CN203596802U - Quartz resonator with low phase noise shakeproof quartz crystal wafer - Google Patents
Quartz resonator with low phase noise shakeproof quartz crystal wafer Download PDFInfo
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- CN203596802U CN203596802U CN201320652454.8U CN201320652454U CN203596802U CN 203596802 U CN203596802 U CN 203596802U CN 201320652454 U CN201320652454 U CN 201320652454U CN 203596802 U CN203596802 U CN 203596802U
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Abstract
The utility model discloses a quartz resonator with a low phase noise shakeproof quartz crystal wafer, and relates to a quartz resonator. The quartz resonator comprises the quartz crystal wafer (1), and the quartz crystal wafer (1) is connected with a main electrode (6). The top surface (11) of the quartz crystal wafer (1) is connected with a first auxiliary electrode (51) and a first conductive electrode (3). The bottom surface (12) of the quartz crystal wafer (1) is connected with a second auxiliary electrode (52) and a second conductive electrode (3). The projection of the first auxiliary electrode (51) on the bottom surface (12) is in point symmetry arrangement with the second auxiliary electrode (52). The projection of the first conductive electrode (71) on the bottom surface (12) is in point symmetry arrangement with the second conductive electrode (72). The quartz resonator is simple in structure and convenient in use, the quartz crystal wafer which has relatively small diameter is used, not only structural stability of the quartz resonator is improved, but also external force resistance capability of the quartz resonator is improved.
Description
Technical field
The utility model relates to a kind of quartz resonator, specifically a kind of quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually.
Background technology
Fig. 1 is the structural representation of existing quartz wafer, and the auxiliary electrode of existing quartz wafer is and is arranged in parallel with vertical guide (z axle of the prior art).In practical work process, as in vibration processes, quartz wafer is vulnerable to the effect of external force, and above-mentioned external force and support mutually superpose and can affect the vibration of wafer wafer radial support power, thereby make the job insecurity of quartz resonator.
Summary of the invention
The purpose of this utility model is in order to overcome the weak point of background technology, and a kind of quartz resonator that contains the low antivibration quartz wafer of making an uproar is mutually provided.
To achieve these goals, the technical solution of the utility model is: the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually, comprise the quartz wafer that is arranged in pedestal top, it is characterized in that: the centre of the end face of described quartz wafer and the centre of bottom surface are all connected with main electrode; The first side of the end face of quartz wafer is connected with the first auxiliary electrode, between the bottom of the first auxiliary electrode and main electrode, be connected with the first conductive electrode, the second side of the bottom surface of quartz wafer is connected with the second auxiliary electrode, is connected with the second conductive electrode between the second auxiliary electrode and main electrode; Center take bottom surface between the projection of described the first auxiliary electrode on bottom surface and the second auxiliary electrode arranges as symmetrical centre is point symmetry, between the projection of described the first conductive electrode on described bottom surface and the second conductive electrode take the center of bottom surface as symmetrical centre is point symmetry layout; Angle α between top margin and the vertical guide of the second auxiliary electrode (52) is 32～38 °, and the angle β between base and the vertical guide of the second auxiliary electrode (52) is 22～28 °; Angle γ between top margin and the base of described the second conductive electrode (72) is 13～25 °.
In technique scheme, the utility model is simple in structure, easy to use, has adopted the quartz wafer of small diameter, has not only increased the structural stability of quartz resonator, and has improved the external force resistance ability of quartz resonator.
Angle between top margin and the vertical guide of the first auxiliary electrode is 35 °, and the angle between base and the vertical guide of the first auxiliary electrode is 25 °, and the angle between top margin and the base of described the first conductive electrode is 20 °.
The diameter of described main electrode is φ 4～φ 5.
The second side of the end face of described quartz wafer is connected with auxiliary electrode, the first side of the bottom surface of quartz wafer is connected with auxiliary electrode, the top and bottom of described auxiliary electrode are arranged symmetrically, and the angle between top margin and the vertical guide of auxiliary electrode is 18～23 °.
Angle between top margin and the vertical guide of described auxiliary electrode is 20 °.
This novel low antivibration quartz resonator of making an uproar is mutually made an uproar contrast in table 1, its vibration condition mutually with traditional high frequency overtone quartz resonator: scanning vibration: 4Hz～100Hz, acceleration 3.6g～13g.
Table 1 contrast table
In technique scheme, the utility model adopts brand-new electrode design and adjusting pole and electrode axis direction, improves the impact of external force on wafer vibration, thereby makes its impact minimum realize anti-vibration, and it makes an uproar lower mutually.
