Paper
1 April 1991 Projection direct imaging for high-density interconnection and printed circuit manufacture
Neil G. Bergstrom
Author Affiliations +
Proceedings Volume 1390, Microelectronic Interconnects and Packages: System and Process Integration; (1991) https://doi.org/10.1117/12.25605
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States
Abstract
Projection direct imaging uses a laser-written liquid crystal light valve serving as an erasable mask to create multiple copies on photoresist coated substrates using projection photolithography. This technology is applicable to printed circuit manufacture high-density electronic interconnection and packaging.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Neil G. Bergstrom "Projection direct imaging for high-density interconnection and printed circuit manufacture", Proc. SPIE 1390, Microelectronic Interconnects and Packages: System and Process Integration, (1 April 1991); https://doi.org/10.1117/12.25605
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KEYWORDS
Imaging systems

Photoresist materials

Manufacturing

Electronic circuits

Light valves

Liquid crystals

Photomasks

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