CN202424646U - Quartz resonator - Google Patents
Quartz resonator Download PDFInfo
- Publication number
- CN202424646U CN202424646U CN2011205681241U CN201120568124U CN202424646U CN 202424646 U CN202424646 U CN 202424646U CN 2011205681241 U CN2011205681241 U CN 2011205681241U CN 201120568124 U CN201120568124 U CN 201120568124U CN 202424646 U CN202424646 U CN 202424646U
- Authority
- CN
- China
- Prior art keywords
- groove
- upper groove
- lower groove
- low
- quartz resonator
- 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.)
- Expired - Lifetime
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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
The utility model discloses a quartz resonator which comprises a substrate. The front side of the substrate is provided with an upper groove and a lower groove, wherein the upper groove and the lower groove are distributed in a layered; the upper groove is used for mounting a quartz wafer; the lower groove is used for mounting a thermistor; the lower groove is positioned right below the upper groove and is communicated with the upper groove; the length of the upper groove is greater than that of the lower groove; both the upper groove and the lower groove are of a rectangular shape; an inner electrode connected with a wafer pin is arranged in the upper groove; a middle electrode connected with a thermistor pin is arranged in the lower groove; the plane on which the upper groove is positioned is parallel to the plane on which the lower groove is positioned; the lower groove is inclined relative to the upper groove; and an angle formed between the center line of the upper groove and the center line fo the lower groove is in the range of 30 to 60 degrees. According to the utility model, the lower groove is rotated by a certain angle on the corresponding plane, so that the lower groove is inclined by a certain angle relative to the upper groove, and thus, the resonance and the interference are prevented from being generated; and experiments prove that due to the adoption of the structure of the quartz resonator, the working stability of the quartz resonator is improved than before.
Description
Technical field
The utility model relates to quartz resonator, relates in particular to a kind of SMD quartz resonator.
Background technology
SMD quartz resonator core position is exactly piezolectric crystal unit (quartz wafer) and temperature-sensing element (device) (thermistor), and mounting base is as one of of paramount importance component parts wherein, and manufacturing and designing of it is just particularly important.
Have upper groove that mounts quartz wafer and the low groove that mounts thermistor in the substrate of existing SMD quartz resonator; Usually the side at upper groove is provided with the interior electrode that links to each other in order to the wafer pin; Be provided with the support portion at opposite side, be provided with the middle electrode that links to each other in order to thermistor pin electrode in a side of low groove, in use; The discovery resonator works is unstable; Tracing it to its cause, is because upper and lower groove is provided with along same direction, so quartz wafer and thermistor can produce each other and resonate and interference.
Summary of the invention
The utility model is to the deficiency that exists in the above-mentioned prior art, provides a kind of avoiding to produce the quartz resonator of mutual interference mutually between quartz wafer and the thermistor.
The technical scheme of the utility model is achieved in that
A kind of quartz resonator; Include substrate, be provided with the upper groove and the low groove that is used to mount thermistor that are used to mount quartz wafer that level distributes in the front of substrate, low groove be in upper groove under and connect with upper groove; The length of upper groove is greater than the length of low groove; The shape of upper groove and low groove is rectangle, in upper groove, is provided with the interior electrode of connecting wafer pin, in low groove, is provided with the middle electrode that connects the thermistor pin; The residing plane parallel of upper groove is in the residing plane of low groove, and low groove is 30～60 degree with respect to the center line of upper groove inclination and upper groove and the center line angulation of low groove.
As preferably, the center line angulation of the center line of upper groove and low groove is 45 degree.
Adopted the beneficial effect of the utility model of technique scheme to be:
The utility model has reversed certain angle with low groove on its residing plane; Make low groove with respect to the upper groove certain angle that tilts, prevent to produce resonance and disturb, through practical proof; Adopted the structure of the utility model, the quartz resonator job stability had had raising more in the past.
Description of drawings
Fig. 1 is the internal structure sketch map of quartz resonator among the utility model embodiment;
Fig. 2 is the positive structural representation of pedestal.
Embodiment
The embodiment of the utility model is following:
Embodiment: like Fig. 1, shown in 2; A kind of quartz resonator; Include substrate 1, be provided with the upper groove 2 and the low groove 3 that is used to mount thermistor that are used to mount quartz wafer that level distributes in the front of substrate 1, low groove 3 be in upper groove 2 under and connect with upper groove 2; The length of upper groove 2 is greater than the length of low groove 3; Upper groove 2 is rectangle with the shape of low groove 3, in upper groove 2, is provided with the interior electrode 4 of connecting wafer pin, in low groove 3, is provided with the middle electrode 5 that connects the thermistor pin; Upper groove 2 residing plane parallel are in low groove 3 residing planes, and low groove 3 is 45 degree with respect to the center line 6 of upper groove 2 inclinations and upper groove and center line 7 angulations of low groove.
Claims (2)
1. quartz resonator; Include substrate, it is characterized in that: be provided with the upper groove and the low groove that is used to mount thermistor that are used to mount quartz wafer that level distributes in the front of substrate, low groove be in upper groove under and connect with upper groove; The length of upper groove is greater than the length of low groove; The shape of upper groove and low groove is rectangle, in upper groove, is provided with the interior electrode of connecting wafer pin, in low groove, is provided with the middle electrode that connects the thermistor pin; The residing plane parallel of upper groove is in the residing plane of low groove, and low groove is 30～60 degree with respect to the center line of upper groove inclination and upper groove and the center line angulation of low groove.
2. a kind of quartz resonator according to claim 1 is characterized in that: the center line angulation of the center line of upper groove and low groove is 45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205681241U CN202424646U (en) | 2011-12-30 | 2011-12-30 | Quartz resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205681241U CN202424646U (en) | 2011-12-30 | 2011-12-30 | Quartz resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202424646U true CN202424646U (en) | 2012-09-05 |
Family
ID=46749369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205681241U Expired - Lifetime CN202424646U (en) | 2011-12-30 | 2011-12-30 | Quartz resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202424646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016061860A1 (en) * | 2014-10-22 | 2016-04-28 | 应达利电子(深圳)有限公司 | Piezoelectric quartz-crystal resonator and manufacturing method thereof |
-
2011
- 2011-12-30 CN CN2011205681241U patent/CN202424646U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016061860A1 (en) * | 2014-10-22 | 2016-04-28 | 应达利电子(深圳)有限公司 | Piezoelectric quartz-crystal resonator and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |
|
| CX01 | Expiry of patent term |