Built for Canon EF-mount cameras, it's a zoom lens that ranges between 75-300mm. That's plenty of zoom for getting close-up shots from a distance, so it's great for action photography. The ...

Canon has announced a new multi-purpose standard zoom lens for its full-frame mirrorless cameras, the RF 28-70mm F2.8 IS STM. At just 17.3oz / 490g, the 28-70mm F2.8 looks like a perfect fit with ...

The Sony A200 comes with a Sony 18-70mm f/3.5 kit lens. A separate kit comes with both the 18-70 and a 75-300mm f/4.6-5.6 telephoto zoom lens. A small button on the front of the camera releases ...

随着对高性能电子器件需求的不断增长，GaN技术正逐渐从150mm和200mm晶圆向300mm晶圆过渡。PRdesmc 在氮化镓（GaN）技术向300mm晶圆尺寸迈进的过程中，面临了许多技术挑战：PRdesmc 热膨胀系数（CTE）匹配问题：GaN与常用的硅基衬底的热膨胀系数不匹配，导致在大尺寸 ...

IT之家 9 月 11 日消息，英飞凌今日宣布成功开发出全球首个 300mm（12 英寸）功率 GaN（氮化镓）晶圆技术，并率先在现有的可扩展大批量制造环境中 ...

新中国成立75年来，我国持续探索和创新实践统筹经济发展和生态环境保护，生态环境保护政策和制度体系日臻完善，生态环境保护力度持续加大，生态环境综合治理不断取得新成效。党的十八大以来，生态文明建设从理论到实践都发生了历史性、转折性、全局 ...

利用现有的大规模300mm硅制造设施，英飞凌将最大化GaN生产的资本效率 300mm GaN的成本将逐渐与硅的成本持平 英飞凌科技股份公司今天宣布，已成功开发出全球首项300mm氮化镓（GaN）功率半导体晶圆技术。英飞凌是全球首家在现有且可扩展的大规模生产环境中 ...

Canon reveals its smallest and lightest RF-mount zoom lens, the RF 28-70mm f/2.8 IS STM, which combines a versatile field of view with superior image quality. NEW YORK, Sept. 12, 2024 /PRNewswire ...