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Quartz crystal oscillation sheet

A crystal oscillator and quartz crystal technology, applied to electrical components, impedance networks, etc., can solve problems such as unfavorable storage, easy scratches, and easy oxidation of crystal oscillators

Inactive Publication Date: 2015-08-19
ZHONGSHAN TAIWEI ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to gold crystal oscillators, other types of crystal oscillators are easy to oxidize in the air, which is not conducive to preservation, and the conductive coating is too soft and prone to scratches
Gold crystal vibrator is only suitable for monitoring and measurement of low stress material coating

Method used

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  • Quartz crystal oscillation sheet
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Embodiment Construction

[0014] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

[0015] As shown in the figure, a quartz crystal vibrating plate includes a quartz crystal plate 1, and a metal conductive coating 2 is plated on the surface of the quartz crystal plate 1. The metal conductive coating 2 is composed of an aluminum conductive layer placed on the bottom surface and placed on the aluminum layer. The gold conductive layer, the metal conductive coating in this case uses two metal layers, aluminum coating and gold coating. The aluminum coating has good ductility, but the oxidation resistance is weak, so a layer of gold coating is coated on the aluminum coating. When the evaporation rates of aluminum plating and gold plating are high, the two materials are effectively and evenly combined into gold and aluminum alloys. In addition, the thickness ratio of the aluminum conductive layer and the gold conductive layer is that the aluminum cond...

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Abstract

The invention relates to a quartz crystal oscillation sheet, which comprises a quartz crystal sheet, and is characterized in that the surface of the quartz crystal sheet is plated with a metal conductive coating, and the metal conductive coating is a gold-aluminum alloy coating formed by mixing an aluminum conductive layer plated at the bottom surface at first and a gold conductive layer plated on the aluminum layer thereafter; according to a thickness ratio of the aluminum conductive layer and the gold conductive layer, the aluminum conductive layer occupies 75%-99% of the thickness of the whole metal conductive coating, and the gold conductive layer occupies 1-25% of the thickness of the whole metal conductive coating. The alloy quartz crystal oscillation sheet provided by the invention is reasonable in structure, good in electrode contact performance, and not only capable of adapting to low-stress coating materials, but also capable of adapting to high-stress coating materials in coating monitoring.

Description

【Technical field】 [0001] The invention relates to a quartz crystal oscillator. 【Background technique】 [0002] We know that thin and round crystal oscillators are derived from quartz blocks, and after repeated cutting and grinding, they are finally made into a pile of thin (thickness about 0.27mm, diameter about 13.97mm, or thickness about 0.33mm) , about 12.43mm in diameter) discs, each disc is polished and cleaned, and finally plated with metal electrodes (full plated on the front, plated with a keyhole shape on the back), after testing, the package can be used in the factory. [0003] Quartz crystal oscillator, also known as crystal oscillator, or crystal oscillator, such as figure 1 with figure 2 As shown, the center of the back of the quartz crystal oscillator currently on the market is the energy area, which is in contact with the surrounding conductive coating through a pair of symmetrical electroplating layers. The front and back of the quartz crystal oscillator ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03H9/19
CPCH03H9/19
Inventor 陈愿勤肖共和
Owner ZHONGSHAN TAIWEI ELECTRONICS CO LTD