Ki Whan Song

Title: Ki Whan Song: Innovator in Phase Change Memory Technology

Introduction

Ki Whan Song is a prominent inventor based in Yongin-si, South Korea. With a total of four patents to his name, he has made significant contributions to the field of memory technology, particularly in phase change memory devices.

Latest Patents

One of Ki Whan Song's latest innovations involves a phase change memory device that includes a sophisticated voltage generator. This generator produces an operating voltage by generating at least one modified clock signal, maintaining a constant pulse width for a minimum of one clock cycle. This is done in response to an enabled pump enable signal derived from at least one reference clock signal. Additionally, the invention incorporates a memory cell array with numerous phase change memory cells connected between word lines and bit lines. The ability to apply an operating voltage to the memory cell array allows for effective data access operations.

Another recent patent focuses on a pre-charge controlling method and device. This innovative approach details a pre-charging method for a first global bit line using a first pre-charge voltage, facilitated by at least one first pre-charge circuit situated among multiple sub-arrays within a memory cell array. Furthermore, the method involves pre-charging the same bit line with a second pre-charge voltage via a second pre-charge circuit located outside the memory cell array.

Career Highlights

Ki Whan Song is currently employed by Samsung Electronics Co., Ltd., a global leader in technology and innovation. His work at Samsung has positioned him at the forefront of advancements in memory storage solutions, particularly in phase change memory technology.

Collaborations

Throughout his career, Ki Whan Song has collaborated with notable coworkers such as Jin-Young Kim and Ick Hyun Song. This teamwork has played a significant role in the development and enhancement of technologies in their respective fields.

Conclusion

Ki Whan Song exemplifies the characteristics of a visionary inventor dedicated to pushing the boundaries of memory technology. With multiple patents under his name and ongoing collaborations within Samsung Electronics, he is a key contributor to advancements in phase change memory devices that promise to enhance data storage and access in the future.