Because of stable weld, laser weld suits three dimensional weld such as weld of the smaller diameter steel pipe and copperchip, and high speed for accurate instruments.
激光焊接，焊接形态稳定，比较适合于较细钢管、钢片等薄板的立体焊接，也适合于精密仪器的高速焊接。
2
The procedure and mechanism of copper filling in the trench of the chip are reviewed, the effect of electrolyte components and additives on superfilling are discussed.
The invention provides a preparation method of a chip-typed air discharging protection component, comprising a copper electrode couple preparation step and a hollow air chamber preparation step.