When selecting a UV energy meter, the key is to match two parameters: spectral response and energy range. Spectral response refers to the wavelength range of ultraviolet light that the instrument can accurately measure, which must cover the main spectrum of the light source being tested. Energy range refers to the minimum to maximum energy values that the instrument can measure, with the measured value ideally falling between 20% and 80% of the range. During the selection process, it is essential to first analyze the spectrum of the light source, then verify whether the instrument's response curve and range are appropriate. Additionally, environmental factors should be considered, and regular calibration should be performed to maintain accuracy.

2026-04-14

A stylus-type roughness measuring instrument performs contact scanning to measure two-dimensional profile parameters according to standards such as ISO 4287. It is suitable for most solid materials but may scratch soft surfaces. The laser-type instrument employs non-contact optical principles, referencing ISO 25178, enabling rapid three-dimensional surface scanning without damaging samples. However, adjustments may be required for highly reflective or transparent surfaces. Selection should consider sample characteristics, parameter requirements, and standard compliance. The stylus-type is highly recognized for traditional two-dimensional parameter measurements, while the laser-type offers advantages in non-contact and three-dimensional measurements.

2026-04-14

This article outlines key considerations for selecting sensor types and measurement ranges when choosing an illuminance meter. Sensors are primarily categorized into photodiodes and photomultiplier tubes, with the former suitable for routine visible light measurements and the latter offering high sensitivity, making it ideal for low-light environments. The measurement range should be selected based on the expected illuminance of the application scenario, while also considering the sensor's linearity and noise impact. Additionally, environmental adaptability, calibration requirements, and compliance with relevant standards are critical factors in the selection process. Ultimately, the choice should be made comprehensively based on actual measurement needs, environmental conditions, and stability requirements.

2026-04-14

This article explains how to select the light source for a transmittance meter based on sample characteristics. Light source types include halogen tungsten lamps, LEDs, and lasers, which are suitable for wide-band, monochromatic, or high-precision measurements, respectively. When selecting a light source, factors such as stability, lifespan, and whether the spectral range matches the key absorption bands of the sample should be considered. The optical properties of the sample, such as color, thickness, and material, also affect the suitability of the light source. For example, colored samples require avoiding their absorption bands. Measurements are based on the Lambert-Beer law, which requires a stable light source and a responsive detector. Environmental factors such as ambient light, temperature, and humidity may interfere with results, so operations should be conducted in a darkroom or under constant temperature conditions. Adhering to standards such as ASTM and ISO ensures accuracy, and regular calibration and maintenance of the instrument are necessary.

2026-04-14

The fineness gauge is used to measure the particle dispersion of materials such as slurries and coatings, reflecting the particle size distribution through the depth of the grooves on its surface. In grinding processes, it helps evaluate grinding effectiveness and ensures that materials achieve the required fineness. When selecting a fineness gauge, considerations should include material characteristics, process requirements, and application standards, with attention to the groove range, accuracy, and material of the gauge to match different grinding needs, such as ordinary coatings being suitable for a range of 0-50 micrometers. During use, it is essential to keep the equipment clean, perform regular calibrations, and validate the test results in conjunction with process parameters to achieve accurate fineness control and process optimization.

2026-04-14

The selection of an air compressor requires comprehensive consideration of discharge pressure, discharge capacity, drive power, and the characteristics of the compressed medium to meet actual air demand. Energy efficiency is a key indicator, commonly measured by specific power, where lower values indicate greater energy savings. During selection, domestic and international energy efficiency standards such as ISO 1217 should be referenced, with priority given to high-efficiency products, and the total lifecycle cost should be evaluated. Proper installation and regular maintenance help ensure efficient and stable operation of the equipment.

