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Graphite carrier disc

产品详情

Product Name: Graphite Carrier Disk (High Purity Graphite Carrier Disk)
Summary Overview
The graphite carrier plates are mainly made of high-purity graphite material. This material is renowned for its excellent thermal conductivity, chemical stability and high-temperature resistance. Utilizing modern molding technology, these carrier plates can be manufactured into products with extremely high dimensional accuracy and excellent surface flatness, ensuring their outstanding performance in high-temperature industrial environments. We are a reliable manufacturer of graphite carrier plates in China, dedicated to producing high-temperature-resistant and high-purity graphite carrier plates. Our products always maintain high quality, controllable costs, and can be customized according to different customer needs.
Product Details
The graphite carrier discs can be manufactured in various sizes and shapes, and can be adjusted according to different application requirements to meet the requirements of various industrial scenarios. It has an extremely high material purity (up to over 99.5%), ensuring its reliability in applications such as semiconductors, photovoltaics, and metallurgy in the precision industry. The surface of the carrier discs has undergone special treatment, with extremely high flatness and no cracks, bubbles or impurities, effectively avoiding contamination problems during high-temperature processing of the products.
Our graphite carrier discs can maintain stable physical and chemical properties even under extreme conditions. Especially in environments with temperatures above 1800°C, they exhibit excellent oxidation resistance and structural stability, ensuring the continuity of the production process and the consistency of the products.
Product Parameter Specification Table
Parameter category

Specific specifications

Explanation

Material purity

99.5% - 99.9%

High-purity graphite, with extremely low impurity content
Density

1.7 - 1.9 grams per cubic centimeter

Uniform and dense material structure
Thermal conductivity

120 - 150 W/m·K

Excellent thermal conductivity
Maximum operating temperature

1800°C - 3000°C

Excellent high-temperature resistance performance
Dimension accuracy

±0.1mm

High-precision processing dimensions
Surface flatness

≤ 0.05 mm/m²

Super-smooth surface treatment
Load-bearing capacity

Depending on the specifications

High-strength structural design
Antioxidant property

Does not oxidize in the air at 1800°C

Excellent high-temperature oxidation resistance performance
Coefficient of thermal expansion

