JPS5392377A - External parts for portable watches - Google Patents
External parts for portable watchesInfo
- Publication number
- JPS5392377A JPS5392377A JP15976976A JP15976976A JPS5392377A JP S5392377 A JPS5392377 A JP S5392377A JP 15976976 A JP15976976 A JP 15976976A JP 15976976 A JP15976976 A JP 15976976A JP S5392377 A JPS5392377 A JP S5392377A
- 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
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 TaC.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15976976A JPS5392377A (en) | 1976-12-30 | 1976-12-30 | External parts for portable watches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15976976A JPS5392377A (en) | 1976-12-30 | 1976-12-30 | External parts for portable watches |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5392377A true JPS5392377A (en) | 1978-08-14 |
Family
ID=15700856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15976976A Pending JPS5392377A (en) | 1976-12-30 | 1976-12-30 | External parts for portable watches |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5392377A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001305244A (en) * | 2000-04-20 | 2001-10-31 | Maruman Corporation:Kk | Case for radio wave wristwatch, manufacturing method for the case, and radio wave wristwatch using the case |
JP2018077082A (en) * | 2016-11-08 | 2018-05-17 | 昭和電工株式会社 | Method for evaluating tantalum carbide |
CN113355637A (en) * | 2020-03-06 | 2021-09-07 | 西铁城时计株式会社 | Decorative member, method for manufacturing decorative member, and timepiece including decorative member |
-
1976
- 1976-12-30 JP JP15976976A patent/JPS5392377A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001305244A (en) * | 2000-04-20 | 2001-10-31 | Maruman Corporation:Kk | Case for radio wave wristwatch, manufacturing method for the case, and radio wave wristwatch using the case |
JP2018077082A (en) * | 2016-11-08 | 2018-05-17 | 昭和電工株式会社 | Method for evaluating tantalum carbide |
WO2018088397A1 (en) * | 2016-11-08 | 2018-05-17 | 昭和電工株式会社 | Tantalum carbide evaluating method |
CN109863387A (en) * | 2016-11-08 | 2019-06-07 | 昭和电工株式会社 | The evaluation method of tantalum carbide |
US10900888B2 (en) | 2016-11-08 | 2021-01-26 | Showa Denko K.K. | Method for evaluating tantalum carbide |
CN113355637A (en) * | 2020-03-06 | 2021-09-07 | 西铁城时计株式会社 | Decorative member, method for manufacturing decorative member, and timepiece including decorative member |
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