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Henan Wanmo Diamond(Wanmo Diamond) is a comprehensive technology-oriented enterprise specializing in high-end superhard materials.The company's main business includes customized metal bond diamonds and various types of diamon
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About us
Henan Wanmo Diamond(Wanmo Diamond) is a comprehensive technology-oriented enterprise specializing in high-end superhard materials.The company's main business includes customized metal bond diamonds and various types of diamon
How to cultivate diamonds to meet the needs of the semiconductor industry
Time：
2023-05-31
Application of Diamond in Semiconductor Industry
With the continuous development of semiconductor technology, the demand for high-performance materials is becoming more and more urgent. Diamond as an excellent wide-band semiconductor material at the same time also set mechanical, thermal, acoustic, optical, electrical and other excellent performance in one, which makes it in the cutting-edge fields of high-tech, especially in electronic technology has been widely concerned about, is recognized as a new type of semiconductor material with the prospect of based on these advantages, wide-band semiconductors, especially diamond in the high-frequency high-pressure conditions have a wide range of irreplaceable applications Advantages and Prospects.
The following are the common applications of diamond in the semiconductor industry:
1. High power power electronic devices
Diamond semiconductor materials have a forbidden band width of 5.47 eV and the highest thermal conductivity among the known semiconductor materials, which can meet the future needs of high power, strong electric field and radiation resistance, and is an ideal material for making power semiconductor devices.
2. Deep-ultraviolet detectors, high-energy particle detectors
In the field of deep-ultraviolet optoelectronics, due to the large bandwidth, high-temperature operation, and irradiation-resistant properties of diamond, it has an inherent advantage in the application of deep-ultraviolet detectors and high-energy particle detectors under extreme conditions. Also based on the above reasons, and in the process can be avoided yet to be resolved diamond doping problems, so diamond detectors are currently more mature, has been realized in the productization of the only semiconductor diamond devices related to the product category.
3. Substrate material
Diamond can also be used as a substrate for GaN power devices to help dissipate heat and achieve higher frequencies and higher power. Beginning in 2008, the European Union invested in promoting chemical vapor deposition methods (CVD) to grow diamond on the backside of GaN devices. Subsequently, the U.S. Department of Defense Advanced Research Projects Agency, Office of Naval Research and other investment of large amounts of money, joint universities (University of Bristol, UK, U.S. Georgia Institute of Technology, Stanford, etc.), semiconductor companies (Element Six, Raytheon, Qorvo, Lockheed Martin, Northrop Grumman, etc.) to vigorously promote the development of diamond-based GaN devices. However, the high price has limited the application of diamond-substrate GaN devices to areas such as defense and aerospace.
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