High-precision photolithography equipment optimized for the development and mass production of microfluidic channels, lab-on-a-chip diagnostic devices, and pathogen detection sensors.
While lithography machines are historically recognized as the cornerstone of semiconductor integrated circuit (IC) fabrication, their high-precision patterning capabilities have found a revolutionary application in the modern food and beverage sector. Today, the demand for rapid, sensitive, and on-site testing of food products is driving the miniaturization of diagnostic tools. Lithography machines, such as the LSLM 500 Stepper, are instrumental in manufacturing microfluidic chips, Lab-on-a-Chip (LoC) platforms, and electrochemical biosensors designed to detect foodborne pathogens, toxins, pesticide residues, and heavy metals.
Microfluidics utilizes tiny channels (often micrometer-scale) to manipulate minute amounts of fluids. Lithography machines project sub-micron and micron-scale patterns onto silicon or glass substrates to create masters for PDMS casting or direct etching. These chips allow for integrated sample preparation, mixing, and detection, reducing test times from days to minutes.
Advanced lithography processes facilitate the fabrication of highly ordered nanostructures, such as Surface-Enhanced Raman Scattering (SERS) substrates and interdigitated microelectrode arrays. These structures amplify optical and electrical signals, allowing for the detection of trace contaminants like pesticide residues (e.g., glyphosate) and veterinary drug residues in livestock products at parts-per-billion (ppb) levels.
The global food and beverage safety testing market is expanding rapidly, driven by stringent government regulations (such as the FDA's FSMA and the EU's General Food Law) and rising consumer awareness. Traditional testing methods like High-Performance Liquid Chromatography (HPLC) and cell culture plating are highly accurate but suffer from long turnaround times and require centralized laboratory infrastructure. Lithography-enabled micro-devices bridge this gap by offering high-throughput, portable, and cost-effective alternatives.
Foodborne pathogens cause millions of illnesses globally every year. By using stepper lithography to fabricate microfluidic PCR (Polymerase Chain Reaction) chips, manufacturers can produce disposable diagnostic cartridges. These cartridges extract, amplify, and detect pathogen DNA directly at the food processing facility, allowing quality control teams to release batches of milk, meat, or fresh produce with minimal delay.
In the beverage industry, verifying the authenticity and quality of premium liquids (such as wine, spirits, and olive oil) is critical. Lithography machines are used to manufacture optical waveguide sensors and "electronic tongues" (arrays of lipid-membrane sensors). These devices can identify adulterants, trace flavor profiles, and monitor fermentation processes in real-time by sensing subtle changes in chemical compositions.
Mycotoxins (like aflatoxin in grains) and allergens (like gluten or peanut proteins) pose severe health risks. Microfluidic ELISA (Enzyme-Linked Immunosorbent Assay) chips, structured via photolithography, enable multiplexed screening. This means a single drop of liquid food sample can be tested for multiple toxins and allergens simultaneously, dramatically lowering the cost per test.
The integration of lithography technology with other frontier fields is shaping the future of food safety testing:
Next-generation microfluidic chips will be paired with smartphone-based optical readers. The raw assay data captured by the phone's camera is processed via AI algorithms to eliminate background noise and provide instant, quantitative analysis. Lithography ensures the consistent replication of the sensor arrays, which is crucial for AI models to deliver accurate predictive results.
As the industry moves toward eco-friendly solutions, lithography processes are adapting to pattern biodegradable substrates, such as paper-based microfluidics (µPADs) and biopolymers. High-resolution lithography allows these green materials to achieve the same precision and reliability as traditional silicon-based chips.
Resound Photoelectric Technology Research Institute(LSRPTR), affiliated with China Haiheng International Trade Group Co., Ltd. (CHHGC), serves as a key science and technology innovation enterprise introduced to the Central Plains Science and Technology City. We are also entrusted with the critical mission of establishing the Central Plains Dawn Laboratory. Currently, we have assembled a highly skilled professional team of over 200 members. Our core team includes multiple academicians from the Chinese Academy of Sciences and Chinese Academy of Engineering, recipients of the National Science Fund for Distinguished Young Scholars, and over 100 professors and doctoral-level talents from top universities and research institutions worldwide. This interdisciplinary depth provides a solid foundation for technological breakthroughs and industrial implementation.
Send Inquiry Now
Corporate culture
We innovative development across global industries through continuous supply of foundational technologies.
We focus on four core domains: “Micro-Electro-Mechanical Systems (MEMS) and Lithography Technology,” “Optoelectronics and Spectroscopy Technology,” “High-Power Laser Application Technology,” and “Nuclear Instrumentation and Emergency Equipment Systems.”
Among these, MEMS and lithography technology support the independent R&D of high-end precision devices; optoelectronics and spectroscopy technology are widely applied in environmental monitoring and life science detection scenarios; high-power laser technology empowers industrial processing and scientific equipment upgrades; while nuclear instrumentation and emergency equipment provide critical support for public safety and nuclear governance.
Building upon this foundation, we have independently developed four scientific information platforms: the Cloud-based Intelligent Law Enforcement System, the Emergency Equipment Safety Assessment System, the Intelligent Water Quality IoT Platform, and the Environmental Protection Field Enforcement System. These platforms deeply serve diverse industrial scenarios globally, including market regulation, public safety, environmental monitoring, and scientific research production.
Leveraging a global network of technical collaborations with 18 leading institutions—including Tsinghua University, the Chinese Academy of Sciences, China State Shipbuilding Corporation in China; Altai State Technical University in Russia; and National Taiwan University in Taiwan, China—we have accumulated over 70 proprietary intellectual property rights covering core technology patents and software copyrights. This forms a comprehensive capability spanning "technology R&D - product transformation - Industrialization" capability, committed to establishing a domestically leading industrial base for high-end scientific instruments. Guided by market demand, our core objective is to advance the domestic substitution of high-end scientific equipment, providing globally customized products and solutions that are technologically advanced and reliable.
We not only empower partners to achieve technological upgrades and efficiency gains but also drive iterative advancement and innovative development across global industries through continuous supply of foundational technologies.
Explore our full suite of stepper lithography machines and patterning tools optimized for medical diagnostics, environmental tracking, and food/beverage safety testing applications.
Phone
whatsapp
Facebook
Youtube