Unlike traditional thermal mass flow controllers that rely on indirect measurement of gas thermal properties, the Yidu laminar pressure differential mass flow controller adopts innovative principles to fundamentally solve many pain points of traditional equipment. Its core lies in converting turbulent gas into a stable and orderly laminar flow state through precision laminar flow elements, using high-sensitivity differential pressure sensors to directly capture the pressure difference at both ends of the laminar flow element, and combining real-time dynamic compensation of built-in temperature and pressure sensors to achieve precise control of mass flow rate. This measurement method based on physical laws endows products with inherent stability and reliability, adapting to the long-term continuous operation process requirements of semiconductor manufacturing.

High precision and strong stability are the core advantages of Yidu products in adapting to semiconductor processes. In semiconductor manufacturing, even small fluctuations in gas flow rate can lead to uneven film thickness, pattern etching deviation, and other issues, directly affecting chip yield. The Yidu laminar pressure differential mass flow controller achieves high measurement accuracy and repeatability by optimizing the design and compensation algorithm of laminar flow components. Even in long-term operation, it can maintain stable control performance, effectively avoiding the accuracy drift problem caused by component aging or environmental changes in traditional equipment. At the same time, its wide range characteristics can cover the full scenario requirements from small flow rates to high flow rates, and a single device can meet the flow control needs of multiple process links, reducing the complexity of equipment configuration.

High environmental adaptability and gas compatibility enable Yidu products to handle the complex working conditions of semiconductor manufacturing with ease. Semiconductor processes not only involve inert gases such as nitrogen and argon, but also various corrosive gases, and there are temperature and pressure fluctuations in the process environment. Yidu products use 316L stainless steel flow channels and metal sealed shells, which can withstand corrosive gas erosion and maintain stable operation in a wide temperature and pressure range, solving the pain point of some domestic equipment with excellent laboratory performance but poor performance under factory conditions. Its built-in multiple gas databases support independent editing of mixed gas ratios, eliminating the need for manual recalibration when switching gases, greatly improving the efficiency and convenience of semiconductor process switching.

The concise and durable characteristics of structural design significantly reduce the operation and maintenance costs of semiconductor enterprises. The core sensing part of the Yidu laminar pressure differential mass flow controller has no easily worn moving parts and mainly relies on static laminar flow elements and pressure differential sensors to work. This not only greatly improves the product's service life, but also reduces the occurrence rate of failures. Compared to the frequent calibration and maintenance requirements of traditional equipment, the calibration cycle of Yidu products has been significantly extended, and the daily maintenance workload has been significantly reduced, effectively reducing equipment downtime and operation costs, and meeting the continuous production needs of semiconductor enterprises.

As the first domestic enterprise to pass the laminar pressure differential certification, Yidu has broken the foreign monopoly with its fully independent research and development capabilities. Its products have been widely used in domestic leading equipment manufacturers such as lithography machines and etching machines, fully verifying its ability to replace imported products. In the context of the national strategy of independent and controllable industrial chain, the Yidu laminar pressure differential mass flow controller not only provides a cost-effective domestic solution for semiconductor enterprises, but also promotes the upgrading of the domestic precision instrument industry through technological innovation.

The domestic substitution of the semiconductor industry is a long-term challenge, and breakthroughs in core components are a key link. The Yidu laminar pressure differential mass flow controller has become an important force in the wave of domestic substitution in semiconductor manufacturing due to its comprehensive advantages of precision, stability, rapid response, strong adaptability, durability, and easy maintenance. In the future, with the continuous iteration of technology, Yidu will further consolidate its core competitiveness and provide stronger support for the independent and high-quality development of the domestic semiconductor industry.