About us
After graduating from Eindhoven University of Technology (TUe), his career started as a Process Engineer Research & Development at ODME BV (Optical Disc Manufacturing Equipment) in Eindhoven. In this function, he combines R&D work with supporting foreign customers on site (Taiwan, USA and Germany) with working with ODME machines. In 1995, he moved to Stork Screens BV and worked there for several years as Project Leader/Manager Research & Development. In this function, he was responsible for, among other things, the process developments regarding electroplating, heat treatment and thin layer technology.
In 2000 Roger Theunissen founds RTC&P Consultancy & Projectmanagement BV/CeConEx, an independent engineering company in the field of precision cleaning and contamination issues. CeConEx now has extensive experience in advising and innovating in the field of surface and material technology.
Areas of expertise are:
- Precision cleaning (plasma, wetchemical, ultrasonic cleaning, electrochemical cleaning, supercritical carbon dioxide cleaning, dryice carbon oxide cleaning)
- Contamination control
- Vacuum process technology
- Coating Technology (PVD, CVD, thin layer, galvanic)
- Electrochemistry
In addition to its consultancy activities, CeConEx is also known for its courses and network meetings on precision cleaning and contamination issues. CeConEx has over 22 years of experience and more than 240 (inter)national customers.
As a consultant, Nicole Schäfer has long-term experience for cleanliness in production processes and training topics. She has been working as Consultant Clean Working, Cleanroom behaviour and Visual inspection at CeConEx since 2011.
As consultant she supports companies regarding the necessary behaviour for achieving clean products in practice. This involves clean working and proper cleanroom behaviour according to the cleanliness requirements.
She has extensive practical knowledge and experience regarding cleanroom behaviour, clean working and visual inspection for cleanliness. Nicole Schäfer is an acknowledged trainer for CeConEx courses like 'Cleanroom behaviour', 'Visual Inspection' and clean working'.
- Cleanroom behaviour
- Training and coaching of quality control employees
- Particle counting on surfaces and airborne
- Visual inspection of high tech products, both finished and semi-manufactured
- Microscopic inspection of identified defects
- Rejection analyses
- Building/structuring databases of data relating to identified defects
- Quality control of products and services
- Interim cleanroom management