Patent ID: 6852263

Claim:
A process for producing a wafer with a resin layer comprising plural projected electrodes and a cured resin layer formed on a projected electrode mounting side of the wafer, comprising the steps of: putting, on the projected electrode-mounting side of the wafer, a tablet comprising an epoxy resin composition, said epoxy resin composition comprising a curing agent and an epoxy resin represented by the general formula (1): wherein each of R 1 to R 5 is a hydrogen atom and m is 0 or a positive number of 5 or less, wherein said tablet is produced by a process comprising preparing a molten product of said epoxy resin composition in an uncured state and thereafter cooling and solidifying the molten product, and wherein the amount of the tablet that is reduced by heating is less than 0.05% by weight, and heating the tablet to be melt-cured, thereby forming the cured resin layer.