Why the US, As the Inventor of Lithography Technology, Lacks Lithography Machines?

Why the US, As the Inventor of Lithography Technology, Lacks Lithography Machines?

This article is authorized to be reproduced from the public account “Semiconductor Industry Observation”, ID: icbank, Author: Du Qin Today, almost everyone knows about lithography machines; the most advanced EUV lithography machines are as tall as a new Boeing jet. In the development history of lithography machines, various manufacturers from different countries have emerged, the … Read more

How PLC Controls Stepper Drives

How PLC Controls Stepper Drives

Search WeChatTechnical Training Stepper motors are commonly used for positioning control, and they can control the rotation angle (which can be relative distance) through the number of pulses output by the PLC. The frequency of the pulses controls the speed of the stepper motor. For applications where high precision is not required, this method is … Read more