CN206349977U - Crystal resonator - Google Patents
Crystal resonator Download PDFInfo
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- CN206349977U CN206349977U CN201621492328.0U CN201621492328U CN206349977U CN 206349977 U CN206349977 U CN 206349977U CN 201621492328 U CN201621492328 U CN 201621492328U CN 206349977 U CN206349977 U CN 206349977U
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Abstract
The utility model embodiment provides a kind of crystal resonator, is related to electronic component field.The crystal resonator, which includes crystal resonator, includes substrate, quartz wafer, two reeds and two terminal pins, and being located at the part between two terminal pins in substrate is provided with metal derby.The crystal resonator is due to without fitting insulating panels, saving material, and production cost is low, and be skillfully constructed, it is easy to implement with promoting, practicality is very strong.
Description
Technical field
The utility model is related to electronic component field, in particular to a kind of crystal resonator.
Background technology
Crystal resonator just refers to the crystal resonator made with quartz material, is commonly called as crystal oscillator, plays a part of to produce frequency,
With stabilization, the characteristics of interference free performance is good is widely used in various electronic products.At present, crystal resonator into
For the important component of current digital information-intensive society, the communications field, electronic device field are widely used in, specifically, is widely used in
It is indispensable crucial member in current electronic product in the various kinds of equipment, instrument and the electronic product that need frequency stabilization and frequency-selecting
Part, therefore the market demand of quartz resonator is very high.The waste of the material resources of the crystal resonator of prior art is larger, raw
Produce cost very high.
Utility model content
In view of this, the purpose of the utility model embodiment is to provide a kind of crystal resonator, to improve above-mentioned ask
Topic.
The utility model embodiment provide a kind of crystal resonator, the crystal resonator include substrate, quartz wafer,
Two reeds and two terminal pins, the substrate are provided with two through holes, and described two through holes are arranged at intervals, described in every
Terminal pin is each passed through a through hole, and the every terminal pin is through the part of the through hole and through hole
Sintering is filled with insulating barrier in surrounding formation gap, each gap, and each terminal pin passes through the one of the through hole
End is connected with a reed, and the quartz wafer is arranged at the side of the substrate, the two ends difference of the quartz wafer
It is connected with a reed, the opposite side of the relatively described quartz wafer of the substrate is provided with two metal derbies, described two
Metal derby is located between two terminal pins, and described two metal derbies are located at two of the substrate in the direction of the width respectively
Side.
Further, the height of each metal derby is 0.3mm~0.5mm, and each metal derby length not
More than 1/2nd of the width of the substrate.
Further, the line of two metal derbies is parallel with the width of the substrate.
Further, the spacing between two terminal pins is 2.40mm~2.60mm.
Further, a diameter of 0.2mm~1.0mm of the every terminal pin, the length of the every terminal pin is
3.0mm~13.2mm.
Further, the outside spacing of two reeds is 3.5mm~4.5mm, the inner side spacing of two reeds
For 0.5mm~1mm.
Further, the angle between the part of each reed and the terminal pin connection and the substrate is 6~8
Degree.
Further, the size of the length of the substrate be respectively 6.3mm~7.2mm, 3.2mm~3.8mm and
0.5mm~0.9mm.
Further, each through hole is circular hole, and the diameter of each insulating barrier is 1.1mm, each described
The height of insulating barrier is 0.5mm.
Further, the crystal resonator also includes shell, and the casing cover is located at the side of the substrate, the stone
Outside English chip and two reeds, the size of the length of the shell be respectively 6.3mm~7.2mm, 0.8mm~
1.5mm and 0.12mm~0.18mm.
