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GEM-D2 Process

GEM-R2D2 Process

ALD-MCP D2

GEM-D2TM Enhanced Electron Emission Layer


The patented ARRADIANCE™ GEM-D2 process generates a revolutionary, thru-pore engineered, SEE film that can be deposited on top of standard hydrogen-reduced lead glass MCPs and other electron amplification devices such as channel electron multipliers (CEMs).




When applied to a finished, off-the-shelf MCP of any geometry, the thickness and material properties of the SEE thin film can be chosen to achieve:

  • Up to 10x gain improvement
  • Targeted interface electrical properties
  • Reduced extracted dose gain degradation
  • Reduced ion feedback
  • Greater uniformity