Haresh Siriwardane is a prominent inventor based in Singapore, known for his contributions to the field of chemical-mechanical polishing. With a total of 6 patents to his name, he has made significant advancements in polishing compositions and methods that enhance the quality and efficiency of substrate polishing.

Latest Patents

Siriwardane's latest patents include innovative compositions and methods for polishing glass and nickel-phosphorous memory disks. One notable invention is a chemical-mechanical polishing composition that contains abrasive particles, a polymer, and water. This invention emphasizes the importance of the polymer's overall charge and the zeta potential of the abrasive particles, providing a method for effectively polishing substrates. Another significant patent focuses on a polishing composition specifically designed for nickel-phosphorous memory disks, which includes alpha alumina, fumed alumina, silica, and an oxidizing agent. This method involves the use of a polishing pad and the chemical-mechanical polishing composition to achieve optimal substrate polishing.

Career Highlights

Haresh Siriwardane is currently employed at Cabot Microelectronics Corporation, where he continues to develop innovative solutions in the field of polishing technologies. His work has contributed to advancements that benefit various industries reliant on high-quality substrate finishes.

Collaborations

Siriwardane collaborates with talented individuals such as Selvaraj Palanisamy Chinnathambi and Rujee Lorpitthaya, enhancing the innovative capabilities of his team.

Conclusion

Haresh Siriwardane's contributions to chemical-mechanical polishing demonstrate his commitment to innovation and excellence in the field. His patents reflect a deep understanding of materials and processes that are essential for advancing substrate polishing technologies.

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