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Modeling a Copper-deposition SystemModeling a Copper-deposition System

Replisaurus Technologies AB, Kista, Sweden
Only through advanced packaging techniques can we take advantage of state-of-the-art microelectronic devices. The flip-chip method has become a cost-effective...

Electrochemical Machining in Appliance ManufacturingElectrochemical Machining in Appliance Manufacturing

Royal Philips Electronics NV, Drachten, Netherlands
Behind your clean, close shave there is an enormous amount of high technology, even in electric shavers that have been around for decades. On its...

Reduced Metal Consumption in Electroplating Saves Big MoneyReduced Metal Consumption in Electroplating Saves Big Money

PEM, Siaugues, France
Given the scarcity and price developments of today’s metals, virtually all of them can be counted as being ‘precious’. As a result, electroplating firms...

Modeling Optimizes Fuel CellsModeling Optimizes Fuel Cells

Lehigh University, Bethlehem, PA
Automotive and other vehicular applications place their own special requirements on fuel cells. In designing a cell, many things comes into play: cell...

ArcelorMittal Breaks Down the Physics of CorrosionArcelorMittal Breaks Down the Physics of Corrosion

Arcelormittal, France
Researchers at Arcelormittal, France use modeling with COMSOL to better understand the mechanism behind delamination and underpaint corrosion and determine...

Modeling Helps Batteries Jump on the Train of Environmental ProgressModeling Helps Batteries Jump on the Train of Environmental Progress

GE Global Research, Niskayuna, NY
To develop its own high-temperature sodium metal-chloride battery, GE formed a team spanning its Global R&D laboratories, with members in Niskayuna, NY,...

Example Models

Fuel Cell StackFuel Cell Stack

A key optimization parameter in a fuel cell is the design of the reactant and product channels and inlets and outlets. Good designs require that the electrodes are well fed with a reactant and that products are removed as quickly as...

Pacemaker ElectrodePacemaker Electrode

This model illustrates the use of COMSOL Multiphysics for the modeling of ionic current distribution problems in electrolytes, in this case human tissue. The problem is exemplified on a pacemaker electrode, which actually consists of two...

Current Density Distribution in a Solid Oxide Fuel CellCurrent Density Distribution in a Solid Oxide Fuel Cell

This model presents a study of the current density distribution in a solid oxide fuel cell (SOFC). The model includes the full coupling between the mass balances at the anode and cathode, the momentum balances in the gas channels, the...

Current Distribution in a Chlor-Alkali Membrane CellCurrent Distribution in a Chlor-Alkali Membrane Cell

The chlor-alkali membrane process is one of the largest processes in industrial electrolysis with production of roughly 40 million metric tons of both chlorine and caustic soda per year. Chlorine’s largest use is in the production of...

Copper Deposition in a TrenchCopper Deposition in a Trench

This model demonstrates the use of moving meshes in the application of copper electrodeposition on circuit boards. In these environments, the presence of cavities or 'trenches' are apparent. The model makes use of the Nernst-Planck...

Steam ReformerSteam Reformer

In fuel cell power generators, a steam reformer unit typically produces the hydrogen needed for the cell stack. This example illustrates the modeling of a steam reformer. The reformation chemistry occurs in a porous catalytic bed where...