# PDF Solutions

> PDF Solutions is a Santa Clara semiconductor analytics company that turns the firehose of chip-manufacturing and test data into decisions. Its Exensio platform connects fabs, foundries, OSATs and fabless designers, normalizing data across silos so customers can ramp yield faster, catch defects earlier and run AI/ML models on the factory floor. Founded in 1991 and public since 2001 (Nasdaq: PDFS), it serves 130+ semiconductor companies including TSMC, Intel, Qualcomm, Analog Devices and DENSO.

- **Founded:** 1991
- **Headquarters:** Santa Clara, California, United States
- **Founders:** John K. Kibarian (Co-Founder, President & CEO), Kimon W. Michaels (Co-Founder, EVP Products & Solutions)
- **Team size:** ~540 employees
- **Products:** Exensio Analytics Platform, Exensio Studio AI, Cimetrix Connectivity, Design-for-Inspection (DFI), Characterization Vehicle (CV) System
- **Notable:** Public on Nasdaq since 2001 (PDFS); S&P SmallCap 600 component, Reached $219M revenue in 2025, up 22% year over year, Customer DENSO publicly credited Exensio for its 300mm IGBT manufacturing success (2025)

## Products & services

- **Exensio Analytics Platform** — End-to-end big-data platform for data acquisition, normalization, semantic modeling, cloud management, AI/ML and visualization across the semiconductor supply chain, with tailored editions for IDMs, fabless companies and OSATs.
- **Exensio Studio AI** — Next-generation ModelOps solution combining Exensio analytics with Intel's Tiber AI Studio technology to build, deploy and operate machine-learning models in manufacturing.
- **Cimetrix Connectivity** — Equipment connectivity and factory-automation software (SECS/GEM, Industry 4.0) acquired with Cimetrix, linking tools and machines into the data network.
- **Design-for-Inspection (DFI)** — On-chip inspection system that embeds test structures and uses e-beam inspection to detect defects early in advanced process nodes.
- **Characterization Vehicle (CV) System** — Test chips and electrical characterization technology used to diagnose process variation and accelerate yield ramp.
- **SecureWise Remote Access** — Secure remote-access infrastructure connecting customers, fabs and partners across the data exchange network.

## Achievements

- Public on Nasdaq since 2001 (PDFS); S&P SmallCap 600 component
- Reached $219M revenue in 2025, up 22% year over year
- Customer DENSO publicly credited Exensio for its 300mm IGBT manufacturing success (2025)
- Secured a landmark contract with a global IDM customer (Sept 2025)
- Built a data exchange network spanning 130+ semiconductor companies across 36 countries
- Strategic acquisitions: Si Automation (2006), StreamMosaic (2019), Cimetrix (2020), Lantern Machinery Analytics (2023)

## Latest updates

- **2025-12** — Long-time customer DENSO publicly acknowledged Exensio software's contribution to its 300mm IGBT manufacturing.
- **2025-10** — Exensio Studio AI launched, combining Exensio analytics with Intel Tiber AI Studio; analysts revisit PDFS valuation.
- **2025-09** — Secured a landmark contract with a global IDM customer.

## Links

- Website: https://pdf.com
- LinkedIn: http://www.linkedin.com/company/pdf-solutions
- Twitter/X: https://twitter.com/pdf_solutions
- Instagram: https://go.pdf.com/instagram
- Facebook: https://go.pdf.com/facebook

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Profile page: https://yespress.io/pdf-solutions
Published by YesPress — https://yespress.io
Last updated: 2026-06-20