Fast-tuning technology for more powerful electronic devices

As a leader in plasma control, we pave the way for innovative semiconductor process technologies.

These technologies revolutionize communication, information, mobility and technological progress and also ensure the sustainable future of our planet and the well-being of our society.

Comet Plasma Control Technologies is a member of the Comet Group.

Company fact sheet

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Led by experience. Driven by curiosity.

50+ 

years in business

680+

employees worldwide

7 

locations globally

Connecting the dots between today and an innovative tomorrow

Michael Kammerer, President PCT

Unified in our goal to drive the evolution of the semiconductor industry, we provide our customers with precise tools to master plasma processes. Our entire team is committed to this mission.

Meet the leadership team

Mission Statement

We empower new technologies.

As a leader in plasma control we pave the way for innovative semiconductor process technologies. Technologies which revolutionize not only communication, information, mobility and technological progress, but also ensure the sustainable future of the planet and the well-being of our society.

For more than 50 years we are on a mission to explore the mysteries of plasma behavior with our customers to engineer and manufacture the most advanced RF power systems and diagnostic tools.

Unified in the goal to drive the evolution of the semiconductor industry we provide our customers with the most precise tools to master the plasma processes. Connecting the dots between today and the innovative tomorrow.

Our pioneering milestones and achievements

The beginning

1948

Comet is founded in Berne, Switzerland by Gerhard Steck as Company for Electronics Tubes Ltd
Diversification into vacuum capacitors business

1960 - 1970

  • Birth of Comet Plasma Control Technologies: Board of Directors decides to diversify into the vacuum capacitor business
  • First serial batch of vacuum capacitors is delivered to a Swiss broadcast customer
Expansion into Japanese market

1970 - 1980

  • Vacuum capacitors sold to a Japanese semiconductor manufacturer
  • Patented Comet technology allows the implementation of self-centering electrodes and one-shot design
Business continues to grow

1980 - 1990

  • Comet develops highly efficient water cooling for RF products with current up to 1’000 Arms
  • In 1989, Comet moves into a new building in Berne, Switzerland and doubles its production capacity
Business expands to North America

1990 - 2000

  • Comet North America opened in Norwalk/CT, USA
  • Patented new technologies are launched: Drive System, Mini-Cap and X-Cap
Additional business lines and geographic growth

2000 - 2005

  • Comet enters the RF Impedance Matching Network Business
  • Global headquarters move to Flamatt, Switzerland
  • China subsidary opens
Expansion into new markets

2005 - 2010

  • Silicon Valley location opens
  • Operations start in China
  • Innovative Vacuum capacitor product launches: Integrated drive system, Supra-Con and Drive system
Entry into RF generator business

2010 - 2015

  • Entry to RF generator market
  • Korea subsidary opens
Growth of Plasma Control Technologies

2015 - 2025

  • Pathbreaking re-locations
  • Data growth continues: strong technology in inflections drive an explosion of data