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Quartz crystal oscillator cutting method

A technology of quartz crystal and cutting method, which is applied in the direction of impedance network, electrical components, etc., can solve the problems of signal interruption, temperature characteristic curve cannot bypass the resonant mode resonance point, and cannot transmit signals, so as to suppress resonance and reduce coupling vibration , Improve the effect of TC performance

Active Publication Date: 2019-10-01
台晶(重庆)电子有限公司
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Problems solved by technology

[0002] The temperature characteristic curve (TC) in the quartz crystal oscillator industry cannot bypass the resonant mode resonance point due to size design restrictions. Therefore, when the product is used in a harsh environment with alternating high and low temperatures for a long time, the temperature characteristic curve (TC) will jump. -jump) phenomenon, which will cause problems such as signal interruption and inability to transmit signals during product use.

Method used

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with drawings and embodiments.

[0044] One of the objectives of the present invention is achieved by such a technical solution, a method for cutting a quartz crystal oscillator, which comprises the following steps:

[0045] S1: Obtain the chip axis of the quartz crystal ingot;

[0046] S2: Measure the angle of the ingot based on the chip axis, and determine the angle according to the measured angle;

[0047] S3: According to the fixed angle, use the AT cutting method to cut the ingot;

[0048] S4: The large square piece obtained by AT cutting is cut axially with the Z axis as the long side, and the cutting of the quartz crystal ingot is completed.

[0049] Such as figure 1 As shown, in the method of the present invention, the large square sheet obtained by AT cutting is cut axially with the Z axis as the long side, thereby preventing the product use environment from being affected by external condi...

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Abstract

The invention discloses a quartz crystal oscillator cutting method. The cutting method comprises the following steps: acquiring a chip shaft of a quartz crystal rod; based on the chip shaft, measuringthe angle of a crystal bar, and fixing an angle according to the measured angle; cutting the crystal bar in an AT cutting mode according to the fixed angle; and subjecting the large square sheet obtained through cutting in the AT cutting mode to axial reverse cutting with the Z axis as the long edge, and completing cutting of the quartz crystal bar. According to the method, the size of the Z-axisis changed by the Z-elongated (the long edge is the Z-axis), so that the surface shear vibration vibrating along the Z-axis is weakened, resonance generated by the surface shear vibration and the thickness shear vibration is inhibited, the TC (temperature characteristic curve) performance of a product at different temperatures is improved, and a large amount of coupling vibration is reduced.

Description

technical field [0001] The invention relates to the technical field of crystal cutting, in particular to a cutting method for a quartz crystal oscillator. Background technique [0002] The temperature characteristic curve (TC) in the quartz crystal oscillator industry cannot bypass the resonant mode resonance point due to size design restrictions. Therefore, when the product is used in a harsh environment with alternating high and low temperatures for a long time, the temperature characteristic curve (TC) will jump. -jump) phenomenon, which will cause problems such as signal interruption and inability to transmit signals during the use of the product. Contents of the invention [0003] In view of the above-mentioned defects of the prior art, the object of the present invention is to provide a cutting method for a quartz crystal oscillator, which can suppress the resonance of the surface shear vibration and the thickness shear vibration, thereby improving or at least partia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H3/04H03H9/19
CPCH03H3/04H03H9/19H03H2003/0407Y02P40/57
Inventor 桂勝韓來慶顏立力
Owner 台晶(重庆)电子有限公司
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