CN206302388U - Crystal resonator - Google Patents

Abstract

The utility model embodiment provides a kind of crystal resonator, is related to electronic component field.The crystal resonator includes that crystal resonator includes substrate, quartz wafer, two reeds and two terminal pins, and the part between substrate is located at two terminal pins is provided with metal wire.The crystal resonator due to without fitting insulating panels, material-saving, low production cost, and be skillfully constructed, it is easy to implement with promote, practicality is very strong.

Description

Crystal resonator

Technical field

The utility model is related to electronic component field, in particular to a kind of crystal resonator.

Background technology

Crystal resonator refers to just the crystal resonator made with quartz material, is commonly called as crystal oscillator, plays a part of to produce frequency, With the characteristics of stably, interference free performance is good, it is widely used in various electronic products.At present, crystal resonator into It is the important component of current number information-intensive society, is widely used in the communications field, electronic device field, specifically, is widely used in Need in various kinds of equipment, instrument and the electronic product of frequency stabilization and frequency-selecting, be indispensable crucial unit in current electronic product Part, therefore the market demand of quartz resonator is very high.The waste of the material resources of crystal resonator of the prior art is larger, Production cost is 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 asking 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 dice spaced are provided with two through holes, and the every terminal pin is each passed through one The through hole, and the every terminal pin forms gap through the part of the through hole with a perisporium for the through hole, each Sintering is filled with insulating barrier in the gap, and each described terminal pin connects through one end of the through hole with a reed Connect, the quartz wafer is arranged on the side of the substrate, and the two ends of the quartz wafer connect with a reed respectively Connect, the opposite side of the relatively described quartz wafer of the substrate is provided with metal wire, and the metal wire is located at two terminal pins Between.

Further, a diameter of 0.3mm~0.5mm's of the metal wire, and the metal wire is of length no more than described The width of substrate.

Further, the spacing between two terminal pins is 2.40mm~2.60mm.

Further, every a diameter of 0.2mm~1.0mm of the terminal pin, the length of the every terminal pin is 3.0mm~13.2mm.

Further, two outside spacing of the reed are 3.5mm~4.5mm, two inner side spacing of the reed It is 0.5mm~1mm.

Further, the angle that each described reed is used for the step and horizontal plane being connected with the quartz wafer 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 described through hole is circular hole, and the diameter of each insulating barrier is 1.1mm, described in each The height of insulating barrier is 0.5mm.

Further, the crystal resonator also includes shell, side, the stone of the casing cover located at the substrate 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.

Further, each described reed is pancake and tortuous stepped, the width of each reed for 0.4mm~ 1.2mm, wherein, the number of steps that each described reed includes is 1~6, and the width of each step is 0.3mm~20mm, each The height of step is 0.2mm~1.5mm.

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 wire, when needing for the crystal resonator to be installed on wiring board, by two Root terminal pin respectively to both sides bending, and the every height of terminal pin dogleg section and metal wire equal diameters, and due to every The height of root terminal pin dogleg section and the equal diameters of metal wire, therefore when crystal resonator is installed on wiring board, metal Line can play a part of support to substrate, so that it is also possible that crystal resonator installation stabilization, is difficult to rock, it is ensured that brilliant The stability of body resonator and the accuracy of frequency, without fitting insulating panels, material-saving, low production cost.This practicality is new Type is skillfully constructed, easy to implement and popularization, and 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, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and The component of the utility model embodiment for showing 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 of the crystal resonator that Fig. 1 is provided for the utility model preferred embodiment；

Structural representation of the crystal resonator in the first visual angle that Fig. 2 is provided for the utility model preferred embodiment；

Profile of the crystal resonator in the first visual angle that Fig. 3 is provided for the utility model preferred embodiment；

The crystal resonator (being free of shell, quartz wafer) that Fig. 4 is provided for the utility model preferred embodiment is in second The structural representation at visual angle；

The terminal pin of the crystal resonator that Fig. 5 is provided 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 wires； 107- shells.

