CN204633727U - Miniature crystal resonator - Google Patents
Miniature crystal resonator Download PDFInfo
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- CN204633727U CN204633727U CN201520364732.9U CN201520364732U CN204633727U CN 204633727 U CN204633727 U CN 204633727U CN 201520364732 U CN201520364732 U CN 201520364732U CN 204633727 U CN204633727 U CN 204633727U
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- crystal resonator
- insulator
- pedestal
- quartz wafer
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Abstract
The utility model discloses a kind of Miniature crystal resonator, it comprises pedestal, lead-in wire, insulator, quartz wafer and cover plate, described pedestal is the metal shell of a upper end open, its bottom surface is provided with the through hole for accommodating insulator, the quantity of described lead-in wire is two, it is through described insulator and through hole, upper end has the ailhead for supporting quartz wafer, described quartz wafer is fixed on described ailhead by conducting resinl, described cover plate is a metal plate, and it is sealed in the upper end open place of described pedestal in roll welding mode.The pedestal of the utility model Miniature crystal resonator and cover plate form an accommodation space sealed by roll welding; be beneficial to protection quartz wafer in manufacturing process not to be damaged; and then make that the frequency change of crystal is little, resistance stabilization; and the thickness of crystal resonator entirety is thinner, volume is less; pedestal adopts alloy to add the structure that insulator combines, technical maturity and with low cost.
Description
Technical field
The utility model relates to a kind of resonator, particularly relates to a kind of Miniature crystal resonator.
Background technology
Quartz-crystal resonator is the resonant element utilizing the piezoelectric effect of quartz crystal and make, along with the development of electron trade, the requirement of, sheet miniaturized for quartz-crystal resonator and chip type is all the more obvious, and the restriction that the crystal resonator generally used in current electronics field designs due to sizes of substrate and encapsulating structure, do not reach the small form factor requirements of modern electronic product.
Current quartz-crystal resonator is mainly divided into lead-in wire plug-in type and surface attaching type.The shell of the crystal resonator of lead-in wire plug-in type is provided with the edge sealing for resistance pressure-welding, when the height of overall resonance device is less, have larger stress after press seal, the distortion of pedestal easily causes crystal resonator frequency scattered error comparatively large, seriously then can cause the breakage of quartz wafer; The structure of surface attaching type crystal resonator adds becket on potsherd, then above becket, envelope establishes a metallic plate, quartz wafer is fixedly arranged in the concave shaped space of becket, potsherd and metallic plate formation, and this structural manufacturing process is complicated and high to the requirement of equipment.The structure of crystal resonator of lead-in wire plug-in type makes itself to be difficult to the future development to miniaturization, and existing surface attaching type crystal resonator can meet miniaturized requirement, but causes high cost due to the technique of its complexity.
Utility model content
The technical problem that the utility model solves is to provide a kind of Miniature crystal resonator that miniaturization can reduce again production cost of can accomplishing.
The utility model solves the problems of the technologies described above adopted technical scheme:
The utility model provides a kind of Miniature crystal resonator, it comprises pedestal, lead-in wire, insulator, quartz wafer and cover plate, described pedestal is the metal shell of a upper end open, its bottom surface is provided with the through hole for accommodating insulator, the quantity of described lead-in wire is two, it is through described insulator and through hole, upper end has the ailhead for supporting quartz wafer, described quartz wafer is fixed on described ailhead by conducting resinl, described cover plate is a metal plate, and it is sealed in the upper end open place of described pedestal in roll welding mode.
As the further improvement of technique scheme, the bottom surface of described pedestal is arranged with two through holes, the quantity of described insulator is two and is placed in two described through holes respectively, and two described lead-in wires run through from the center of insulator and are fixed together with insulator.
As the further improvement of technique scheme, the bottom surface of described pedestal is provided with a strip through hole, described insulator correspondence is set to strip, and its quantity is one and is placed in described through hole, and two described lead-in wires run through from the two ends of insulator respectively and are fixed together with insulator.
