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Specifications, application scenarios and professional supply guarantee of electronic-grade ethylene
2026/9/20
Electronic-grade ethylene is the highest grade in the classification system of ethylene purity, with a purity of 99.999% (5N) or higher and impurity content controlled at the ppb level. Compared with industrial-grade ethylene (99.95%), electronic-grade ethylene has higher requirements for controlling oxygen, nitrogen, carbon monoxide, moisture, and hydrocarbon impurities, making it an indispensable key electronic gas in cutting-edge fields such as semiconductor manufacturing, high-end display panels, and photovoltaic new energy.
I. Core Specifications of Electronic-grade Ethylene
The purity of electronic-grade ethylene must reach 99.999% (5N) or higher, and the control accuracy of more than ten impurities reaches the ppb (one billionth) level, which is much higher than that of ordinary industrial-grade and polymer-grade ethylene. The technical indicators are as follows:
Packaging and Storage: Electronic-grade ethylene is usually filled in 10L, 47L, 50L, etc. high-pressure stainless steel cylinders. The valve configuration must meet the requirements for preventing contamination of high-purity gases. Before filling, it must undergo strict inert gas displacement and vacuum pre-treatment.
II. Core Application Scenarios of Electronic-grade Ethylene
1. Semiconductor Chip Manufacturing
Electronic-grade ethylene is mainly used as a carbon source precursor in the chemical vapor deposition (CVD) process in integrated circuit manufacturing. In the 12-inch chip manufacturing process, high-purity ethylene is used for the etching of the dielectric layer on the aluminum metal surface, reacting with the silicon source gas under precisely controlled temperature and pressure conditions to obtain high-quality silicon carbide crystals. In the 64 to 128-layer 3D NAND memory manufacturing process, electronic-grade ethylene is also a key process gas.
Compared with methane as the carbon source, ethylene shows a higher carbon film deposition rate and can operate at lower deposition pressure and temperature. Compared with acetylene, the carbon film deposited by ethylene has a higher structural order and avoids the problem of tar-like pollutants blocking equipment caused by the use of acetylene.
2. Third-Generation Semiconductor Materials
3. Photovoltaic and Display Panels
In the p-type layer deposition of hydrogenated amorphous silicon carbide (a-SiC:H) thin-film solar cells, ethylene is used as a carbon source instead of methane. The material prepared in this way has at least the same optical and transmission performance as methane-based materials. In the new display panel manufacturing field, electronic-grade ethylene is also used as a special gas in related film deposition processes.
4. Standard Gas Preparation
Electronic-grade ethylene is also used to prepare high-precision standard gases to serve online monitoring instrument calibration, environmental volatile organic compound detection, and petrochemical process control analysis in semiconductor manufacturing scenarios.
5. Medicine and High-End Healthcare
Medical consumables production: Used to produce disposable syringes, infusion tubes, surgical sutures, artificial joints, etc. of medical polyethylene materials, high purity can avoid the problem of impurity migration causing biocompatibility issues;
Drug synthesis: As an intermediate raw material for antibiotics, vitamins, etc. in the drug synthesis process, it improves the drug yield and purity.
III. Professional Supply Guarantee: Anhui Shunyu Xinxin Chemical Technology Co., Ltd.
The industrial value of electronic-grade ethylene requires a professional, compliant, and stable supply system to support it. Anhui Shunyu Xinxin Chemical Technology Co., Ltd., as a professional industrial gas supplier, has established a complete service capability in this field.
The company is located in Hefei, Anhui Province. Its main business focuses on gas product supply and international trade. It has a production factory, Anhui Yongyin Technology Development Co., Ltd., and a logistics company, Guangxi Longxing International Logistics Co., Ltd., forming a "production, sales, and transportation" integrated operation model. Welcome to call for consultation and inspection!
I. Core Specifications of Electronic-grade Ethylene
The purity of electronic-grade ethylene must reach 99.999% (5N) or higher, and the control accuracy of more than ten impurities reaches the ppb (one billionth) level, which is much higher than that of ordinary industrial-grade and polymer-grade ethylene. The technical indicators are as follows:
Packaging and Storage: Electronic-grade ethylene is usually filled in 10L, 47L, 50L, etc. high-pressure stainless steel cylinders. The valve configuration must meet the requirements for preventing contamination of high-purity gases. Before filling, it must undergo strict inert gas displacement and vacuum pre-treatment.
II. Core Application Scenarios of Electronic-grade Ethylene
1. Semiconductor Chip Manufacturing
Electronic-grade ethylene is mainly used as a carbon source precursor in the chemical vapor deposition (CVD) process in integrated circuit manufacturing. In the 12-inch chip manufacturing process, high-purity ethylene is used for the etching of the dielectric layer on the aluminum metal surface, reacting with the silicon source gas under precisely controlled temperature and pressure conditions to obtain high-quality silicon carbide crystals. In the 64 to 128-layer 3D NAND memory manufacturing process, electronic-grade ethylene is also a key process gas.
Compared with methane as the carbon source, ethylene shows a higher carbon film deposition rate and can operate at lower deposition pressure and temperature. Compared with acetylene, the carbon film deposited by ethylene has a higher structural order and avoids the problem of tar-like pollutants blocking equipment caused by the use of acetylene.
2. Third-Generation Semiconductor Materials
With the rapid development of third-generation semiconductor materials such as gallium nitride (GaN) and silicon carbide (SiC) in the fields of new energy vehicles and 5G communication, the demand for electronic-grade ethylene continues to increase. In the carbonization silicon epitaxial growth process, ethylene participates in the gas-phase epitaxial growth stage as a carbon source, and its purity directly affects the crystal quality and electrical performance of the epitaxial layer.
3. Photovoltaic and Display Panels
In the p-type layer deposition of hydrogenated amorphous silicon carbide (a-SiC:H) thin-film solar cells, ethylene is used as a carbon source instead of methane. The material prepared in this way has at least the same optical and transmission performance as methane-based materials. In the new display panel manufacturing field, electronic-grade ethylene is also used as a special gas in related film deposition processes.
4. Standard Gas Preparation
Electronic-grade ethylene is also used to prepare high-precision standard gases to serve online monitoring instrument calibration, environmental volatile organic compound detection, and petrochemical process control analysis in semiconductor manufacturing scenarios.
5. Medicine and High-End Healthcare
Medical consumables production: Used to produce disposable syringes, infusion tubes, surgical sutures, artificial joints, etc. of medical polyethylene materials, high purity can avoid the problem of impurity migration causing biocompatibility issues;
Drug synthesis: As an intermediate raw material for antibiotics, vitamins, etc. in the drug synthesis process, it improves the drug yield and purity.
III. Professional Supply Guarantee: Anhui Shunyu Xinxin Chemical Technology Co., Ltd.
The industrial value of electronic-grade ethylene requires a professional, compliant, and stable supply system to support it. Anhui Shunyu Xinxin Chemical Technology Co., Ltd., as a professional industrial gas supplier, has established a complete service capability in this field.
The company is located in Hefei, Anhui Province. Its main business focuses on gas product supply and international trade. It has a production factory, Anhui Yongyin Technology Development Co., Ltd., and a logistics company, Guangxi Longxing International Logistics Co., Ltd., forming a "production, sales, and transportation" integrated operation model. Welcome to call for consultation and inspection!
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