JPS62200812A - Piezoelectric oscillation chip - Google Patents
Piezoelectric oscillation chipInfo
- Publication number
- JPS62200812A JPS62200812A JP4267286A JP4267286A JPS62200812A JP S62200812 A JPS62200812 A JP S62200812A JP 4267286 A JP4267286 A JP 4267286A JP 4267286 A JP4267286 A JP 4267286A JP S62200812 A JPS62200812 A JP S62200812A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric oscillation
- corner
- oscillation chip
- chip
- piezoelectric
- 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
Links
- 230000010355 oscillation Effects 0.000 title claims abstract description 21
- 230000032683 aging Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、圧電発振片に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a piezoelectric oscillation piece.
本発明は、圧電発振片において、各コーナー部に面取り
を行うことによって、カケ、クラックがなくなり、ｏｘ
特性、耐衝撃特性、エージング特性を向上させたもので
ある。The present invention eliminates chips and cracks by chamfering each corner of the piezoelectric oscillation piece, and eliminates oxidation.
It has improved characteristics, impact resistance, and aging characteristics.
従来の圧電発振片は、第２図（α）に示すように、チッ
プ型振動片１１の各コーナー部分は約９０°と、とがり
ていた。In the conventional piezoelectric oscillation piece, as shown in FIG. 2 (α), each corner portion of the chip-type vibrating piece 11 was pointed at about 90°.
しかし、従来の圧電発振片は、第２図Ｃｂ）のように圧
電発振片の加工の際に、各コーナー部の角に、カケ１２
．クラック１３が発生し、耐衝撃時の折れの原因、又Ｃ
１値を悪くする要因ともなっていた。更にエージング特
性は、±５ｐｐｍ／年程変変化し、信頼性を著しく低下
させるという問題点を有していた。However, in the conventional piezoelectric oscillation piece, when the piezoelectric oscillation piece is processed, as shown in FIG.
．． Cracks 13 occur, causing breakage during impact resistance, and C
It was also a factor that worsened the 1 value. Furthermore, the aging characteristics varied by about ±5 ppm/year, which caused a problem in that the reliability was significantly lowered.
そこで、本発明は従来のこのような問題点を解決するた
め、各コーナー部に面取りを設けることに°よって、カ
ケ、クラックをなくシ、信頼特性を向上させることを目
的としている。Therefore, in order to solve these conventional problems, the present invention aims to eliminate chips and cracks and improve reliability characteristics by chamfering each corner.
本発明の圧電発振片は、チップ型振動片の各コーナー部
に、５〜３０μｍ面取りを設けたことを特徴とする。The piezoelectric oscillation piece of the present invention is characterized in that each corner of the chip-type vibrating piece is chamfered by 5 to 30 μm.
本発明の上記の構成によれば、チップ型振動片の各コー
ナー部に５〜３０μｍ面取りを設けることで、加工の際
カケ、クラックがなくなり、高信頼性の圧電発振片が得
られる。According to the above configuration of the present invention, by providing a chamfer of 5 to 30 μm at each corner of the chip-type vibrating piece, chips and cracks are eliminated during processing, and a highly reliable piezoelectric oscillating piece can be obtained.
以下に本発明の実施例を図面にもとづいて説明する。第
１図（α）は圧電発振片の斜視図である、第１図＜ｂ）
は圧電発振片を３方向から見た断面図である。第１図（
α）（ｂ）に示すように、圧電発振片１の各コーナー部
に面とり２を設けることにより、カケ、クラックをなく
し耐衝撃特性において、単体落下１．２隅で全数折れな
い圧電発振片が作られた。又Ｃ１値は、１６ＭＨｚにお
いて１００±３Ω以下になった。更にエージング特性は
、±１２ｐｐｍ／年になり、それぞれ従来例と比較し飛
躍的に向上した。Embodiments of the present invention will be described below based on the drawings. Figure 1 (α) is a perspective view of the piezoelectric oscillation piece, Figure 1 <b)
2A and 2B are cross-sectional views of the piezoelectric oscillation piece viewed from three directions. Figure 1 (
α) As shown in (b), by providing chamfers 2 on each corner of the piezoelectric oscillating piece 1, chips and cracks are eliminated, and in terms of impact resistance, all piezoelectric oscillating pieces do not break when dropped 1.2 corners. was created. Moreover, the C1 value was 100±3Ω or less at 16MHz. Furthermore, the aging characteristics were ±12 ppm/year, which was a dramatic improvement compared to the conventional example.
