| 摘要 |
A hollow package includes a package body composed of an epoxy resin having a low thermal coefficient of linear expansion, wherein the package body includes a recess for receiving an electronic component, and leads, for extracting electrodes of the electronic component, extending from the inner surface of the recess, via the upper surface of the package body, to the peripheral surface, and a transparent sealing plate bonded onto the upper surface of the package body with an ultraviolet-curable resin.
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