RF Sensing Technology


 RF Detector for Plasma Arc Detection and End Point Control


Product configurator

Gemini™ MxG5xx

Sensor version
Ionization chamber
Emmision current
Flange connection to vacuum chamber
Switching function
Electrical connection
Digital interface
Analog output signal
Your configuration
Gemini™ MxG5xx
Switching functions
Electrical Connection
FCC, 8-pin
Digital Interface
Measurement range
1.2 - 8.68 V
Personal information
Gemini™ MxG5xx
Gemini™ MAG500
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Reducing Wafer Loss, Improving Yields and Increasing uptime

Arcing during plasma processing can result in target and chamber damage leading to substrate damage and particle creation. As feature sizes decrease, microelectronic devices become increasingly susceptible to arc-induced damage. Arcing can occur in any plasma assisted process such as ionized Physical Vapor Deposition (iPVD), Plasma Enhanced Chemical Vapor Deposition (PECVD) and Etch. The INFICON Sion Arc Detector provides a crucial first line of defense. Sion makes it possible to detect micro-arcs quickly and react to them before significant damage or scrap occurs. The system provides real-time detection and analysis of plasma micro-arcing events.

Sion™ RF Detector also gives you tighter control and higher yields in chemical vapor deposition (CVD) and etch processes by reliably and accurately determining the chamber clean endpoint. More accurate endpointing means lower on-wafer particle levels and more time between preventative maintenance cycles.

Providing a number of advantages over optical emission spectrometer (OES)-based controllers, Sion works with FabGuard® Integration and Analysis System to increase yield and reduce the wasted time and materials that result from chamber clean under- or over-etching.


  • Easy retrofit to existing tool set
  • Non-invasive sensor installation
  • High-speed data collection (250 kHz)
  • Integrated data management with FabGuard
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