Title:
ALUMINUM BASE DIE FOR STAMPERS AND METHOD FOR MANUFACTURING SAME, STAMPER AND METHOD FOR MANUFACTURING SAME, METHOD FOR MANUFACTURING ARTICLE, AND ANTIREFLECTION ARTICLE
Document Type and Number:
WIPO Patent Application WO/2013/146771
Kind Code:
A1
Abstract:
An aluminum base die to be used in producing stampers having a fine rugged structure on the surface, said aluminum base die comprising aluminum and magnesium, wherein: the magnesium content is 0.1-3 mass%; the silicon content is not more than 100 mass ppm; the sum of the contents of elements other than aluminum and magnesium is not more than 500 mass ppm; and, on the surface of the aluminum base die for stampers, the count of magnesium silicide particles having an equivalent diameter of 10 nm or greater is 10/1000 μm2 or less.
Inventors:
KOJIMA KATSUHIRO (JP)
ONOMOTO HIROSHI (JP)
KITA HIROAKI (JP)
SHIRAI KOTA (JP)
OKADA HIROSHI (JP)
MOCHIZUKI KAZUME (JP)
ONOMOTO HIROSHI (JP)
KITA HIROAKI (JP)
SHIRAI KOTA (JP)
OKADA HIROSHI (JP)
MOCHIZUKI KAZUME (JP)
Application Number:
PCT/JP2013/058757
Publication Date:
October 03, 2013
Filing Date:
March 26, 2013
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
NIPPON LIGHT METAL CO (JP)
NIPPON LIGHT METAL CO (JP)
International Classes:
C22C21/00; B29C33/38; B29C59/04; C22C21/06; C22F1/047; C25D11/04; G02B1/11; C22F1/00
Domestic Patent References:
| WO2011030850A1 | 2011-03-17 | |||
| WO2011055757A1 | 2011-05-12 | |||
| WO2010128662A1 | 2010-11-11 |
Foreign References:
| JP2012037670A | 2012-02-23 |
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
Masatake Shiga (JP)
Masatake Shiga (JP)
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