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          WT:CVD金剛石生長技術的意義

          關鍵詞 CVD , 金剛石|2021-04-15 09:55:17|來源 中國超硬材料網
          摘要 21世紀是由技術的快速發展推動的,這些技術加強了創造具有高導電特性的新材料的動力。因此,鑒于實驗室生長鉆石的高物理性質及其與其他材料結合的多功能性,人造鉆石不僅作為珠寶行業的材料,...

          21世紀是由技術的快速發展推動的,這些技術加強了創造具有高導電特性的新材料的動力。

                 因此,鑒于實驗室生長鉆石的高物理性質及其與其他材料結合的多功能性,人造鉆石不僅作為珠寶行業的材料,而且在工業和技術領域都有巨大的需求。在改進和適應工業應用的金剛石技術的過程中,重要的是不斷升級高質量的設備,合格工程師的科學知識和經驗,當然還有金剛石生長技術。

          MPCVD技術允許工業生產各種金剛石材料(單晶和多晶),成本更低,結構更完美,純度更高。

                 WONDER TECHNOLOGIES

                 自2016年以來,"WONDER TECHNOLOGIES"LLC一直在積極開發合成金剛石領域的技術,改進金剛石材料生產方法,并努力實現基于它們的產品的廣泛商業實施。

                 WT是金剛石生產技術的所有者,和MWCVD反應器"WT1000",專為金剛石的生長創建。 "WT1000"反應器的優點是生長過程的最高可控性,金剛石沉積的速度,所得金剛石材料的質量及其低成本,組裝和組件的高質量,整體易于操作和維護。

                 WT開發的基礎是CVD金剛石領域領先的專家和從業者35年來進行的科學研究和應用工作的結果。 我們的團隊成員在國際期刊上發表了600多篇文章,主題是金剛石的化學氣相沉積,其激光加工,結構和性質的研究以及實際應用。 該公司的研發中心位于俄羅斯莫斯科,并與領先科學家進行戰略合作。

                 核心技術發展

                 迄今為止,我們已經開發并優化了各種技術,以獲得具有可控性能的各種金剛石材料,其加工方法和合金化。截至目前的核心技術發展:根據經過仔細驗證的具有高重復性的配方,以下是:

                 在表面上生長具有高厚度均勻性的4"直徑多晶金剛石板。多晶薄膜是最傳統的金剛石材料類型之一。我們開發了生產直徑達100mm、厚度達2mm的高品質薄膜和板材的技術。

                 生長尺寸為10х10х7mm3的單晶金剛石。 我們可以進行高達6mm厚的單晶金剛石層的高速合成。 所得板的橫向尺寸僅受基材尺寸的限制,可以達到15х15mm2

                  生產基于多晶金剛石的光學元件,以及用于控制高功率IR激光束的衍射金剛石光學元件。

                 切削工具上的多晶金剛石沉積。已經開發了一種在切割工具上等離子體化學沉積超硬金剛石涂層的技術,用于高效加工航空航天工業中的新型復合材料,包括CFRP和玻璃纖維。

                 激光研磨和拋光直徑達4英寸的聚晶金剛石板的技術。

                 應用領域

                 由于我們的技術,可以創建和實施廣泛的高科技產品,用于以下領域:

                 電子產品。金剛石可用于生產基于寬帶半導體的器件中的散熱基板和涂層。使用"GaN-Diamond"異質結構將有可能創建新一代的微型和高能效高功率微波電子,放大器,Led和其他電子設備,特別是5G網絡基礎設施所必需的電子設備。此外,基于金剛石,可以創建聲電子器件,例如GHz范圍表面聲波上的濾波器。

                 醫學?;瘜W穩定性,生物相容性和表面處理的可能性使納米金剛石顆粒成為人體最有前途和安全的藥物載體之一??梢愿淖兗{米金剛石的表面以將藥物附著在其上并確保其靶向遞送。另一個應用是來自摻雜有硅或氮原子的納米金剛石顆粒的熒光生物標記物,以創建發光中心。其熒光的高穩定性使得可以觀察藥物的遞送及其從體內的排泄。使用納米金剛石生物標志物進行診斷,對患者的健康和福祉的影響最小。

                 生態?;趽诫s金剛石電極的電化學氧化方法是企業廢水處理最有效的方法。金剛石的使用提供了其他方法無法實現的水凈化的速度和完整性,包括使用其他電極材料進行電化學氧化。金剛石的一個重要優勢是其耐腐蝕性和耐化學性,這確保了電極在腐蝕性環境中的長使用壽命。

                 光學。 從紫外線到微波范圍內的透明度,高導熱性,抗輻射性和大孔徑使CVD金剛石成為一種獨特的光學材料。 其應用之一是用于輸出來自激光器,太赫茲和同步輻射的重型IR輻射的窗口。 折射X射線透鏡可以由鉆石制成。另一個應用領域是通過光刻或激光加工創建的可見光、紅外和太赫茲范圍內的高功率輻射源的衍射光學器件。

                 安全。鉆石在安全領域的潛在用途之一是發光納米金剛石標簽,以保護供應鏈。鉆石的發光中心受到周圍材料的可靠保護,并且不受熱,高壓,化學環境以及在各種產品的標簽和包裝過程中執行的程序的影響。這種方法使您可以在任何領域有效地保護包裝和產品本身免受假冒,包括在存在生物相容性和人類安全性要求的情況下。

                 Wonder Technologies堅持技術金剛石解決方案動態和可持續發展的立場,專注于開發和獲得多晶和單晶金剛石材料的合成,改性和加工的工業技術,制造基于它的產品,以及其合成設備的開發和創造。

                 The 21st century is driven by the rapid development of technologies that strengthen the dynamics of creating new materials with high conductive properties.