Compared with prior art, a kind of crystal resonator that the utility model is provided, is located in the substrate of crystal resonator
Part between two terminal pins is provided with metal derby, and when needing the crystal resonator being installed on wiring board, two are drawn
Stitch is drawn due to every respectively to both sides bending, and the height of every terminal pin dogleg section and the height of metal derby are equal
The height of stitch dogleg section is equal with the height of metal derby, therefore when crystal resonator is installed on wiring board, metal derby is
Support can be played a part of to substrate, so that it is also possible that crystal resonator installation stabilization, is difficult to rock, it is ensured that crystal is humorous
The stability of device of shaking and the accuracy of frequency, without fitting insulating panels, save material, production cost is low.The utility model structure
Think ingenious, easy to implement and promote, practicality is very strong.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in the utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the model of the utility model protection
Enclose.
The schematic appearance for the crystal resonator that Fig. 1 provides for the utility model preferred embodiment;
Fig. 2 is in the structural representation at the first visual angle for the crystal resonator that the utility model preferred embodiment is provided;
Fig. 3 is in the profile at the first visual angle for the crystal resonator that the utility model preferred embodiment is provided;
The crystal resonator (being free of shell, quartz wafer) that Fig. 4 provides for the utility model preferred embodiment is in second
The structural representation at visual angle;
The crystal resonator (being free of shell, quartz wafer) that Fig. 5 provides for the utility model preferred embodiment is in the 3rd
The structural representation at visual angle;
The terminal pin for the crystal resonator that Fig. 6 provides for the utility model preferred embodiment is in structure during case of bending
Schematic diagram.
Icon:101- substrates;102- quartz wafers;103- reeds;104- terminal pins;105- insulating barriers;106- metal derbies;
107- shells;108- insulation boards;109- grooves.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.The component for the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.Meanwhile, it is new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
Crystal resonator just refers to the crystal resonator made with quartz material, is commonly called as crystal oscillator, plays a part of to produce frequency,
With stabilization, the characteristics of interference free performance is good is widely used in various electronic products.At present, crystal resonator into
For the important component of current digital information-intensive society, the communications field, electronic device field are widely used in, specifically, is widely used in
It is indispensable crucial member in current electronic product in the various kinds of equipment, instrument and the electronic product that need frequency stabilization and frequency-selecting
Part, therefore the market demand of quartz resonator is very high.The waste of the material resources of the crystal resonator of prior art is larger, raw
Produce cost very high.
In view of this, inventor has found that there is provided a kind of crystal resonator, the crystal resonant by long-term observation and research
Device, which includes crystal resonator, includes substrate, quartz wafer, two reeds and two terminal pins, is located at two terminal pins in substrate
Between part be provided with metal derby.The crystal resonator is due to without fitting insulating panels, saving material, and production cost is low, and
And be skillfully constructed, it is easy to implement with promoting, practicality is very strong.
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Fig. 2, Fig. 3 are referred to, a kind of crystal resonator that the utility model embodiment is provided, the crystal resonator includes outer
Shell 107, substrate 101, quartz wafer 102, two reeds 103 and two terminal pins 104.In the present embodiment, substrate 101
The size of length is respectively 6.3mm~7.2mm, 3.2mm~3.8mm and 0.5mm~0.9mm.In the specific implementation, base
Depending on the length of the size of piece 101, width, height can be according to actual demands, for example, the size of the length of substrate 101 is respectively
6.3mm、3.8mm、0.5mm;Or, the size of the length of substrate 101 is respectively 7.3mm, 3.2mm, 0.9mm;For another example
The size of the length of substrate 101 can also be respectively 6.7mm, 3.7mm, 0.7mm, in the present embodiment, it is preferred to use
The size of 6.7mm, 3.7mm, 0.7mm substrate 101.
