George
We use a 0.030" dot.
Here's a link for aperture sizes for adhesive printing from Alpha. http://www.alphametals.com/products/techarticles/soldrpstncl/guidelines.html
Here's a link for aperture sizes for adhesive printing from Heraeus. http://www.4smt.com/smt/hcmd_smt1.htm
Call your Loctite rep and see what they're doing with it these days. http://www.chemical.felpro.com/electronics/tp_multipoint.html http://www.loctite-europe.com/wwdh/us/i183ch11.htm http://www.loctite-europe.com/eu/PDF/Brochures/asei-VARIDOT.pdf
Finally consider ... 7525 - Stencil Design Guidelines. This new document provides guides for the design and fabrication of stencils for solder paste and surface-mount ADHESIVE. This is the first time this important information has been collected and published in an industry consensus document. Stencil design for various surface-mount technology , as well as mixed technology with through-hole or flip chip components is discussed; this includes overprint, two-print and step stencil designs. A sample order form and a user inspection checklist are also included. 20 pages. Released May 2000.
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