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SUSS MicroTec Launches New Illumination System Designed for All Generations of Mask Aligners

Published on June 4, 2009 at 6:14 AM

SUSS MicroTec, a leading supplier of equipment solutions for 3D Integration, MEMS, Advanced Packaging and Nanotechnology markets, launches with the MO Exposure Optics a new illumination system designed for all generations of manual and automatic SUSS mask aligners. The new optical system is based on unique microlens arrays of high optical quality to provide higher intensity, improved exposure light uniformity and customized illumination shaping. This allows users of SUSS MicroTec mask aligners to optimize the process window and enhance yield in contact and proximity lithography. MO Exposure Optics (patent pending) has been exclusively developed by SUSS MicroOptics, a world leading supplier for high-quality optic solutions in illumination, laser beam shaping, metrology, medical and vision systems.

MO Exposure Optics is provided with a library of illumination settings, including all established SUSS MicroTec mask aligner settings (A-Optics, D-Optics, LGO and HR) plus additional settings like ring illumination, dipole, quadrupole, multipole and maltese cross. By a simple change of the Illumination Filter Plates (IFP) the user can choose the optimized illumination settings to achieve a higher process latitude. Automated IFP exchanger will be offered for production mask aligners. A free choice of optimized illumination settings, e.g. ring illumination for vias and maltese cross for vertical and horizontal lines will increase the depth of focus and exposure latitude while reducing mask error factors. The system also allows users to design fully made-to-order illumination that optimizes their layer-specific process windows.

"MO Exposure Optics is a major step forward in yield improvements providing high resolution at even large proximity gaps for all our mask aligners”, explained Dr. Ralf Süss, general manager of SUSS MicroTec's Lithography Division.

The MO Exposure Optics illumination system is available for immediate shipment for all manual and automated mask aligners. Existing SUSS MicroTec mask aligners can be retrofitted in the field.

“By offering the possibility to upgrade the installed base with the new MO Exposure Optics illumination system we help our customers to protect their investment in the well-proven mask aligner technology” added Frank P. Averdung, President and CEO of SUSS MicroTec AG. “It will allow them to immediately save cost in this challenging economical environment.”

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