CN201860300U - Substrate and quartz crystal resonator - Google Patents
Substrate and quartz crystal resonator Download PDFInfo
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- CN201860300U CN201860300U CN2010206025936U CN201020602593U CN201860300U CN 201860300 U CN201860300 U CN 201860300U CN 2010206025936 U CN2010206025936 U CN 2010206025936U CN 201020602593 U CN201020602593 U CN 201020602593U CN 201860300 U CN201860300 U CN 201860300U
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Abstract
The utility model relates to a substrate and a quartz crystal resonator, which belong to the technical field of resonator structure and processing techniques. The substrate comprises a first U-shaped electrode, a second U-shaped electrode, a bottom plate and insulators, wherein the first U-shaped electrode and the second U-shaped electrode are of mirror design, the insulators are respectively filled between the two electrodes and among the outer sides of the two electrodes and the bottom plate, and the insulators are exposed from the quartz crystal resonator. The quartz crystal resonator comprises the substrate and a shell, the bottom of the shell and the substrate are packaged together through a flange on the upper surface of the bottom plate, a first spring plate and a second spring plate are respectively connected above the two electrodes of the substrate, and the upper surfaces of the two spring plates are connected with chips via conductive adhesive. The substrate and the quartz crystal resonator are reasonable in structural design; and solder short circuit of the two electrodes of the quartz crystal resonator during reflow soldering can be prevented effectively since the insulators are exposed.
Description
Technical field
The utility model relates to a kind of pedestal, quartz-crystal resonator, belongs to resonator structure and technology field.
Background technology
The insulator of existing quartz-crystal resonator is embedded, the tin short circuit may take place in quartz-crystal resonator two electrodes when Reflow Soldering, and quartz-crystal resonator two electrodes and base plate, the easy short circuit of shell can take place, at present, surface attaching type SMD product adopts ceramic material as insulator, can only adopt parallel soldering and sealing form.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, a kind of reasonable in design is provided, the tin short circuit when Reflow Soldering of quartz-crystal resonator two electrodes be can effectively prevent, quartz-crystal resonator two electrodes and base plate, the pedestal of shell short circuit, quartz-crystal resonator prevented.
The utility model is achieved through the following technical solutions:
Pedestal, its special character is to comprise U type first electrode 2 and U type second electrode 3, base plate 9 and the insulator of designed in mirror image, fill insulator respectively between U type first electrode 2 and U type second electrode 3 and between U type first electrode 2 and U type second electrode, 3 outsides and the base plate 9, insulator exposes to outside the quartz-crystal resonator;
Described base plate 9 is connected with 2 insulation of U type first electrode by first insulator 10, U type first electrode 2 is connected with 3 insulation of U type second electrode by second insulator 1, U type second electrode 3 is connected with base plate 9 insulation by the 3rd insulator 11, and first insulator 10, second insulator 1, the 3rd insulator 11 all expose to outside the quartz-crystal resonator;
Described U type first electrode 2 and U type second electrode 3 adopt kovar alloy to make, and U type first electrode 2 and U type second electrode 3 adopt caustic solution or straight forming method to form;
The upper surface of described base plate 9 is provided with protruding rafter 12, with shell 8 encapsulation that are applicable to quartz-crystal resonator.
Adopt the quartz-crystal resonator of said base, its special character is to comprise pedestal and shell 8, shell 8 bottoms are by set protruding rafter 12 of base plate 9 upper surfaces and pedestal encapsulation, U type first electrode 2 of pedestal and the top of U type second electrode 3 are connected the upper surface of first reed 4, second reed, 5, the first reeds 4, second reed 5 respectively by conducting resinl 6 connecting wafers 7.
The utility model reasonable in design, insulator exposes and can prevent effectively that quartz-crystal resonator two electrodes from the tin short circuit taking place when Reflow Soldering, and can prevent quartz-crystal resonator two electrodes and base plate, shell short circuit, electrode adopts kovar alloy to make, the press seal form still can adopt the electric resistance welding form, can adopt parallel soldering and sealing by changing base arrangement simultaneously, effectively raise sealing.
Description of drawings
Fig. 1: the structural representation of a kind of quartz-crystal resonator of the utility model;
Fig. 2: first reed 4, second reed, 5 structural representations.
Among the figure: 1, second insulator, 2, U type first electrode, 3, U type second electrode, 4, first reed, 5, second reed, 6, conducting resinl, 7, wafer, 8, shell, 9, base plate, 10, first insulator, the 11, the 3rd insulator, 12, protruding rafter.
Embodiment
Provide the utility model embodiment below with reference to accompanying drawing, be used for the utility model is described further.
The pedestal of present embodiment, U type first electrode 2 and U type second electrode 3 that comprise designed in mirror image, base plate 9 and insulator, fill insulator respectively between U type first electrode 2 and U type second electrode 3 and between U type first electrode 2 and U type second electrode, 3 outsides and the base plate 9, by insulator 10,1,11 mutually insulateds and with base plate 9 insulation, the upper surface of base plate 9 is provided with the protruding rafter 12 that is applicable to 8 encapsulation of quartz-crystal resonator shell, base plate 9 is connected with 2 insulation of U type first electrode by first insulator 10, U type first electrode 2 is connected with 3 insulation of U type second electrode by second insulator 1, U type second electrode 3 is connected first insulator 10 by the 3rd insulator 11 with base plate 9 insulation, second insulator 1, the 3rd insulator 11 exposes to outside the quartz-crystal resonator; U type first electrode 2, U type second electrode 3 adopt kovar alloy to make, and adopt the straight forming method to form.
