Reliable Optical Window for Image Sensors

 

Lithoglas® Imager Cavity Window

  • Matched CTE of dam, glass lid and silicon device
  • Very large dimensions of image sensor caps possible
  • Dam heights from 10 µm to several 100 µm
  • Usable in Wafer-Level- or Chip-On-Board-Packaging
  • Improved reliability due to mainly inorganic materials
  • CSP or COB Package / High Reliability / High Yield
Lid MaterialBorosilicate Glass / Fused Silica / others optical coatings feasibleBorosilicate Glass / Fused Silica / others optical coatings feasible
Lid Thickness≥ 300 µm, ≤ 1100 µm≥ 300 µm, ≤ 1100 µm
Dam MaterialBorosilicate GlassBorosilicate Glass / Fused Silica / others
Dam / Cavity Height≤ 20 µm≥ 300 µm, ≤ 1000 µm
Dam Width≥ 50 µm≥ 500 µm

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