AMITAVA GHOSH, PRITHVIRAJ MUKHOPADHYAY and D.RAGHAVA SIMHAN have published for grant of patent for an invention called An improved method for developing brazed dresser tools using vacuum-operated gripping/releasing of diamond grits.
The invention is a brazed type diamond dresser tool with precisely controlled positioning of grits, customized pattern and uniform grit protrusion (by uniform bond-encapsulation height from substrate) above bond level. The process of brazing involves joining of diamond grits to dresser material surface by applying a suitable filler alloy in
between them.
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