Company Filing History:
Years Active: 2022-2025
Title: Innovations by Yang-Hung Cheng
Introduction
Yang-Hung Cheng is a notable inventor based in Chu-Pei, Taiwan. He has made significant contributions to the field of semiconductor testing, holding a total of 3 patents. His work focuses on developing advanced probe card technologies that enhance the efficiency and accuracy of semiconductor testing.
Latest Patents
Yang-Hung Cheng's latest patents include a range of innovative methods and devices. These patents encompass a probe card, a method for designing the probe card, a method for producing a tested semiconductor device, and a method for testing unpackaged semiconductors using the probe card. The probe card features a wiring substrate, a connection carrier board, and a probe device. Notably, at least two probes form a differential pair that is electrically connected to a loopback line of the connection carrier board, creating a test signal loopback path. The design ensures that the probe device impedance and the loopback line impedance are within a specific range, optimizing performance during testing.
Another significant innovation is the vertical probe head, which consists of upper and lower die units with through holes. This design allows for probes that include a body portion, tail, and head portion installation parts, facilitating effective electrical contact with devices under test. The unique configuration of the probes ensures great impedance matching and consistent contact force, which are crucial for high-speed differential pair testing.
Career Highlights
Yang-Hung Cheng is currently employed at Mpi Corporation, where he continues to push the boundaries of semiconductor testing technology. His work has been instrumental in advancing the capabilities of probe cards, making them more efficient and reliable for various applications in the semiconductor industry.
Collaborations
Yang-Hung Cheng collaborates with talented individuals such as Yu-Hao Chen and Chin-Tien Yang. Their combined expertise contributes to the innovative projects at Mpi Corporation, fostering a collaborative environment that drives technological advancements.
Conclusion
In summary, Yang-Hung Cheng is a prominent inventor whose work in semiconductor testing has led to several important patents. His innovations in probe card technology are paving the way for more efficient testing methods in the semiconductor industry.