Invention Grant
- Patent Title: Crystal device for surface mounting
- Patent Title (中): 水晶装置用于表面安装
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Application No.: US12384515Application Date: 2009-04-06
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Publication No.: US07859348B2Publication Date: 2010-12-28
- Inventor: Shigeyoshi Murase , Chisato Ishimaru
- Applicant: Shigeyoshi Murase , Chisato Ishimaru
- Applicant Address: JP Tokyo
- Assignee: Nihon Dempa Kogyo Co., Ltd.
- Current Assignee: Nihon Dempa Kogyo Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Carrier Blackman & Associates, P.C.
- Agent William D. Blackman; Joseph P. Carrier
- Priority: JP2008-107108 20080416
- Main IPC: H01L41/053
- IPC: H01L41/053 ; H03B1/00
Abstract:
A crystal device for surface mounting, in which a metal cover is jointed to the metal ring by seam welding, satisfies relationships A2/A1
Public/Granted literature
- US20090261913A1 Crystal device for surface mounting Public/Granted day:2009-10-22
Information query
IPC分类:
