| 摘要 |
A method of forming projection electrodes includes the steps of mounting a resin mask on a base having pad portions on which projection electrodes should be formed, the resin mask having openings used to position the projection electrodes, providing paste on the pad portions of the base via the resin mask, mounting the projection electrodes, positioned by the resin mask, on the pad portions of the base, and carrying out a heat processing step for heating the pad portions and the projection electrodes positioned by the resin mask so that the projection electrodes are joined to the pad portions.
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