Euisun Choi

Title: Euisun Choi - Innovator in Semiconductor Bonding Technologies

Introduction

Euisun Choi is an inventor based in Suwon-si, South Korea. He is known for his contributions to semiconductor bonding technologies. Although he currently holds no granted patents, his innovative ideas are reflected in his latest patent applications.

Latest Patent Applications

Euisun Choi has recently filed two notable patent applications. The first is for an "APPARATUS FOR STACKING CHIP." This apparatus includes a bonding base that moves to transfer and stack a chip. It features an attachment element located at the bottom of the bonding base, which adsorbs the chip. The attachment element has a cavity that allows air to flow in and out, changing the shape of the adsorbed chip. This design ensures that the chip gradually contacts the buffer, starting from the center and moving toward the edges.

The second application is for a "HYBRID BONDING APPARATUS." This apparatus consists of a central pushing module, at least two edge pushing modules, and a bonding tool. The central pushing module applies pressure to the center of a semiconductor chip toward a package substrate. The edge pushing modules apply pressure to the edges of the chip. This innovative design aims to improve electrical connection reliability by preventing bubbles caused by air or particles from being trapped between the semiconductor chip and the package substrate.

Conclusion

Euisun Choi is an inventive mind in the field of semiconductor technologies, focusing on enhancing bonding processes. His latest patent applications demonstrate his commitment to innovation in this critical area.