CN201499142U - Quartz crystal resonator - Google Patents
Quartz crystal resonator Download PDFInfo
- Publication number
- CN201499142U CN201499142U CN2009201324924U CN200920132492U CN201499142U CN 201499142 U CN201499142 U CN 201499142U CN 2009201324924 U CN2009201324924 U CN 2009201324924U CN 200920132492 U CN200920132492 U CN 200920132492U CN 201499142 U CN201499142 U CN 201499142U
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- quartz
- electrode
- quartz crystal
- crystal resonator
- crystal
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Abstract
The utility model relates to a quartz crystal resonator, which comprises an insulating base, an insulating cladding body and a quartz crystal with piezoelectric effect, the quartz crystal is put on the base, the quartz crystal is connected with a resonance circuit, and the cladding body covers the exterior of the quartz crystal. A viscose layer is used for fixing and sealing between the cladding body and the base. The viscose layer of the utility model has better sealing performance, can prevent external impurities from entering into the quartz crystal resonator and influencing the work of the quartz crystal, thereby enabling the quartz crystal resonator to has higher working reliability; in assembling, the cladding body of the viscose layer and the base can be adhered together when heated, the operation is simple, and the manufacturing efficiency of the quartz crystal resonator is greatly improved.
Description
Technical field
The utility model relates to a kind of electronic component, is specially the higher quartz-crystal resonator of a kind of dependability.
Background technology
Quartz crystal has another name called crystal, and chemical composition is silicon dioxide (SiO
2), it is not only a kind of optical material preferably, still a kind of important piezoelectric.
Quartz crystal is under effect of electric field, and crystals can produce stress and deform, thereby produces the mechanical oscillation with characteristic frequency.Quartz-crystal resonator can utilize this specific character of quartz crystal to make.
Quartz-crystal resonator generally comprises quartz crystal, shell and base.Quartz crystal is closed in shell and the formed space of base.
In the existing quartz-crystal resonator packaging technology, shell generally fixes by the mode and the base of welding.Yet, because the size of shell and base is less, the process need task equipment that shell is welded in base is finished, and operating personnel's operative skill is had relatively high expectations, therefore preparation process is comparatively complicated, causes the production cost of quartz-crystal resonator high easily.
So, demand a kind of new quartz-crystal resonator urgently and can solve the problem that occurs in the above-mentioned conventional quartz crystal resonator.
The utility model content
The purpose of this utility model is the defective that overcomes above-mentioned prior art, and the quartz-crystal resonator that a kind of cost is low and dependability is higher is provided.
In order to achieve the above object, the technical solution of the utility model is: a kind of quartz-crystal resonator, comprise the pedestal of insulation, the cladding of insulation and quartz crystal with piezoelectric effect, described quartz crystal is placed on the described pedestal, described quartz crystal connects resonant circuit, and described cladding is located at described quartz crystal outside.Pass through the adhesive-layer fixing seal between described cladding and the described pedestal.
As first kind of execution mode of the utility model pedestal, described pedestal is the tabular printed circuit board (PCB).
As the another kind of execution mode of the utility model pedestal, described pedestal is a tabular epoxy phenolics body.
Preferably, described cladding offers the host cavity of accommodating quartz crystal, and described quartz crystal is installed in the host cavity of cladding.
Specifically, described resonant circuit comprises first electrode, second electrode, first external terminal and second external terminal, described first external terminal and second external terminal all are arranged at pedestal, described quartz crystal comprises that first surface reaches and this first surface opposing second surface, described first electrode is arranged at described first surface and electrically connects with this first external terminal, and described second electrode is arranged at described second surface and electrically connects with this second external terminal.
Described resonant circuit also comprises first conductive lead wire and second conductive lead wire, described first conductive lead wire, one end connects first electrode and the other end connects this first external terminal, and described second conductive lead wire, one end connects second electrode and the other end connects this second external terminal.
Described first electrode is the metallic film that is formed at described first surface, and this first conductive lead wire is connected by conducting resinl with this first electrode.
Described second electrode is the metallic film that is formed at described second surface, and this second conductive lead wire is connected by conducting resinl with this second electrode.
