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大約在25年前,物理学中發生了一系列具有重大意义的事件,第一次用人工方法实現了原子核的分裂。大約在同时,出現了第一个用半導体做成的交流电的整流器。这兩件大事对科学和技術的進一步發展起了决定性的影响。已經公認:發展原子核学說的使命在於改造將來的动力工程和开辟新的掌握自然的道路。虽然半導体还沒有像原子核那样廣泛地为人們所知道,但是,無疑地,它对於今后几十年的技術具有重大的意义。半導体的应用,已經在無綫电技術和电子学中,在直流电工程中,在自动裝置和訊号設备中,在照明技術中,佔据了重要的地位。然而这僅僅是
About 25 years ago, a series of significant events took place in physics. For the first time, the division of atomic nuclei was achieved by artificial means. At about the same time, the first AC rectifier made of semiconductors appeared. These two major events have had a decisive influence on the further development of science and technology. It has been acknowledged that the mission of the development of nuclear theory is to transform the future of power engineering and open up new ways to grasp nature. Although semiconductors are not as widely known as atomic nuclei, they are undoubtedly of great significance to the technology of the next few decades. The application of semiconductors has been in radio technology and electronics, in direct current engineering, in automatic devices and signal devices, and in lighting technology, which occupies an important position. However, this is just