Manufacturing method of high-temperature-resistant high-precision quartz crystal resonator

Through multi-stage process processing of quartz crystal blocks, a high-temperature resistant and high-precision quartz crystal resonator was prepared, which solved the problem of lacking the production method of high-temperature resistant and high-precision quartz crystal resonator in the prior art, and achieved high-precision frequency output under a wide temperature environment.

CN119743104APending Publication Date: 2025-04-01BEIJING JINGYUXING TECH CO LTD
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Patent Information

Application Number
CN202411788109.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-04-01

AI Technical Summary

Technical Problem

The prior art lacks the production method of high temperature resistant and high-precision quartz crystal resonator, and it is difficult to meet the wide temperature usage environment requirements of -65°C to +200°C.

Method used

A multi-stage process is adopted, including grinding, chamfering and cutting of quartz crystal blocks into quartz wafers. High-temperature cleaning and corrosion are used to obtain high-temperature resistant quartz wafers. Then, cleaning, discharging and coating are carried out to form quartz crystal oscillators, and fixed, fine-tuning, sealed and packaged through conductive glue, and finally passivation test is performed.

Benefits of technology

Mass production of high-temperature resistant and high-precision quartz crystal resonators is achieved, meeting the wide temperature environment requirements of -65℃~+200℃, ensuring high accuracy and stability of the product, and the cost has not increased compared to traditional methods.

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Abstract

The invention relates to the field of electronic components, and discloses a manufacturing method of a high-temperature-resistant high-precision quartz crystal resonator. The manufacturing method of the high-temperature-resistant high-precision quartz crystal resonator comprises the following steps: manufacturing the high-temperature-resistant quartz crystal wafer; manufacturing a high-temperature-resistant quartz crystal oscillator; assembling the high-temperature-resistant and high-precision quartz crystal resonator; and passivating the high-temperature-resistant high-precision quartz crystal resonator. At present, a process method which can be directly adopted for processing and manufacturing a high-temperature-resistant and high-precision quartz crystal resonator does not exist, and the process method still belongs to a research blank. According to the high-temperature-resistant and high-precision quartz crystal resonator, the problem of blank of a high-temperature-resistant and high-precision quartz crystal resonator product process manufacturing method is solved, batch production can be realized, meanwhile, the manufactured product can meet the requirements of a wide-temperature and high-temperature use environment of-65 DEG C to + 200 DEG C, and a wide-temperature working range and a high-temperature-resistant and high-precision frequency output function are realized.
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