Ralph Maessen
Philips
20 Papers
44 Citations
Ralph Maessen is an academic researcher from Philips. The author has contributed to research in topics: Ablation & Medicine. The author has an hindex of 5, co-authored 15 publications.
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Papers
Simulation study of the cooling effect of blood vessels and blood coagulation in hepatic radio-frequency ablation.
TL;DR: In this paper, computer simulations of hepatic radiofrequency ablation (RFA) were performed to determine the dependence of the vessel wall heat transfer coefficient on geometrical parameters.
28
Patent
Combustion chemical vapor deposition on temperature-sensitive substrates
Johannes A. M. Ammerlaan,Ralph Maessen,Roland Weidl +2 more
- 07 Dec 2005
TL;DR: In this paper, a method and apparatus for depositing film on flexible (plastic/metal) foil and/or temperature sensitive substrates (101) by combustion chemical vapor deposition (C- CVD) is presented.
13
Patent
System for Automatically Processing a Biological Sample
Danny G. A. Schaefer,Adrianus Wihelmus Dionisius Maria Van Den Bijgaart,Michiel De Jong,Ronald Cornelis De Gier,Jacobus Frederik Molenaar,Ralph Maessen,Roger Maria Helmut Godfried Wehrens,Bouma Peter H,Chris Van Haag +8 more
- 11 Aug 2006
TL;DR: In this article, a system consisting of at least a processing apparatus and a sample unit, the sample unit comprises a plurality of microfluidic elements, the processing apparatus comprises actuation means capable of actuating at the microfluide elements such that a quick, inexpensive and accurate analysis of the biological sample is possible.
13
Patent
Substrate temperature control for combustion chemical vapor deposition
Johannes A. M. Ammerlaan,Ralph Maessen +1 more
- 07 Dec 2005
TL;DR: In this paper, a substrate is held in place by suction to provide physical and thermal contact between the substrate and a substrate holder and, simultaneously, the holder is cooled using a cooling fluid and the substrate.
9
Patent
Local control of heat flow to more accurately regulate machine temperatures
Theo Anjes Maria Ruijl,Hendrik Jan Eggink,Jacobus Cornelis Gerardus Van Der Sanden,Ralph Maessen,Jeroen Dekkers +4 more
- 14 Nov 2006
TL;DR: In this article, the authors present a temperature regulation method and system that includes a reservoir (100) having a fluid with a temperature of a value such that, within a control range of a local temperature controller, a local set point temperature is achievable.
7