                 Therefore, there is a huge demand for artificial diamonds not only as a material in the jewelry industry but also in the industrial and technological sphere, given the high physical properties of lab-grown diamond and its versatility in combination with other materials. In the process of improving and adapting diamond technologies for industrial applications, it is important to constantly upgrade high-quality equipment, scientific knowledge and experience of qualified engineers, and, of course, the technology of diamond growth.

          MPCVD technology allows the industrial production of various diamond materials (mono - and polycrystalline) with reduced cost, a high level of structural perfection, and purity.

                 WONDER TECHNOLOGIES

                 Since 2016, "WONDER TECHNOLOGIES" LLC has been actively developing technologies in the field of synthetic diamond, improving methods of diamond materials production and striving for widespread commercial implementation of products based on them.

                 WT is the owner of the production technology, and MPCVD reactors "WT1000", created specifically for the growth of diamond. The advantage of the "WT1000" reactors is the highest controllability of growth processes, the speed of diamond deposition, the quality of the resulting diamond materials and their low cost, the high quality of assembly and components, the overall ease of operation and maintenance.

                 The basis of WT development is the results of scientific researches and applied works carried out for 35 years by leading experts and practitioners in the field of CVD diamond. Our team members have published more than 600 articles in international journals on the topic of chemical vapor deposition of diamond, its laser processing, the study of structure and properties, as well as practical applications. The company’s R&D center is located in Moscow, Russia, and strategically partnered with the leading scientists of The Lebedev Physical Institute (LPI RAS) and the Prokhorov General Physics Institute (GPI Russian Academy of Science).

                 CORE TECHNOLOGICAL DEVELOPMENTS

                 To date, we have developed and optimized technologies for obtaining a wide range of diamond materials with controlled properties, methods of their processing, and alloying. Core technological developments as of this date, according to carefully verified recipes with high repeatability are the following:

                 Growth of 4'' diameter polycrystalline diamond plates with high thickness uniformity over the surface. Polycrystalline films are one of the most traditional types of diamond materials. We have developed technologies for producing high-quality films and plates up to 100 mm in diameter and up to 2 mm thick.

                  Growth of a single-crystal diamond with a size of 10х10х7 mm3. We can perform high-speed synthesis of single-crystal diamond layers up to 6 mm thick. The lateral dimensions of the resulting plates are limited only by the size of the substrate and can reach 15х15 mm2.

                  Production of optical elements based on polycrystalline diamond, as well as diffractive diamond optical elements for controlling high-power IR laser beams.

                  Polycrystalline diamond deposition on cutting tools. A technology for plasma-chemical deposition of superhard diamond coatings on cutting tools has been developed for efficient processing of new composite materials in the aerospace industry, including CFRP and fiberglass.

                 Technology for laser grinding and polishing of polycrystalline diamond plates up to 4'' in diameter.

          APPLICATION AREAS

                 As a result of our technologies, a wide scope of high-tech products can be created and implemented for use in the following areas:

                 Electronics. Diamond can be used to produce heat-dissipating substrates and coatings in devices based on wide-band semiconductors. The use of “GaN-Diamond” heterostructures will make it possible to create miniature and energy-efficient high-power microwave electronics, amplifiers, LEDs, and other electronic devices of a new generation, in particular, necessary for the infrastructure of 5G networks. Also, based on diamond, it is possible to create acoustoelectronic devices, such as filters on the surface acoustic waves of the GHz range.

                 Medicine. Chemical stability, biocompatibility, and the possibility of surface treatment make nanodiamond particles one of the most promising and safe drug carriers for the body. The surface of a nanodiamond can be changed to attach a drug to it and ensure its targeted delivery. Another application is fluorescent biomarkers from nanodiamond particles doped with silicon or nitrogen atoms to create glow centers. The high stability of their fluorescence makes it possible to observe the delivery of drugs and their excretion from the body. Diagnostics using nanodiamond biomarkers take place with minimal consequences for the health and well-being of patients.

                 Ecology. The method of electrochemical oxidation based on doped diamond electrodes is the most effective for wastewater treatment of enterprises. The use of diamond provides a speed and completeness of water purification that is unattainable by other methods, including electrochemical oxidation with other electrode materials. An important advantage of a diamond is its corrosion and chemical resistance, which ensures a long service life of the electrodes in aggressive environments.

                 Optics. Transparency in the range from UV to microwave, high thermal conductivity, radiation resistance, and large aperture make CVD diamond a unique optical material. One of its applications is windows for outputting heavy-duty IR radiation from lasers, THz, and synchrotron radiation. Refractive X-ray lenses can be made from diamonds. Another area of application is diffraction optics for high-power radiation sources in the visible, IR, and THz ranges, created by photolithography or laser processing.

                 Safety. One of the potential uses of diamonds in the field of safety is luminescent nanodiamond labels to protect supply chains. The centers of luminescence in the diamond are reliably protected by the surrounding material, and they are not affected by heat, high pressure, chemical environment and procedures carried out during the labeling and packaging of various products. This method allows to effectively protect both the packaging and the products themselves from counterfeiting in any field, including in the presence of requirements for biocompatibility, and safety for humans.

                 Wonder Technologies adheres to the position of dynamic and sustainable development of technological diamond solutions, focused on developing and obtaining industrial technologies of synthesis, modification, and processing of polycrystalline and monocrystalline diamond materials, manufacturing products based on it, as well as development and creation of equipment for its synthesis.

           

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