Quartz-crystal resonator, see Fig. 1, comprise pedestal and shell 8, shell 8 bottoms are by set protruding rafter 12 of base plate 9 upper surfaces and pedestal encapsulation, U type first electrode 2 of pedestal and the top of U type second electrode 3 are connected the upper surface of first reed 4, second reed, 5, the first reeds 4, second reed 5 respectively by conducting resinl 6 connecting wafers 7.
Above-mentioned first reed 4, second reed 5 are seen Fig. 2, the reed that is provided with low table 21 that comprises a pair of symmetry, upper surface one side of low table 21 is the high platform 22 of projection, the upper surface of high platform 22 is the some glue face 23 of coarse processing, and low table 21 is provided with and is used for and the bottom lead-in wire spot welding point 24 of spot welding mutually.
Because SMD quartz resonator product has two types at present, a kind of is metallic packaging, this product pedestal supply is almost monopolized by Japan, cause the high and supply instability of cost, another kind is the glue encapsulating products, though be mature technology, because glue needs high temperature (390 °) to melt, poor than metallic packaging on the quality reliability, and supply is also almost monopolized by Japan; This patented product combines HC-49S rack making technology, substitutes lead-in wire with U type electrode on the profile, all raw material and process domestic equal can finishing, thus cost is reduced.
The foregoing description reasonable in design can effectively reduce the whole height of crystal, realizes the miniaturization of crystal.Insulator exposes and can effectively prevent the tin short circuit when Reflow Soldering of quartz-crystal resonator two electrodes, and can prevent quartz-crystal resonator two electrodes and base plate, shell short circuit, electrode adopts kovar alloy to make, pedestal adopts caustic solution or straight forming method to form, the press seal form still can adopt the electric resistance welding form, can adopt parallel soldering and sealing by changing base arrangement simultaneously, effectively raise sealing.
Claims (5)
1. pedestal, it is characterized in that comprising U type first electrode (2) and U type second electrode (3), base plate (9) and the insulator of designed in mirror image, fill insulator respectively between U type first electrode (2) and U type second electrode (3) and between U type first electrode (2) and U type second electrode (3) outside and the base plate (9), insulator exposes to outside the quartz-crystal resonator.
2. according to the described pedestal of claim 1, it is characterized in that
Described base plate (9) is connected with U type first electrode (2) insulation by first insulator (10), U type first electrode (2) is connected with U type second electrode (3) insulation by second insulator (1), U type second electrode (3) is connected with base plate (9) insulation by the 3rd insulator (11), and first insulator (10), second insulator (1), the 3rd insulator (11) all expose to outside the quartz-crystal resonator.
3. according to the described pedestal of claim 1, it is characterized in that
Described U type first electrode (2) and U type second electrode (3) adopt kovar alloy to make, and U type first electrode (2) and U type second electrode (3) adopt caustic solution or straight forming method to form.
4. according to the described pedestal of claim 1, it is characterized in that
The upper surface of described base plate (9) is provided with the protruding rafter (12) of shell (8) encapsulation that is applicable to quartz-crystal resonator.
5. comprise the quartz-crystal resonator of claim 1 or 2 described pedestals, it is characterized in that
Comprise pedestal and shell (9), shell (9) bottom is by base plate (9) set protruding rafter of upper surface (12) and pedestal encapsulation, U type first electrode (2) of pedestal is connected first reed (4), second reed (5) respectively with the top of U type second electrode (3), and the upper surface of first reed (4), second reed (5) is by conducting resinl (6) connecting wafer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206025936U CN201860300U (en) | 2010-11-03 | 2010-11-03 | Substrate and quartz crystal resonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206025936U CN201860300U (en) | 2010-11-03 | 2010-11-03 | Substrate and quartz crystal resonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201860300U true CN201860300U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206025936U Expired - Lifetime CN201860300U (en) | 2010-11-03 | 2010-11-03 | Substrate and quartz crystal resonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201860300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035495A (en) * | 2010-11-03 | 2011-04-27 | 李斌 | Base, quartz crystal resonator and processing techniques thereof |
| WO2018107577A1 (en) * | 2016-12-15 | 2018-06-21 | 广东大普通信技术有限公司 | Crystal oscillator packaging structure, and crystal oscillator |
-
2010
- 2010-11-03 CN CN2010206025936U patent/CN201860300U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102035495A (en) * | 2010-11-03 | 2011-04-27 | 李斌 | Base, quartz crystal resonator and processing techniques thereof |
| WO2018107577A1 (en) * | 2016-12-15 | 2018-06-21 | 广东大普通信技术有限公司 | Crystal oscillator packaging structure, and crystal oscillator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160527 Address after: 264006 No. 6, Heilongjiang Road, Yantai Development Zone, Shandong Patentee after: YANTAI DYNAMIC ELECTRONICS CO., LTD. Address before: 264006 No. 6, Heilongjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee before: Li Bin Patentee before: Huang Yi Patentee before: Li Weiqiang |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |
|
| CX01 | Expiry of patent term |