CN203734633U

CN203734633U - Novel crystal resonator

Info

Publication number: CN203734633U
Application number: CN201420012819.5U
Authority: CN
Inventors: 任妍霓
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-09
Filing date: 2014-01-09
Publication date: 2014-07-23
Anticipated expiration: 2024-01-09

Abstract

The utility model discloses a novel crystal resonator, comprising a horizontal arranged substrate, two glass beads vertically extending in the substrate, two vertically extending leads, a quartz crystal wafer above the two leads, and an outer housing. Each glass bead is provided with a hole. The two leads respectively pass through the corresponding holes. The upper end of each lead is on the substrate. The lower end of each lead is below the substrate. The substrate is provided with two horizontal walls which are horizontally arranged, and two outer side walls which are vertically arranged. The outer housing is provided with an upper part which forms a sealed cavity with the substrate, and two lower clamping side casings matched with the two outer side walls of the substrate. The base and the outer housing of the novel crystal resonator mainly uses concept of positioning by the periphery of the base and the outer housing, so as to prevent that a conventional crystal resonator relays on lug boss part of the substrate, and dimensions of the substrate lug boss part are greatly reduced.

Description

Novel crystal resonator

Technical field

The utility model relates to a kind of electronic devices and components, relates in particular to a kind of ultrathin quartz crystal resonator.

Background technology

At present, the ultrathin to crystal resonator in electronic product, the demand of miniaturization are increasingly strong, but due to this body structure of crystal resonator and restriction that must practical function, cause that this series products is more difficult to be improved to thinner, less direction.

As everyone knows, the difference that existing various resonator is mutual is also little, mostly around " whether shell fragment being set, lead-in wire has or not to be flattened, whether insulation spacer adds " change or reduce cost and the volume of resonator, but holistic cost and volume are still bigger than normal, as the CN202713245U Chinese patent of on 01 30th, 2013 bulletins in prior art, it discloses a kind of crystal resonator, this crystal resonator comprises the cap of base and cover on pedestal, pedestal is provided with convex substrate protuberance, therefore the size on the vertical direction of crystal resonator is larger.

In view of above-mentioned defect, be necessary to design in fact a kind of Novel crystal resonator.

Utility model content

Technical problem to be solved in the utility model is: a kind of Novel crystal resonator is provided, to reach the volume of further reduction crystal resonator, meets crystal resonator ultrathin and subminaturization, be easy to production and processing simultaneously.

For solving the problems of the technologies described above, the technical solution of the utility model is: (to be with shell fragment, lead-in wire is not flattened, the crystal resonator that does not add insulation spacer is that example describes) the utility model discloses a kind of Novel crystal resonator, it comprises: horizontally disposed substrate, along two beades that vertically extend in substrate, two lead-in wires that vertically extend, be positioned at the quartz wafer of two lead-in wire tops, and shell body, described in each, in bead, be provided with perforation, described two lead-in wires are respectively through respective perforations, the upper end going between described in each is positioned at the top of substrate, the lower end going between described in each is positioned at the below of substrate, two lateral walls that described substrate has horizontally disposed two horizontal wall and vertically arranges, described shell body have surround the top of annular seal space with substrate and match with substrate two lateral walls two under press from both sides side shell.

Further, the top of described shell body is roughly " several " font, described top comprises the horizontal part be arrangeding in parallel with substrate, the vertical portion and the transverse part that stretches out from vertical portion that vertically extend from horizontal part two outer ends downwards, and described transverse part is parallel to horizontal part.

Further, described lower folder side shell vertically extends downwards and is coated on outside the lateral wall of substrate from transverse part.

Further, the vertical portion that the top of described shell body comprises horizontally disposed horizontal part and vertically extends downwards from horizontal part two outer ends, described lower folder side shell and vertical portion are structure as a whole, and described lower folder side shell is positioned at the below of vertical portion.

Further, described lower folder side shell is connected by zinc-plated with the lateral wall of substrate.

Adopt technique scheme, the utility model beneficial effect is: Novel crystal oscillator base and shell have mainly adopted the design with pedestal outermost and shell location, thereby avoid the dependence of conventional crystal resonator to substrate bumps portion part, the size of substrate bumps portion can significantly be reduced, until cancel the existence of substrate bumps portion, so that the total height of resonator can be dwindled more after the height after the height of resonator base and wafer point glue and capsule, thereby realize the ultrathin of crystal resonator.

brief description of the drawings

Fig. 1 goes between not flatten, do not add insulation spacer but the schematic diagram of existing resonator with shell fragment.

Fig. 2 is the schematic diagram (protruding containing annular seal) of the crystal resonator of not flattening, do not add insulation spacer but announce with the utility model of shell fragment of going between.

Fig. 3 is the schematic diagram of shell body shown in Fig. 2.

Fig. 4 is the schematic diagram (it is protruding that it has cancelled annular seal) of the crystal resonator of not flattening, do not add insulation spacer but announce with the utility model of shell fragment of going between.

Wherein: 1. substrate, 11. annular seals are protruding, 12. horizontal wall, 13. lateral walls, 13. main parts, 2. bead, 21. perforation, 3. lead-in wire, 4. shell fragment, 5. quartz wafer, 7. shell body, 71. tops, 711. horizontal parts, 712. vertical portions, 713. transverse parts, 72. times folder side shells, 8. seal chamber

embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated to (describing as an example of the crystal resonator of not flattening, do not add insulation spacer with shell fragment, lead-in wire example).

