CN212063954U

CN212063954U - 5.5296MHZ quartz crystal resonance resistance and trimming tool

Info

Publication number: CN212063954U
Application number: CN202020278718.8U
Authority: CN
Inventors: 蒋启领
Original assignee: Zhongshan Haijing Electronic Co ltd
Current assignee: Zhongshan Haijing Electronic Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-12-01
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to the field of quartz crystal resonators, in particular to an 5.5296MHZ quartz crystal resonance resistor and a trimming tool, which comprises a quartz crystal wafer and a trimming tool; the quartz wafer is movably arranged in the trimming tool for trimming, and the trimming tool comprises a tool main body and a trimming layer; the trimming layer is arranged on the inner side of the tool main body; the quartz crystal wafer is in a parallelogram shape, the acute angle of the quartz crystal wafer is 83-87 degrees, the width of the quartz crystal wafer is 2.070mm, the quartz crystal wafer is mainly used for determining the resistance level of quartz crystal resonance, the resistance level of the existing 5.5296MHZ quartz crystal resonance is difficult to reduce to 20-40 ohms, the requirement of a circuit board manufacturer with resistance less than 40 ohms cannot be met, and the quartz crystal wafer is convenient for users to use.

Description

5.5296MHZ quartz crystal resonance resistance and trimming tool

Technical Field

The utility model belongs to the technical field of quartz crystal syntonizer and specifically relates to an 5.5296MHZ quartz crystal resonance resistance and deburring frock.

Background

Quartz crystal resonance resistance, quartz crystal or crystal oscillator for short, is an electronic component for generating high-precision oscillation frequency by utilizing piezoelectric effect of quartz crystal (also called crystal), belongs to one of passive components, and is generally arranged in various crystal oscillation circuits for frequency control and frequency selection circuit, meanwhile, in the development of modern technology, the quartz crystal resonance resistance is an essential core component for frequency selection and control in modern electronics and communication technology, and is widely applied in military and civil products, such as communication, navigation, quartz clocks, color TV, computers and terminal equipment, various control board cards and the like, however, in the existing market, the resistance level of 5.5296MHZ quartz crystal resonance is between (40-60) ohms, the resistance value is relatively large, but the resistance level determining the quartz crystal resonance is mainly a quartz wafer, the resistance level of the resonance of the existing 5.5296MHZ quartz crystal is difficult to reduce to (20-40) ohm, and the requirement of a circuit board manufacturer with the resistance less than 40 ohm cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a resistance level satisfies 5.5296MHZ quartz crystal resonance resistance and deburring frock that resistance is less than 40 ohm circuit board producer's requirement between 20-40 ohm.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an 5.5296MHZ quartz crystal resonance resistor and trimming tool comprises a quartz wafer and a trimming tool;

the quartz wafer is movably arranged in the trimming tool for trimming, and the trimming tool comprises a tool main body and a trimming layer;

the trimming layer is arranged on the inner side of the tool main body;

the shape of the quartz wafer is parallelogram, the acute angle of the quartz wafer is 83-87 degrees, and the width of the quartz wafer is 2.070 mm.

Further, the four sides of the quartz wafer are in a shape of a circle, the circle amplitude of the four sides (DS ═ 389), and the circle amplitude of the four corners of the quartz wafer (DF ═ 296).

Further, the diameter of the trimming tool is 120 mm.

Furthermore, the quartz crystal wafer is made of artificial crystal, one surface of the quartz crystal wafer is a-X surface, and the other opposite surface of the quartz crystal wafer is a + X surface.

Further, the length of the quartz wafer is 7.995 mm.

Furthermore, the resonance resistance of the 5.5296MHZ quartz crystal is 20-40 omega.

Further, the acute angle of the quartz wafer is 85 degrees.

Further, the obtuse angle of the quartz wafer is 95 degrees.

The utility model adopts the structure, the quartz crystal wafer is arranged into the parallelogram and the corresponding trimming tool is arranged for polishing, meanwhile, the specification of the quartz wafer is set to be 7.995mm long and 2.070mm wide, and the angle of the edge is inclined by 5 degrees, so that the coupling of various parasitic waves and main vibration of the quartz wafer can be effectively removed, thereby reducing the resistance, reducing the resistance level of resonance, meeting the requirement of circuit board manufacturers with the resistance less than 40 omega, therefore, the problem that in the prior art, the resistance level of 5.5296MHZ quartz crystal resonance in the market at present is between (40-60) ohms, the resistance value is large, however, quartz crystal resonance is mainly determined by quartz crystal, the resistance level of the existing 5.5296MHZ quartz crystal resonance is difficult to be reduced to between (20-40) ohms, and the requirement of a circuit board manufacturer with the resistance being smaller than 40 ohms cannot be met is solved.

Drawings

FIG. 1 is a schematic top view of an embodiment of an 5.5296MHZ quartz crystal resonant resistor and trimming tool of the present invention;

FIG. 2 is a schematic front view of a quartz wafer finished in mass production of 5.5296MHz quartz crystal resonant resistor and edge trimming fixture in the embodiment;

FIG. 3 is a schematic structural view of the trimming tool in the embodiment;

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the embodiment of the 5.5296MHZ quartz crystal resonant resistor and trimming tool of the present invention, the 5.5296MHZ quartz crystal resonator includes a quartz wafer 1 (see fig. 1), fig. 1 is a schematic top view of the quartz wafer in the present embodiment, in fig. 1, the shape of the quartz wafer 1 is a parallelogram, four sides of the quartz wafer are in a circular amplitude shape, the acute angle a of the quartz wafer can be 83 degrees to 87 degrees, the length of the quartz wafer is 7.995mm, the width of the quartz wafer is 2.070mm, and the 5.5296MHZ quartz crystal resonator can effectively remove the coupling between various parasitic waves (such as length stretching vibration, surface shear vibration) and main vibration (thickness shear vibration) of the quartz wafer 1, thereby reducing the resistance. The resonance resistance of the 5.5296MHZ quartz crystal resonator is 20 omega-40 omega. The utility model discloses can reduce the resistance level of 5.5296MHZ quartz crystal syntonizer resonance to between 30 omega ~ 40 omega, consequently can reduce the resistance level of resonance, satisfy the requirement that resistance is less than 40 omega circuit board producer.

