JPS5550461A - Golden light weight hand for wristwatch - Google Patents

Golden light weight hand for wristwatch

Info

Publication number
JPS5550461A
JPS5550461A JP12234478A JP12234478A JPS5550461A JP S5550461 A JPS5550461 A JP S5550461A JP 12234478 A JP12234478 A JP 12234478A JP 12234478 A JP12234478 A JP 12234478A JP S5550461 A JPS5550461 A JP S5550461A
Authority
JP
Japan
Prior art keywords
film
wristwatch
anode oxidation
light weight
hole part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12234478A
Other languages
Japanese (ja)
Inventor
Hachiro Kushida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP12234478A priority Critical patent/JPS5550461A/en
Publication of JPS5550461A publication Critical patent/JPS5550461A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/02—Pretreatment of the material to be coated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemical Coating By Surface Reaction (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

PURPOSE:Golden light weight hand for wristwatch excellent in fire resisting and anticorrosive property, obtained by forming anode oxidation film having vacant hole part on the material surface of Al or Al alloy and moreover, forming Au coating on the anode oxidation film including the vacant hole part. CONSTITUTION:Blank of the above mentioned hand is made using the thin plate material 2 of Al alloy and after that, 3-10mu of porous film 1 is formed carrying out anode oxidation treatment. Then, Au is coated by each method of sputtering, ion plating or evaporation etc. without carrying out hooking hole treatment of the vacant hole part 5 and the Au film 4 is formed. As a result of it, superior sticking property of Au and the film 1, is obtained because Au is evaporated on the part 5 of the film 1 and also, flaking is not occurred because the material 2 and the film 1, are closely stuck with the barrier layer 3.
JP12234478A 1978-10-04 1978-10-04 Golden light weight hand for wristwatch Pending JPS5550461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12234478A JPS5550461A (en) 1978-10-04 1978-10-04 Golden light weight hand for wristwatch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12234478A JPS5550461A (en) 1978-10-04 1978-10-04 Golden light weight hand for wristwatch

Publications (1)

Publication Number Publication Date
JPS5550461A true JPS5550461A (en) 1980-04-12

Family

ID=14833621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12234478A Pending JPS5550461A (en) 1978-10-04 1978-10-04 Golden light weight hand for wristwatch

Country Status (1)

Country Link
JP (1) JPS5550461A (en)

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