CN101640520B - Tuning fork type vibrating piece - Google Patents
Tuning fork type vibrating piece Download PDFInfo
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- CN101640520B CN101640520B CN2009100530204A CN200910053020A CN101640520B CN 101640520 B CN101640520 B CN 101640520B CN 2009100530204 A CN2009100530204 A CN 2009100530204A CN 200910053020 A CN200910053020 A CN 200910053020A CN 101640520 B CN101640520 B CN 101640520B
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Abstract
The invention provides a tuning fork type vibrating piece, which comprises two positioning parts and a vibrating area, wherein the vibrating area comprises a vibrating bottom clamped in the middle of the positioning parts, and the positioning parts are respectively provided with at least one through hole at the positions adjacent to the positioning parts; and two vibrating arms extending from the same side of the vibrating bottom. The structure design of the tuning-fork-type vibrating piece of the present invention can still have excellent electrical characteristics while being miniaturized in size.
Description
Technical field
The invention belongs to the vibrating reed technical field of oscillating device, particularly relate to a kind of tuning-fork-type vibrating reed.
Background technology
Along with electronic industry is flourish, the analog circuit epoch have been evolved into the accurate logic digital circuits epoch, and just become indispensable key component as the sequence circuit of logic digital circuits heart.In sequence circuit; Quartz oscillator is necessary key component; Its applicable scope is such as like information products such as consumer products, computer, hard disk such as digital TV, Game device, digital camera, wrist-watch, communication products such as mobile phone, radio telephone etc.Therefore, when various electronic products carry out evolution along with the hommization demand, how to make quartz oscillator meet the development of trend and have better running effect, become everybody anxious battalion battalion pursue.
The piezoelectric vibrator of tuning fork moulding is the wherein a kind of of the piezoelectric vibrator that uses of crystal oscillator.See also the 1st figure, the most original tuning-fork-type piezoelectric vibrator 10 has 12, two of base portions and gives prominence to the shaker arm 14 that forms by base portion respectively.Along with the demand of miniaturization, tuning-fork-type vibrating reed 10 is dwindling base portion 12 and is shortening under the processing procedure of shaker arm 14, with making the vertical composition of shaker arm 14 increase, causes the leakage of energy.Reflect this, another kind of tuning-fork-type piezoelectric vibrator 16 is suggested, and shown in the 2nd figure, it lies in base portion 18 and is formed with grooving 20, stops vibration transfer to base portion 18, and produce power is leaked.But this kind design still can't avoid vibration wave to transmit along the base portion that is connected with shaker arm 22 straight lines 18 in miniaturization demand following time, and overall length can't obtain reduction further in addition.
In view of this, the present invention satisfies the disappearance to above-mentioned prior art, proposes a kind of new tuning-fork-type vibrating reed of opening up, effectively to overcome these above-mentioned problems.
Summary of the invention
Technical problem to be solved by this invention provides a kind of when the size microminiaturization, still has a kind of tuning-fork-type vibrating reed of excellent electrical signal.
The technical solution adopted for the present invention to solve the technical problems is: a kind of tuning-fork-type vibrating reed is provided, and it includes: two location divisions, and a vibrating area, and it includes:
One vibration bottom is held in the middle of described two location divisions, and each forms at positioned adjacent portion place in described vibration bottom
At least one through hole is arranged; Two shaker arms are by a distolateral extension of described vibration bottom.
Described through hole is fastened adjacent described location division; The end of described vibration bottom aligns with the end of this location division; Described location division respectively is provided with a glue application region.
Described vibration bottom length in the horizontal direction is 190～230 microns, and described shaker arm length in the horizontal direction is 900～1500 microns, and described shaker arm is 30～80 microns in the length of vertical direction; Distance is 60～90 microns between the described shaker arm; Described location division length in the horizontal direction is 590～630 microns, is 70～90 microns in the length of vertical direction; Described through hole length in the horizontal direction is 80～120 microns, is 40～60 microns in the length of vertical direction.
Described tuning-fork-type vibrating reed, its length in the horizontal direction is 1090～1730 microns, thickness is 70～110 microns; Its material is quartzy; It is packaged in the housing, constitutes a piezoelectric device with group.
The end of described location division protrudes from the end of described vibration bottom.
Described through hole is fastened adjacent this location division; Described location division respectively is provided with two glue application regions, and the first is positioned at this location division end and protrudes from the position of described vibration bottom end.
Described vibration bottom length in the horizontal direction is 250 microns, and described shaker arm length in the horizontal direction is 1300～1800 microns, and described shaker arm is 80～120 microns in the length of vertical direction; Distance is 70～90 microns between the described shaker arm; Described location division length in the horizontal direction is 980～1020 microns, is 110～130 microns in the length of vertical direction; Described through hole length in the horizontal direction is 50～100 microns, is 90～110 microns in the length of vertical direction; The length that described location division end protrudes from this vibration bottom end is 50 microns.
Described tuning-fork-type vibrating reed, its length in the horizontal direction is 1600～2100 microns, thickness is 90～110 microns; Its material is quartzy; It is packaged in the housing, constitutes a piezoelectric device with group.