2026-04-14

This article primarily explores the controllable coating technology for composite separator coatings in lithium-metal batteries. It introduces the fundamental principles of the coating process, including the three stages of slurry delivery, coating formation, and drying/curing, and provides an approximate formula for calculating coating thickness. The article analyzes key process parameters that influence coating quality, such as slurry solid content, viscosity, and coating speed, and explains how coating quality can be assessed through methods like thickness measurement and surface morphology observation. Finally, the article highlights the current challenges in coating high-solid-content slurries and controlling ultra-thin coatings, and discusses future development directions, including online monitoring and novel coating methods.

2026-04-13

This article introduces the heating and blade-coating preparation method for gel electrolyte films in zinc-ion batteries. The method involves applying a slurry onto a substrate using a blade, followed by heating to evaporate the solvent and form a film. The article details the slurry formulation, equipment configuration, specific operational steps, and the influence of key parameters such as blade gap and temperature on film thickness and performance. Additionally, it outlines performance testing methods for the films, addresses common issues, and discusses the potential applications of this method in fields such as flexible batteries.

2026-04-13

This paper introduces the process of vacuum-assisted coating for perovskite precursors on flexible substrates. This technology fixes the substrate through vacuum negative pressure, reducing thickness fluctuations during the coating process and improving film uniformity and crystalline quality. Key control parameters include vacuum pressure, coating speed, and heating temperature, which must be synergistically adjusted to meet industry requirements for film thickness and consistency. Compared to atmospheric pressure coating, this technology can reduce defects and is suitable for roll-to-roll production, although it faces challenges such as solvent evaporation control. In the future, the control system can be optimized to expand its applications in fields such as flexible optoelectronics.

2026-04-13

This article introduces the method of preparing the hole transport layer of perovskite solar cells using the doctor-blade coating technique. The doctor-blade coating technique involves spreading a solution evenly onto a substrate with a blade to form a thin film, making it suitable for large-scale production. The article elaborates on the principles of doctor-blade coating, material selection, specific steps, and key parameters, such as the influence of blade gap and solution viscosity on film quality. It also discusses performance evaluation methods and current challenges like uniformity control, while providing an outlook on future research directions.

2026-04-13

This article primarily discusses how to uniformly coat cathode slurry onto aluminum foil in lithium-ion battery manufacturing. The slurry itself exhibits shear-thinning properties, making it suitable for coating. Common coating methods include comma bar coating and slot-die coating, with process parameters needing to be adjusted based on the slurry. Many factors influence coating uniformity, including slurry properties, process conditions, aluminum foil surface state, and ambient temperature and humidity. During inspection, thickness gauges, weighing, or microscopic observation can be used. The key lies in ensuring proper slurry dispersion, aluminum foil treatment, and stable control of the coating and drying processes. Overall, achieving uniform coating requires a comprehensive understanding of material characteristics and process details, along with continuous monitoring to ensure quality.

2026-04-13

This article introduces the experimental method of applying pressure-sensitive adhesive to the surface of PET labels using a coating machine. It first explains that the coating machine achieves uniform application through three steps: adhesive supply, coating, and curing, with the coating thickness controllable by adjusting parameters such as speed. It then details the sample preparation process, including substrate cleaning, parameter setting, and curing inspection. The article also analyzes the effects of key factors such as coating speed and pressure, and proposes solutions for common issues like uneven coating and bubbles. Finally, it concludes that sample quality depends on parameter settings and process control, and standardized operations can yield good coatings.

2026-04-13

This article introduces the method of preparing composite thin films using a coating machine and testing their electrical properties. The coating machine uniformly applies the slurry using a blade to control thickness and uniformity. The preparation process includes raw material preparation, substrate treatment, coating, and curing. Electrical testing commonly employs methods such as the four-probe technique and impedance analysis, with performance influenced by factors such as fillers, thickness, and processing techniques. This technology can be applied in fields like flexible electronics. Future development directions include improving equipment precision and establishing performance prediction models.

