| 摘要 |
PROBLEM TO BE SOLVED: To provide a crystal device for surface mounting, capable of preventing an electrical short-circuit with a crystal holding terminal and contact with a crystal piece, and of enhancing the productivity. SOLUTION: In the crystal device for surface mounting, at least a crystal piece 2 is housed in a container body 1, which is provided with a bottom wall 1a and a frame wall 1b, constituted of laminated ceramic and turned into a rectangular shape, in plan view, with the cross section in a recessed shape; a metal cover 3 is bonded to a metal film 6, on a frame wall upper surface to be the opening end face of the container body 1 with an eutectic alloy 7; and the crystal piece 2 is tightly enclosed. In the crystal device for surface mounting, on the frame wall inner periphery of at least the opposing respective sides, excluding the corner parts of the container body 1, a wide alloy inflow film 11, electrically connected to the metal film 6 and turned into a straight form in the width direction where the eutectic alloy 7 flows in, is provided. COPYRIGHT: (C)2010,JPO&INPIT
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