VSC103 Gas Chromatography Control Solution
In the semiconductor industry and related scientific research, the accurate analysis of gas composition and volatile compounds is crucial for ensuring product quality. VitalSigns’ VSC103 Gas Chromatography Control Solution brings outstanding performance, ultra-high accuracy, and long-term operational reliability to the industry.
About Gas Chromatography (GC)
Gas chromatography (GC) is a widely used analytical technique for separating and analyzing compounds in mixtures. It is based on the distribution and separation behavior of compounds between a mobile gas phase and a stationary phase. GC is commonly used for analyzing volatile organic compounds but can also be used to separate and quantify non-volatile substances if they can be volatilized or converted into volatile derivatives under analytical conditions.
The basic principle of GC involves the interaction between the mobile gas phase and the stationary phase coated on the inner wall of a column. Separation is based on the distribution of compounds between the stationary phase and the mobile phase, also known as equilibrium partitioning. The degree of distribution of compounds between the two phases is influenced by their physicochemical properties (e.g., polarity, molecular weight, volatility). As the mixture passes through the chromatography column, different compounds pass through the column at different rates and are detected by a detector.
Components of a GC system include:
• Injector: Used to introduce the sample into the column. Samples can be introduced as gases or liquids, usually using an auto-sampler for accurate and repeatable sample introduction.
• Chromatography Column: A long, narrow tube with the stationary phase coated on its inner wall. The choice of column depends on the sample properties and separation requirements. Common stationary phase materials include liquid phases and solid phases.
• Oven: Controls the temperature of the chromatography column. It typically has an adjustable temperature range. The temperature selection is crucial for the separation and analysis of specific compounds, as it affects the distribution behavior of compounds in the column.
• Detector: Used to detect separated compounds and generate corresponding signals. Common GC detectors include flame ionization detectors (FID), thermal conductivity detectors (TCD), and mass spectrometry detectors (MSD). Each detector has different sensitivity and selectivity for specific types of compounds.
In GC analysis, samples often require preprocessing steps, such as sample extraction, derivatization, or concentration, to improve volatility or separation efficiency. The sample is then introduced into the injector, separated through the chromatography column, and detected by the detector to generate signals. By analyzing and interpreting the signals, the presence and concentration of different compounds in the sample can be determined.
GC offers high resolution, sensitivity, and a wide range of applications. It is widely used for analysis and quality control in fields such as chemistry, environmental analysis, food analysis, pharmaceuticals, and petroleum.
VitalSigns’ VSC103 is primarily applied in the semiconductor manufacturing process for gas concentration detection. In semiconductor processes, the accuracy of gas concentration is critical for semiconductor etching, production environment contamination, and equipment operation. The gas concentration in the entire production environment must be precise to the ppb level.
These extremely small signals must be continuously monitored day and night to allow for the continuous production of semiconductors. Besides precision, the VSG103 solution’s software and hardware meet the quality requirements of semiconductor production, which is a major advantage of VSG103.
Components of the VSC103 Solution:
- Main Control Board The main control board of the VSC103 is the core of the system, equipped with an advanced ARM Cortex-M4 microcontroller operating at a frequency of up to 72 MHz. This allows the system to efficiently handle complex data analysis tasks, ensuring operational stability and accuracy. Additionally, the main control board integrates multiple communication interfaces, including USB to UART, RS485, and RS232, facilitating data interaction and remote control with other devices.
- Large TFT LCD Touch Screen Currently, VSG103 is equipped with a 7-inch TFT LCD touch screen, providing an intuitive user interface. The high-resolution 1024×600 display and capacitive touch panel make parameter setting and data viewing simple and convenient. Users can view gas chromatography charts in real-time, grasping every detail of the analysis process. The touch screen can also be configured to meet different display needs according to customer requirements.
- Femto-Ampere meter The picoammeter is a core component of the VSC103, featuring a high sensitivity current sensing capability of 10GΩ. The 24-bit ADC resolution and 5 Hz sampling rate ensure high precision and stability of the data. This allows the VSC103 to detect extremely small amounts of compounds, suitable for high-precision analysis needs. One femtoampere is equal to 10^-15 amperes, and the amount of current emitted by the human body is less than 1000 pA (1 million fA). This demonstrates the accuracy of the equipment.
- High Voltage and Bias Generator The VSG103 is also equipped with various programmable high voltage generators, capable of generating voltages up to (0 ~ 10KV) and a 200V bias design, enabling the VSC103 to adapt to different application needs, providing higher detection sensitivity and accuracy. These features allow the VSC103 to operate stably in various complex analytical environments.
- K-type Thermocouple Meter The dual K-type thermocouple meter can accurately measure and control temperature, ensuring sample temperature stability under various analytical conditions. Temperature is a crucial indicator when gases interact with compounds on the GC column wall. Accurate temperature control within the correct range is essential for ensuring the consistency and reliability of analytical results.
- Valve and Heating Control The VSC103 system is equipped with a power distribution unit and solid-state relay heating control, with ultra-high precision valve control, allowing for precise control of temperature and flow during sample introduction. These features enable the VSG103 system to maintain ultra-stable operating conditions during the analysis process, ensuring accuracy.
Applications of the VSC103 in Industry:
Semiconductor Manufacturing Applications In semiconductor manufacturing, the purity and composition of gases are crucial for product quality and performance. The VSC103 system can accurately monitor and control the gas composition in the process, ensuring process stability and consistency. For example, in chemical vapor deposition (CVD) processes, the VSC103 can monitor the supply of precursor gases in real-time, ensuring uniform and consistent film deposition.