2026-04-13

This article introduces the method of uniformly coating conductive films on transparent substrates such as glass or plastic films using a film coating machine. It explains how the film coating machine spreads conductive paste by controlling parameters such as speed and gap, and outlines the complete process from substrate cleaning and coating operations to drying and curing. The article also analyzes key factors affecting coating quality, such as paste viscosity and drying conditions, lists testing methods for properties like film thickness and conductivity, and provides solutions for common issues. Overall, it aims to offer technical guidance for preparing functional transparent conductive experimental samples.

2026-04-13

This article explores how coating machines control the application process of anode slurry on copper foil in lithium-ion battery manufacturing. Coating machines apply the slurry using a blade or slot-die extrusion method, with the coating thickness influenced by factors such as coating speed, blade gap, and slurry viscosity. Key control parameters include coating speed, slurry viscosity, drying temperature, and substrate tension, which must be optimized collaboratively to ensure uniform coating. In practical applications, challenges such as edge thickening and uneven drying need to be addressed, and improvements can be achieved through techniques like die design and segmented heating. Coating quality is evaluated based on indicators such as thickness consistency and areal density, and future advancements may enhance process precision through online detection technologies.

2026-04-13

This article explores the technology of uniformly coating lithium-ion battery cathode slurry on aluminum foil using a laboratory-grade coating machine. It introduces the coating principles, emphasizing the need for the slurry to possess suitable rheological properties, and analyzes the impact of key parameters such as coating speed and gap on coating quality. The article also explains methods for evaluating coating uniformity through thickness measurement and areal density analysis, and proposes solutions such as optimizing slurry formulation and adjusting process parameters to address common issues. This research provides an important experimental foundation for battery development.

2026-04-13

This article introduces the blade coating process for preparing gel electrolyte films for zinc-ion batteries using a heated coating mechanism. By controlling parameters such as temperature, coating speed, and gap height, this method can produce films with uniform thickness and smooth surfaces. The article details the complete process, from slurry preparation and equipment setup to coating operations and film curing, and analyzes key factors affecting film quality, such as slurry viscosity, heating temperature, and environmental humidity. Finally, the electrochemical and mechanical properties of the films are evaluated through characterization, and directions for future process optimization are discussed.

2026-04-13

The coating machine is a precision device used for depositing anti-reflection coatings on the surface of optical lenses. Based on the principle of light interference, it forms a thin film of specific thickness on the lens surface through physical or chemical methods to reduce light reflection and enhance light transmission performance. The coating process primarily includes physical vapor deposition and chemical vapor deposition, with key parameters such as vacuum level and substrate temperature requiring precise control. After coating, inspections such as spectral analysis and film thickness measurement are necessary to ensure quality. This technology is widely applied in fields such as optical instruments and lenses and is advancing toward higher precision and greater environmental sustainability.

2026-04-13

This article introduces the technique of coating a silver nanowire conductive layer on PET substrates using a film coating machine. Silver nanowires possess high conductivity and transparency, making them suitable for flexible displays. The coating process requires careful control of the coating speed, thickness, and drying conditions to ensure film uniformity. During operation, attention must be paid to equipment parameters and environmental factors, with quality assessed by measuring sheet resistance and light transmittance. Common issues such as streaks and uneven thickness can be addressed by optimizing the process. Future development directions include improving material adhesion and adopting environmentally friendly processes.

2026-04-13

This article introduces the technology of using a film coater to apply OLED luminescent layers onto ITO glass. The coating principle involves matching solution rheology with the surface energy of the substrate, allowing control over film thickness by adjusting parameters such as viscosity and speed. The process requires careful management of environmental temperature and humidity, substrate pretreatment, and coating speed. The equipment includes modules such as substrate handling and coating heads, emphasizing precision and real-time monitoring. Quality control focuses on thickness uniformity, surface roughness, and defect prevention. Technical challenges include uneven wetting and the coffee-ring effect, which can be mitigated through methods like surface modification. Future coating technologies are expected to advance toward higher precision and larger-area applications, potentially incorporating new processes such as roll-to-roll coating.

2026-04-13