As the further improvement of technique scheme, described Miniature crystal resonator also comprises the insulating barrier be fixedly arranged on below described pedestal, described lead-in wire pass described insulating barrier and to both sides bending, be attached on described insulating barrier.
As the further improvement of technique scheme, described insulating barrier is plastic plate.
As the further improvement of technique scheme, described insulating barrier is the insulating cement being coated on described substrate bottom surface.
As the further improvement of technique scheme, the spacing of two described lead-in wires is 3.0 ~ 4.5mm, and the height of pedestal is 1.5 ~ 2.5mm, and the length of quartz wafer is 3.0 ~ 4.5mm, and width is 1.5 ~ 1.8mm.
As the further improvement of technique scheme, the length of described Miniature crystal resonator entirety is 5 ~ 7mm, and width is 3 ~ 4mm, is highly 2 ~ 3mm.
As the further improvement of technique scheme, the wide * height of long * of described cover plate is 6mm*3.5mm*0.8mm; The wide * height of long * of described pedestal is 6mm*3.5mm*2mm; Article two, the spacing of described lead-in wire is 4mm; The long * of described quartz wafer is wide is 4mm*1.8mm.
As the further improvement of technique scheme, the wide * height of long * of described cover plate is 5mm*3.2mm*0.8mm; The wide * height of long * of described pedestal is 5mm*3.2mm*1.8mm; Article two, the spacing of described lead-in wire is 3.5mm; The long * of described quartz wafer is wide is 3.5 mm*1.5mm.
The beneficial effects of the utility model are:
The pedestal of the utility model Miniature crystal resonator and cover plate form an accommodation space sealed by roll welding; be beneficial to protection quartz wafer in manufacturing process not to be damaged; and then make that the frequency change of crystal is little, resistance stabilization; and the thickness of crystal resonator entirety is thinner, volume is less; pedestal adopts alloy to add the structure that insulator combines, technical maturity and with low cost.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the first execution mode of the utility model Miniature crystal resonator;
Fig. 2 is the fractionation schematic diagram of the first execution mode of the utility model Miniature crystal resonator;
Fig. 3 is the full sectional view of the first execution mode of the utility model Miniature crystal resonator;
Fig. 4 is the fractionation schematic diagram of the second execution mode of the utility model Miniature crystal resonator;
Fig. 5 is the full sectional view of the second execution mode of the utility model Miniature crystal resonator;
Fig. 6 is the overall structure schematic diagram of the third execution mode of the utility model Miniature crystal resonator;
Fig. 7 is the fractionation schematic diagram of the third execution mode of the utility model Miniature crystal resonator;
Fig. 8 is the full sectional view of the third execution mode of the utility model Miniature crystal resonator;
Fig. 9 is the fractionation schematic diagram of the 4th kind of execution mode of the utility model Miniature crystal resonator;
Figure 10 is the full sectional view of the 4th kind of execution mode of the utility model Miniature crystal resonator.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.In addition, all connection/annexations related in patent, not singly refer to that component directly connects, and refer to and according to concrete performance, can connect auxiliary by adding or reducing, and form more excellent draw bail.Each technical characteristic in the utility model, can combination of interactions under the prerequisite of not conflicting conflict.
