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SEMICONDUCTOR and METROLOGY eNEWS July 2011 Download

High-Precision Drives for the Optical Industry
Lithographic processing in the semiconductor industry requires aspherical lenses up to 500 mm in diameter, which permit extreme reduction. The requirements placed on grinding machines to manufacture these lenses have to be very stringent to attain faultless results in surface machining.
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PRODUCT SPOTLIGHT

NEW No-Drift Absolute Gaging Package from HEIDENHAIN

HEIDENHAIN Corporation has now coupled the new ACANTO Absolute Length Gage with the established and versatile ND 2100G GAGE-CHEK metrology readouts. The HEIDENHAIN ACANTO Absolute Length Gage with EnDat 2.2 provides the benefits of an optical encoder and solves many of the problems of different length gages. No longer will quality managers have to worry about their gages drifting, linearity over the entire measuring range, or referencing upon startup. Learn more »
Also in this issue:
  Did You Know...
Numerik Jena encoder is an important component in a unique vacuum seal system
  Industry Pulse
  Expanded Training Programs Now Offered
  Technical Tidbit
  HEIDENHAIN offers five main measuring standards from 2 µm to 40 µm
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