Title:
Electronic device
Document Type and Number:
Japanese Patent JP6342643
Kind Code:
B2
Abstract:
An electronic device of the present invention includes an insulating base substrate in which a plurality of through electrodes are formed, an electronic element which is electrically connected to the through electrodes and is mounted on one surface of the base substrate, a lid which accommodates the electronic element and is bonded to the one surface of the base substrate, and an external electrode which covers a region from an end face of the through electrode, which is exposed by the other surface of the base substrate, to the other surface in the vicinity of the end face. The external electrode includes a conductive film which covers a region ranging from the end face to the other surface in the vicinity of the end face, and a paste film which covers a surface of the conductive film and is formed of a conductive paste. The paste film is formed by a printing method and is formed of tin or a tin alloy.
Inventors:
Atsushi Kozuki
Hideshi Hamada
Yoshida Yoshifumi
Hideshi Hamada
Yoshida Yoshifumi
Application Number:
JP2013222588A
Publication Date:
June 13, 2018
Filing Date:
October 25, 2013
Export Citation:
Assignee:
Seiko Instruments Inc.
International Classes:
H01L23/04; B81B7/02; H01L33/62; H03H9/02
Domestic Patent References:
| JP2010166018A | ||||
| JP2012044105A | ||||
| JP2013197634A | ||||
| JP2010129564A | ||||
| JP2012114119A |
Attorney, Agent or Firm:
Noriaki Uchino
Toru Tanikawa
Takuya Shinoda
Toru Tanikawa
Takuya Shinoda