JPS62116767A - Metallic member coated with hard carbon film - Google Patents

Metallic member coated with hard carbon film

Info

Publication number
JPS62116767A
JPS62116767A JP25642685A JP25642685A JPS62116767A JP S62116767 A JPS62116767 A JP S62116767A JP 25642685 A JP25642685 A JP 25642685A JP 25642685 A JP25642685 A JP 25642685A JP S62116767 A JPS62116767 A JP S62116767A
Authority
JP
Japan
Prior art keywords
layer
carbon film
hard carbon
film
intermediate layer
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.)
Granted
Application number
JP25642685A
Other versions
JPH0660404B2 (en
Inventor
Nobuhito Fukushima
Takanori Minamitani
Nobuyuki Yoshino
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 JP25642685A priority Critical patent/JPH0660404B2/en
Publication of JPS62116767A publication Critical patent/JPS62116767A/en
Publication of JPH0660404B2 publication Critical patent/JPH0660404B2/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Abstract

PURPOSE: To form stable hardened films on various metallic members by providing an intermediate layer consisting of two layers of Cr or Ti and Si or Ge between a hard carbon film and metallic member.
CONSTITUTION: The intermediate layer 14 of the lower layer 11 consisting of a Cr or Ti layer and the upper layer 12 consisting of an Si or Ge layer is formed on the various metallic members 10. The hard carbon film 13 is formed via such intermediate layer 14. The above-mentioned lower layer 11 has about ≥0.05μm film thickness and adheres well to a metallic substrate 10. The upper layer 12 is about ≥0.1μm and improves the adhesiveness between the lower layer 11 and the hard film 13. The intermediate layer 14 is preferably formed by an ion plating method, vapor growth method, etc. The hard carbon film 13 is preferably formed by a plasma polymn. method. The metallic member formed with the hard film having safety and reliability is provided by the above- mentioned method.
COPYRIGHT: (C)1987,JPO&Japio
JP25642685A 1985-11-15 1985-11-15 Ca - metallic member coated with a carbon hard film Expired - Lifetime JPH0660404B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25642685A JPH0660404B2 (en) 1985-11-15 1985-11-15 Ca - metallic member coated with a carbon hard film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25642685A JPH0660404B2 (en) 1985-11-15 1985-11-15 Ca - metallic member coated with a carbon hard film

Publications (2)

Publication Number Publication Date
JPS62116767A true JPS62116767A (en) 1987-05-28
JPH0660404B2 JPH0660404B2 (en) 1994-08-10

Family

ID=17292499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25642685A Expired - Lifetime JPH0660404B2 (en) 1985-11-15 1985-11-15 Ca - metallic member coated with a carbon hard film

Country Status (1)

Country Link
JP (1) JPH0660404B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0605179A1 (en) * 1992-12-22 1994-07-06 Citizen Watch Co. Ltd. Hard carbon coating-clad base material
US6821624B2 (en) * 2000-02-25 2004-11-23 Sumitomo Electric Industries, Ltd. Amorphous carbon covered member

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100261534B1 (en) * 1995-03-09 2000-08-01 하루타 히로시 Guide bush and method for forming a hard carbon film on an interal circumferential surface of said bush

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0605179A1 (en) * 1992-12-22 1994-07-06 Citizen Watch Co. Ltd. Hard carbon coating-clad base material
US5607779A (en) * 1992-12-22 1997-03-04 Citizen Watch Co., Ltd. Hard carbon coating-clad base material
US6074766A (en) * 1992-12-22 2000-06-13 Citizen Watch Co., Ltd. Hard carbon coating-clad base material
US6180263B1 (en) 1992-12-22 2001-01-30 Citizen Watch Co., Ltd. Hard carbon coating-clad base material
US6821624B2 (en) * 2000-02-25 2004-11-23 Sumitomo Electric Industries, Ltd. Amorphous carbon covered member

Also Published As

Publication number Publication date
JPH0660404B2 (en) 1994-08-10

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term