Network


Latest external collaboration on country level. Dive into details by clicking on the dots.

Hotspot


Dive into the research topics where Wilhelmus R. Koppers is active.

Publication


Featured researches published by Wilhelmus R. Koppers.


Archive | 2004

Method for recording information on a multi layer record carrier, and record carrier for use by such method

P.H. Woerlee; Hubert Cecile Francois Martens; Wilhelmus R. Koppers; Robert Alberta Arnoldus Ponsen


Archive | 2004

Multi-layer writable optical record carrier with an optimum power calibration area, and method and apparatus for forming optimum power calibration areas on such a record carrier

Hubert Cecile Francois Martens; Wilhelmus R. Koppers; Ronald Joseph Antonius Van Den Oetelaar; P.H. Woerlee


Archive | 2009

Method and device for recording information on a multilayer information carrier

P.H. Woerlee; Pope Ijtsma; Hubert Cecile Francois Martens; Jakob Gerrit Nijboer; Robert Alberta Arnoldus Ponsen; Ronald Joseph Antonius Van Den Oetelaar; Wilhelmus R. Koppers; Kevin Ross


Archive | 2004

Optical disc having focus offset area

Hubert Francois Cecile Martens; Aloysius Michael Josephus Maria Spruijt; Marc Consemulder; P.H. Woerlee; Wilhelmus R. Koppers


Archive | 2004

Method and device for recording information on a multi layer information carrier

P.H. Woerlee; Pope Ijtsma; Hubert Cecile Francois Martens; Jacob G Nijboer; Robert Alberta Arnoldus Ponsen; Den Oetelaar Ronald J. A. Van; Wilhelmus R. Koppers


Archive | 2004

Method of recording information on a multi layer record carrier, and device for recording on a dual layer record carrier

Wilhelmus R. Koppers; Hubert Cecile Francois Martens; P.H. Woerlee; Johannes Leopoldus Bakx


Archive | 2004

Dual-stack optical data storage medium for write once recording

Hubert Cecile Francois Martens; Benno Tieke; P.H. Woerlee; Den Oetelaar Ronald J. A. Van; Wilhelmus R. Koppers


Archive | 2004

Multilayer optical disc having a layer indication

P.H. Woerlee; Wilhelmus R. Koppers; Hubert Cecile Francois Martens; Ronald Joseph Antonius Van Den Oetelaar


Archive | 2004

Multilayer optical disc having pregroove modulation

P.H. Woerlee; Wilhelmus R. Koppers; Hubert Cecile Francois Martens; Ronald Joseph Antonius Van Den Oetelaar; Johannes Hendrikus Maria Spruit


Archive | 2005

Multi-Speed Recording for Multi-Layer Disc

Ronald Joseph Antonius Van Den Oetelaar; Hubert Cecile Francois Martens; Wilhelmus R. Koppers; P.H. Woerlee

Researchain Logo
Decentralizing Knowledge