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Around the poles, ice accumulated over millions of years can reach depths of several kilometers. The undisturbed deep ice preserves information about the past. The air bags and particles trapped in the ice tell scientists what the atmosphere used to be like. This has aroused great interest among paleoclimatologists in glacier ice cores.By regularly sampling the ice core at its depth, they can reco...
According to a report in Nature on June 26th, a team from Stanford University in the United States has developed a titanium sapphire laser on a chip. Whether in terms of scale efficiency or cost, this achievement is a huge progress. Image source: Nature websiteTitanium sapphire lasers are indispensable in many fields such as cutting-edge quantum optics, spectroscopy, and neuroscience, but they ...
On December 11th local time, New York State announced a partnership with companies such as IBM, Micron, Applied Materials, and Tokyo Electronics to jointly invest $10 billion to expand the Albany NanoTech Complex in New York State, ultimately transforming it into a high numerical aperture extreme ultraviolet (NA EUV) lithography center to support the development of the world's most complex and pow...
Recently, the research team of the High Power Laser Element Technology and Engineering Department of the Shanghai Institute of Optics and Mechanics, Chinese Academy of Sciences, has made new progress in the study of improving the damage threshold of fused quartz elements through laser cleaning. The study proposes for the first time the use of microsecond pulse CO2 laser cleaning to enhance the dam...
According to South Korean media etnews, Samsung Electronics and SK Hynix have started the process technology conversion of high bandwidth memory (HBM) wafers, with the introduction of new technologies to prevent wafer warping as the core, which is considered to be aimed at the next generation HBM. It is expected that with the process transformation, the material and equipment supply chain will als...