ
とができるので製造設備の追加で可能であり、製造工数
増にはならない。
According to the present invention, since the solder having the flat portion for stabilizing the cylindrical piezoelectric vibrator is provided, the cylindrical piezoelectric vibrator is formed into a lead wire of a cylindrical piezoelectric vibrator and is adapted for simple surface mounting. Even with the vibrator, the mounting on the circuit board is stable, and the occurrence of soldering problems is suppressed. Also, the mounting speed can be increased. Since the step of forming the solder having the flat portion can be added at the end of the step of manufacturing the cylindrical piezoelectric vibrator, it is possible to add manufacturing equipment, and the number of manufacturing steps is not increased.

【0017】円筒型封止管へのはんだメッキが必要無く
なり、円筒型圧電振動子の電気的特性を劣化することな
く円筒型封止管のはんだ付けができる。
The need for solder plating on the cylindrical sealing tube is eliminated, and the cylindrical sealing tube can be soldered without deteriorating the electrical characteristics of the cylindrical piezoelectric vibrator.

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

【図1】従来技術による円筒型圧電振動子の斜視図FIG. 1 is a perspective view of a conventional cylindrical piezoelectric vibrator.

【図2】回路基板に円筒型圧電振動子を載置した正面図
(A)と上面図(B)
FIG. 2 is a front view (A) and a top view (B) in which a cylindrical piezoelectric vibrator is mounted on a circuit board.

【図3】本発明による円筒型圧電振動子の斜視図FIG. 3 is a perspective view of a cylindrical piezoelectric vibrator according to the present invention.

【図4】回路基板に本発明による円筒型圧電振動子を載
置した正面図(A)と上面図(B)
FIG. 4 is a front view (A) and a top view (B) in which a cylindrical piezoelectric vibrator according to the present invention is mounted on a circuit board.

【図5】円筒型圧電振動子製造時に使用されるキャリア
の斜視図
FIG. 5 is a perspective view of a carrier used in manufacturing a cylindrical piezoelectric vibrator.

【図6】円筒型圧電振動子を搭載したキャリアの図で
(A)は図5の矢印方向から見た正面図であり、(B)
は左側面図
FIGS. 6A and 6B are views of a carrier on which a cylindrical piezoelectric vibrator is mounted, and FIG.
Is the left side view

【図7】下枠にキャリアをセットした正面図(A)と左
側面図(B)
FIG. 7 is a front view (A) and a left side view (B) of a carrier set in a lower frame.

【図8】上枠をセットした正面図(A)、左側面図
(B)及び上面図(C)
FIG. 8 is a front view (A), a left side view (B), and a top view (C) in which an upper frame is set.

【符号の説明】[Explanation of symbols]

1 リード線 1a リード線先端部 2 絶縁部材 3 円筒型金属環 4 円筒型封止管 4a 頭頂部 5 回路基板 6 ランド 7 ランド 8 ランド 8’ ランド 9 はんだ 9a はんだの平面部 10 練りはんだ 11 キャリア 12 上枠 12a ガイドピン 12b 溝 13 上枠 13a 角穴 DESCRIPTION OF SYMBOLS 1 Lead wire 1a Lead wire tip part 2 Insulating member 3 Cylindrical metal ring 4 Cylindrical sealing tube 4a Head 5 Circuit board 6 Land 7 Land 8 Land 8 'Land 9 Solder 9a Solder flat part 10 Solder 11 Carrier 12 Upper frame 12a Guide pin 12b Groove 13 Upper frame 13a Square hole

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 少なくとも一端部に2本のリード部材を
有する円筒型圧電振動子を構成する円筒型封止管の頭頂
部近傍に、円筒型圧電振動子を回路基板に載置する際2
本のリード部材とともに円筒型圧電振動子を安定化する
平面部を有するはんだを備えたことを特徴とする円筒型
圧電振動子。
When a cylindrical piezoelectric vibrator is mounted on a circuit board near a top of a cylindrical sealing tube constituting a cylindrical piezoelectric vibrator having at least one lead member at two ends.
A cylindrical piezoelectric vibrator comprising: solder having a flat portion for stabilizing the cylindrical piezoelectric vibrator together with the lead member.
【請求項2】 前記はんだは、回路基板に円筒型圧電振
動子が実装される時に溶融し、円筒型封止管と回路基板
のアース端子ランドとを接続固定することを特徴とする
請求項1記載の圧電型振動子。
2. The solder according to claim 1, wherein the solder melts when the cylindrical piezoelectric vibrator is mounted on the circuit board, and connects and fixes the cylindrical sealing tube to the ground terminal land of the circuit board. The piezoelectric vibrator according to the above.
JP33696599A 1999-11-29 1999-11-29 Cylindrical piezoelectric vibrator Pending JP2001156571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP33696599A JP2001156571A (en) 1999-11-29 1999-11-29 Cylindrical piezoelectric vibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP33696599A JP2001156571A (en) 1999-11-29 1999-11-29 Cylindrical piezoelectric vibrator

Publications (1)

Publication Number Publication Date
JP2001156571A true JP2001156571A (en) 2001-06-08

Family

ID=18304255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP33696599A Pending JP2001156571A (en) 1999-11-29 1999-11-29 Cylindrical piezoelectric vibrator

Country Status (1)

Country Link
JP (1) JP2001156571A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011109409A (en) * 2009-11-17 2011-06-02 Seiko Instruments Inc Package, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011109409A (en) * 2009-11-17 2011-06-02 Seiko Instruments Inc Package, piezoelectric vibrator, oscillator, electronic apparatus, and radio-controlled clock

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