Title:
ALUMINUM LAMINATE AND MANUFACTURING METHOD THEREOF
Document Type and Number:
Japanese Patent JP2019147974
Kind Code:
A
Abstract:
To provide an aluminum laminate that has an anodic oxide film with a breakdown voltage of 0.2 kV or greater, in which any crack does not occur in the anodic oxide film layer even in a roll-to-roll processing using a guide roll of 50 mm in minimum diameter.SOLUTION: An anodic oxide film 2 is formed on an aluminum base material 1 so that the thickness is between 2 and 20 μm, Ra is 15 nm or less, and overall thickness+anodic oxide film thickness×10 is 230 or less. Sealing degree admittance Y value after sealing treatment is less than 100 μS.SELECTED DRAWING: Figure 1
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Inventors:
SHINGU SUSUMU
OYAGI MITSUNARI
OYAGI MITSUNARI
Application Number:
JP2018032095A
Publication Date:
September 05, 2019
Filing Date:
February 26, 2018
Export Citation:
Assignee:
TOYO ALUMINIUM KK
International Classes:
C25D11/04; C25D11/08; C25D11/18
Domestic Patent References:
| JP2012033853A | 2012-02-16 | |||
| JP2011171379A | 2011-09-01 | |||
| JP2012201891A | 2012-10-22 | |||
| JP2015196867A | 2015-11-09 | |||
| JPH0475208A | 1992-03-10 | |||
| JP2013253317A | 2013-12-19 |
Attorney, Agent or Firm:
Fukami patent office