Floyd L Riddle

Title: The Innovations of Floyd L. Riddle: A Pioneer in Semiconductor Solutions

Introduction: Floyd L. Riddle, based in Hellertown, PA, is a notable inventor whose contributions to the field of semiconductor manufacturing have made a significant impact. With a total of three patents to his credit, Riddle's work primarily focuses on developing advanced stripping and cleaning compositions used in the production of semiconductors and microcircuits.

Latest Patents: Among Riddle's latest inventions is a groundbreaking photoresist stripper/cleaner composition that contains aromatic acid inhibitors. This innovative stripping and cleaning composition effectively removes residues from metal and dielectric surfaces during semiconductor fabrication. The composition features an aqueous system that includes organic polar solvents blended with a corrosive inhibitor derived from a select group of aromatic carboxylic acids. The method for utilizing this invention involves contacting the surfaces with the inhibited compositions for a duration sufficient to eliminate the residues.

Another of his notable patents is an aqueous stripping composition comprising a mixture of organic amines and a corrosion inhibitor, specifically benzotriazole, either alone or in conjunction with gallic acid or its analogs. This composition is designed to efficiently strip photoresists and residues from plasma process-generated organic and metal-organic materials as well as inorganic salts and oxides. Remarkably, this composition operates effectively at low temperatures with minimal corrosion to copper or titanium substrates.

Career Highlights: Riddle's career is highlighted by his position at Ashland, Inc., where he has contributed to advancing material solutions for semiconductor applications. His inventiveness and commitment to enhancing cleaning and stripping processes underscore the importance of innovation in this critical field.

Collaborations: Throughout his career, Riddle has collaborated with fellow professionals, including Darryl W. Peters and Irl E. Ward. Together, they have worked to refine and develop solutions that address the challenges faced in semiconductor manufacturing, furthering the capabilities of the industry.

Conclusion: Floyd L. Riddle's contributions to the field of semiconductor cleaning and stripping compositions showcase his expertise and dedication to innovation. His patents not only reflect the advancements in technology but also illustrate the collaborative effort required to drive progress in this vital industry. As a prominent figure in the field, Riddle continues to influence the future of semiconductor manufacturing through his inventive spirit and technical acumen.