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- Contact number:0755-2708-8292
- Mobile Number:18938693455(Helen Yu)
- Enterprise Email:yw11@zldsmt.com
- Shenzhen Factory (Headquarters):Building A3, Huafa Industrial Park, Fuyong Street, Fuyuan Road, Baoan District, Shenzhen
- Nantong Factory Address:No.268 Jinchuan Road, Nantong Hi-tech Industrial Development Zone, Tongzhou District, Nantong City, Jiangsu Province
- Kunshan Factory Address:No.1318, Shuixiu Road, North Private Industrial Park, Yushan Town, Kunshan City, Jiangsu Province
Stainless Steel Slit Sheet
Stainless Steel Slit Sheet is precision manufactured via advanced photochemical etching, crafted from high-grade 304/316L stainless steel. Featuring ultra-fine, uniformly distributed slits (0.02mm minimum width) with burr-free, smooth edges, it delivers exceptional flow control, dimensional stability, and corrosion resistance. Free from mechanical stress or deformation, it maintains structural integrity even in ultra-thin formats. Ideal for semiconductor, aerospace, medical, and industrial automation applications, supporting custom slit patterns, sizes, and thicknesses to meet stringent performance requirements.
Application area
- Semiconductor Equipment，Aerospace Systems，Medical Devices，Industrial Automation，Optical Instruments
Product features
Stainless Steel Slit Sheet adopts state-of-the-art photochemical etching (PCM), a non-contact manufacturing technology that has become the gold standard for producing high-precision metal slit components. Unlike traditional mechanical processing methods that rely on physical cutting, etching uses selective chemical corrosion to shape stainless steel substrates, enabling the creation of micro-slit structures with precision levels unattainable by conventional techniques. This makes it indispensable for industries where flow control, particle separation, or optical performance depend on ultra-fine, consistent slit dimensions.
At the core of etched Stainless Steel Slit Sheet lies unparalleled precision control. Etching technology achieves micron-level dimensional regulation, with the minimum slit width reaching an impressive 0.02mm and the slit width error strictly controlled within ±0.003mm. This level of accuracy is critical for applications such as semiconductor gas delivery and medical fluid management, where even minute variations in slit size can disrupt flow rates or compromise process stability. The evenly distributed slits, processed with photolithography mask precision, ensure uniform airflow/fluid passage across the entire sheet surface, eliminating dead zones and ensuring consistent performance throughout the component’s lifespan.
Furthermore, the etching process guarantees superior material integrity and surface quality. As a cold processing method, etching avoids the heat-affected zone (HAZ) and mechanical stress associated with stamping, laser cutting, or mechanical drilling. This means the stainless steel substrate retains its original mechanical properties—including high corrosion resistance, toughness, and flatness—without deformation, microcracks, or burrs. For ultra-thin stainless steel substrates (as thin as 0.05mm), etching maintains structural integrity, preventing warping or tearing that often plagues mechanical processing of thin materials. The burr-free, smooth slit edges also eliminate the risk of particle shedding, making etched slit sheets ideal for cleanroom and medical applications.
In addition, etching supports complex custom slit patterns with high batch consistency. Stainless Steel Slit Sheets often require specialized slit designs—such as gradient-width slits, array-patterned slits, or irregular-shaped slits—to meet unique flow control or optical modulation needs. Etching enables one-step molding of these complex patterns through photolithography mask design, eliminating the need for multiple processing steps or expensive custom tooling. The roll-to-roll or panel-based production process ensures exceptional batch consistency, with slit spacing and width variation between units limited to less than 0.001mm and a yield rate stable above 99.5%. This not only meets the mass production demands of industrial and semiconductor manufacturers but also shortens the R&D cycle for customized slit designs.
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Product advantages
Stainless Steel Slit Sheet processed by etching technology offers distinct competitive advantages over alternative manufacturing methods such as mechanical drilling, laser cutting, and stamping. These advantages, combined with its wide-ranging industry applications, solidify etching’s role as the core technology for high-precision stainless steel slit components in modern manufacturing.
The primary advantage of etching is its ability to process ultra-fine, high-aspect-ratio slit structures. Mechanical drilling is limited by tool size, making it impossible to produce slits narrower than 0.1mm, and often results in rough, uneven hole edges. Laser cutting, while capable of fine features, causes thermal deformation and HAZ on stainless steel surfaces, altering material properties and leading to inconsistent slit dimensions. Stamping, meanwhile, suffers from tool wear and material deformation, struggling to maintain precision for ultra-thin or high-hardness stainless steel substrates. In contrast, etching can effortlessly produce sub-0.02mm slits with crisp, clean edges, making it the only viable solution for the micro-slit requirements of semiconductor and high-precision optical industries. This precision directly translates to improved flow control efficiency, reduced particle contamination, and enhanced overall product performance.
Another critical benefit is elimination of post-processing costs and defects. Etched Stainless Steel Slit Sheets are inherently burr-free, debris-free, and stress-free, eliminating the need for time-consuming, costly post-processing steps such as deburring, polishing, or stress relief treatments. For industries like semiconductor and medical device manufacturing, where strict cleanliness standards are mandatory, this eliminates the risk of post-processing contamination and reduces production cycles significantly. Additionally, the non-contact nature of etching avoids tool wear-related defects, ensuring consistent product quality across large production runs and lowering long-term manufacturing costs.
In terms of material versatility, etching supports a wide range of stainless steel grades, including 304, 316L, 310S, and 430, as well as ultra-thin substrates (down to 0.05mm). This flexibility allows Stainless Steel Slit Sheets to be tailored to specific application requirements: 316L stainless steel offers superior corrosion resistance for medical and marine environments, 310S provides high-temperature stability for aerospace systems, and ultra-thin stainless steel substrates enable compact, lightweight designs for portable industrial equipment. This level of material customization is difficult to achieve with other processing methods, making etching the ideal solution for diverse industry needs.
Industry-wide applications of etched Stainless Steel Slit Sheet continue to expand as high-precision manufacturing demands grow. In the semiconductor industry, etched slit sheets are integral to wafer processing equipment, ensuring controlled gas flow in ultra-high-vacuum environments to prevent particle contamination and improve yield rates. In aerospace, they play a critical role in aircraft fuel systems and environmental control units, providing reliable flow control in extreme temperature and pressure conditions. In medical devices, they serve as core components in diagnostic imaging machines and respiratory equipment, meeting strict biocompatibility and hygiene standards for clinical use. In industrial automation and optical instruments, they enable accurate flow regulation and high-precision light modulation, enhancing the performance of automated production lines and optical systems. As technology advances toward miniaturization and higher precision, the demand for etched Stainless Steel Slit Sheet will continue to rise, driving innovation in both the precision manufacturing and end-user industries.
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