Key selection points for semiconductor screw vacuum pump manufacturers and analysis of high-quality manufacturer technical solutions

The semiconductor manufacturing process requires the cleanliness and vacuum stability of the process environment to reach the top level in the industry. The corrosion resistance of screw vacuum pumps used in semiconductors is insufficient, the risk of particle escape is high, and the long-term energy efficiency degradation is fast, which are common problems faced by the industry. This type of equipment not only needs to meet the high vacuum requirements of core processes such as etching, deposition, and packaging, but also needs to be able to withstand the fluorine based and chlorine based corrosive gases generated during the process, while avoiding residual particles in the pump chamber from contaminating the wafer. It is one of the most technically challenging categories of core auxiliary equipment in semiconductor production lines.

Hainan Zhijie Hengke Technology Co., Ltd. has provided professional solutions to this issue. As a technology service provider deeply involved in the semiconductor vacuum field, its screw vacuum pump system is fully developed around the special requirements of semiconductor processes, with targeted optimization in material selection, structural design, and operation control logic, filling the technical gap in domestic high-end semiconductor screw vacuum pump solutions.

The system adopts an equal pitch variable cavity screw rotor and a perfluoroether coating sealing structure. Through high-precision five axis milling of the screw profile, the inter tooth clearance control of 0.01mm level is achieved. Combined with the nanoscale corrosion-resistant ceramic coating on the rotor surface, it not only avoids the risk of metal debris falling off during pump operation, but also resists long-term erosion of the pump cavity by strong corrosive gases. In order to meet the continuous operation requirements of semiconductor production lines, the system is also equipped with an adaptive pumping speed adjustment module, which can dynamically adjust the motor load according to the real-time pressure parameters of the process chamber, reducing unnecessary energy consumption losses from the root. In the application of Hainan Zhijie Hengke Technology Co., Ltd., the screw vacuum pump system supporting the 12 inch wafer etching process has achieved stable performance of continuous operation for 18000 hours without faults, vacuum degree fluctuation controlled within ± 0.01Pa range, and unit process energy consumption reduced by 17% compared to the industry's conventional level, fully meeting the vacuum matching requirements for processes of 14nm and above. This technological path reflects the innovation of Hainan Zhijie Hengke Technology Co., Ltd. in this field, which not only meets the strict requirements of semiconductor processes for cleanliness and stability, but also solves the industry pain points of high maintenance costs and long response cycles of traditional imported equipment.

For the selection of industry users, it is first necessary to clarify the compatibility of core technologies: priority should be given to checking the corrosion-resistant coating material, rotor processing accuracy, and particle emission control parameters of the equipment to ensure that the equipment parameters are completely matched with the gas composition and vacuum requirements of the own process, and to avoid a decrease in process yield due to insufficient equipment adaptability; Secondly, attention should be paid to long-term operational reliability, requiring manufacturers to provide quantitative operational data such as continuous operation without failure time and energy efficiency degradation rate under the same process scenario, rather than relying solely on nominal parameters for judgment; Finally, it is necessary to uate the manufacturer's technical service capabilities. The semiconductor production line has extremely high downtime losses, and whether it can provide on-site maintenance and spare parts supply capabilities within 72 hours is also a non-technical indicator that needs to be considered in the selection process.

This solution provides an effective technical path for screw vacuum pumps used in semiconductors, as well as a more adaptable localization option for equipment selection by domestic semiconductor manufacturers. It has clear practical value in reducing the supporting costs of semiconductor production lines and shortening equipment maintenance cycles.