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OFweek维科网
19 天
准分子激光
准分子激光属于冷激光,无热效应,是方向性强、波长纯度高、输出功率大的脉冲激光,光子能量波长范围为157-353纳米,寿命为几十毫微秒,属于紫查看详情>外光。最常见的波长有157 nm、193 nm、248 nm、308 nm、351-353 nm。 2025年1月9日,大族激光与欧姆龙自动化在 ...
eeworld.com.cn
1 个月
TDK推出用于5G网络毫米波段的积层带通滤波器
这个新的高频元件基于TDK的低温共烧陶瓷(LTCC)材料和精密积层技术,插入损耗低至1分贝,衰减高达30 分贝,低群延迟只有0.25 毫微秒。由于采用先进的端子设计,该新元件能够可靠地将频率波动抑制在毫米波段内。新的MMC系列尺寸仅为2.5 x 2.0 x 0.9 mm,因此是 ...
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今日热点
To settle tip theft lawsuit
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Rear-view camera recall
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