extra high vacuum

简明释义

超高真空

英英释义

例句

1.In semiconductor manufacturing, achieving extra high vacuum 超高真空 is crucial for preventing contamination.

在半导体制造中，实现extra high vacuum 超高真空 对防止污染至关重要。

2.To maintain the integrity of the experiment, we must ensure an extra high vacuum 超高真空 is achieved.

为了保持实验的完整性，我们必须确保达到extra high vacuum 超高真空。

3.The extra high vacuum 超高真空 system helps improve the quality of thin films in deposition processes.

该extra high vacuum 超高真空 系统有助于提高沉积过程中薄膜的质量。

4.The laboratory requires an extra high vacuum 超高真空 for conducting sensitive experiments.

实验室需要一个extra high vacuum 超高真空 来进行敏感实验。

5.Researchers often use extra high vacuum 超高真空 environments to study surface properties at the atomic level.

研究人员经常使用extra high vacuum 超高真空 环境来研究原子级别的表面特性。

作文

In the field of physics and engineering, the term extra high vacuum refers to a level of vacuum that is significantly lower than what is typically achieved in standard vacuum systems. Specifically, it denotes a pressure range of 10^-6 to 10^-9 torr. Achieving such a degree of vacuum is crucial for various applications, including semiconductor manufacturing, surface science, and particle physics experiments. The importance of extra high vacuum cannot be overstated, as it allows scientists and engineers to conduct experiments with minimal interference from gas molecules, which can otherwise affect the results. One of the primary challenges in creating an extra high vacuum environment is the need for specialized equipment. Traditional vacuum pumps are often insufficient for reaching these extreme pressures. Instead, more advanced technologies, such as turbomolecular pumps or cryopumps, are employed to achieve the desired vacuum levels. These pumps work by effectively removing gas molecules from the chamber, thus lowering the pressure. The design and maintenance of such systems require a deep understanding of thermodynamics and fluid mechanics, making it a complex but fascinating area of study.Moreover, the materials used in constructing extra high vacuum systems must also be carefully selected. Outgassing, the release of trapped gases from materials, can significantly hinder the vacuum level. Therefore, materials that exhibit low outgassing properties, such as certain metals and glass, are preferred. Additionally, the surfaces of these materials often undergo treatments to enhance their vacuum compatibility, ensuring that they do not introduce contaminants into the system.The applications of extra high vacuum technology are vast and varied. In the realm of semiconductor manufacturing, for instance, the deposition of thin films requires an ultra-clean environment to prevent defects in the materials being processed. Similarly, in surface science, researchers utilize extra high vacuum conditions to study the properties of materials at the atomic level, allowing for a deeper understanding of their behavior and interactions.Particle physics experiments, such as those conducted in large particle accelerators, also rely on extra high vacuum conditions. By minimizing the presence of gas molecules, scientists can ensure that particle beams travel unimpeded, leading to more accurate measurements and discoveries. The ability to maintain such a vacuum is critical for the success of these experiments, highlighting the significance of this technology in advancing our knowledge of fundamental physics.In conclusion, the concept of extra high vacuum is integral to numerous scientific and engineering disciplines. Its ability to create an environment free from gas interference opens up new possibilities for research and innovation. As technology continues to evolve, the methods for achieving and maintaining extra high vacuum will undoubtedly improve, further enhancing our capabilities in various fields. Understanding and mastering this concept is essential for anyone looking to make significant contributions to science and technology.

在物理和工程领域，短语超高真空指的是一种真空水平，显著低于标准真空系统所能达到的水平。具体来说，它表示的压力范围为10^-6到10^-9托。实现如此程度的真空对各种应用至关重要，包括半导体制造、表面科学和粒子物理实验。超高真空的重要性不容小觑，因为它使科学家和工程师能够在气体分子的干扰最小的情况下进行实验，否则这些气体会影响结果。创建超高真空环境的主要挑战之一是需要专业设备。传统的真空泵通常不足以达到这些极端压力。因此，需要采用更先进的技术，如涡轮分子泵或冷冻泵，以实现所需的真空水平。这些泵通过有效地从腔体中去除气体分子来降低压力。设计和维护这些系统需要对热力学和流体力学有深入的理解，使其成为一个复杂但引人入胜的研究领域。此外，构建超高真空系统所使用的材料也必须经过仔细选择。脱气，即材料中被困气体的释放，可能会显著妨碍真空水平。因此，优选具有低脱气特性的材料，如某些金属和玻璃。此外，这些材料的表面通常会经过处理，以增强其真空兼容性，确保它们不会向系统引入污染物。超高真空技术的应用范围广泛而多样。例如，在半导体制造领域，薄膜沉积需要一个超洁净的环境，以防止加工材料中的缺陷。同样，在表面科学中，研究人员利用超高真空条件研究材料在原子水平上的特性，从而深入了解它们的行为和相互作用。粒子物理实验，如在大型粒子加速器中进行的实验，也依赖于超高真空条件。通过最小化气体分子的存在，科学家可以确保粒子束无阻碍地传播，从而导致更准确的测量和发现。保持如此真空的能力对这些实验的成功至关重要，突显了这项技术在推动我们对基本物理知识的理解方面的重要性。总之，超高真空的概念对于许多科学和工程学科来说都是不可或缺的。它创造出一个没有气体干扰的环境，为研究和创新开辟了新的可能性。随着技术的不断发展，实现和维持超高真空的方法无疑会得到改善，进一步增强我们在各个领域的能力。理解和掌握这一概念对于任何希望在科学和技术领域做出重大贡献的人来说都是必不可少的。