This Novel quartz crystal resonator tool has the following advantages: 1. adopt this kind of serpentine shape electrode and connected mode, crystal make an uproar mutually be improved significantly and strengthen crystal anti-vibration ability, 2. adopt small diameter wafer, increase stability, improve external force resistance ability, 3. adopt auxiliary electrode to increase bond area, strengthened adhesion firmness, improved the anti-vibrating and impact ability of quartz-crystal resonator.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of existing quartz wafer.
Fig. 3 is the front view of quartz wafer described in the utility model.
Fig. 4 is the perspective view of the bottom surface of quartz wafer described in the utility model.
1-quartz wafer in figure, the end face of 11-quartz wafer, the first side of the end face of 111-quartz wafer, the second side of the end face of 112-quartz wafer, the bottom surface of 12-quartz wafer, the first side of the bottom surface of 121-quartz wafer, the second side of the bottom surface of 122-quartz wafer, the center of the bottom surface of 13-quartz wafer, 2-pedestal, 3-shell, 4-conducting resinl, 51-the first auxiliary electrode, 52-the second auxiliary electrode, 6-main electrode, 71-the first conductive electrode, 72-the second conductive electrode, 8-auxiliary electrode, 9-support.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not form to restriction of the present utility model, only for example.Make advantage of the present utility model more know and easily understand by explanation simultaneously.
Consult accompanying drawing known: the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually, comprise the quartz wafer 1 that is arranged in pedestal 2 tops, it is characterized in that: the centre of the end face 11 of described quartz wafer 1 and the centre of bottom surface 12 are all connected with main electrode 6; The first side 111 of the end face 11 of quartz wafer 1 is connected with the first auxiliary electrode 51, between the bottom of the first auxiliary electrode 51 and main electrode 6, be connected with the first conductive electrode 71, the second side 122 of the bottom surface 12 of quartz wafer 1 is connected with between the second auxiliary electrode 52, the second auxiliary electrodes 52 and main electrode 6 and is connected with the second conductive electrode 72; Between the projection of described the first auxiliary electrode 51 on bottom surface 12 and the second auxiliary electrode 52, be point symmetry take 12 center 13, bottom surface as symmetrical centre and arrange, between the projection of described the first conductive electrode 71 on described bottom surface 12 and the second conductive electrode 72, be point symmetry layout take 12 center 13, bottom surface as symmetrical centre; Angle α between top margin and the vertical guide of the first auxiliary electrode 51 is 32～38 °, and the angle β between base and the vertical guide of the first auxiliary electrode 51 is 22～28 °; Angle γ between top margin and the base of described the first conductive electrode 71 is 13～25 °.
In practical work process, the utility model also comprises the quartz wafer 1 and the pedestal 2 that are sleeved on shell 3 inside, is connected with two spaced apart supports 9 on pedestal 2, and the two ends of quartz wafer 1 are connected with described support 9 respectively by conducting resinl 4.
Angle α between top margin and the vertical guide of the first auxiliary electrode 51 is 35 °, and the angle β between base and the vertical guide of the first auxiliary electrode 51 is 25 °, and the angle γ between top margin and the base of described the first conductive electrode 71 is 20 °.
The diameter of described main electrode 6 is φ 4～φ 5.
The second side 112 of the end face 11 of described quartz wafer 1 is connected with auxiliary electrode 8, the first side 121 of the bottom surface 12 of quartz wafer 1 is connected with auxiliary electrode 8, the top and bottom of described auxiliary electrode 8 are arranged symmetrically, and the angle δ between top margin and the vertical guide of auxiliary electrode 8 is 18～23 °.
Angle δ between top margin and the vertical guide of described auxiliary electrode 8 is 20 °.
The utility model is simple in structure, easy to use, has adopted the quartz wafer 1 of small diameter, has not only increased the structural stability of quartz resonator, and has improved the external force resistance ability of quartz resonator.