Beneficial effect
Invention proposes a kind of tuning-fork-type vibrating reed, and it can still have excellent electrical signal at the size microminiaturization.
Description of drawings
The 1st figure is the sketch map of prior art tuning-fork-type vibrating reed.
The 2nd figure is the sketch map of another kind of prior art tuning-fork-type vibrating reed.
The 3rd figure is the first embodiment sketch map of the present invention's tuning-fork-type vibrating reed.
The sketch map of the piezoelectric device that the 4th figure system is made up of the present invention's first embodiment.
The 5th figure is the variation emulation sketch map of tuning fork vibration sheet electrical signal when microminiaturization of the present invention's first embodiment and convention.
The 6th figure is the second embodiment sketch map of the present invention's tuning-fork-type vibrating reed.
The 7th figure is the vibration bottom of the present invention's tuning-fork-type vibrating reed when changing with the through hole horizontal length, the pairing electrical signal sketch map that makes a variation.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 3, it is the first embodiment sketch map of quartz tuning-fork type vibrating reed of the present invention's application concussion device.As shown in Figure 3, the present invention's tuning-fork-type vibrating reed 30 includes two location divisions 32, and its front end is provided with a glue application region 34, and is during for successive process that tuning-fork-type vibrating reed 30 is cemented in a housing 35, organizes and constitutes a piezoelectric device, shown in the 4th figure; And a vibrating area 36, its include one be held on 38 and two the 38 the same side extensions bottom vibration in vibration bottom in the middle of the location division 32 shaker arms 40.The end of location division 32 protrudes from vibration bottom 38 ends; And the part of protrusion is as another glue application region 42; Vibration bottom 38 respectively is formed with at least one through hole 44 at next-door neighbour 32 places, location division, the energy leakage that is caused when stoping vibration to be passed to the fixed part 32 of both sides by vibrating area 36.
In the above-described embodiments, the cross-directional length of tuning-fork-type vibrating reed 30 is 1600～2100 microns, and thickness is 90～110 microns.In addition, vibration bottom 38 length in the horizontal direction is 250 microns.Shaker arm 40 length in the horizontal direction is 1300～1800 microns, be 80～120 microns in the length of vertical direction, and spacing is 70～90 microns.Location division 32 length in the horizontal direction is 980～1020 microns, is 110～130 microns in the length of vertical direction.Through hole 44 length in the horizontal direction is 50～100 microns, is 90～110 microns in the length of vertical direction.As shown in Figure 5, it is the variation emulation sketch map of tuning fork vibration sheet electrical signal when facing microminiaturization of the present invention's first embodiment and convention.Bottom length shown in the figure is the outer part of total length deduction shaker arm that refers to the capable vibrating reed of tuning fork; That is to say the horizontal length of the base portion 12 shown in convention the 1st figure; The horizontal length of the substrate 18 of the 2nd figure, the horizontal length of the vibration bottom 38 shown in the 3rd figure.Convention tuning fork vibration sheet is when size reduction, and electrical signal can die down, but the present invention's tuning fork vibration sheet when microminiaturization, electrical signal can grow, presents corresponding variation tendency, therefore helps component miniaturization.
As shown in Figure 6, it is the second embodiment sketch map of the present invention's tuning-fork-type vibrating reed.As shown in the figure, the present invention's tuning-fork-type vibrating reed 46 includes two location divisions 48,48 ', and its front end is provided with a glue application region 50, and is during for successive process that tuning-fork-type vibrating reed 46 is cemented in a housing, organizes and constitutes a piezoelectric device; And a vibrating area 52, it includes the vibration bottom 54 that is held in the middle of the location division 48,48 '; And two shaker arms 56 by the same side extension of vibration bottom 54.Vibration bottom 54 ends of this embodiment align with location division 48,48 ' the end; At least one through hole 58 is located respectively to be formed with in next-door neighbour location division 48,48 ' in vibration bottom 54, with the energy leakage that stops vibration to be passed to the fixed part 48 of both sides, to be caused 48 ' time by vibrating area 52.
In the above-described embodiments, the cross-directional length of tuning-fork-type vibrating reed 46 is 1090～1730 microns, and thickness is 70～110 microns.In addition, vibration bottom 54 length in the horizontal direction is 190～230 microns.Shaker arm 56 length in the horizontal direction is 900～1500 microns, be 30～80 microns in the length of vertical direction, and spacing is 60～90 microns.Location division 48 length in the horizontal direction is 590～630 microns, is 70～90 microns in the length of vertical direction.Through hole 58 length in the horizontal direction is 80～120 microns, is 40～60 microns in the length of vertical direction.
As shown in Figure 7, it is the vibration bottom of tuning-fork-type vibrating reed of the present invention's second embodiment when changing with the through hole horizontal length, pairing electrical signal variation sketch map.As shown in the figure, to get in short-term when the horizontal length of vibration bottom, electrical signal will be strong more, and in addition, when the through hole horizontal length is long more, electrical signal will be strong more.
Claims (8)
1. tuning-fork-type vibrating reed, it includes: two location divisions, and a vibrating area; It is characterized in that; It includes: a vibration bottom, be held in the middle of described two location divisions, and described vibration bottom respectively is formed with at least one through hole at positioned adjacent portion place; Two shaker arms are by a distolateral extension of described vibration bottom.
