PRODUCTION METHOD FOR SUBSTRATE WITH BUILT-IN CAPACITOR AND PRODUCTION METHOD FOR ELEMENT SHEETS THAT CAN BE USED IN AFOREMENTIONED PRODUCTION METHOD

WIPO Patent Application WO/2011/118307

A1

Disclosed is a production method comprising an element sheet manufacturing step, a pasting step, an etching step, and a laminating step. In the element sheet manufacturing step, a metal foil (50) is used and a dielectric layer (13) is formed by the use of a power injection coating method on a predetermined region (54) in said metal foil (50), whereby said region becomes a first electrode layer for a capacitor element. A metal layer that acts as a second electrode layer for the capacitor element is then formed on said dielectric layer (13) to produce an element sheet with elements. In the pasting step, the element sheet is pasted on an insulation base material. In the etching step, a capacitor element composed of element sheet elements is formed on the insulation base material by etching on the metal foil (50). In the laminating step, a separate insulation base material is laminated on the insulation base material.

NOGUCHI HITOSHI (JP)
TANAKA NAOKI (JP)
NAKAMURA TATSUYA (JP)
EZAKI KENICHI (JP)
NIKI KAZUYA (JP)

PCT/JP2011/053639

September 29, 2011

February 21, 2011

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SANYO ELECTRIC CO (JP)
NOGUCHI HITOSHI (JP)
TANAKA NAOKI (JP)
NAKAMURA TATSUYA (JP)
EZAKI KENICHI (JP)
NIKI KAZUYA (JP)

H05K3/46; H01G4/12; H05K1/16

JP2006196886A	2006-07-27
JP2004342831A	2004-12-02
JP2005294674A	2005-10-20
JP2004134806A	2004-04-30
JP2008218753A	2008-09-18

Hiroshi Sumiya (JP)
KADOYA HIROSHI (JP)

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