Quartz crystal resonator base structure suitable for multiple series of wafers

Abstract

The utility model discloses a quartz crystal resonator base structure suitable for multiple series of wafers, which is characterized in that a base is sequentially composed of a substrate layer, a vibrator electrode layer and a kovar ring from bottom to top; the vibrator electrode layer is provided with a cavity, and the cavity is communicated with the outside through the opening of the kovar ring; a lead PAD is also mounted in the cavity; the quartz vibrator is placed on the lead PAD; the lead PAD comprises a plurality of first-layer PAD bodies and a plurality of second-layer PAD bodies. The base is provided with a cavity, the plurality of first-layer PADs are installed in the cavity, the plurality of second-layer PADs are correspondingly installed on the plurality of first-layer PADs, and one side of each first-layer PAD extends towards the center of the base, so that at least one side of each first-layer PAD protrudes out of each second-layer PAD. According to the device, a single base can adapt to multiple series of wafers, the circuit is simple and stable, the production process is simple and convenient, the base types are further effectively reduced, the base type management efficiency is improved, the production efficiency is improved, and environmental protection and energy conservation are achieved.

Description

Technical Field

[0001] The utility model relates to the relevant technical fields of quartz crystal resonators, and in particular to a quartz crystal resonator base structure suitable for multiple series of wafers. Background Art

[0002] In the field of quartz crystal resonators, the main raw materials are quartz oscillators, generally crystal pieces. Different thicknesses of crystal pieces are required for different frequency requirements. The lower the frequency, the thicker the crystal piece is required to be, and vice versa. Thicker crystal pieces can adapt to large sizes, while thinner crystal pieces are easily damaged and need to be made into small sizes. Crystal pieces of different sizes cannot be placed on the same base, and it is more difficult to manage different types of bases, resulting in a higher error rate and is not conducive to product manufacturing. Utility Model Content

[0003] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a quartz crystal resonator base structure suitable for multiple series of chips, which includes:

[0004] Base, quartz vibrator, lead PAD;

[0005] The base is composed of a substrate layer, a vibrator electrode layer and a ferrite ring from bottom to top;

[0006] A cavity is provided on the vibrator electrode layer, and the cavity is connected to the outside through the opening of the cuttable ring;

[0007] The lead PAD is also installed in the cavity;

[0008] The quartz vibrator is placed on the lead PAD;

[0009] Among them, the lead PAD includes: a plurality of first-layer PADs and a plurality of second-layer PADs; a plurality of the first-layer PADs are installed in the cavity, and a plurality of the second-layer PADs are correspondingly installed on a plurality of the first-layer PADs, and one side of each of the first-layer PADs extends toward the center of the base so that at least one side of each of the first-layer PADs protrudes from each of the second-layer PADs.

[0010] In the above-mentioned quartz crystal resonator base structure adapting to multiple series of chips, an external electrode pad is provided on the bottom surface of the substrate layer.

[0011] In the above-mentioned quartz crystal resonator base structure adapted to multiple series of chips, the quartz vibrator is bonded to the lead PAD by conductive adhesive.

[0012] In the above-mentioned quartz crystal resonator base structure adapting to multiple series of chips, the substrate layer and the vibrator electrode layer are both made of ceramic materials.

[0013] The above-mentioned quartz crystal resonator base structure adapting to multiple series of chips, wherein the corners of the base are concave inwards.

[0014] In the above-mentioned quartz crystal resonator base structure adapting to multiple series of chips, the corners of the cavity are all set to be rounded.

[0015] Compared with the prior art, the above technical solution has the following positive effects:

[0016] Through the application of the utility model, a quartz crystal resonator base structure that is adaptable to multiple series of chips is provided, so that a single base can adapt to multiple series of chips, the circuit is simple and stable, the production process is simple, and the types of bases are further effectively reduced, the efficiency of base type management is improved, the production efficiency is improved, and the environment is protected and energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a top view of a quartz crystal resonator base structure that is suitable for multiple series of chips.

[0018] Figure 2 This is a schematic diagram of a first usage situation of a quartz crystal resonator base structure that is adaptable to multiple series of chips according to the utility model.

[0019] Figure 3 This is a schematic diagram of a second usage of a quartz crystal resonator base structure that is suitable for multiple series of chips according to the utility model.

[0020] Figure 4 This is a schematic diagram of a third usage of a quartz crystal resonator base structure that is suitable for multiple series of chips according to the utility model.

[0021] Figure 5 The utility model is a three-dimensional diagram of a quartz crystal resonator base structure that is suitable for multiple series of chips.

