问题:请说明常用覆铜板的基板材料及其各自的性能是什么?...
Tuesday, February 6, 2024
Monday, August 7, 2023
Tuesday, December 26, 2023
问题:请说明常用覆铜板的基板材料及其各自的性能是什么?...
Monday, November 13, 2023
Monday, August 7, 2023
Friday, September 16, 2022
问题:物理气相沉积简称()。A、LVDB、PEDC、CVDD、PVD...
Wednesday, April 3, 2024
Monday, August 7, 2023
问题:静电释放带来的问题有哪些()。A、金属电迁移B、金属尖刺现象C、芯片产生超过1A的峰值电流D、栅氧化层击穿E、吸引带电颗粒或极化并吸引中性颗粒到硅片表面...
Thursday, September 7, 2023
问题:总结焊接温度与加热时间如何掌握。时间不足或过量加热会造成什么有害后果?...
Tuesday, March 12, 2024
Monday, August 7, 2023
问题:继电器如何分类?选用电磁式继电器应考虑的主要参数是哪些?...
Tuesday, December 26, 2023
Sunday, September 11, 2022
问题:在集成电路工艺中,光复制图形和材料刻蚀相结合的工艺技术是()。A、刻蚀B、氧化C、淀积D、光刻...
Saturday, October 28, 2023
Saturday, January 20, 2024
问题:请总结杯形焊件的焊接方法,并焊一件香蕉插头表笔线。...
Monday, November 13, 2023
Friday, September 16, 2022