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Title:
SEMICONDUCTOR DEVICE, METHOD OF MANUFACTURING SAME, ELECTRONIC COMPONENT, CIRCUIT BOARD, AND ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2008211806
Kind Code:
A
Abstract:

To provide a semiconductor device which can be made small-sized, thin and highly functional, a method of manufacturing the same, an electronic component, a circuit board, and an electronic device.

A semiconductor device includes: a semiconductor substrate 10; an external connecting terminal 37 provided to the first surface 10a of the semiconductor substrate 10; a first electrode 22 provided to the first surface 10a of the semiconductor substrate 10 and electrically connected with the external connecting terminal 37; a second electrode 23 electrically connected with an electronic element provided to a second surface 10b facing the first surface 10a of the semiconductor substrate 10; a groove 11 provided to the second surface 10b of the semiconductor substrate 10 and reaching the second electrode 23; and a conductive unit 12 provided inside the groove 11 and electrically connected with the rear side 23a of the second electrode 23.


Inventors:
ITO HARUKI
HASHIMOTO NOBUAKI
Application Number:
JP2008056820A
Publication Date:
September 11, 2008
Filing Date:
March 06, 2008
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
H03H9/25; H01L23/02; H01L23/12; H01L25/065; H01L25/07; H01L25/18; H03H9/02
Domestic Patent References:
JP2002208655A2002-07-26
JP2005072419A2005-03-17
JP2004364041A2004-12-24
JP2004214787A2004-07-29
JP2003282790A2003-10-03
JP2005101128A2005-04-14
Attorney, Agent or Firm:
Kazuya Nishi
Masatake Shiga
Kazunori Onami