As shown in figure 3, substrate 101 is provided with two through holes, and two through holes are arranged at intervals, and every terminal pin 104 is distinguished
Through a through hole.Wherein, the spacing between two terminal pins 104 is 2.40mm~2.60mm;In the specific implementation, two are drawn
Depending on spacing between stitch 104 can be according to actual demand, for example, can for 2.40mm, 2.55mm, 2.60mm etc., as long as
In the range of 2.40mm~2.60mm.Further, a diameter of 0.2mm~1.0mm of every terminal pin 104, every is drawn
The length of stitch 104 is 3.0mm~13.2mm.In the specific implementation, the diameter of every terminal pin 104 can be according to actual demand
It is fixed, for example, can be 0.2mm, 0.5mm, 1.0mm etc., as long as in the range of 0.2mm~1.0mm;Every terminal pin
Depending on 104 length can be according to actual demand, for example, can for 3.0mm, 8.0mm, 13.2mm etc., as long as 3.0mm~
In the range of 13.2mm.It should be noted that the height of substrate 101 is set to 0.5mm~0.9mm, crystal resonator
Frequency, resistance characteristic are still controlled, and frequency scattered error is less than 10ppm.
As shown in figure 3, every terminal pin 104 is through the part of through hole and the surrounding formation gap of a through hole, it is each between
Sintering is filled with insulating barrier 105 in gap.In the present embodiment, the insulating barrier 105 that filling is sintered in each gap is glassine paper
Layer, of course, the insulating barrier 105 that filling is sintered in each gap can be not only cellophane layer, it would however also be possible to employ other
Insulating barrier 105 be not limited herein.In the present embodiment, each through hole is circular hole, and the diameter of each insulating barrier 105 is
1.1mm, the height of each insulating barrier 105 is 0.5mm.Of course, in the present embodiment, the shape of through hole can also be pros
The shapes such as shape, regular hexagon, octagon, are limited herein and seldom, certainly, and the shape of through hole is using circular optimal.
As shown in figure 3, each terminal pin 104 is connected close to one end of through hole with a reed 103, wherein, each lead
Pin 104 is connected close to one end of through hole with a reed 103 by the way of spot welding, and each reed 103 is used for and quartz wafer
The angle of 102 steps connected and horizontal plane is 6~8 degree.For example, in the specific implementation, each reed 103 is used for and quartz-crystal
It is 6 degree, 7 degree, 8 degree that the step and the angle of horizontal plane that piece 102 is connected, which are 6~8 degree,.Further, two reeds 103
Outside spacing is 3.5mm~4.5mm, and the inner side spacing of two reeds 103 is 0.5mm~1mm.In the specific implementation, two springs
Depending on the outside spacing of piece 103 can be according to actual demand, for example, can be 3.5mm, 4mm, 4.5mm etc., as long as in 3.5mm
In the range of~4.5mm.In the specific implementation, depending on the inner side spacing of two reeds 103 also can be according to actual demand, example
Such as, can be 0.5mm, 0.8mm, 1mm, as long as in the range of 0.5mm~1mm.
Further, as shown in Figure 3, Figure 4, each reed 103 is pancake and tortuous stepped, each reed
103 width is 0.4mm~1.2mm, wherein, the number of steps that each reed 103 includes is 1~6, and the width of each step is
0.3mm~20mm, the height of each step is 0.2mm~1.5mm.In the specific implementation, the width of each reed 103 can foundation
Depending on actual demand, for example, can be 0.4mm, 0.8mm, 1.2mm etc., as long as in the range of 0.4mm~1.2mm.
When it is implemented, depending on the number of steps that each reed 103 includes also can be according to actual demand, for example, can for 1,3,6
It is individual, as long as within the scope of 1~6.In the specific implementation, depending on the width of each step can be according to actual demand, for example,
Can be 0.3mm, 10mm, 20mm etc., as long as in the range of 0.3mm~20mm.In the specific implementation, each step
Depending on height can be according to actual demand, for example, can be 0.2mm, 1mm, 1.5mm etc., as long as in 0.2mm~1.5mm scopes
Inside.
