Company Filing History:
3 out of 4,310 
2 out of 14 Years Active: 2017-2018
Title: Huichao Qin: Innovator in Precision Measurement Technology
Introduction
Huichao Qin is a distinguished inventor based in Beijing, China. He has made significant contributions to the field of precision measurement technology, holding a total of 3 patents. His work focuses on advanced measurement systems that enhance accuracy and efficiency in various applications.
Latest Patents
One of Huichao Qin's notable inventions is the "Three-DOF heterodyne grating interferometer displacement measurement system." This innovative system utilizes a dual-frequency laser, a grating interferometer, and an electronic signal processing component to achieve high-resolution displacement measurements. It can output three linear displacements simultaneously, reaching sub-nanometer precision. The system is designed to be environmentally insensitive and compact, making it ideal for ultra-precision stages in lithography machines.
Another significant patent is the "Coarse motion and fine motion integrated reticle stage driven by a planar motor." This reticle stage features a movable platform and a vibration isolation system, which enhances control precision. The use of a planar motor reduces the complexity of the design while improving the inherent frequency and control bandwidth of the movable platform.
Career Highlights
Huichao Qin has worked at prestigious institutions, including Tsinghua University and Beijing U-Precision Tech Co., Ltd. His experience in these organizations has allowed him to develop cutting-edge technologies that push the boundaries of precision measurement.
Collaborations
Throughout his career, Huichao Qin has collaborated with notable colleagues, including Yu Zhu and Ming Lei Zhang. These partnerships have contributed to the advancement of his innovative projects and patents.
Conclusion
Huichao Qin is a prominent figure in the field of precision measurement technology, with a focus on developing systems that enhance measurement accuracy and efficiency. His contributions through patents and collaborations continue to influence the industry positively.