San Jose, CA, United States of America

Paul D Butterfield

This inventor holds 53 USPTO granted patents and 10 published patent applications, primarily in Chemical Mechanical Polishing (CPC class B24B). Top assignees: Applied Materials, Inc., R & a Acoustical Structures, Other. Active years: 1996-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Paul D Butterfield. Retrieved from https://idiyas.com/inventor/paul-d-butterfield

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 53 

% Patents Active = 54.7

Average Co-Inventor Count = 4.6

ph-index = 11

Forward Citations = 452(Granted Patents)

Forward Citations (Not Self Cited) = 404(Dec 10, 2025)


Inventors with similar research interests:


Company Filing History:


Years Active: 1996-2026

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Areas of Expertise:
Chemical Mechanical Polishing
Steam Treatment
Slurry Distribution
Polishing System
Substrate Monitoring
Electrochemical Processing
Polishing Pad Cleaning
Friction Measurement
Conditioning Processing Pads
Conductive Polishing Article
Vacuum Cleaning Systems
Multi-Disk Conditioners
53 patents (USPTO):Explore Patents

Title: The Innovations of Paul D. Butterfield in Chemical Mechanical Polishing

Introduction: Paul D. Butterfield, an accomplished inventor based in San Jose, CA, has made significant contributions to the field of chemical mechanical polishing (CMP) with a remarkable portfolio of 50 patents. His innovative approaches in this specialized domain showcase his expertise and commitment to advancing technology in the industry.

Latest Patents: Among his latest inventions are two notable patents. The first, titled "Steam Treatment Stations for Chemical Mechanical Polishing System," describes an apparatus designed for the steam treatment of conditioner heads and disks utilized in CMP systems. This invention features a conditioner cleaning cup, a boiler for steam generation, strategically positioned nozzles, and a supply line to deliver steam precisely where it's needed. The second patent, "Slurry Distribution Device for Chemical Mechanical Polishing," presents a sophisticated apparatus that enhances the process of chemical mechanical polishing. It includes a rotatable platen with a polishing pad, a carrier head for substrate contact, and an advanced polishing liquid distribution system that ensures an even distribution of polishing liquid over the pad.

Career Highlights: Paul D. Butterfield has been employed at Applied Materials, Inc., where he has further honed his skills and expanded his contributions to the technology sector. His role in developing innovative solutions at this leading company underscores his impact in the field of materials processing.

Collaborations: Throughout his career, Butterfield has worked alongside distinguished colleagues, including Shou-Sung Chang and Liang-Yuh Chen. Their collaborations have likely fostered a dynamic exchange of ideas, furthering advancements in their shared field.

Conclusion: Paul D. Butterfield exemplifies the spirit of innovation and invention in the realm of chemical mechanical polishing. With a strong portfolio of patents and a collaborative approach, he continues to drive technological advancements that will shape the future of the industry.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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