Title:
【発明の名称】アルミニウム物体よりなる陽極酸化層のマーキング
Document Type and Number:
Japanese Patent JP2003513828
Kind Code:
A
Abstract:
A marking (3 to 5) is provided in a surface (8) of an element (1) which comprises a substrate (6) of aluminum or an alloy thereof and an anodized outer layer (7) in that a region (10) of the surface (8) is irradiated with a laser beam such that at least one visual property of the surface (8) in said region (10) is changed and a visual marking (3 to 5) is obtained which is observable to the human eye. The laser beam penetrates the anodized outer layer (7) at least to a major degree and induces the change in the at least one visual property substantially locally only in a zone (9) where the anodized outer layer (7) adjoins the substrate (6).
Inventors:
Yeo Ken Kay
Application Number:
JP2001536380A
Publication Date:
April 15, 2003
Filing Date:
November 06, 2000
Export Citation:
Assignee:
Konin Krekka Philips Electronics NV
International Classes:
B23K26/00; B41M5/26; B44B7/00; B44C1/00; B44C1/22; C23C26/02; B23K103/10; C25D11/18; (IPC1-7): B44C1/22; B23K26/00
Attorney, Agent or Firm:
Susumu Tsugaru (1 person outside)