6results about How to "Solve structural instability" patented technology

The utility model relates to the technical field of semiconductor manufacturing, in particular to a double-electrode electrostatic chuck for semiconductor equipment, which comprises a base and an electrostatic chuck main body part, the electrostatic chuck main body part is connected onto the base, and the electrostatic chuck main body part comprises a ceramic substrate, a graphical protective layer and a thin film electrode, the patterned protective layer covers the ceramic substrate, two thin film electrodes are arranged between the patterned protective layer and the ceramic substrate to form a dual-electrode structure, and the thin film electrodes are located between the ceramic substrate and the patterned protective layer or embedded in the ceramic substrate. According to the utility model, by forming the electrostatic chuck main body part with the graphical protective layer, the plasma resistance, the surface hardness and the thermal conductivity of the electrostatic chuck main body part are enhanced; the problems that in the prior art, an electrostatic chuck is prone to damage and the structure of the electrostatic chuck is unstable at high temperature are solved, and the service life of the electrostatic chuck is prolonged. The utility model also discloses a plasma processing device.

This utility model provides a scooter with an adjustable height support leg structure, including a control lever, a front wheel assembly, foot pedals, a support assembly, and a rear wheel assembly. The support assembly includes a support body, movable legs, and an adjustment fixing member. The support body includes a connecting end and an adjusting end. The connecting end is hinged to the foot pedal. The movable legs are fitted onto the adjusting end. The adjusting end has multiple first adjustment holes spaced apart, and the movable legs have multiple second adjustment holes that mate with the first adjustment holes. The adjustment fixing member passes through and is positioned in both the first and second adjustment holes. The advantages are: by cooperating with the movable legs and the support body, the relative position between the movable legs and the support body can be changed to a specified length. After aligning the first and second adjustment holes, the adjustment fixing member can be inserted to fix the relative position between the movable legs and the support body, effectively improving the user experience and meeting user needs.

The utility model relates to the technical field of well drilling tool, concretely relates to a big drift precision pressure control floating cementing tool, including coupling body and pressure difference mechanism, pressure difference mechanism includes pressure difference sleeve, fixed ring, four fixed assemblies and floating assembly, and pressure difference sleeve and coupling body sliding connection, and fixed ring and pressure difference sleeve fixed connection, and four fixed assemblies evenly set up outside fixed ring, and floating assembly sets up below pressure difference sleeve, and fixed assembly includes locating block, first spring and limit piece, and one end of locating block and coupling body sliding connection, and limit piece and locating block fixed connection lie in the side of locating block, and first spring sets up inside coupling body, and the outer wall of pressure difference sleeve is provided with the clamping hole, and the clamping hole and locating block are adapted, and through the setting of above -mentioned structure, the problem of unstable structure of the prior art is solved, and the butt joint of sleeve is completed through the fracture of shearing pin.

The invention belongs to the field of lithium ion battery positive electrode materials, and particularly relates to a modified lithium iron manganese phosphate positive electrode material and a preparation method thereof. By utilizing the unique advantages of Cu9S5 and lithium manganese iron phosphate, Cu9S5 and lithium manganese iron phosphate are prepared into a novel composite positive electrode material with a specific conductive network, and the conductivity and lithium ion diffusion rate of lithium manganese iron phosphate are expected to be improved, so that the composite positive electrode material is applied to a high-performance lithium ion battery.

The utility model discloses a hollow plate with double damping functions, belongs to the technical field of hollow plates, and solves the problems that a buffer damping plate layer of an existing device is positioned in the middle of the hollow plate, the surface of the hollow plate is easy to sink downwards when being impacted, and the joint of a plurality of laid hollow plates is changed, so that the structure after installation is unstable. Comprising a lower plate body, an upper plate body is fixedly installed on the top face of the lower plate body, evenly-distributed through grooves are formed in the front side of the lower plate body and the front side of the upper plate body in a penetrating mode, a cushioning column is arranged between the lower plate body and the upper plate body, and installation grooves are formed in the bottom face of the lower plate body and the top face of the upper plate body respectively. And a cushioning pad is fixedly sleeved with the mounting groove, impact force borne by the hollow plate can be absorbed through the cushioning pad, only the cushioning pad located in the middle of the surface of the hollow plate deforms to absorb the impact force, the stability of the hollow plate mounting structure is improved, and vibration borne by the hollow plate can be further absorbed through the cushioning columns.

The utility model relates to a splicing type box, belongs to the technical field of splicing type boxes, and particularly relates to a splicing type box with an adjustable accommodating space, which comprises four side plates, every two of the four side plates are detachably connected with each other, a sealing assembly is arranged outside each side plate and comprises two adjusting plates, the two adjusting plates are respectively positioned at the upper end and the lower end of each side plate, and the two adjusting plates are connected with each other. An adjusting assembly is arranged in the side plate, and the adjusting assembly comprises four fixing blocks, an adjusting ball, a linkage rod, a moving plate and a connecting groove; according to the utility model, the position of the movable plate is adjusted by rotating the adjusting bolt, and the fixed block is movably connected with the movable plate through the linkage rod and the adjusting ball, so that the four side plates are gathered or extended under the pulling of the movable plate, the effect of adjusting the size of the box body is achieved, and meanwhile, the stability of the positions of the four side plates is ensured; the problem that an existing box body is unstable in structure is solved.