Title:
時計用部品、時計用ムーブメントおよび時計
Document Type and Number:
Japanese Patent JP7006065
Kind Code:
B2
Abstract:
An escape wheel (an example of a timepiece component) has a silicon-made substrate having an insertion portion into which an axle is inserted, and a coating film formed in a contact portion which comes into contact with at least the axle, on a front surface of the substrate. The coating film contains metal alkoxide having a fluorine atom.
Inventors:
Munehiro Shibuya
Takeo Funagawa
Takeo Funagawa
Application Number:
JP2017177064A
Publication Date:
January 24, 2022
Filing Date:
September 14, 2017
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
G04B15/14; F16H55/06; F16H55/17; G04B13/02
Domestic Patent References:
| JP2012167808A | ||||
| JP5798599A |
Foreign References:
| EP1705533A1 |
Attorney, Agent or Firm:
Intellectual Property Office