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散热器中的热阻是什么?面向设计师的Rth详解
散热器中的热阻是什么?面向设计师的Rth详解

热阻(Rth)是衡量散热器对热流阻碍程度的定量指标,单位为摄氏度每瓦(°C/W)。它直接定义了每消耗一瓦功率时热源与环境空气之间的温升,使您能够通过一个简单的方程预测结温。对于典型的挤压铝散热器,Rth 值范围从大型强制风冷单元的 0.1°C/W 到小型自然对流型号的 5°C/W 以上。如何计算您的应用所需的散热器热阻...

是什么推动了半导体设备零部件精密加工热潮?
是什么推动了半导体设备零部件精密加工热潮?

半导体设备零部件正经历精密加工热潮,因为芯片制造商要求更严格的公差、更硬的材料和更快的交付周期,以支持3nm和2nm等先进制程。这一热潮由气体分配环、静电吸盘和石英窗等关键部件的需求驱动,这些部件需要±5微米的公差和Ra 0.2 µm的表面光洁度。BQUQ拥有20年的CNC加工和金属冲压经验,正处于这一浪潮的中心,为蚀...

CFD仿真如何改变散热器设计的采用率?
CFD仿真如何改变散热器设计的采用率?

CFD仿真对于严肃的散热器工程来说已不再是可选项——在新型翅片散热器项目中,热设计团队的采用率已从2018年的约35%上升到2025年的超过78%。这一转变得益于物理样机成本降低40%,以及定制挤压和铲削翅片设计的上市时间加快60%。在本文中,我们量化了CFD采用对CNC加工、冲压和挤压散热器的技术与财务影响,并提供了...

金属冲压如何让电池触点和弹簧夹更耐用?
金属冲压如何让电池触点和弹簧夹更耐用?

直接的回答是:金属冲压通过基材的加工硬化、对晶粒流向的精确控制,以及使用能够满足严苛公差要求的高性能合金,使电池触点和弹簧夹具有了卓越的耐用性。通过冷成型而非切削或机加工,冲压件保留了连续的晶粒结构,能够抵抗疲劳和应力松弛——这是这些部件失效的两种主要模式。此外,先进的冲压工艺可以实现选择性增厚、专业电镀和受控的回弹补...

标准散热器安装孔位模式与最佳实践有哪些?
标准散热器安装孔位模式与最佳实践有哪些?

最常见的散热器安装孔位模式基于行业标准网格,采用2孔、3孔和4孔配置,中心距分别为1.0英寸(25.4毫米)、1.5英寸(38.1毫米)和2.0英寸(50.8毫米),通常使用#4-40、#6-32或M3螺纹尺寸。对于TO-220和TO-247等通孔封装元件,标准是在0.1英寸(2.54毫米)间距上采用2孔模式,而对于较...


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