ultrahigh vacuum

简明释义

超高真空

英英释义

例句

1.In the laboratory, we achieved ultrahigh vacuum 超高真空 conditions for our experiments on surface physics.

在实验室，我们为表面物理实验达到了< span>超高真空 ultrahigh vacuum条件。

2.To conduct the experiment, we need to maintain an ultrahigh vacuum 超高真空 environment.

为了进行实验，我们需要保持< span>超高真空 ultrahigh vacuum环境。

3.The ultrahigh vacuum 超高真空 system is essential for studying the properties of materials at the atomic level.

该< span>超高真空 ultrahigh vacuum系统对于研究材料在原子层面的性质至关重要。

4.The ultrahigh vacuum 超高真空 chamber is designed to minimize gas molecules in the space.

该< span>超高真空 ultrahigh vacuum腔室旨在最小化空间中的气体分子。

5.The semiconductor manufacturing process requires an ultrahigh vacuum 超高真空 to prevent contamination.

半导体制造过程需要< span>超高真空 ultrahigh vacuum以防止污染。

作文

In the realm of scientific research and industrial applications, the term ultrahigh vacuum refers to an environment where the pressure is significantly lower than that of standard atmospheric pressure. Specifically, ultrahigh vacuum is typically defined as a pressure of less than 10^-7 torr, which allows for the manipulation of materials and experiments in a nearly particle-free environment. This level of vacuum is crucial for many advanced technologies, including semiconductor manufacturing, surface science studies, and various types of spectroscopy.The significance of achieving a ultrahigh vacuum cannot be overstated. In semiconductor fabrication, for instance, the presence of even a few stray molecules can lead to contamination, which can severely affect the performance of microchips. By employing ultrahigh vacuum techniques, manufacturers can ensure that the surfaces of silicon wafers are pristine, thereby enhancing the reliability and efficiency of electronic devices.Moreover, in the field of surface science, researchers utilize ultrahigh vacuum environments to study the properties of materials at the atomic level. By reducing the number of gas molecules that can interact with a sample, scientists can observe phenomena such as adsorption, desorption, and catalysis without interference from other particles. This leads to a deeper understanding of fundamental processes that govern material behavior.Achieving and maintaining ultrahigh vacuum conditions involves a combination of sophisticated equipment and techniques. Vacuum pumps, such as turbomolecular and ion pumps, play a critical role in removing air and gases from the chamber. Additionally, the design of the vacuum chamber itself must minimize outgassing, which is the release of gas trapped in the materials of the chamber, further complicating the maintenance of ultrahigh vacuum.The applications of ultrahigh vacuum extend beyond just semiconductor manufacturing and surface science. For example, in the field of astrophysics, scientists employ ultrahigh vacuum systems to simulate the conditions of outer space, allowing them to test instruments and materials that will be used in satellite missions or space explorations. This ensures that these devices can withstand the extreme conditions they will encounter once launched into space.In conclusion, the concept of ultrahigh vacuum is essential in various scientific and industrial fields. It enables researchers and manufacturers to create and study materials in an environment devoid of contaminants, leading to advancements in technology and a better understanding of physical phenomena. As we continue to push the boundaries of what is possible in science and engineering, the importance of maintaining ultrahigh vacuum conditions will only grow, paving the way for innovations that can change our world.

在科学研究和工业应用领域，术语超高真空指的是一种环境，其压力显著低于标准大气压力。具体来说，超高真空通常定义为小于10^-7托的压力，这允许在几乎无粒子的环境中操控材料和进行实验。这种真空水平对许多先进技术至关重要，包括半导体制造、表面科学研究和各种类型的光谱学。实现超高真空的重要性不容小觑。例如，在半导体制造中，即使是少数几分子也可能导致污染，从而严重影响微芯片的性能。通过采用超高真空技术，制造商可以确保硅晶圆的表面是完美无瑕的，从而提高电子设备的可靠性和效率。此外，在表面科学领域，研究人员利用超高真空环境研究材料在原子级别的特性。通过减少与样品相互作用的气体分子的数量，科学家可以在没有其他粒子干扰的情况下观察吸附、脱附和催化等现象。这使得对支配材料行为的基本过程有更深入的理解。实现和维持超高真空条件涉及复杂的设备和技术组合。真空泵，如涡轮分子泵和离子泵，在去除腔室中的空气和气体方面发挥着关键作用。此外，真空腔室本身的设计必须最小化出气，这就是材料中被困气体的释放，进一步复杂化了超高真空的维护。超高真空的应用不仅限于半导体制造和表面科学。例如，在天体物理学领域，科学家们利用超高真空系统模拟外太空的条件，允许他们测试将在卫星任务或太空探索中使用的仪器和材料。这确保这些设备能够承受一旦发射到太空后将遇到的极端条件。总之，超高真空的概念在各个科学和工业领域都是必不可少的。它使研究人员和制造商能够在无污染的环境中创建和研究材料，从而推动技术进步和对物理现象的更好理解。随着我们继续推动科学和工程可能性的边界，维持超高真空条件的重要性只会增加，为改变我们世界的创新铺平道路。