Laser Fabrication of Low Resistivity Electrode on Glass

A method for low resistivity resistor on transparent substrate with laser induced plasma assisted by ablation and laser annealing was described. The diffusion distribution for metallization was measured with XPS. The surface profile was analysed with SEM. The minimum resistivity we got was 0.1 /Sq. It demonstrates that the electronic thin film obtained has a very good conductivity. The most important factors for forming electrically conducting films on the transparent substrate are laser fluence, beam scanning and pulse repetition rate. This technology will be useful in the fabrication of LCD electrode, glass defused resistor and circuit on glass.

Electrochemical Corrosion of Electrodes in a Simulated Nuclear Waste Glass Melt

ABSTRACTCorrosion of potential candidate electrode materials, molybdenum and tantalum, in a simulated nuclear waste glass melt was investigated using electrochemical (dc-powered) and non-powered tests. Electrochemical corrosion data showed that tantalum was more corrosion-resistant than molybdenum in this melt. Tantalum also showed passivation. The non-powered test data showed that tantalum corroded more than molybdenum. This was attributed to penetration of protective passivation layer at the tantalum-glass interface by the glass melt. Microstructural features and chemistry across selected electrode-glass interfacial regions supported these results.

Some Biassing Effects at the Electrode—Glass Interface

Informations concerning electrical biassing effects on a medium are derived, usually, from the electrodes. Therefore, we frequently encounter phenomena which are peculiar to the electrode—medium interface(s), besides those due to bulk properties. In this report naive aspect on intrinsic biassing effects at the interfaces was presented first; then, as one of extrinsic origins, the mechanism of silver injection into glass from the silver anode was discussed.