The utility model adopts described technical scheme, its beneficial technical effects is: 1) quartz-crystal resonator of the present utility model, pass through the adhesive-layer fixing seal between described cladding and the described pedestal, adhesive-layer at quartz crystal after assembling on the pedestal, cladding and pedestal are bonded together by the formed adhesive-layer of epoxy resin sealing under the condition of heating, so can finish the assembling of quartz-crystal resonator, simple to operate, greatly improve the make efficiency of quartz-crystal resonator, reduced the cost of manufacture of quartz-crystal resonator simultaneously; 2) quartz-crystal resonator of the present utility model, pass through the adhesive-layer fixing seal between described cladding and the described pedestal, described adhesive-layer has better sealing, can prevent introduced contaminants from entering in the quartz-crystal resonator and influence the work of quartz crystal, thereby make quartz-crystal resonator of the present invention have higher dependability.
Description of drawings
Fig. 1 is the structural representation of the utility model quartz-crystal resonator.
Fig. 2 is the circuit diagram behind the cladding of removing of the utility model quartz-crystal resonator.
Embodiment
Also in conjunction with the accompanying drawings the utility model is further described below by specific embodiment.
See also Fig. 1 and 2, it is the quartz-crystal resonator 10 of the utility model preferred embodiment one.Quartz-crystal resonator 10 can be a surface attaching type resonator, and it comprises the pedestal 11 of insulation, the cladding 17 and the quartz crystal 19 of insulation.Described quartz crystal 19 is placed on the described pedestal 11, and described quartz crystal 19 connects resonant circuit, and described cladding 17 is located at described quartz crystal 19 outsides.Pass through adhesive-layer 33 fixing seals between described cladding 17 and the described pedestal 11.
In the present embodiment, described pedestal 11 is tabular printed circuit board (PCB) (PCB), and quartz crystal 19 is positioned on the tabular pedestal 11.
As the another kind of execution mode of the utility model pedestal 11, described pedestal 11 is a tabular epoxy phenolics body.
Described cladding 17 offers the host cavity 111 of accommodating quartz crystal, and described quartz crystal 19 is installed in the host cavity 111 of cladding 17.
In the present embodiment, the resonant circuit of quartz-crystal resonator 10 comprises first external terminal (figure does not show), second external terminal (figure does not show), first electrode 21, second electrode 23, first conductive lead wire 25, second conductive lead wire 27 and conducting resinl 29,31.Quartz crystal 19 comprises first surface 191 and and first surface 191 opposing second surface 193.First surface 191 is towards cladding 17.First electrode 21 and second electrode 23 be at the same side of quartz crystal 19, and lay respectively on first surface 191 and the second surface 193.The other end connects first external terminal to first conductive lead wire, 25 1 ends by conducting resinl 29 connection first electrodes 21, electrically connects thereby first electrode 21 and first external terminal are formed.The other end connects second external terminal to second conductive lead wire, 27 1 ends by conducting resinl 31 connection second electrodes 23, electrically connects thereby second electrode 23 and second external terminal are formed.
In addition, pedestal 11 can be made by insulating material, for example PCB, pottery or glass.First external terminal and second external terminal can have preferable conductivity, and are arranged on the tabular pedestal PCB, are connected with 31 through conducting resinl 29 with quartz crystal by plated-through hole; And electrical isolation between first external terminal and second external terminal.Cladding 17 is for there being the concave shape of holding tank, and it can be made by insulating material, for example epoxy phenolics, pottery or glass.The material of adhesive-layer 33 can be the epoxy resin sealing.First electrode 21 and second electrode 23 can be made of metallic film.
During preparation, after assembling on the pedestal 11, cladding 17 can be bonded together with the formed adhesive-layer 33 of epoxy resin sealing under the condition of heating with pedestal 11, so can finish quartz-crystal resonator 10 at quartz crystal 19 elements such as grade.