Fig. 1, Fig. 2 and Fig. 3 show the concrete structure of the first execution mode of the utility model Miniature crystal resonator.The utility model Miniature crystal resonator comprises pedestal 110, lead-in wire 120, insulator 130, quartz wafer 140 and cover plate 150.The length of Miniature crystal resonator entirety is 5 ~ 7mm, and width is 3 ~ 4mm, is highly 2 ~ 3mm, and the height of pedestal is 1.5 ~ 2.5mm, and the length of quartz wafer is 3.0 ~ 4.5mm, and width is 1.5 ~ 1.8mm.Described pedestal 110 is the metal shell of a upper end open, its bottom surface is provided with the through hole 111 for accommodating insulator 130, the quantity of described through hole 111 and insulator 130 is all two, the quantity of described lead-in wire 120 is two, its upper end has the ailhead 121 for supporting quartz wafer 140, article two, described lead-in wire 120 runs through from the center of insulator 130 and is fixed together with insulator 130, and preferably, the spacing of two lead-in wires 120 is 3.0 ~ 4.5mm.Described quartz wafer 140 is fixed on described ailhead 121 by conducting resinl, and described cover plate 150 is a metal plate, and it is sealed in the upper end open place of described pedestal 110 in roll welding mode.Furthermore, in this better embodiment, the pedestal 110 of Miniature crystal resonator forms an accommodation space sealed with cover plate 150 by roll welding, structure is more simple and compact, reduce the volume of product further, concrete preferably following two kinds of sizes: the wide * height of long * of (1) described cover plate 150 is 6mm*3.5mm*0.8mm; The wide * height of long * of described pedestal 110 is 6mm*3.5mm*2mm; Article two, the spacing of described lead-in wire 120 is 4mm; The long * of described quartz wafer 140 is wide is 4mm*1.8mm; (2) the wide * height of the long * of described cover plate 150 is 5mm*3.2mm*0.8mm; The wide * height of long * of described pedestal 110 is 5mm*3.2mm*1.8mm; Article two, the spacing of described lead-in wire 120 is 3.5mm; The long * of described quartz wafer 140 is wide is 3.5 mm*1.5mm.
Fig. 4 and Fig. 5 illustrates the concrete structure of the utility model Miniature crystal resonator the second execution mode.The difference of this execution mode and the first execution mode is the pedestal 210 and the insulator 230 that have employed different structure, and other structures are all identical with the first execution mode, therefore do not remake repeat specification.As shown in Figure 4 and Figure 5, in this embodiment, pedestal 210 is only provided with the strip through hole 211 that two ends are circular arc, the quantity of insulator 230 is also one and is strip, insulator 230 is the same with the first execution mode to be also located in through hole 211, and two described lead-in wires 220 run through from the two ends of insulator 230 respectively and are fixed together with insulator 230.Adopt this execution mode to only have one due to the through hole 2211 of substrate 221 and the quantity of insulator 222, simplify overall assembly technology, reduce the difficulty of processing.
Fig. 6, Fig. 7 and Fig. 8 show the concrete structure of the third execution mode of the utility model Miniature crystal resonator.In this embodiment, Miniature crystal resonator comprises pedestal 310, lead-in wire 320, insulator 330, quartz wafer 340, cover plate 350 and insulating barrier 360.It can thus be appreciated that, the difference of this execution mode and the first execution mode is to be installed with insulating barrier 360 in the below of described pedestal 310, specifically, described insulating barrier 360 is a rectangle interlayer, material is plastic plate or insulating cement, its be used for avoiding the lower end of lead-in wire 320 bend after contact with metal base 310, described lead-in wire 320 pass described insulating barrier 360 and to both sides bending, be attached on described insulating barrier 360.Adopt this execution mode, the wire type resonator of the first execution mode just can be made to change surface attaching type resonator easily into, and technique is simple and with low cost.
Fig. 9 and Figure 10 shows the concrete structure of the utility model Miniature crystal resonator the 4th kind of execution mode.In this embodiment, the difference of this execution mode and the third execution mode is the pedestal 410 and the insulator 430 that have employed different structure, pedestal 410 is only provided with the strip through hole 411 that two ends are circular arc, the quantity of insulator 430 is also one and is strip, insulator 430 is the same with the third execution mode to be also located in through hole 411, and two described lead-in wires 420 run through from the two ends of insulator 430 respectively and are fixed together with insulator 430.
