- 专利标题： QUARTZ CRYSTAL DEVICE, CRYSTAL UNIT, AND CRYSTAL CONTROLLED OSCILLATOR
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申请号： US17841674申请日： 2022-06-16
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公开(公告)号： US20220416721A1公开(公告)日： 2022-12-29
- 发明人: Tomonori ABE
- 申请人： NIHON DEMPA KOGYO CO., LTD.
- 申请人地址： JP Tokyo
- 专利权人： NIHON DEMPA KOGYO CO., LTD.
- 当前专利权人： NIHON DEMPA KOGYO CO., LTD.
- 当前专利权人地址： JP Tokyo
- 优先权： JP2021-107316 20210629
- 主分类号： H03B5/32
- IPC分类号： H03B5/32
摘要：
A quartz crystal device includes a package, a pedestal, and a crystal element. The pedestal is disposed in the package. The crystal element is bonded to the pedestal at four points. An angle formed by a center line connecting midpoints of both short sides of the crystal element and a straight line connecting a center point of the center line and each of bonding points is 22° or more and 30° or less.
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