| 摘要 |
There are provided a developing roller capable of making useless a drying line in the formation of a resin layer and using a carbon-based electrically conducting agent for giving an electrical conductivity to the resin layer as well as an imaging apparatus using the same. The developing roller 1 comprises a shaft member 2 constituted with a hollow cylindrical body or a solid cylindrical body of a resin containing an electrically conducting agent and a resin layer 4. The resin layer 4 is made from a ultraviolet-curing type resin containing a carbon-based electrically conducting agent and a ultraviolet initiator, in which the ultraviolet initiator has a maximum wavelength in a ultraviolet absorption wavelength region of not less than 400 nm. The resin layer 4 may be made from an electron beam curing type resin containing the electrically conducting agent.
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