Patents Held

  • S.KARMALKAR and D. Sridhar, “An apparatus for maintaining steady plating current in pulse electroplating applications”, Indian Patent # 188558 (July 2003).
  • S. KARMALKAR and D. Sridhar, “A process for obtaining a silicon substrate with uniform and adherent deposit of palladium or other metal thereon by electroless plating”, Indian Patent # 188631 (Aug 2003).
  • S.KARMALKAR and D. Sridhar, “A method of electroplating metal contacts on a P+N semiconductor diode substrate and an apparatus for carrying out the said method”, Indian Patent # 188350 (Aug 2003).