Kin-Ming Kwan

Title: Innovations by Kin-Ming Kwan in Laser Welding Technology

Introduction

Kin-Ming Kwan is a notable inventor based in Lexington, KY (US), recognized for his contributions to laser welding technology. With a total of six patents to his name, Kwan has made significant advancements in the field, particularly in the context of inkjet printhead manufacturing.

Latest Patents

Kwan's latest patents include innovative methods and structures for laser welding, specifically tailored for inkjet printheads. One of his key inventions involves a system for laser welding work pieces along a collapsing weld interface. This method incorporates welding pads and stop projections on the work pieces to control the collapse during welding. The design ensures that the stop projections maintain a separation distance from the weld interface, while the welding pads form part of the interface itself. Additionally, Kwan has developed methods for measuring laser light transmissivity in work pieces prior to welding. This technique allows for baseline measurements to determine the suitability of a work piece for a satisfactory weld.

Career Highlights

Kwan is currently employed at Lexmark International, Inc., where he continues to innovate in the field of laser welding. His work has been instrumental in enhancing the quality and efficiency of inkjet printhead production.

Collaborations

Kwan collaborates with talented colleagues such as Ganesh Vinayak Phatak and James Paul Drummond, contributing to a dynamic team focused on advancing technology in their field.

Conclusion

Kin-Ming Kwan's innovative work in laser welding technology has significantly impacted the manufacturing processes of inkjet printheads. His patents reflect a deep understanding of the complexities involved in welding and demonstrate his commitment to advancing this technology.