Shell 107 is covered on outside the side of substrate 101, quartz wafer 102 and two reeds 103, shell 107 and substrate
101 are encapsulated using electric resistance welding press seal mode.In the present embodiment, the size of the length of shell 107 be respectively 6.3mm~
7.2mm, 0.8mm~1.5mm and 0.12mm~0.18mm.In the specific implementation, the length of the size of shell 107, width, Gao Ke
According to depending on actual demand, for example, the size of the length of the size of shell 107 is respectively 6.3mm, 0.8mm, 0.12mm;
Or, the size of the length of the size of shell 107 is respectively 7.2mm, 1.5mm, 0.18mm;For another example the chi of shell 107
The size of very little length can also be respectively 6.7mm, 1mm, 0.16mm, in the present embodiment, it is preferred to use 6.7mm,
The size of 1mm, 0.16mm shell 107.
Quartz wafer 102 is located at the side of the substrate 101, and the two ends of quartz wafer 102 connect with a reed 103 respectively
Connect, and the two ends of quartz wafer 102 are placed on a reed 103 respectively.As shown in figure 5, substrate 101 is with respect to quartz wafer
Opposite side is welded with two metal derbies 106, and two metal derbies 106 are located between two terminal pins 104, and two metal derbies 106
Respectively positioned at the both sides of substrate 101 in the direction of the width, and the width of of length no more than substrate 101 of each metal derby 106
1/2nd.In the present embodiment, the line of two metal derbies 106 is parallel with the width of substrate 101, so sets and not only may be used
To cause the internal structure of the crystal resonator regular, when the stability of crystal resonator is invariant, two metal derbies 106
Line most material saving parallel with the width of substrate 101.Wherein, the two ends of quartz wafer 102 respectively by conducting resinl with
Reed 103 is connected.Quartz wafer 102 is generally ground and formed by quartzy melting and cutting, and its dioxide-containing silica is up to 99.99%
More than, hardness is seven grades of Mohs, the features such as with high temperature resistant, low thermal coefficient of expansion, resistance to heat shocks and good electrical insulation capability.It is logical
The two ends for crossing quartz wafer 102 are connected with a reed 103 respectively, so that two terminal pins 104 be electrically connected.Quartz wafer
102 selection 4 × 1.8mm quartz wafers 102, frequency range is from 10MHZ~50MHZ;Overtone frequency scope from 30MHZ~
125MHZ。
The height of each metal derby 106 is 0.3mm~0.5mm.Specifically, the height of metal derby 106 be 0.3mm~
0.5mm, in the specific implementation, depending on the height of metal derby 106 can be according to actual demand, for example, can for 0.4mm, 0.45mm,
0.5mm, as long as in the range of 0.3mm~0.5mm.
In the present embodiment, the processing technology of the crystal resonator is:
The first step, by two terminal pins 104, insulating barrier 105 and the sinter molding of substrate 101, and does the tin processing of plating ni-mh;
Second step, each terminal pin 104 each terminal pin 104 close to through hole one end spot welding reed 103;
3rd step, part of the substrate 101 between two terminal pins 104 is welded in by metal derby 106;
4th step, reed 103 is connected to conducting resinl by quartz wafer 102;
5th step, enters line frequency adjustment;
6th step, the mode for electric resistance welding encapsulates shell 107 with substrate 101, so that quartz-crystal resonator is made.
In summary, a kind of crystal resonator that the utility model is provided, a kind of crystal resonant that the utility model is provided
Device, is located at the part between two terminal pins 104 in the substrate 101 of crystal resonator and is welded with metal derby 106.Such as Fig. 6
It is shown, when needing the crystal resonator being installed on wiring board, by two terminal pins 104 respectively to both sides bending, and every
The height of the dogleg section of terminal pin 104 is equal with the height of metal derby 106, and due to the height of the every dogleg section of terminal pin 104
Degree is equal with the height of metal derby 106, therefore when crystal resonator is installed on wiring board, metal derby 106 can be to substrate 101
Play a part of support, so as to it is also possible that the crystal resonator installs stable, be difficult to rock, it is ensured that crystal resonator it is steady
Qualitative and frequency accuracy, without fitting insulating panels, saves material, production cost is low.The utility model is skillfully constructed, easily
In implementation with promoting, practicality is very strong.
