Confocal 3D inspection system and process

   
   

A confocal three dimensional inspection system, and process for use thereof, allows for inspecting of bumps and other three dimensional (3D) features on wafers and other semiconductor substrates. The sensor eliminates out of focus light using a confocal principal to improve depth response.

Ein confocal dreidimensionales Kontrolle System und Prozeß für Gebrauch davon, läßt das Kontrollieren der Stösse und anderer dreidimensionaler Eigenschaften (3D) auf Oblaten und anderer Halbleitersubstrate zu. Der Sensor beseitigt aus Fokuslicht heraus mit einer confocal Direktion, Tiefe Antwort zu verbessern.

 
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