Abstract: We propose a pad-focused, net-by-net, two-stage printed circuit board (PCB) routing approach comprising the global routing using Monte Carlo tree search (MCTS) and the detailed routing using ...
FR-4就是玻璃纤维环氧树脂覆铜板,线路板中的一种基材,可以分为一般FR4板材和高TG FR4板材,Tg是玻璃转化温度,即熔点。电路板必须耐燃,在一定温度下不能燃烧,只能软化。这时的温度点就叫做玻璃态转化温度(Tg点),这个值关系到PCB板的尺寸安定性。
Mohammad Rizwan has reportedly declined the central contract offered by the Pakistan Cricket Board (PCB). According to multiple reports in the Pakistani media, the wicketkeeper-batter, who was ...
Learn how to master Windows PowerShell scripting to automate repetitive tasks, manage systems efficiently, and streamline your workflow on Windows 11. This beginner-friendly tutorial shows the ...
10月15日,超颖电子(603175.SH)开启申购,发行价格为17.08元/股,申购上限为1.25万股,市盈率28.64倍,属于上交所,民生证券为其 ...
[导读]在当今快速发展的电子行业中,工程师掌握高速高密度PCB设计能力至关重要。这种能力不仅关系到产品的技术水平和市场竞争力,而且直接影响到产品的性能、尺寸、成本和可靠性。随着电子设备向更高性能、更小体积和更低成本的方向发展,高速高密度 ...
Abstract: Considering customer time windows, multiple trucks, each equipped with a multi-visit drone, are employed. For realism, the drone energy consumption and the impact of payload variation on the ...
A股PCB板块又迎来一位重磅选手。 在全球电子产品供应链中,印制电路板(PCB)作为“电子产品之母”,其技术水平和产业规模直接关系到整个电子信息产业的发展水准。在这条全球规模超700亿美元的赛道上,中国厂商已成为主导力量,占据了全球过半的产值。
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