Specific embodiment

Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly 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 of the utility model embodiment generally described and illustrated in accompanying drawing herein 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 need not be further 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 refers to just the crystal resonator made with quartz material, is commonly called as crystal oscillator, plays a part of to produce frequency, With the characteristics of stably, interference free performance is good, it is widely used in various electronic products.At present, crystal resonator into It is the important component of current number information-intensive society, is widely used in the communications field, electronic device field, specifically, is widely used in Need in various kinds of equipment, instrument and the electronic product of frequency stabilization and frequency-selecting, be indispensable crucial unit in current electronic product Part, therefore the market demand of quartz resonator is very high.The waste of the material resources of crystal resonator of the prior art is larger, Production cost is very high.

In view of this, inventor has found by long-term observation and research, there is provided a kind of crystal resonator, the crystal resonant Device includes that crystal resonator includes substrate, quartz wafer, two reeds and two terminal pins, and two terminal pins are located in substrate Between part be provided with metal wire.The crystal resonator due to without fitting insulating panels, material-saving, low production cost, and And be skillfully constructed, it is easy to implement with promote, practicality is very strong.

The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.

Refering to a kind of crystal resonator that Fig. 1, Fig. 2, the utility model embodiment are provided, the crystal resonator includes shell 107th, substrate 101,102, two reeds 103 of quartz wafer and two terminal pins 104.In the present embodiment, the length of substrate 101, Size wide, high is respectively 6.3mm~7.2mm, 3.2mm~3.8mm and 0.5mm~0.9mm.In the specific implementation, substrate Depending on the size of 101 length can be according to actual demand, 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；Again for 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 the substrate 101 of 6.7mm, 3.7mm, 0.7mm.

As shown in Fig. 2 substrate 101 is provided with two through holes, and two through hole interval settings, 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, every a diameter of 0.2mm~1.0mm of terminal pin 104, every is drawn The length of stitch 104 is 3.0mm~13.2mm.In the specific implementation, the every diameter of 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 Fig. 2 every terminal pin 104 forms gap through the part of through hole with a perisporium for through hole, each 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, and certainly, the shape of through hole is using circular optimal.

As shown in figure 3, each terminal pin 104 is provided with a reed 103 through one end of through hole, wherein, each lead Pin 104 is connected with a reed 103 through one end of through hole by the way of spot welding, and each reed 103 is used for and quartz wafer The step of 102 connections and the angle of horizontal plane are 6~8 degree.For example, in the specific implementation, each reed 103 is used for and quartz-crystal The step of the connection of piece 102 and the angle of horizontal plane are 6 degree, 7 degree, 8 degree.Further, two outside spacing of reed 103 It is 3.5mm~4.5mm, two inner side spacing of reed 103 are 0.5mm~1mm.In the specific implementation, two reeds 103 is outer Depending on side spacing can be according to actual demand, for example, can be 3.5mm, 4mm, 4.5mm etc., as long as in 3.5mm~4.5mm models Enclose interior.In the specific implementation, depending on two inner side spacing of reed 103 also can be according to actual demand, for example, can be 0.5mm, 0.8mm, 1mm, as long as in the range of 0.5mm~1mm.

Further, as shown in Figure 2, Figure 3, Figure 4, each reed 103 is pancake and tortuous stepped, each spring The width of piece 103 is 0.4mm~1.2mm, wherein, the number of steps that each reed 103 includes is 1~6, the width of each step It 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 be according to Depending on according to actual demand, for example, can be 0.4mm, 0.8mm, 1.2mm etc., as long as in the range of 0.4mm~1.2mm. In the specific implementation, 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；Again for 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 the shell 107 of 1mm, 0.16mm.

Quartz wafer 102 is arranged on the side of 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, opposite side of the substrate 101 with respect to quartz wafer 102 Metal wire 106 is provided with, metal wire 106 is located between two terminal pins 104, wherein, the two ends of quartz wafer 102 pass through respectively Conducting resinl is connected with reed 103.Quartz wafer 102 is generally ground and is formed by quartzy melting and cutting, and its dioxide-containing silica can Up to more than 99.99%, hardness is seven grades of Mohs, good with high temperature resistant, low thermal coefficient of expansion, resistance to heat shocks and electrical insulation capability The features such as.It is connected with a reed 103 respectively by the two ends of quartz wafer 102, so as to two terminal pins 104 be electrically connected. Quartz wafer 102 selects 4 × 1.8mm quartz wafers 102, and frequency range is from 10MHZ~50MHZ；Overtone frequency scope is from 30MHZ ~125MHZ.

