| 摘要 |
A key sheet 10 includes a key top 12, a pushing piece that mediates pressing force from the key top 12 to a metal dome 30, and a UV-curing resin sheet 20 that serves as a pushing pieces layer and includes a reinforcing rib 34 that improves rigidity of the key sheet 10. Further, an urethane sheet 10 and a PET sheet 18 are provided between the key top 12 and the UV-curing resin sheet 20 to serve as an intermediate layer. A method for manufacturing the key sheet 10 includes steps of integrally forming the UV-curing resin sheet 20 including the pushing pieces 28 and the reinforcing ribs 34 by filling a mold with a liquid UV-curing resin.
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