2. a kind of tuning-fork-type vibrating reed according to claim 1 is characterized in that: described through hole is fastened adjacent described location division; The end of described vibration bottom aligns with the end of this location division; The front end of described location division respectively is provided with a glue application region.
3. a kind of tuning-fork-type vibrating reed according to claim 2; It is characterized in that: described vibration bottom length in the horizontal direction is 190～230 microns; Described shaker arm length in the horizontal direction is 900～1500 microns, and described shaker arm is 30～80 microns in the length of vertical direction; Distance is 60～90 microns between the described shaker arm; Described location division length in the horizontal direction is 590～630 microns, is 70～90 microns in the length of vertical direction; Described through hole length in the horizontal direction is 80～120 microns, is 40～60 microns in the length of vertical direction.
4. a kind of tuning-fork-type vibrating reed according to claim 2 is characterized in that: described tuning-fork-type vibrating reed, and its length in the horizontal direction is 1090～1730 microns, thickness is 70～110 microns; Its material is quartzy; It is packaged in the housing, constitutes a piezoelectric device with group.
5. a kind of tuning-fork-type vibrating reed according to claim 1 is characterized in that: the end of described location division protrudes from the end of described vibration bottom.
6. a kind of tuning-fork-type vibrating reed according to claim 5 is characterized in that: described through hole is fastened adjacent this location division; Described location division respectively is provided with two glue application regions, and the first is positioned at this location division end and protrudes from the position of described vibration bottom end.
7. a kind of tuning-fork-type vibrating reed according to claim 5; It is characterized in that: described vibration bottom length in the horizontal direction is 250 microns; Described shaker arm length in the horizontal direction is 1300～1800 microns, and described shaker arm is 80～120 microns in the length of vertical direction; Distance is 70～90 microns between the described shaker arm; Described location division length in the horizontal direction is 980～1020 microns, is 110～130 microns in the length of vertical direction; Described through hole length in the horizontal direction is 50～100 microns, is 90～110 microns in the length of vertical direction; The length that described location division end protrudes from this vibration bottom end is 50 microns.
8. a kind of tuning-fork-type vibrating reed according to claim 5 is characterized in that: described tuning-fork-type vibrating reed, and its length in the horizontal direction is 1600～2100 microns, thickness is 90～110 microns; Its material is quartzy; It is packaged in the housing, constitutes a piezoelectric device with group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100530204A CN101640520B (en) | 2009-06-12 | 2009-06-12 | Tuning fork type vibrating piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100530204A CN101640520B (en) | 2009-06-12 | 2009-06-12 | Tuning fork type vibrating piece |
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| Publication Number | Publication Date |
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| CN101640520A CN101640520A (en) | 2010-02-03 |
| CN101640520B true CN101640520B (en) | 2012-05-30 |
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| CN112910432A (en) * | 2021-03-29 | 2021-06-04 | 合肥晶威特电子有限责任公司 | Tuning fork type quartz crystal piezoelectric vibrating piece |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6724271B2 (en) * | 2001-03-02 | 2004-04-20 | Seiko Epson Corporation | Vibrating reed, vibrator, oscillator, and electronic device |
| JP2005318447A (en) * | 2004-04-30 | 2005-11-10 | Seiko Epson Corp | Piezoelectric vibrator, piezoelectric vibrator package structure and electronic device |
| CN1701508A (en) * | 2003-07-22 | 2005-11-23 | 株式会社大真空 | Tuning fork type vibrating piece, tuning fork type vibrator, and manufacturing method of tuning fork type vibrating piece |
| CN101425790A (en) * | 2003-05-16 | 2009-05-06 | 精工爱普生株式会社 | Tuning-fork-type piezoelectric resonator element and tuning-fork-type piezoelectric vibrator |
-
2009
- 2009-06-12 CN CN2009100530204A patent/CN101640520B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6724271B2 (en) * | 2001-03-02 | 2004-04-20 | Seiko Epson Corporation | Vibrating reed, vibrator, oscillator, and electronic device |
| CN101425790A (en) * | 2003-05-16 | 2009-05-06 | 精工爱普生株式会社 | Tuning-fork-type piezoelectric resonator element and tuning-fork-type piezoelectric vibrator |
| CN1701508A (en) * | 2003-07-22 | 2005-11-23 | 株式会社大真空 | Tuning fork type vibrating piece, tuning fork type vibrator, and manufacturing method of tuning fork type vibrating piece |
| JP2005318447A (en) * | 2004-04-30 | 2005-11-10 | Seiko Epson Corp | Piezoelectric vibrator, piezoelectric vibrator package structure and electronic device |
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| CN101640520A (en) | 2010-02-03 |
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Effective date of registration: 20210625 Address after: 315800 3-3-1, building F, 213 wanjingshan Road, Chaiqiao street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Jingchuang Technology Co.,Ltd. Address before: 315800 No. 189 West Mount Huangshan Road, Beilun District, Zhejiang, Ningbo Patentee before: TXC (NINGBO) Corp. |