Above-mentioned quartz-crystal resonator 10 only needs to form adhesive-layer 33 in the place that cladding 17 combines with pedestal 11 and gets final product during fabrication, and this preparation process is lower to equipment and operating personnel's requirement, therefore is easy to reduce the production cost of quartz-crystal resonator 10.In addition, epoxy resin layer 33 can be filled the gap of cladding 17 and pedestal 11 junctions, make cladding 17 and the seal cavity that pedestal 11 forms have better seal, therefore can prevent introduced contaminants from entering in the quartz-crystal resonator 10 and influence quartz crystal 19, thereby make above-mentioned quartz-crystal resonator 10 have higher dependability.
In addition, those skilled in the art also can do other variation in the utility model spirit, for example in quartz-crystal resonator 10, dull and stereotyped pedestal can be designed to not be with the complete rectangle of re-entrant angle, also first conductive lead wire 25 and second conductive lead wire 27 can be omitted, and first electrode 21 is directly electrically connected with first external terminal, second electrode 23 directly electrically connects with second external terminal; First external terminal and second external terminal also can be arranged on other positions, for example are located at the side of holding tank 111; The material of adhesive-layer 33 can be other outer viscose glues of epoxy resin sealing.
Although top detailed description preferred embodiment of the present utility model, but should be understood that many distortion of basic inventive concept clearly, that tell about to those skilled in the art and modification all drop within the spirit and scope of the present invention of claims qualification here.
Claims (8)
1. quartz-crystal resonator, comprise the pedestal of insulation, the cladding of insulation and quartz crystal with piezoelectric effect, described quartz crystal is placed on the described pedestal, described quartz crystal connects resonant circuit, described cladding is located at described quartz crystal outside, it is characterized in that: pass through the adhesive-layer fixing seal between described cladding and the described pedestal.
2. quartz-crystal resonator according to claim 1 is characterized in that: described pedestal is the tabular printed circuit board (PCB).
3. quartz-crystal resonator according to claim 1 is characterized in that: described pedestal is a tabular epoxy phenolics body.
4. according to any described quartz-crystal resonator of claim 1-3, it is characterized in that: described cladding offers the host cavity of accommodating quartz crystal, and described quartz crystal is installed in the host cavity of cladding.
5. quartz-crystal resonator according to claim 4, it is characterized in that: described resonant circuit comprises first electrode, second electrode, first external terminal and second external terminal, described first external terminal and second external terminal all are arranged at pedestal, described quartz crystal comprises that first surface reaches and this first surface opposing second surface, described first electrode is arranged at described first surface and electrically connects with this first external terminal, and described second electrode is arranged at described second surface and electrically connects with this second external terminal.
6. quartz-crystal resonator according to claim 5, it is characterized in that: described resonant circuit also comprises first conductive lead wire and second conductive lead wire, described first conductive lead wire, one end connects first electrode and the other end connects this first external terminal, and described second conductive lead wire, one end connects second electrode and the other end connects this second external terminal.
7. quartz-crystal resonator according to claim 6 is characterized in that: described first electrode is the metallic film that is formed at described first surface, and this first conductive lead wire is connected by conducting resinl with this first electrode.
8. quartz-crystal resonator according to claim 6 is characterized in that: described second electrode is the metallic film that is formed at described second surface, and this second conductive lead wire is connected by conducting resinl with this second electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201324924U CN201499142U (en) | 2009-06-08 | 2009-06-08 | Quartz crystal resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201324924U CN201499142U (en) | 2009-06-08 | 2009-06-08 | Quartz crystal resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499142U true CN201499142U (en) | 2010-06-02 |
Family
ID=42442338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201324924U Expired - Lifetime CN201499142U (en) | 2009-06-08 | 2009-06-08 | Quartz crystal resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270115A (en) * | 2014-10-16 | 2015-01-07 | 东莞市杰精精密工业有限公司 | Quartz-crystal resonator and packaging technology of quartz-crystal resonator |
-
2009
- 2009-06-08 CN CN2009201324924U patent/CN201499142U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270115A (en) * | 2014-10-16 | 2015-01-07 | 东莞市杰精精密工业有限公司 | Quartz-crystal resonator and packaging technology of quartz-crystal resonator |
| CN104270115B (en) * | 2014-10-16 | 2018-02-23 | 东莞市杰精精密工业有限公司 | Quartz-crystal resonator and its packaging technology |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100602 |