发明名称 |
SURFACE-MOUNT TYPE CRYSTAL UNIT |
摘要 |
A surface-mount type crystal unit includes a package body which is made of a laminated ceramic and has a bottom wall layer and a frame wall formed on the bottom wall layer, the frame wall layer having an opening. In the package body, a concavity is constructed of the opening. The crystal unit further includes a pair of crystal holding terminals formed on one end part of the inner bottom surface of a concavity which is a top face of the bottom wall layer; a crystal blank held in the concavity by fixing the both sides of the one end part of the crystal blank to the pair of crystal holding terminals; a thermistor; and a cover which closes the concavity. The thermistor is arranged in a hollow part arranged in the top face of the bottom wall layer in the concavity.
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申请公布号 |
US2008197755(A1) |
申请公布日期 |
2008.08.21 |
申请号 |
US20080035027 |
申请日期 |
2008.02.21 |
申请人 |
NIHON DEMPA KOGYO CO., LTD. |
发明人 |
MIYAHARA ITARU;AKANE KATSUNORI |
分类号 |
H01L41/053 |
主分类号 |
H01L41/053 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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