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KLA-Tencor Corporation
NASDAQ-100 Component
S&P 500 Component
Industry Semiconductor Equipment & Materials
Founded 1997 (merger of KLA and Tencor)
Headquarters Milpitas, California, United States
Key people
Edward W. Barnholt, Chairman
Richard P. Wallace, CEO
Products Chips, wafers, semiconductors, and other related industries.
  • Decrease US$ 2,814.049 million (2015) [1]
  • Increase US$ 2,929.408 million (2014) [2]
  • Decrease US$ 661.340 million (2015) [1]
  • Increase US$ 772.070 million (2014) [2]
  • Decrease US$ 366,158 million (2015) [1]
  • Increase US$ 582.755 million (2014) [2]
Total assets
  • Decrease US$ 4,826.012 million (2015) [1]
  • Increase US$ 5,535.846 million (2014) [2]
Total equity
  • Decrease US$ 421.439 million (2015) [1]
  • Increase US$ 3,669.346 million (2014) [2]
Number of employees
6,100 (2015)
Website www.kla-tencor.com

KLA-Tencor Corporation is a global, capital equipment company based in Milpitas, California. It supplies process control and yield management products for the semiconductor, data storage, LED, and related nanoelectronics industries. The company's products, software and services are intended for all phases of integrated circuit production, from wafer fabrication to advanced packaging processes. K-T Services is the company’s global service network that maintains the productivity and performance of all of its tools. It formally established its foundation in 2000, KLA-Tencor Foundation, which supports various global giving efforts.

On 21st Oct 2015, LAM Research reached a settlement with KLA-Tencor to acquire KLA-Tencor for $67.02 a share. The deal is expected to complete by Summer of 2016.


KLA-Tencor has operations throughout the world, with manufacturing, support and R&D facilities in the United States, Israel, Belgium, Germany, China, and Singapore.


• Chief Executive Officer and President: Rick Wallace

• Chief Financial Officer: Bren Higgins

• Chief Technology Officer and Executive Vice President of Corporate Alliances: Ben Tsai

KLA-Tencor history[edit]

KLA-Tencor was formed in 1997 through the merger of KLA Instruments and Tencor Instruments, two companies in the semiconductor equipment and yield management systems industry. KLA Instruments was founded in 1975 by Ken Levy and Bob Anderson, and focused on defect inspection solutions. Karel Urbanek established Tencor Instruments in 1977 with an emphasis on metrology solutions.

Since the merger, which was valued at $1.3 billion, KLA-Tencor has acquired 19 additional companies:

• 1998: Amray Inc.; Nanopro GmbH; The Quantox product line from Keithley Instruments, Inc.; VARS; The Ultrapointe subsidiary of Uniphase Corporation

• 1999: ACME Systems Inc.

• 2000: Fab Solutions, from ObjectSpace Inc.; FINLE Technologies, Inc.

• 2001: Phase Metrics

• 2004: Candela Instruments; Wafer Inspection Systems business of Inspex, Inc.

• 2006: ADE Corporation

• 2007: OnWafer Technologies; SensArray Corporation; Therma-Wave Corporation

• 2008: ICOS Vision Systems Corporation NV; Microelectronic Inspection Equipment (MIE) business unit of Vistec Semiconductor Systems

• 2010: Ambios Technology

• 2014: Luminescent Technologies

Process control technology and applications[edit]

  • Chip Manufacturing: Defect inspection, review, metrology, lithography modeling and in-situ process monitoring tools manage yield throughout the entire semiconductor device fabrication process
  • Wafer Manufacturing: KLA-Tencor’s wafer manufacturing equipment and tools address wafer manufacturing inspection (wafer surface inspection), wafer shape quality review, metrology and data management systems. Its tools include the Surfscan SPx, eDR-7100 Series, WaferSight 2+, FabVision, and Klarity Defect
  • Reticle Manufacturing: KLA-Tencor’s reticle inspection systems use optical imaging and multiple inspection modes to find all types of reticle defects prior to printing on the wafer. Its tools include the Teron 600 Series, IPRO Series, 98e, and Klarity Defect
  • Data Storage Media/Head Manufacturing: A mix of process control test equipment and surface profilers resolve manufacturing problems related to consumer electronics with small form factors and immense data storage capacities. Its tools include series of Puma 91xx Series, Aleris Family, HRP, Archer, P-Series, P-17, PROLITH, K-T Analyzer, Thermal MAP, Thermal TRACK, SensArray, Candela, and Klarity
  • LED Manufacturing: Serves manufacturers of High Brightness light-emitting diode (HB-LED) applications such as mobile phone LCD screens and keypads, flashlights. Its tools offer outgoing automated visual inspection of HB-LED manufacturing for quality on the wafer surface and includes systems such as ICOS, Candela, KLARITY LED, P-Series, HRP-250 and MicroXAM
  • Compound Semiconductor Manufacturing: Inspection tools combine the elemental principles of scatterometry, ellipsometry, reflectometry, and topographical analysis to detect defects and then classify defects in substrates, epi-layers, and process films. Its tool systems include ICOS, Candela, P-Series, and MicroXAM
  • MEMS Manufacturing: For the emerging microelectromechanical systems (MEMS) manufacturing market, its tools include the P-Series, HRP, ICOS series, and MicroXam
  • Surface Profilometry and Metrology: Research grade stylus surface profilometer products merge surface metrology and measurement capabilities into tools such as the Alpha-Step, HRP, P-17
  • Certified Used Equipment: KLA-Tencor's asset management program that delivers refurbished and tested tools

KLA-Tencor Foundation[edit]

The KLA-Tencor Foundation works to improve the communities in which KLA-Tencor employees live and work through charitable giving, employee volunteerism, donation matching and other philanthropic activities.

The Foundation was formed in 2000 with a focus on supporting nonprofits related to the semiconductor industry in the Silicon Valley. Over the years, the Foundation expanded to dedicate funds to all KLA-Tencor regional offices throughout the world, encouraging all employees to support their local communities through donations and volunteerism.

The KLA-Tencor Foundation is dedicated to supporting organizations, events and causes in four main areas: STEM education, wellness, local community, and the international community.

Organizations supported by the KLA-Tencor Foundation include SEMI High Tech U, Computer History Museum, Junior Achievement, Habitat for Humanity, American Red Cross, American Heart Association, Silicon Valley Bicycle Coalition, and Sacred Heart Community Service.

Corporate social responsibility[edit]

KLA-Tencor has been registered to the ISO 14001 standard since 2003. It takes a company-wide approach to environmental management and focuses its environmental efforts on materials and packaging, transport, energy, water and emissions, effluents and waste, and its supply chain. The company annually publishes a CSR report, detailing facts, figures and achievements in all CSR initiatives.

KLA-Tencor has a comprehensive social program and supporting initiatives. Its corporate governance is committed to strict compliance with laws issued by the U.S. federal and applicable state governments, and foreign authorities. The company offers a range of social programs, such as health and wellness, training and development, and philanthropic initiatives carried out by its Foundation.


  1. ^ a b c d e "KLA TENCOR CORP 2015 Annual Report Form (10-K)" (XBRL). United States Securities and Exchange Commission. August 7, 2015. 
  2. ^ a b c d e "KLA TENCOR CORP 2014 Annual Report Form (10-K)" (XBRL). United States Securities and Exchange Commission. August 8, 2014. 

External links[edit]