Be illustrated in figure 1 the structure of existing crystal resonator, existing crystal resonator comprises that substrate 1', two bead 2'(do not analyse and observe part and can't see), two lead-in wire 3', two shell fragment 4', quartz wafer 5' and shell 7'.On substrate 1', be provided with the 10' of substrate bumps portion and be positioned at the annular seal protruding 11 ' of the 10' of substrate bumps portion both sides.

Existing crystal resonator is distinguished part each other, all roughly about some common dispensable parts, as shell fragment 4' has having of adding not add, for another example 3' goes between, lead-in wire 3' on crystal resonator on the market of seeing that generally everybody understands flattens, also have selling without just flattening of minority, insulation spacer is also to have having of containing not contain simultaneously.

The common defect of existing resonator is: (1), all above substrate 1', have a 10' of substrate bumps portion, by outer surface and the shell 7' inner surface clamping of the 10' of substrate bumps portion, mode, structure that this shell 7' is combined with substrate 1', 10' is essential in substrate bumps portion, it in prior art, is its size of reduction simply, but fail to ban, therefore cost is high, volume is large always; (2), simultaneously due to the structure of existing this shell 7' and the 10' of substrate bumps portion, cause it to be unable to do without and be combined and assist with shell 7' inner surface with the annular seal protruding 11 ' at substrate 1' two ends, so structure just shows slightly dullness, complicated.

As shown in Figure 2 to Figure 3, a kind of Novel crystal resonator, it comprises: horizontally disposed substrate 1, along two beades 2 of substrate 1 interior vertical extension, two lead-in wires 3 that vertically extend, be positioned at quartz wafer 5 and the shell body 7 of two lead-in wire 3 tops.

In each bead 2, be provided with 21, two lead-in wires 3 of perforation respectively through respective perforations 21, the upper end of each lead-in wire 3 is positioned at the top of substrate 1, and the lower end of each lead-in wire 3 is positioned at the below of substrate 1.Two lateral walls 13 that substrate 1 has horizontally disposed two horizontal wall 12 and vertically arranges, shell body 7 have surround the top 71 of seal chamber 8 with substrate 1 and match with 1 liang of lateral wall 13 of substrate two under press from both sides side shell 72.The top 71 of shell body 7 is roughly " several " font, top 71 comprises the horizontal part 711 be arrangeding in parallel with substrate 1, the vertical portion 712 and the transverse part 713 that stretches out from vertical portion 712 that vertically extend from 711 liang of outer ends of horizontal part downwards, and this transverse part 713 is parallel to horizontal part 711.Lower folder side shell 72 vertically extends and is coated on outside the lateral wall 13 of substrate 1 downwards from transverse part 713.In horizontal wall 12, be provided with annular seal protruding upward protruding 11, this annular seal protruding 11 coordinates with transverse part 713.

Novel crystal resonator as shown in Figure 4, compared with Fig. 2, it is protruding 11 that main difference is to have cancelled annular seal, and the shape of shell body 7 is corresponding to be changed to some extent, further reduces to have reduced the volume of Novel crystal resonator.The vertical portion 712 that the top 71 of shell body 7 comprises horizontally disposed horizontal part 711 and vertically extends downwards from 711 liang of outer ends of horizontal part, lower folder side shell 72 is structure as a whole with vertical portion 712, and lower folder side shell 72 is positioned at the below of vertical portion 712.Lower folder side shell 72 is connected by zinc-plated with the lateral wall 13 of substrate 1.

Above an embodiment of the present utility model is had been described in detail, but the preferred embodiment that described content is only created for the utility model can not be considered to the practical range of creating for limiting the utility model.All equalization variation and improvement etc. of doing according to the utility model creation application range, within all should still belonging to patent covering scope of the present utility model.

Claims

1. a Novel crystal resonator, it comprises: horizontally disposed substrate, along two beades that vertically extend in substrate, two lead-in wires that vertically extend, be positioned at the quartz wafer of two lead-in wire tops, and shell body, described in each, in bead, be provided with perforation, described two lead-in wires are respectively through respective perforations, the upper end going between described in each is positioned at the top of substrate, the lower end going between described in each is positioned at the below of substrate, two lateral walls that described substrate has horizontally disposed two horizontal wall and vertically arranges, it is characterized in that: described shell body have surround the top of annular seal space with substrate and match with substrate two lateral walls two under press from both sides side shell.

2. Novel crystal resonator as claimed in claim 1, it is characterized in that: the top of described shell body is roughly " several " font, described top comprises the horizontal part be arrangeding in parallel with substrate, the vertical portion and the transverse part that stretches out from vertical portion that vertically extend from horizontal part two outer ends downwards, and described transverse part is parallel to horizontal part.

3. Novel crystal resonator as claimed in claim 2, is characterized in that: described lower folder side shell vertically extends downwards and is coated on outside the lateral wall of substrate from transverse part.

4. Novel crystal resonator as claimed in claim 1, it is characterized in that: the vertical portion that the top of described shell body comprises horizontally disposed horizontal part and vertically extends downwards from horizontal part two outer ends, described lower folder side shell and vertical portion are structure as a whole, and described lower folder side shell is positioned at the below of vertical portion.

5. Novel crystal resonator as claimed in claim 4, is characterized in that: described lower folder side shell is connected by zinc-plated with the lateral wall of substrate.