Title:
PLATED STEEL SHEET FOR ELECTROMAGNETIC WAVE SHIELD HAVING CORROSION RESISTANCE
Document Type and Number:
Japanese Patent JP2003293192
Kind Code:
A
Abstract:
To obtain a plated steel sheet for an electromagnetic wave shield which has increased corrosion resistance while securing the electromagnetic wave shield properties characteristic of a Cu plated steel sheet.
As a first layer, an Ni plated layer with a film thickness of ≥0.05 μm is formed on both sides of a base steel sheet; as a second layer, a Cu plated layer with a film thickness of ≥0.2 μm is formed on the both sides; as a third layer, a chemical conversion treatment film by using benzotriazole is formed on the both sides; and, as a fourth layer, a resin coated layer with a film thickness of ≤3 μm is formed on the both sides or its one side, in this order.
Inventors:
WATANABE KEIICHI
NAGAO MASAO
IWAMIZU YOSHIHARU
IZUMI KEIJI
NAGAO MASAO
IWAMIZU YOSHIHARU
IZUMI KEIJI
Application Number:
JP2002096578A
Publication Date:
October 15, 2003
Filing Date:
March 29, 2002
Export Citation:
Assignee:
NISSHIN STEEL CO LTD
International Classes:
C25D7/00; C23C22/63; C23C28/00; C25D5/12; C25D5/16; C25D5/26; H05K9/00; (IPC1-7): C25D7/00; C23C22/63; C23C28/00; C25D5/12; C25D5/16; C25D5/26; H05K9/00
Attorney, Agent or Firm:
Wataru Ogura (2 outside)
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