JPS5392375A - External parts for portable watches - Google Patents

External parts for portable watches

Info

Publication number
JPS5392375A
JPS5392375A JP15976576A JP15976576A JPS5392375A JP S5392375 A JPS5392375 A JP S5392375A JP 15976576 A JP15976576 A JP 15976576A JP 15976576 A JP15976576 A JP 15976576A JP S5392375 A JPS5392375 A JP S5392375A
Authority
JP
Japan
Prior art keywords
external parts
portable watches
parts
watches
portable
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
JP15976576A
Other languages
Japanese (ja)
Inventor
Tetsuo Nakagawa
Kenichi Shimodaira
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15976576A priority Critical patent/JPS5392375A/en
Publication of JPS5392375A publication Critical patent/JPS5392375A/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
    • C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
    • C23C14/0635—Carbides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Physical Vapour Deposition (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Abstract

PURPOSE:The captioned parts of high quality having high impact resistance, high mirror-surface gloss, a wide degree of freedom in design, high volume productivity, etc. which is obtainable by covering the surface of a metal or alloy having a specific Vickers hardness range with WC.
JP15976576A 1976-12-30 1976-12-30 External parts for portable watches Pending JPS5392375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15976576A JPS5392375A (en) 1976-12-30 1976-12-30 External parts for portable watches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15976576A JPS5392375A (en) 1976-12-30 1976-12-30 External parts for portable watches

Publications (1)

Publication Number Publication Date
JPS5392375A true JPS5392375A (en) 1978-08-14

Family

ID=15700767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15976576A Pending JPS5392375A (en) 1976-12-30 1976-12-30 External parts for portable watches

Country Status (1)

Country Link
JP (1) JPS5392375A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108588643A (en) * 2018-04-13 2018-09-28 精研（东莞）科技发展有限公司 A kind of method that physical vaporous deposition prepares black silicon carbide tungsten composite coating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108588643A (en) * 2018-04-13 2018-09-28 精研（东莞）科技发展有限公司 A kind of method that physical vaporous deposition prepares black silicon carbide tungsten composite coating
CN108588643B (en) * 2018-04-13 2020-02-18 精研（东莞）科技发展有限公司 Method for preparing black tungsten carbide composite coating by physical vapor deposition method

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