Dexter Magnetic Technologies of Elk Grove Village, Ill., recently devised a dual-axis robotic manipulator that controls sputtering in the manufacture of computer hard drives. Unfortunately, the device ...
This article was updated March 6, 2023. It was originally published Aug. 1, 2001. Gears—even plastic ones—need to be lubricated if engineers are going to coax the best performance out of them. In the ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果