[0022] 1. Base; 2. Lead PAD; 3. Quartz vibrator; 4. Substrate layer; 5. Vibrator electrode layer; 6. Coil; 7. First layer PAD; 8. Second layer PAD. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0024] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0025] like Figures 1 to 5 As shown, a preferred embodiment of a quartz crystal resonator base structure adapting to multiple series of chips is shown, which includes: a base 1, a quartz vibrator 3, and a lead PAD2.

[0026] The base 1 is composed of a substrate layer 4, a vibrator electrode layer 5 and a kovar ring 6 from bottom to top; a cavity is provided on the vibrator electrode layer 5, and the cavity is connected to the outside through the opening of the kovar ring 6; a lead PAD2 is also installed in the cavity; the quartz vibrator 3 is placed on the lead PAD2; wherein, the lead PAD2 includes: a plurality of first-layer PAD7, a plurality of second-layer PAD8; a plurality of first-layer PAD7 is installed in the cavity, a plurality of second-layer PAD8 is correspondingly installed on a plurality of first-layer PAD7, and one side of each first-layer PAD7 extends toward the center of the base 1, so that at least one side of each first-layer PAD7 protrudes from each second-layer PAD8.

[0027] In actual use, the size of the base 1 is 3.2mm*2.5mm. In this device, three first-layer PAD7 are provided, located on both sides of the cavity, and three second-layer PAD8 are also provided. Since one side of each first-layer PAD7 protrudes from each second-layer PAD8, when the quartz vibrator 3 is small, it can be placed on the first-layer PAD7, and when the quartz vibrator 3 is large, it can be placed on the second-layer PAD8. When a large-sized quartz vibrator 3 is installed, there will be no adverse impact on the circuit, and the small-sized quartz vibrator 3 can also be dispensed without being affected.

[0028] The utility model also has the following implementation methods based on the above:

[0029] Further, a quartz crystal resonator base structure adapted to multiple series of wafers, wherein an external electrode pad is provided on the bottom surface of the substrate layer 4. Specifically, the external electrode pad is connected to the outside for electrical conduction.

[0030] Furthermore, a quartz crystal resonator base structure adapted to multiple series of wafers is provided, wherein the quartz vibrator 3 is bonded to the lead PAD 2 by conductive adhesive. Specifically, the quartz vibrator 3 bonded by conductive adhesive is not easy to fall off and does not affect the conductivity.

[0031] Furthermore, a quartz crystal resonator base structure adapted to multiple series of wafers is provided, wherein the substrate layer 4 and the vibrator electrode layer 5 are both made of ceramic materials.

[0032] Furthermore, a quartz crystal resonator base structure adapted to multiple series of wafers is provided, wherein the corners of the base 1 are recessed inwards.

[0033] Furthermore, a quartz crystal resonator base structure adapted to multiple series of wafers is provided, wherein the corners of the cavity are all rounded. Specifically, the corners of the cavity are all rounded, so that the quartz vibrator 3 is not easily affected.

[0034] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A quartz crystal resonator base structure adapted to multiple series of chips, characterized in that: include: Base, quartz vibrator, lead PAD; The base is composed of a substrate layer, a vibrator electrode layer and a ferrite ring from bottom to top; A cavity is provided on the vibrator electrode layer, and the cavity is connected to the outside through the opening of the cuttable ring; The lead PAD is also installed in the cavity; The quartz vibrator is placed on the lead PAD; Among them, the lead PAD includes: a plurality of first-layer PADs and a plurality of second-layer PADs; a plurality of the first-layer PADs are installed in the cavity, and a plurality of the second-layer PADs are correspondingly installed on a plurality of the first-layer PADs, and one side of each of the first-layer PADs extends toward the center of the base so that at least one side of each of the first-layer PADs protrudes from each of the second-layer PADs.

2. The quartz crystal resonator base structure adapted to multiple series of chips according to claim 1, characterized in that: The bottom surface of the substrate layer is provided with an external electrode pad.

3. The quartz crystal resonator base structure adapted to multiple series of chips according to claim 1, characterized in that: The quartz vibrator is bonded to the lead PAD by conductive adhesive.

4. The quartz crystal resonator base structure adapted to multiple series of chips according to claim 1, characterized in that: The substrate layer and the vibrator electrode layer are both made of ceramic material.

5. The quartz crystal resonator base structure adapted to multiple series of chips according to claim 1, characterized in that: The corners of the base are recessed inwards.

6. The quartz crystal resonator base structure adapted to multiple series of chips according to claim 1, characterized in that: The corners of the cavity are all rounded.

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