Sung Ho Cho

Title: Innovations of Sung Ho Cho

Introduction

Sung Ho Cho is a notable inventor based in Kyungki-Do, South Korea. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His work focuses on improving circuit designs that enhance the performance and reliability of semiconductor devices.

Latest Patents

One of his latest patents is the CMOS current source circuit. This innovative circuit is capable of consistently generating a reference voltage, regardless of variations in analog supplying voltage, substrate temperature, and temperature fluctuations. The design includes a start unit that drives the CMOS current source circuit based on a start signal, a bias current generating unit that produces a bias current according to an analog voltage, substrate voltage, and temperature changes, a current input unit for receiving the bias current, and a current compensation unit that adjusts the bias current based on the same parameters to generate a reference current.

Another significant patent is the burn-in sensing circuit. This improved circuit for semiconductor devices generates a signal indicating the start of a burn-in mode when an external voltage surpasses a predetermined logic threshold voltage. It achieves a desired hysteresis characteristic between burn-in entry and exit voltages by lowering the logic threshold voltage. The circuit features an external voltage sensor that outputs a dropped external voltage in accordance with a bias voltage, along with a burn-in signal generator that adjusts the logic threshold voltage based on the levels of the dropped voltage.

Career Highlights

Sung Ho Cho is currently employed at LG Semicon Co., Ltd., where he continues to innovate in the semiconductor field. His work has been instrumental in advancing technologies that are critical for modern electronic devices.

Collaborations

He collaborates with Daejeong Kim, contributing to the development of cutting-edge semiconductor technologies.

Conclusion

Sung Ho Cho's contributions to semiconductor technology through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to impact the industry positively.