Tested through inventor, the crystal resonator reduces 20% relative to prior art, production cost, if being advised greatly
The batch production of mould, its material saved and economic benefit are considerable, furthermore, by pressing for each element of crystal resonator
Set according to above-mentioned size, shorten the spacing between the spacing between two reeds 103, and two terminal pins 104, so that
So that the contraction in length of substrate 101, improves the intensity of substrate 101, highly dropped in substrate 101 so as to avoid crystal resonator
After low, frequency and the resistance affected by force after electric resistance welding change greatly, it is impossible to the problem of ensureing electric parameter, while realizing crystalline substance
The miniaturization of body resonator, so as to further save material and production cost, the utility model is skillfully constructed, easy to implement
With popularization, practicality is very strong.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected;Can be mechanical connection or electrical connection;Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.It should be noted that
Arrive:Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then further need not be defined and be explained to it in subsequent accompanying drawing.
It is described above, embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, it should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of crystal resonator, it is characterised in that the crystal resonator include substrate, quartz wafer, two reeds and
Two terminal pins, the substrate is provided with two through holes, and described two through holes are arranged at intervals, and the every terminal pin is worn respectively
A through hole is crossed, and the every terminal pin is through between the surrounding formation of the part of the through hole and a through hole
Sintering is filled with insulating barrier in gap, each gap, and each terminal pin is through one end of the through hole and an institute
State reed connection, the quartz wafer is arranged at the side of the substrate, the two ends of the quartz wafer respectively with described in one
Reed is connected, and the opposite side of the relatively described quartz wafer of the substrate is provided with two metal derbies, and described two metal derbies are located at
Between two terminal pins, and described two metal derbies are located at the both sides of the substrate in the direction of the width respectively.
2. crystal resonator according to claim 1, it is characterised in that the height of each metal derby for 0.3mm~
0.5mm, and 1/2nd of the width of of length no more than substrate of each metal derby.
3. crystal resonator according to claim 1, it is characterised in that the line of two metal derbies and the substrate
Width it is parallel.
4. crystal resonator according to claim 1, it is characterised in that the spacing between two terminal pins is
2.40mm~2.60mm.
5. crystal resonator according to claim 1, it is characterised in that a diameter of 0.2mm of the every terminal pin~
1.0mm, the length of the every terminal pin is 3.0mm~13.2mm.
6. crystal resonator according to claim 1, it is characterised in that the outside spacing of two reeds is 3.5mm
~4.5mm, the inner side spacing of two reeds is 0.5mm~1mm.
7. crystal resonator according to claim 1, it is characterised in that what each reed was connected with the terminal pin
Angle between part and the substrate is 6~8 degree.
8. crystal resonator according to claim 1, it is characterised in that the size of the length of the substrate is respectively
6.3mm~7.2mm, 3.2mm~3.8mm and 0.5mm~0.9mm.
9. crystal resonator according to claim 1, it is characterised in that each through hole is circular hole, each described
The diameter of insulating barrier is 1.1mm, and the height of each insulating barrier is 0.5mm.
10. crystal resonator according to claim 1, it is characterised in that the crystal resonator also includes shell, described
Casing cover is located at outside side, the quartz wafer and two reeds of the substrate, the length of the shell
Size is respectively 6.3mm~7.2mm, 0.8mm~1.5mm and 0.12mm~0.18mm.
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CN201621492328.0U CN206349977U (en) | 2016-12-30 | 2016-12-30 | Crystal resonator |
Applications Claiming Priority (1)
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CN201621492328.0U CN206349977U (en) | 2016-12-30 | 2016-12-30 | Crystal resonator |
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2016
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