Evaluation of Nano-Coated Stencil for Ultra Fine Pitch Component AssemblyAuthors: Rita Mohanty, Ph.D., Rajiv Iyer, Sharan Hoogar and Daryl Santos, Ph.D.
Company: Speedline Technologies and Binghamton University
Date Published: 10/24/2010 Conference: SMTA International
Recent introduction of a new stencil technology, nano-coated stencil, has drawn the attention of many researchers. Nano-coated stencils are made by conventional methods such as laser cut or electroformed then, as the name implies, they are coated with nano particles to alter the surface characteristic of the stencil. This paper will compare and contrast the printing characteristics of a nano-coated stencil with a laser cut (uncoated) stencil on a specially designed test board. Special attention will be given to apertures with area ratio below 0.66.
Nano-coated stencil, Ultra fine pitch printing, statistical analysis
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