本実施例では、各コーナー部において面とりを設けたが
、長辺方向のコーナー部にのみ面とりを設けても、同等
の効果は得られる。In this embodiment, chamfers are provided at each corner, but the same effect can be obtained even if chamfers are provided only at the corners in the long side direction.
本発明によれば、以上説明したように、チップ型振動片
の各コーナー部に５〜３０μ馬面取りを設けたことによ
りて、力・ケ、クラックをなくし、耐衝撃特性、ＣＩ特
性、エージング特性にすぐれた高信頼性の圧電発振片が
得られる。According to the present invention, as explained above, by providing a 5 to 30 μm chamfer on each corner of the chip-type vibrating piece, force, cracks, and cracks can be eliminated, and impact resistance, CI characteristics, and aging characteristics can be improved. A highly reliable piezoelectric oscillator piece can be obtained.
第１図（−）は本発明の圧電発振片の面取りを示す斜視
図。
＠１図（Ａ）、（イ）、（ロ）、（ハ）は面取り後の圧
電発振片の平面断面図、正面断面図、側面断面図。
第２図（α）は従来の圧電発振片の斜視図。
＃ｌ！２図Ｃｂ）は従来の圧電発振片のコーナー部にカ
ナ、クラックが生じた斜視図。
１・・・・・・・・・圧電発振片
２・・・・・・・・・面とり
１１・・・・・・圧電発振片
１２・・・・・・カ ケ
１３・・・・・・り２ツク
ｌ几宅ｊ！−勃り
第１図（α〕
（ｃ３）
（ノリ
第１図（ｂ）
第２図（ｂ）FIG. 1 (-) is a perspective view showing chamfering of the piezoelectric oscillation piece of the present invention. @1 Figures (A), (A), (B), and (C) are a plan sectional view, a front sectional view, and a side sectional view of the piezoelectric oscillation piece after chamfering. FIG. 2 (α) is a perspective view of a conventional piezoelectric oscillation piece. #l! Figure 2Cb) is a perspective view of a conventional piezoelectric oscillation piece with a corner and a crack. 1...Piezoelectric oscillation piece 2...Chamfer 11...Piezoelectric oscillation piece 12...Kake 13...・Ri 2 Tsuk l takuya j! -Erection Figure 1 (α) (c3) (Nori Figure 1 (b) Figure 2 (b)
Claims (1)
加工を施したことを特徴とする圧電発振片。A piezoelectric oscillation piece characterized in that each corner of the chip-type oscillation piece is chamfered by 5 to 30 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4267286A JPS62200812A (en) | 1986-02-27 | 1986-02-27 | Piezoelectric oscillation chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4267286A JPS62200812A (en) | 1986-02-27 | 1986-02-27 | Piezoelectric oscillation chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62200812A true JPS62200812A (en) | 1987-09-04 |
Family
ID=12642517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4267286A Pending JPS62200812A (en) | 1986-02-27 | 1986-02-27 | Piezoelectric oscillation chip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62200812A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025928U (en) * | 1988-06-23 | 1990-01-16 | ||
| JPH0211008A (en) * | 1988-06-29 | 1990-01-16 | Matsushita Electric Ind Co Ltd | Piezoelectric resonator |
| CN106537622A (en) * | 2014-07-23 | 2017-03-22 | 埃普科斯股份有限公司 | Piezoelectric transformer |
-
1986
- 1986-02-27 JP JP4267286A patent/JPS62200812A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH025928U (en) * | 1988-06-23 | 1990-01-16 | ||
| JPH0211008A (en) * | 1988-06-29 | 1990-01-16 | Matsushita Electric Ind Co Ltd | Piezoelectric resonator |
| CN106537622A (en) * | 2014-07-23 | 2017-03-22 | 埃普科斯股份有限公司 | Piezoelectric transformer |
| US10827599B2 (en) | 2014-07-23 | 2020-11-03 | Epcos Ag | Piezoelectric transformer |
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