More than that better enforcement of the present utility model is illustrated, but the utility model is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. a Miniature crystal resonator, it is characterized in that: comprise pedestal, lead-in wire, insulator, quartz wafer and cover plate, described pedestal is the metal shell of a upper end open, its bottom surface is provided with the through hole for accommodating insulator, the quantity of described lead-in wire is two, it is through described insulator and through hole, upper end has the ailhead for supporting quartz wafer, described quartz wafer is fixed on described ailhead by conducting resinl, described cover plate is a metal plate, and it is sealed in the upper end open place of described pedestal in roll welding mode.
2. Miniature crystal resonator as claimed in claim 1, it is characterized in that: the bottom surface of described pedestal is arranged with two through holes, the quantity of described insulator is two and is placed in two described through holes respectively, and two described lead-in wires run through from the center of insulator and are fixed together with insulator.
3. Miniature crystal resonator as claimed in claim 1, it is characterized in that: the bottom surface of described pedestal is provided with a strip through hole, described insulator correspondence is set to strip, its quantity is one and is placed in described through hole, and two described lead-in wires run through from the two ends of insulator respectively and are fixed together with insulator.
4. Miniature crystal resonator as claimed in claim 1, is characterized in that: described Miniature crystal resonator also comprises the insulating barrier be fixedly arranged on below described pedestal, described lead-in wire pass described insulating barrier and to both sides bending, be attached on described insulating barrier.
5. Miniature crystal resonator as claimed in claim 4, is characterized in that: described insulating barrier is plastic plate.
6. Miniature crystal resonator as claimed in claim 4, is characterized in that: described insulating barrier is the insulating cement being coated on described substrate bottom surface.
7. the Miniature crystal resonator as described in any one of claim 1 to 6, is characterized in that: the spacing of two described lead-in wires is 3.0 ~ 4.5mm, and the height of pedestal is 1.5 ~ 2.5mm, and the length of quartz wafer is 3.0 ~ 4.5mm, and width is 1.5 ~ 1.8mm.
8. the Miniature crystal resonator as described in any one of claim 1 to 6, is characterized in that: the length of described Miniature crystal resonator entirety is 5 ~ 7mm, and width is 3 ~ 4mm, is highly 2 ~ 3mm.
9. the Miniature crystal resonator as described in any one of claim 1 to 6, is characterized in that:
The wide * height of long * of described cover plate is 6mm*3.5mm*0.8mm;
The wide * height of long * of described pedestal is 6mm*3.5mm*2mm;
Article two, the spacing of described lead-in wire is 4mm;
The long * of described quartz wafer is wide is 4mm*1.8mm.
10. the Miniature crystal resonator as described in any one of claim 1 to 6, is characterized in that:
The wide * height of long * of described cover plate is 5mm*3.2mm*0.8mm;
The wide * height of long * of described pedestal is 5mm*3.2mm*1.8mm;
Article two, the spacing of described lead-in wire is 3.5mm;
The long * of described quartz wafer is wide is 3.5 mm*1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364732.9U CN204633727U (en) | 2015-05-29 | 2015-05-29 | Miniature crystal resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364732.9U CN204633727U (en) | 2015-05-29 | 2015-05-29 | Miniature crystal resonator |
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| CN204633727U true CN204633727U (en) | 2015-09-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299898A (en) * | 2019-07-25 | 2019-10-01 | 北京无线电计量测试研究所 | A kind of Band-reject crystal filter coil reinforcement means and device |
| CN110798764A (en) * | 2019-11-14 | 2020-02-14 | 歌尔股份有限公司 | Sensor and electronic device |
-
2015
- 2015-05-29 CN CN201520364732.9U patent/CN204633727U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299898A (en) * | 2019-07-25 | 2019-10-01 | 北京无线电计量测试研究所 | A kind of Band-reject crystal filter coil reinforcement means and device |
| CN110798764A (en) * | 2019-11-14 | 2020-02-14 | 歌尔股份有限公司 | Sensor and electronic device |
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