2results about How to "Won't rub" patented technology

The utility model provides a silicon wafer restoration device. The silicon wafer restoration device comprises a restoration main body; the end part restoration mechanism comprises a lifting assembly and an end part restoration assembly, the lifting assembly is arranged on the restoration main body, the lifting assembly is connected with the end part restoration assembly, the lifting assembly drives the end part restoration assembly to ascend and descend, the end part restoration assembly comprises an end part restoration driving piece and an end part restoration block, the end part restoration driving piece is connected with the end part restoration block, and the end part restoration driving piece is connected with the end part restoration block. An inclined surface which is inclined towards the inclined upper part far away from the end part restoration driving piece is arranged on the end part restoration block; and the side edge restoration mechanism is arranged on the restoration main body, the side edge restoration mechanism comprises a left side restoration assembly and a right side restoration assembly, and the end restoration assembly is located between the left side restoration assembly and the right side restoration assembly. The silicon wafer restoration device can restore the end portion, the left side and the right side of the silicon wafer at the same time, the automation degree is high, compared with manual restoration, the labor cost is saved, and the working efficiency is improved.

This utility model discloses a fully open wearable stereo earphone, including a charging case, an inner tray, earphone bodies, an earphone fixing assembly, and a circuit assembly. The charging case includes an upper box body with a lower box body disposed on the upper box body. The inner tray includes an upper cover, a lower cover and a bonding piece disposed below the upper cover, with the bonding piece fixed to the upper and lower cover respectively. The earphone body is disposed on the earphone fixing assembly, which includes a storage block. A first earphone chamber and a second earphone chamber communicating with the first earphone chamber are disposed on the upper surface of the storage block. The circuit assembly includes a protective shell, which is a cavity structure with an opening at the top and a hollow interior, and has a mounting groove. This fully open wearable stereo earphone adopts a healthy sound solution, combining a wide sound field and a free and comfortable listening experience without intruding into the ears with the convenience of earphones, and does not produce sound leakage.