This invention relates to novel 1,4-diaza-bicyclo3. Bus master memory access break events and memory read and write accesses are also monitored as part of the arbitration process in accordance with certain embodiments of the present invention. Particular aspects of the present invention are described in the claims, specification and drawings. , with the functionalized oligomer or polymer being suitable for use in radiation curable or thermal curable coating compositions. An electron emission device includes a substrate, a cathode electrode, a gate electrode, which are arranged on the substrate, an insulation layer covering the surface of the cathode electrode, and a dipole layer formed by terminating the surface of the insulation layer with hydrogen. The composition for electrodeposition of polyimides according to the present invention comprises a composition for electrodeposition of polyimides comprising a photoacid generator, a positive-type photosensitive polyimide having oxycarbonyl groups in side chains, a polar solvent which dissolves said polyimide, water, a dispersing agent, and an alkaline neutralizer.