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01
Nine major applications of nanodiamond powder in medical fields
In recent years, as scientists have studied the biological properties of nano-diamonds, they have found that nano-diamonds have good biocompatibility, low toxicity, and fluorescence but no photobleaching. These excellent biological properties, chemical inertness and the modifiability of its surface genes make nanodiamonds have attracted the attention of many scientists in the field of biomedicine, and breakthroughs have been made. 1. Medical knives Surgical knives used for tissue resection have high requirements on the hardness, wear resistance, stability and biocompatibility of materials. The diamond material can not only meet the relevant requirements, but also the knives prepared with it have little extrusion and tear damage to the surgical site during the operation, and the wound edges are neat and easy to heal. At present, diamond surgical knives are mainly used in ophthalmology, neurosurgery, orthopedics and stomatology, as well as biological tissue slicing. 2. Medical materials Human tissues and organs may be damaged or lost due to diseases, trauma or natural aging. In order to replace this part of the tissue, people study the use of other materials to make implants into the human body. Among them, the material of the implant is very important: in order to meet the physiological and...
2023 / 08 / 10
02
Polycrystalline diamond fabrication of wafer-based optomechanical circuits
Diamond is optically transparent over a wide range of light wavelengths, including the visible spectrum from 400 to 750 nm. Because of this feature, it can be used specifically as an optomechanical circuit element in applications such as sensor technology, fluorescence imaging, optical biometry, etc. The manufactured components, ie resonators, circuits and chips, are of high quality and very popular. To make full use of photons in the circuit, materials need to have specific optical and mechanical properties. Recently, scientists have realized the fabrication of optical circuits on single-crystal diamond substrates (high-purity crystals with no more than one impurity atom in every 100 million diamond atoms). Such loops are necessarily small and, therefore, their application in optical systems requires advanced fabrication methods. A research experiment using polycrystalline diamond made of two parallel independent waveguides as a mechanical resonator, within which a light field (indicated in red/blue) can be observed propagating Now, for the first time, researchers have achieved the fabrication of wafer-based optomechanical circuits using polycrystalline diamond. These vibratory systems are capable of responding to specific frequencies that excite the resonator into a vibratory state. Although the crystal structure of polycrystalline diamond is more irregular, it is strong enough and...
2022 / 10 / 12
03
‘Diamond Micropowder’ exploring journey
Diamond powder is mainly divided into three types: single crystal diamond powder, polycrystalline diamond powder and nano diamond powder. Single crystal diamond powder is produced from synthetic diamond single crystal abrasive grains, which are crushed and shaped, and produced by a special process.
2021 / 09 / 21
04
Focusing on carbon peak and carbon neutrality
At the National Two Sessions in 2021, "Carbon Peak, Carbon Neutrality" was written into the government work report for the first time, and it became one of the "hot words" of the two sessions. Representatives and committee members from all walks of life started discussions around it.
2021 / 06 / 01
05
Analysis on the production and application of diamond micron powder
Diamond powder refers to diamond particles finer than 60 microns. There are two types of single crystal diamond powder and polycrystalline diamond powder. Single crystal diamond powder is produced from synthetic diamond single crystal abrasive grains, which are crushed and shaped, and produced by a special process.
2016 / 03 / 16
06
Spherical diamond powder for precision grinding and polishing
Special round (spherical) diamond powder for precision grinding and polishing is a high-performance abrasive material that is widely used in various precision processing fields. Due to its excellent hardness and wear resistance, it has become an indispensable material in many industries. First, round diamond powder has excellent hardness. Diamond is the hardest natural substance on earth. Its hardness level is as high as 10, which is much higher than other materials, such as corundum, silicon carbide, etc. This high hardness allows diamond micropowder to quickly remove the raised parts of the material surface during grinding and polishing, achieving extremely high processing accuracy and surface quality. Secondly, diamond powder has excellent wear resistance. Due to diamond’s hardness, it is able to maintain a relatively stable form when in contact with other materials, and can withstand high-speed grinding and repeated use. This makes it an ideal material for high-precision grinding and polishing in industrial processing. Special round diamond powder for precision grinding and polishing is widely used in many fields. In the field of optoelectronics, diamond powder is used for grinding and polishing optical components, such as optical lenses, prisms, etc. Due to its excellent hardness and optical properties, diamond micropowder enables...
2024 / 01 / 11

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