A diameter of 0.3mm~0.5mm of metal wire 106, and of length no more than substrate 101 of metal wire 106 width. During specific implementation, depending on the diameter of metal wire 106 can be according to actual demand, for example, can be 0.3mm, 0.45mm, 0.5mm, only Will be 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 treatment of plating ni-mh；

Second step, each terminal pin 104 each terminal pin 104 near through hole one end spot welding reed 103；

3rd step, part of the substrate 101 between two terminal pins 104 is connected to by the wire bonding of metal wire 106；

4th step, reed 103 is connected to by quartz wafer 102 with conducting resinl；

5th step, enters line frequency adjustment；

6th step, the mode for electric resistance welding encapsulates shell 107 with substrate 101, so as to be made quartz-crystal resonator.

In sum, a kind of crystal resonator that the utility model is provided, a kind of crystal resonant that the utility model is provided Device, the part between the substrate 101 of crystal resonator is located at two terminal pins 104 is provided with metal wire 106.Such as Fig. 5 It is shown, when needing for the crystal resonator to be 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 and the equal diameters of metal wire 106, and due to the every height of the dogleg section of terminal pin 104 The equal diameters of degree and metal wire 106, therefore when crystal resonator is installed on wiring board, metal wire 106 can be to substrate 101 Play a part of support so that it is also possible that the crystal resonator install stabilization, be difficult to rock, it is ensured that crystal resonator it is steady Qualitative and frequency accuracy, without fitting insulating panels, material-saving, low production cost.The utility model is skillfully constructed, easily In implementation and popularization, 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, dropped in the height of 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 ensure the problem of 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 explanation, unless otherwise clearly defined and limited, term " sets Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, Or be integrally connected；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to by intermediary It is indirectly connected to, can is two connections of element internal.For the ordinary skill in the art, 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 need not be further defined and explained in subsequent accompanying drawing.

It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " 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 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.Additionally, 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 need not further be defined and be explained in subsequent accompanying drawing to it.

The above, specific 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, 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 dice spaced is provided with two through holes, and the every terminal pin is each passed through a through hole, and often Terminal pin described in root forms gap through the part of the through hole with a perisporium for the through hole, is burnt in each described gap Knot is filled with insulating barrier, and each described terminal pin is connected through one end of the through hole with a reed, the quartz-crystal Piece is arranged on the side of the substrate, and the two ends of the quartz wafer are connected with a reed respectively, the substrate phase Opposite side to the quartz wafer is provided with metal wire, and the metal wire is located between two terminal pins.

2. crystal resonator according to claim 1, it is characterised in that a diameter of 0.3mm of the metal wire~ 0.5mm, and the of length no more than described substrate of the metal wire width.

3. crystal resonator according to claim 1, it is characterised in that the spacing between two terminal pins is 2.40mm~2.60mm.

4. crystal resonator according to claim 1, it is characterised in that every a diameter of 0.2mm of the terminal pin~ 1.0mm, the every length of the terminal pin is 3.0mm~13.2mm.

5. crystal resonator according to claim 1, it is characterised in that two outside spacing of the reed are 3.5mm ~4.5mm, two inner side spacing of the reed are 0.5mm~1mm.

6. crystal resonator according to claim 1, it is characterised in that each described reed is used for and the quartz wafer The step of connection and the angle of horizontal plane are 6~8 degree.

7. 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.

8. crystal resonator according to claim 1, it is characterised in that each described through hole is circular hole, described in each The diameter of insulating barrier is 1.1mm, and the height of each insulating barrier is 0.5mm.

9. crystal resonator according to claim 1, it is characterised in that the crystal resonator also includes shell, described Casing cover is located at outside the side of the substrate, the quartz wafer and two reeds, the length of the shell Size is respectively 6.3mm~7.2mm, 0.8mm~1.5mm and 0.12mm~0.18mm.

10. crystal resonator according to claim 1, it is characterised in that each described reed is pancake and tortuous Stepped, the width of each reed is 0.4mm~1.2mm, wherein, the number of steps that each described reed includes is 1~6, The width of each step is 0.3mm~20mm, and the height of each step is 0.2mm~1.5mm.