Diamond, known as "the hardest substance in nature," has unique physical properties and chemical stability that make it have broad application prospects in many fields. In recent years, diamond micron powder, as a new material, has gradually emerged in the semiconductor industry.Diamond Micropowder refers to diamond particles smaller than 54 microns in size, mainly divided into single-crystal diamond micron powder and polycrystalline diamond micron powder. This article provides an introduction to diamond micron powder.
Single-crystal Diamond Micropowder
Production process: Single-crystaldiamond micron powder is produced by crushing and shaping synthetic diamond single-crystal abrasive grains under static pressure, using special techniques of superhard materials.
Characteristics: Single-crystal diamond micron powder has high output, high hardness, and good wear resistance, making it an ideal raw material for grinding and polishing high-hardness materials such as cemented carbide, ceramics, gemstones, and optical glass.
Polycrystalline Diamond Micropowder
Production process: Polycrystalline diamond micron powder is made from graphite using a unique directional blasting method. The shockwave from high-explosive explosives accelerates metal flyers, impacting graphite sheets and converting them into polycrystalline diamond.
Characteristics: The structure of polycrystallinediamond micron powder is very similar to that of natural carbonado diamonds. Its particles are composed of tiny diamond grains bonded by unsaturated bonds, providing excellent toughness.
Diamond micron powder and its products are widely used in automotive, machinery, electronics, aerospace, optical instruments, glass, ceramics, petroleum, geology, and other sectors. Specific applications include:
Mechanical processing:Diamond micron powder is used for cutting, grinding, drilling, and polishing operations, especially suited for processing high-hardness materials such as cemented carbide, ceramics, gemstones, and optical glass. It is also an ideal material for making various diamond tools such as grinding wheels, drills, and saw blades.
Automotive industry: In automotive manufacturing, diamond micron powder is used for grinding and polishing precision components, improving the durability and performance of parts, and for precision processing of automotive components.
Aerospace:Diamond micron powder applications in the aerospace field include as a coating material to improve wear resistance, corrosion resistance, and thermal conductivity of parts, and enhance the strength and durability of materials in composite material development.
Electronics and semiconductor fields: Diamond micron powder is used in the manufacturing of semiconductor devices and circuit boards due to its high thermal conductivity and electrical conductivity. In semiconductor packaging substrates,diamond micron powder is compounded with metal matrices, showing great potential in the electronics packaging industry. Additionally, diamond micron powder plays an important role in high-precision processing in microelectronics technology.
Photovoltaic industry: Diamond micron powder is used for cutting photovoltaic silicon wafers, improving cutting efficiency and reducing costs. Diamond wire sawing technology has wide applications in the photovoltaic renewable energy field.
Optical crystals and precision instruments: Diamond micron powder is used for grinding and polishing materials such as optical crystals, ceramics, and superhard alloys, maintaining high grinding force without easily causing scratches, utilized for optical windows,BDD electrodes, etc.
Geological exploration and oil drilling: Due to its wear resistance and hardness, diamond micron powder is used in the manufacturing of geological exploration and oil drilling tools such as drill bits and abrasives.
Military industry: In the military field,diamond micron powder is used for machining high precision and durable components, as well as potentially for grinding and polishing special materials.
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