Im-Cheol Ha

Title: Im-Cheol Ha: Innovator in Nonvolatile Memory Technology

Introduction

Im-Cheol Ha is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of nonvolatile memory technology, holding a total of 6 patents. His work focuses on enhancing the performance and reliability of memory devices, which are crucial in modern electronics.

Latest Patents

Among his latest patents is a nonvolatile memory apparatus and refresh method. This invention provides a control circuit that determines whether the threshold voltages of memory cells in memory sectors require refreshing. The control circuit assesses if the threshold voltage is larger than a refresh read reference voltage and smaller than a refresh program verify reference voltage. Another notable patent is for a flash memory device and a method for recovering over-erased memory cells. This invention allows for the quick recovery of over-erased memory cells while preventing adverse effects on normal cells. The flash memory device includes a memory array and a memory controller that applies specific voltages to manage the recovery process effectively.

Career Highlights

Im-Cheol Ha has worked with notable companies in the electronics sector, including Winbond Electronics Corporation and Windbond Electronics Corp. His experience in these organizations has contributed to his expertise in memory technology and innovation.

Collaborations

Throughout his career, Im-Cheol Ha has collaborated with talented individuals such as Jun-Lin Yeh and Shang-Wen Chang. These partnerships have fostered a creative environment that has led to significant advancements in memory technology.

Conclusion

Im-Cheol Ha's contributions to nonvolatile memory technology have established him as a key figure in the field. His innovative patents and collaborations reflect his commitment to advancing memory solutions in the electronics industry.