JPS5623271A - Armoring parts for watch - Google Patents
Armoring parts for watchInfo
- Publication number
- JPS5623271A JPS5623271A JP9757979A JP9757979A JPS5623271A JP S5623271 A JPS5623271 A JP S5623271A JP 9757979 A JP9757979 A JP 9757979A JP 9757979 A JP9757979 A JP 9757979A JP S5623271 A JPS5623271 A JP S5623271A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- mold
- watch
- forming
- sputtering
- 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
Landscapes
- Physical Vapour Deposition (AREA)
Abstract
PURPOSE: To obtain armoring parts for watch having high hardness and corrosion resistance and also beautiful gloss, by forming the coating layer of an amorphous alloy on the surface of a metallic mold for the armoring parts.
CONSTITUTION: After forming nocrystal alloy on a part or whole surface of mold having the final shape or nerly formed to the final shape of armoring parts for watch by the vacuum surface treatment, said mold is removed and desired parts is obtained. For example, Fe alloy mixed in the ratio of 59 (Fe): 16 (Cr): 10 (Mo): 15 (C) by atomic% and forming an amorphous alloy, is melt casted in the vacuum furnace and a target having a fixed diemension is made. Said target is sputtered on a metallic mold 1 for the case body made of brass previously by the high frequency sputtering apparatus. Sputtering conditions are as follows: 13.56MHz, 5KV, 300mA electric discharge condition; 40mm distance between both electrodes; 5×10-2 Torr. Ar atmosphere; 100Å/mm sputtering speed. 500H sputtering time and 50 pieces molds are put in the same bell jar and desired case body is obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9757979A JPS5623271A (en) | 1979-07-31 | 1979-07-31 | Armoring parts for watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9757979A JPS5623271A (en) | 1979-07-31 | 1979-07-31 | Armoring parts for watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5623271A true JPS5623271A (en) | 1981-03-05 |
Family
ID=14196146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9757979A Pending JPS5623271A (en) | 1979-07-31 | 1979-07-31 | Armoring parts for watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5623271A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58107482A (en) * | 1981-12-22 | 1983-06-27 | Ayao Wada | Processing and cutting tool, metal mold, mechanical parts and other metal product having amorphous metal thin film |
-
1979
- 1979-07-31 JP JP9757979A patent/JPS5623271A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58107482A (en) * | 1981-12-22 | 1983-06-27 | Ayao Wada | Processing and cutting tool, metal mold, mechanical parts and other metal product having amorphous metal thin film |
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