Young Mog Ham

Title: Young Mog Ham: Photomask Manufacturing and Defect Correction

Introduction

Young Mog Ham is an inventor based in Meridian, Idaho, whose patent work focuses on photomask manufacturing and methods for addressing defects. His inventions describe techniques for improving photomask surfaces and correcting patterns used in semiconductor production.

Latest Patents

Ham is associated with 2 patents, including the following inventions.

- System, Method and Program Product for Photomask Surface Treatment. This invention describes manufacturing a photomask by inspecting a photomask blank for substrate defects and compensating for them by roughening selected portions of the substrate surface.

- System, Method, and Program Product for Manufacturing a Photomask. This invention uses spatial-domain analysis of pattern information to generate corrective photomask structures. Those structures are applied to a photomask layout, incorporated into a manufactured photomask, and verified for effectiveness.

Career Highlights

Ham’s patent work addresses two related challenges in photomask production: managing substrate defects and correcting patterns that may cause defects on a wafer. The inventions outline approaches for incorporating inspection and verification into the manufacturing process. He is associated with Photronics Corp.

Collaborations

Ham’s listed coworkers include Michael Green and Mohamed Ramadan. Their shared professional context is associated with photomask technology and manufacturing.

Conclusion

Young Mog Ham’s patents describe practical approaches to photomask surface treatment and defect correction, highlighting his contributions to technologies used in semiconductor manufacturing.