Problem karlsuss SNF 2009-02-19 13:17:06: Unable to focus on mask

gsosa at gsosa at
Thu Feb 19 15:07:34 PST 2009

 Checked focus system with test mask. Unable to get clear focus with coarse focus knob( Run out of travel). Determined that the microscope head was dropping too low. Checked and adjusted the hardstop position of the microscope when in the lower position. There is now enough travel in the microscope head to move through best focus . Tested left/right fine focus knobs. All OK. System ready for use.

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