Sorina Bullag
About Sorina Bullag
Sorina Bullag is a Senior Product Engineer specializing in Wafer Sort at ON Semiconductor, where she has worked since 2011. She focuses on improving product yield and scrap performance, and has led various initiatives to enhance manufacturing processes and quality.
Work at ON Semiconductor
Sorina Bullag has been employed at ON Semiconductor since 2011, holding the position of Senior Product Engineer in Wafer Sort. In this role, she has led initiatives to improve scrap metrics by addressing issues related to full lot scraps and yield loss across various production stages. Her responsibilities include administering product health analysis for Analog and Mixed-signal device technologies, focusing on enhancing product yield and minimizing scrap performance. Prior to her current role, she worked as a Product Technician in Wafer Sort from 2007 to 2009, where she gained foundational experience in the semiconductor industry.
Education and Expertise
Sorina Bullag earned her Bachelor's degree in Electrical, Electronics and Communications Engineering from the Technological University of the Philippines, completing her studies from 2006 to 2009. This educational background provides her with a solid foundation in engineering principles, which she applies in her current role at ON Semiconductor. Her expertise includes product health analysis, capacity improvement projects, and quality improvement activities, specifically within the context of semiconductor manufacturing.
Background
Sorina Bullag began her career at ON Semiconductor as a Product Technician in Wafer Sort, where she worked for two years before advancing to her current position as Senior Product Engineer. Throughout her tenure, she has developed a strong understanding of wafer fabrication and assembly processes. Her work is primarily focused on improving operational efficiency and product quality within the semiconductor manufacturing sector.
Achievements
In her role at ON Semiconductor, Sorina Bullag has executed several capacity improvement projects, including tester/prober migration and SMART Trim initiatives. These projects aim to enhance throughput while reducing the necessity for additional capital expenditures. She has also played a significant role in quality improvement activities that align with the company's 'zero defect' strategy, demonstrating her commitment to operational excellence and product reliability.
Initiatives in Wafer Sort
Sorina Bullag has championed the Wafer Sort Hold lots initiative at ON Semiconductor. This initiative involves collaboration with manufacturing teams, wafer fabrication engineers, and various business units to drive continuous improvements in the production process. Her efforts in this area reflect her dedication to enhancing operational efficiency and product quality within the semiconductor industry.