It is worth mentioning that, in this embodiment, the acute angle a of quartz wafer selects 85 degrees, and the obtuse angle b of quartz wafer selects 95 degrees, and the circle amplitude of parallelogram four sides (DS) ═ 389) simultaneously, four corners circle amplitude (DF ═ 296), this moment, the utility model discloses the effect that reaches is optimum.

In this embodiment, the material of the quartz wafer 1 is artificial crystal having directivity, and one surface of the quartz wafer 1 is a-X surface and the other surface opposite thereto is a + X surface.

The utility model discloses in the middle of a concrete production process, when carrying out mass production to 5.5296MHZ quartz crystal syntonizer, its process flow as follows:

1. finishing the size of the quartz wafer 1, and classifying the quartz wafers 1 with the same length into the same grade;

2. arranging the quartz wafers 1 into a row according to the size, specifically, arranging the quartz wafers 1 in the same file into a row without intervals, dividing the arranged array into a plurality of parts according to a set length range by using a vernier caliper, wherein the length of each part is equal to or close to 26.5mm, each part is a pack, adding a glass sheet (thin glass) on the outer sides of two short edges of the quartz wafer 1 at the topmost and bottommost parts in each part, and specifically, sticking the glass sheets 2 on the positions of the two short edges of the quartz wafer 1 through a special adhesive;

3. arranging the bundled quartz wafers 1, placing the-X surface of the quartz wafers 1 on the quartz wafers, and sticking the quartz wafers 1 together by using a special adhesive, wherein FIG. 2 is a schematic front view of the finished quartz wafers in the mass production of 5.5296MHZ quartz crystal resonators in the embodiment;

4. adhering the quartz wafer 1 tightly by using a special clamp 3 and a special adhesive on two sides of the quartz wafer 1 to form an inclination angle of 5 degrees, as shown in fig. 3, fig. 3 is a schematic diagram illustrating that a plurality of quartz wafers are adhered tightly by using a special clamp in this embodiment;

5. cutting and molding the firmly bonded quartz wafer 1 by adopting special linear cutting equipment;

6. special equipment is adopted for trimming the appearance, and the coupling of various parasitic waves (such as length stretching vibration and surface shear vibration) and main vibration (thickness shear vibration) of the quartz wafer 1 is removed, so that the resistance is reduced;

7. the low-speed roller machine is connected with the trimming tool for trimming, so that the quartz wafer is trimmed to obtain specified parameters of four-corner circular width and four-side circular width along a specific motion track in a free state, the consistency of the edge appearance of the quartz wafer is ensured, the resistance value is greatly reduced, and the requirement of a circuit board manufacturer with the resistance smaller than 40 omega is met.

In summary, in this embodiment, since the shape of the quartz wafer 1 is a parallelogram, the acute angle a of the quartz wafer is 85 degrees, the four sides of the quartz wafer are in a circular-amplitude shape, the obtuse angle b of the quartz wafer is 95 degrees, the length of the quartz wafer is 7.995mm, the width of the quartz wafer is 1.960m, the circular amplitude (DS ═ 389) of the four sides of the parallelogram, and the circular amplitude (DF ═ 296) of the four corners of the quartz wafer are selected, the coupling between various parasitic waves of the quartz wafer 1 and the main vibration can be effectively removed, so as to reduce the resistance, and therefore, the resistance level of the resonance can be reduced, and the requirement of a circuit board manufacturer with the resistance less than 40 Ω can be.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Claims

1. An 5.5296MHZ quartz crystal resonance resistor and trimming tool is characterized by comprising a quartz wafer and a trimming tool;

the trimming layer is arranged on the inner side of the tool main body;

2. The 5.5296MHZ quartz crystal resonant resistor and trimming tool of claim 1, wherein four sides of the quartz wafer are circular in width, the circular amplitudes DS ═ 389 of the four sides, and the circular amplitudes DF ═ 296 of the four corners of the quartz wafer.

3. The 5.5296MHZ quartz crystal resonant resistor and trimming tool of claim 1, wherein the diameter of the trimming tool is 120 mm.

4. The resonant resistance and trimming tool for quartz crystals of 5.5296MHz according to claim 1, wherein the quartz crystal wafer is made of artificial crystal, one surface of the quartz crystal wafer is a-X surface, and the other opposite surface of the quartz crystal wafer is a + X surface.

5. The resonant resistance and trimming tool for quartz crystals of 5.5296MHz according to claim 1, wherein one face of the quartz crystal plate is a-X face and the other opposite face of the quartz crystal plate is a + X face.

6. The resonant resistor and trimming tool for quartz crystal of 5.5296MHz according to claim 1, wherein the quartz wafer has a length of 7.995 mm.

7. The resonant resistance and trimming tool of 5.5296MHZ quartz crystal of claim 1, wherein the resonant resistance of 5.5296MHZ quartz crystal is 20 Ω -40 Ω.

8. The resonant resistor and trimming tool for quartz crystal of 5.5296MHz according to claim 1, wherein the acute angle of the quartz wafer is 85 degrees.

9. The resonant resistor and trimming tool for quartz crystal of 5.5296MHz according to claim 1, wherein the obtuse angle of the quartz wafer is 95 degrees.