Environmental Monitoring The VSC103 can also be used for environmental monitoring, analyzing exhaust emissions during the production process to ensure compliance with environmental regulations. It can detect and quantify various volatile organic compounds (VOCs), helping companies reduce environmental pollution and enhance sustainability.
Pharmaceutical and Food Analysis In the pharmaceutical and food industries, accurate analysis of ingredients is crucial for ensuring product safety and quality. The VSC103’s high sensitivity and high resolution make it an ideal choice for these industries, accurately analyzing and quantifying various components in samples. During pharmaceutical processes, certain chemical reactions produce extremely small currents. The VSG103’s femto-ampere measurement can assist in related reaction measurements.
Research and Development The VSC103 is also widely used in research institutions for developing new materials and technologies. By capturing extremely small signals, the VSG103’s powerful data analysis and noise handling capabilities can support complex research needs, aiding scientific discovery and technological innovation.
Advantages of the VSC103 Solution:
High Sensitivity and Low Detection Limits Equipped with a femto- ampere meter and high voltage generator, the VSC103 achieves extremely high sensitivity and low detection limits, meeting various high-precision analysis needs. This allows the system to accurately detect and quantify various compounds at very low concentrations, suitable for various high-precision applications.
Precise and Stable Temperature Control Dual K-type thermocouples and advanced temperature control technology ensure precise and rapid temperature control under various analytical conditions, reducing temperature fluctuation limits and enhancing the accuracy and stability of analysis. This is particularly important for applications requiring precise temperature control, such as semiconductor manufacturing and environmental monitoring.
Diverse Communication Interfaces The VSC103 supports multiple communication interfaces, including USB, RS485, and RS232, making it easy to integrate with other experimental equipment and control systems, achieving data sharing and remote control. This flexibility allows the VSC103 to adapt to various application needs, enhancing system compatibility and operational convenience.
User-Friendly Interface The VSG103 adopts a human touch screen, providing an intuitive user interface, allowing users to easily set parameters and view data, enhancing work efficiency. With simple touch operations, users can monitor data during the analysis process in real-time and make quick decisions.
High-Performance Data Processing The VSG103 can be equipped with various high-performance microcontrollers and high-resolution ADCs according to customer needs, ensuring high-performance and accurate data processing, meeting complex analysis requirements. This enables the VSC103 to quickly process large amounts of data, providing instant analysis results and enhancing work efficiency.
Market Competitiveness of the VSC103
The VSC103’s outstanding performance and multifunctional design make it highly competitive in the market. Here are the main advantages of the VSC103 in the market:
Comprehensive Application Range The VSC103 is suitable for various industries and application scenarios, including semiconductor manufacturing, environmental monitoring, pharmaceutical and food analysis, and research and development. Its high sensitivity and accuracy make it an ideal choice for various high-precision analysis needs.
High Reliability and Stability The VSC103, with its high-quality components and advanced technology, offers excellent reliability and stability. Whether in harsh industrial environments or high-precision laboratories, the VSC103 can operate stably, providing consistent analysis results.
Flexible Integration Capability The VSC103 supports multiple communication interfaces, facilitating integration with other equipment and systems for data sharing and remote control. This flexibility allows the VSC103 to adapt to different application needs, enhancing system compatibility and operational convenience.
Superior User Experience The touch screen and intuitive user interface provide an excellent user experience, allowing users to easily set parameters and view data. This enhances work efficiency and provides a more convenient operating experience.
Future Development Trends of the VSC103
With continuous technological advancement and industry demand growth, the VSC103 will continue to develop and evolve. Future development trends include:
Higher Sensitivity and Precision With the continuous improvement of analytical technology and equipment, the VSC103 will further enhance its sensitivity and precision, meeting higher accuracy requirements. This will enable the VSC103 to detect and quantify compounds at even lower concentrations, expanding its application range.
Intelligent Data Processing and Analysis Future VSC103 systems will be equipped with more advanced data processing and analysis capabilities, including artificial intelligence and machine learning technology. This will enable the VSC103 to automatically process and analyze large amounts of data, providing more accurate and faster analysis results.
Integration with Internet of Things (IoT) Technology Future VSC103 systems will be more closely integrated with IoT technology, enabling remote monitoring and control of the analysis process. This will provide more convenient and efficient solutions for industry users, enhancing production efficiency and operational safety.
In summary, the VSC103 Gas Chromatography Control Solution brings significant advantages to various industries with its high performance, ultra-high accuracy, and long-term operational reliability. VitalSigns will continue to invest in research and development, providing industry users with more advanced and reliable solutions.
VSC103 Gas Chromatography Control Solution Specifications
Main Control Board
- Microcontroller: ARM Cortex-M4
- Operating Frequency: Up to 72 MHz
- Communication Interfaces: USB to UART, RS485, RS232
TFT LCD Touch Screen
- Screen Size: 7 inches
- Resolution: 1024×600
- Touch Type: Capacitive touch panel
- User Interface: Real-time display of gas chromatography charts, customizable display content based on customer needs
Femto-ampere meter
- Sensitivity: 10GΩ
- Resolution: 24-bit ADC
- Sampling Frequency: 5 Hz
High Voltage and Bias Voltage Generator
- High Voltage Range: 0 ~ 10KV
- Bias Voltage: 200V
K-Type Thermocouple
- Temperature Control: Accurate measurement and control with dual K-type thermocouples
Valve and Heating Control
- Heating Control: Solid-state relay control
- Valve Control: High precision valve control