Wafer frequency sorting machine and sorting method thereof

Abstract

The invention discloses a wafer frequency sorting machine and a sorting method thereof.A vibrator, a feeding mechanical arm, a first frequency measuring mechanism, a second frequency measuring mechanism, a discharging mechanical arm, a sorting mechanism and a storage mechanism are arranged on a box body, a feeding hopper and a discharging plate are arranged on the vibrator, and the discharging plate is located on the side close to the feeding mechanical arm; the feeding mechanical arm, the first frequency measuring mechanism, the second frequency measuring mechanism and the discharging mechanical arm are connected to the upper portion of the box body through a support, the sorting mechanism is arranged on the top face of the box body, the storage mechanism is arranged in the box body, and a display screen is arranged on the top face of the box body. The method comprises the steps of box body processing, storage mechanism installation, sorting mechanism installation, support installation and wafer sorting. According to the wafer sorting device, continuous feeding and discharging of wafers can be achieved, secondary frequency detection can be conducted on the wafers, the sorting precision and quality are improved, meanwhile, the sorted wafers can be conveyed into the corresponding storage barrels, and dust or impurities are prevented from entering the wafers.

Description

technical field [0001] The invention relates to a wafer frequency sorting machine and a sorting method thereof. Background technique [0002] Quartz crystal is an important electronic material. When a quartz wafer cut in a certain direction receives mechanical stress, it will generate an electric power or electric charge proportional to the stress, and this phenomenon is called the positive piezoelectric effect. Conversely, when the quartz crystal is subjected to an electric field, it will produce a strain proportional to the electric field, which is called the inverse voltage effect. The positive and negative effects are collectively called the piezoelectric effect. Quartz crystal not only has piezoelectric effect, but also has excellent mechanical properties, electrical properties and temperature properties. The resonators, oscillators and filters designed and manufactured with it have outstanding advantages in frequency stabilization and frequency selection. [0003] ...

AI Technical Summary

Problems solved by technology

[0004] Traditional quartz wafer sorting mainly relies on manual sorting, which has many disadvantages such as slow sorting speed and high error; but in recent years, with the large demand for quartz wafers in the market, automatic quartz wafer sorting equipment has been gradually and widely used. Especially the use of fully automatic quartz wafer sorting equipment

However, the automatic quartz wafer sorting machine has the problems of low sorting production efficiency and low sorting accuracy, and the equipment has problems of poor stability, low reliability and poor repeatability.

Images