1986 -1990 Involved in the measurement & application of ultrasonic wave for NDT and Evaluation Material, Such as : Measurement of liquid level, Velocity propagation on many kind of material, ceramic porosity at PPF-LIPI1986 Training Course on Industrial Instrumentation Calibration Instrumentation and Metrology _ LIPIAugust 28,1990 – July 23, 1991 Participate in “ Advanced Industrial Technology” Training Course at national Research Laboratory of Metrology (Thermal Measurement Section) Theme: Thermal Diffusivity Measurements by Laser Flash Method.October 1991- October 1992 Participate on Invitation Researcher under AIST Fellowship in NRLM- Tsukuba, Japan. Theme: Measurements and Evaluation of Thermophysical Properties of Solid Materials.1992- 1995 Joint work and study about laser Induced Shock wave Plasma , the budget from (RUT II) Indonesian Government. We constructed laser CO2 pulse and Excimer laser. To get more understanding and skills about applications of CO2 pulse and Excimer laser, we try to make eksperiment for chemical analysis using laser induced shock wave plasma. Joint work and research about the development of technology processing of microoptic component, the budget from (RUT II) Indonesia goverment1995 - 1999 Joint work and study with opto-Electronic and Laser Application, University of Indonesia with the title “ The interaction of Laser Plasma with Materials and It’s Application for Spectrochemical Analysis with the Budget from (RUT V) Indonesia GovernmentJanuary 9 – 30, 1999 The General Exchange Program under the Cooperative Program with Asian Countries, at Fukui University – Fukui, JAPANFebruary 7-17, 1999 The Asian Science Seminar on High Power Laser Matter Interaction. Institute of Laser Engineering Osaka University. JAPAN 1999 - 2001 Joint work and study with Opto-Electronic and Laser Application, University of Indonesia with the title “ The Ratio of Characteristic Coating of GaN to Silicon and GaAs Using Laser Ablation and Sputtering Technique . Budget from Indonesia Government. (RUT VIII)October 28-Nov.1, 2002 Training Course on Optical Fibre Communications, Puspiptek, Serpong IndonesiaOctober 21 –Nov.3, 2003 The International Training Course on Processing and Application of Laser Technology” Wuhan -China.October 18 – Oct. 29, 2004 International Training Workshop on the Application of Information & Energy Optoelectronics, Wuhan China1990 - Now Involved in the technology and application of laser. The construction of laser and its application for spectrochemical analysis, hardening, cleaning etc.