In practical work process, staff contrasts quartz wafer of the present utility model and existing quartz wafer, and the dimensional requirement of existing quartz wafer is as following table:
| φa | φe | H | e1 | e2 | Be suitable for frequency range f |
| 4.5 +0 -0.05 | 2.0-3.0 | 4.1 +0 -0.05 | 1.0±0.05 | 2.2±0.05 | Three overtones |
The dimensional requirement of quartz wafer of the present utility model is as following table:
| φa | φe | H | e1 | Be suitable for frequency range f |
| 4.5 +0 -0.05 | 2.0-3.0 | 4.1 +0 -0.05 | 0.5±0.05 | Three overtones |
These two kinds of wafers are compared, and are mainly that chip electrode is different, the suffered force direction difference of wafer in energising work.Novel wafer electrode has guaranteed that resonator is subject to external force (as vibration) impact less in energising work, has guaranteed that the output spectrum under harsh vibration condition is more stable simultaneously; And original conventional wafer electrode is subject to external force (as vibration) impact larger in energising work, make its output spectrum generation significant change.
Other unaccounted part all belongs to prior art.
Claims (5)
1. contain the quartz resonator of the low antivibration quartz wafer of making an uproar mutually, comprise the quartz wafer (1) that is arranged in pedestal (2) top, it is characterized in that:
The centre of the end face (11) of described quartz wafer (1) and the centre of bottom surface (12) are all connected with main electrode (6);
The first side (111) of the end face (11) of quartz wafer (1) is connected with the first auxiliary electrode (51), between the bottom of the first auxiliary electrode (51) and main electrode (6), be connected with the first conductive electrode (71), the second side (122) of the bottom surface (12) of quartz wafer (1) is connected with the second auxiliary electrode (52), between the second auxiliary electrode (52) and main electrode (6), is connected with the second conductive electrode (72);
Between the projection of described the first auxiliary electrode (51) on bottom surface (12) and the second auxiliary electrode (52), take bottom surface, the center (13) of (12) is arranged as symmetrical centre is point symmetry, and between the projection of described the first conductive electrode (71) on described bottom surface (12) and the second conductive electrode (72), take bottom surface, the center (13) of (12) is point symmetry layout as symmetrical centre;
Angle α between top margin and the vertical guide of the second auxiliary electrode (52) is 32～38 °, and the angle β between base and the vertical guide of the second auxiliary electrode (52) is 22～28 °; Angle γ between top margin and the base of described the second conductive electrode (72) is 13～25 °.
2. the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually according to claim 1, it is characterized in that: the angle α between top margin and the vertical guide of the first auxiliary electrode (51) is 35 °, angle β between base and the vertical guide of the first auxiliary electrode (51) is 25 °, and the angle γ between top margin and the base of described the first conductive electrode (71) is 20 °.
3. the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually according to claim 1, is characterized in that: the diameter of described main electrode (6) is φ 4～φ 5.
4. according to the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually described in any one claim in claims 1 to 3, it is characterized in that: the second side (112) of the end face (11) of described quartz wafer (1) is connected with auxiliary electrode (8), the first side (121) of the bottom surface (12) of quartz wafer (1) is connected with auxiliary electrode (8), the top and bottom of described auxiliary electrode (8) are arranged symmetrically, and the angle δ between top margin and the vertical guide of auxiliary electrode (8) is 18～23 °.
5. the quartz resonator that contains the low antivibration quartz wafer of making an uproar mutually according to claim 4, is characterized in that: the angle δ between top margin and the vertical guide of described auxiliary electrode (8) is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320652454.8U CN203596802U (en) | 2013-10-22 | 2013-10-22 | Quartz resonator with low phase noise shakeproof quartz crystal wafer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320652454.8U CN203596802U (en) | 2013-10-22 | 2013-10-22 | Quartz resonator with low phase noise shakeproof quartz crystal wafer |
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| Publication Number | Publication Date |
|---|---|
| CN203596802U true CN203596802U (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320652454.8U Withdrawn - After Issue CN203596802U (en) | 2013-10-22 | 2013-10-22 | Quartz resonator with low phase noise shakeproof quartz crystal wafer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560764A (en) * | 2013-10-22 | 2014-02-05 | 武汉海创电子股份有限公司 | Quartz resonator comprising low-phase-noise shock resistance quartz crystal wafer |
-
2013
- 2013-10-22 CN CN201320652454.8U patent/CN203596802U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560764A (en) * | 2013-10-22 | 2014-02-05 | 武汉海创电子股份有限公司 | Quartz resonator comprising low-phase-noise shock resistance quartz crystal wafer |
| CN103560764B (en) * | 2013-10-22 | 2017-04-19 | 武汉海创电子股份有限公司 | Quartz resonator comprising low-phase-noise shock resistance quartz crystal wafer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140514 Effective date of abandoning: 20170419 |
|
| AV01 | Patent right actively abandoned |