今年2月16日至18日,在美国费城召开了1972年度国际固体电路会议,资本主义世界的一些主要厂家在会上介绍了一些器件的研制水平与情况。在微波放大器方面,日本富士通公司研制的碰撞雪崩渡越时间二极管放大器在11千兆赫连续波输出0.5瓦; This year, from February 16 to February 18, 1972, the International Solid State Circuits Conference was held in Philadelphia, United States. Some major manufacturers in the capitalist world introduced the research and development of some devices at the conference. In the microwave amplifier, the Japanese company Fujitsu developed avalanche transit time diode amplifier output 0.5 watts in 11 gigahertz continuous wave;