中国际真空科学、技术和应用联合会主办的第11届国际真空会议及第7届固体表面会议,于1989年9月25日—29日在联邦德国科隆召开。参加会议的有来自世界各国的1000多名代表,收到论文1000多篇,涉及7个学科方面。会议每三年召开一次,会议所交流的论文,可反映出国际上这些学科近几年的进展和动向。下面就真空科学方面的情况作一简要介绍。 The 11th International Vacuum Conference and the 7th Solid Surface Conference hosted by the International Association of Vacuum Science, Technology and Applications were held in Cologne, Federal Republic of Germany from September 25 to 29, 1989. More than 1,000 delegates from all over the world attended the conference, received more than 1,000 papers and covered seven disciplines. The conference is held every three years and the papers exchanged at the conference can reflect the progress and trends of these disciplines in the world in recent years. Below on the vacuum science to make a brief introduction.