2-3 × 10⁻⁶/K

Low thermal expansion, stable dimensions
Electrical resistivity

8 - 15 μΩ·m

Moderate electrical conductivity
Product features and applications
With the rapid development of the semiconductor, photovoltaic new energy and high-temperature metallurgy industries, the demand for high-purity and high-temperature-resistant carrier materials is increasing day by day. This has led to more innovative designs and wider applications of graphite carrier discs. We are a reputable Chinese manufacturer of graphite carrier discs, dedicated to producing precise, sturdy and high-temperature-resistant graphite carrier discs. We have a strict quality control system and adopt advanced molding and processing technologies to ensure that our products meet the strict requirements of customers.
Our graphite loading trays are particularly suitable for:
Semiconductor industry: High-temperature processing procedures for silicon wafers and compound semiconductor wafers, such as diffusion, oxidation, CVD and other processes, to ensure uniform temperature and surface cleanliness.
Photovoltaic industry: Provides a stable and reliable supporting platform for processes such as high-temperature sintering and coating used in solar cell wafers.
Flat panel display: Used in the manufacturing process of TFT-LCD, OLED, etc. display panels, providing precise temperature control and load-bearing capabilities.
High-temperature metallurgy: A process used for melting and heat treatment of metal materials, providing excellent high-temperature resistance and corrosion resistance properties.
Core Advantage List
Advantage of Material Purity
Ultra-high purity: The material purity can reach 99.5% - 99.9%, with extremely low impurity content, effectively preventing contamination of sensitive components.
Uniform structure: The density is uniform and consistent, without any pores, cracks or other defects, ensuring stability during use.
Batch consistency: A strict quality control system ensures that the performance of each batch of products is highly consistent.
Advantage of dimensional accuracy
High-precision processing: The dimensional accuracy is controlled within ±0.1mm, meeting the requirements of precision industrial applications.
Standard specifications: We offer a variety of standard-sized products, and we can also customize non-standard sizes according to customer requirements.
Good interchangeability: The product dimensions are highly consistent, making it convenient for customers to replace and upgrade.
Advantage of surface flatness
Super-smooth surface: Surface flatness ≤ 0.05mm/m², ensuring uniform contact with the workpiece.
Special treatment: The surface has undergone special processing, free from scratches and impurities, to prevent surface defects from affecting product quality.
High stability: It can maintain excellent flatness even during repeated use under high temperatures.
High-temperature resistance advantage
Extremely high temperature resistance: Can be used for a long time in a temperature range of 1800°C to 3000°C without deformation.
Antioxidant property: Exhibits excellent antioxidant capacity in high-temperature air, with a long service life.
Thermal shock stability: Excellent thermal shock resistance, capable of withstanding drastic temperature fluctuations without being damaged.
Advantage of carrying capacity
High-strength structure: Optimized material formulation and structural design, with high mechanical strength.
Uniform load-bearing: Excellent heat conductivity ensures that heat is evenly distributed, preventing localized overheating.
Long-term stability: Maintains stable load-bearing performance even under high-temperature and heavy-load conditions.
Technical Capability Details
Material Processing Capability
We possess complete processing techniques for graphite materials, including:
Preparation of high-purity graphite powder: Select high-quality graphite raw materials and obtain high-purity graphite powder through advanced purification processes.
Compression molding technology: Utilizes the isostatic pressing molding process to ensure uniform density and precise shape of the green body.
High-temperature graphitization: Conducting graphitization treatment at a temperature range of 2800 - 3000°C to enhance the crystallinity and thermal conductivity of the material.
Precision processing: Utilizing CNC numerical control machining, surface grinding and other techniques to ensure the dimensional accuracy and surface quality of the products.
Surface treatment technology
We offer a variety of surface treatment options to meet the requirements of different applications:
Mechanical polishing: The surface roughness can be as low as Ra 0.8 μm or less, ensuring a smooth and flawless surface.
Chemical purification: Through chemical treatment methods such as acid washing, impurities on the surface are removed to enhance purity.
Coating treatment: Special coatings can be applied to the surface as needed to enhance oxidation resistance or release properties.
Laser processing: Utilizing laser precision cutting technology to achieve high-precision processing of complex shapes
Tolerance and Precision
Dimension tolerance: ±0.1mm (can be made tighter according to customer requirements)
Flatness: ≤ 0.05mm/m²
Surface roughness: Ra ≤ 0.8 μm
Parallelism: ≤ 0.02mm
Accepted drawing format
We accept customer drawings in various formats:
3D formats: STP, STEP, LGS, XT, IGES
2D format: AutoCAD (DXF, DWG), PDF
Physical samples: Reverse engineering and replication can be carried out based on the samples provided by the customer.
Industry standards and certifications
Our product production and quality control strictly follow the following standards:
Quality Management System: ISO 9001:2015
Environmental standard: ISO 14001:2015
Occupational Health and Safety: ISO 45001:2018
Restrictions on harmful substances: Compliant with regulations such as RoHS and REACH.
Third-party testing: Certified by authoritative institutions such as SGS and BV
Application domain presentation
Semiconductor industry
For the high-temperature processing of semiconductor wafers, such as diffusion furnaces, oxidation furnaces, CVD equipment, etc., it provides a stable and clean supporting platform to ensure uniform process temperature and product yield.
Photovoltaic New Energy
For the key processes such as high-temperature sintering and coating in the manufacturing of solar cell wafers, the excellent thermal conductivity and high-temperature resistance ensure the quality and conversion efficiency of the cell wafers.
Flat panel display
For the manufacturing process of TFT-LCD, OLED and other display panels, it provides precise temperature control and a stable supporting environment to ensure the uniformity and reliability of the display panels.
High-temperature metallurgy
For the smelting and heat treatment processes of metal materials, its excellent high-temperature resistance and corrosion resistance can meet the processing requirements of various metal materials. Chemical industry

For equipment such as chemical reactors and high-temperature heat exchangers, the chemical stability and corrosion resistance of the materials ensure long-term use under harsh conditions.
Glass ceramics
Used in the firing process of glass and ceramics, it provides a uniform heating surface and a stable thermal environment, thereby improving product quality and yield. Frequently Asked Questions Answered

Q1: What are the main advantages of graphite carrier discs? A1: The main advantages of graphite carrier discs include extremely high temperature resistance (up to 1800°C - 3000°C), excellent material purity (over 99.5%), precise dimensional accuracy (±0.1mm), and outstanding thermal conductivity (120 - 150 W/m·K). These characteristics make them an ideal choice for precision industries such as semiconductors and photovoltaics.
Q2: How does the purity of the carrier plate affect the application? A2: High-purity graphite carrier plates can effectively prevent contamination of sensitive components during high-temperature processing, and are particularly suitable for industries with extremely high cleanliness requirements such as semiconductors and photovoltaics. Our carrier plates can reach a purity of 99.5% - 99.9%, with extremely low impurity content, ensuring the purity of the process.
Q3: Can you provide customized products with non-standard specifications? A3: Yes, we can carry out customized production based on the customer's drawings or samples. We accept various formats of drawings such as STP, STEP, LGS, XT, AutoCAD (DXF, DWG), PDF, etc., and can produce graphite carrier plates of various shapes and specifications according to the specific requirements of the customers.
Q4: How long is the product's service life and replacement cycle? A4: Depending on the specific application conditions and temperature requirements, our graphite carrier discs can have a service life of 2 to 5 years under normal usage. In high-demand applications such as semiconductors, it is recommended to conduct regular inspections and perform preventive replacements to ensure process stability and product yield.

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