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The present invention relates to a field of quantitative feeding technology, and in particular to a three-axis movable vertical powder high-precision quantitative feeding device suitable for fine chemical, new energy, food and pharmaceutical industries, comprising a frame, a storage bin is provided above the frame, a feed port is provided at the top of the storage bin, a discharge port is provided at the bottom of the storage bin, a switch door mechanism for closing or opening the discharge port is provided at a position near the discharge port of the frame, a feeding unit for outputting materials is provided in the storage bin, a conveying unit for conveying a container to the discharge port position of the storage bin is provided below the storage bin, a conveying platform for carrying the conveying unit is provided on the frame, and a mobile lifting unit for lifting and moving the entire conveying unit from the conveying platform is provided below the conveying unit. The present invention adopts internal vertical spiral feeding and a double-axis form of external stirring and arch breaking. The inner and outer double axes are driven by double motors respectively, and the structure is independent.

This application discloses a method for manufacturing probe card adapter boards based on MEMS processing technology. The adapter board is made of a ceramic substrate that has undergone correction and compensation treatment followed by rewiring. The correction and compensation treatment involves forming several position-corrected pads on the bonding surface of the ceramic substrate after sintering using a rewiring process. These pads are then electrically connected to several electrodes within the ceramic substrate. This method changes the position of the PADs through a compensation layer, ensuring that the position of the exposed PADs on the flip-chip bonding surface of the adapter board meets production requirements. The flip-chip bonding surface can be reprocessed, and this method offers faster turnaround time, stability, and simplicity.

This utility model relates to the field of rehabilitation diagnostic technology, specifically a device for balance function testing, comprising a base and a balance ball. The device is characterized by a pressure detection seat in the center of the base, a balance plate fixedly connected to the top of the balance ball, columns fixedly connected to the four corners of the top of the base, a crossbeam fixedly connected between the four columns, a lead screw rotatably connecting the crossbeam and the base, and a guide rod fixedly connected between the crossbeam and the base. The advantages are: by driving the lead screw with a motor to rotate, the U-shaped support rises, supporting the bottom of the balance plate and ensuring its levelness. This prevents the balance plate from tilting when the patient steps onto it, making it easy and quick for the patient to get on. After the patient is ready, the motor lowers the U-shaped support, eliminating the need for support and allowing for balance function testing. Therefore, it is convenient for the patient to use.