Title:
エンコーダ用磁気基板の製造方法
Document Type and Number:
Japanese Patent JP2014513273
Kind Code:
A
Abstract:
The present invention relates to a method for producing a magnetic substrate for an encoder scale. The method comprising the step of mechanically working the substrate, wherein the substrate is cooled prior to the mechanical working step. In one embodiment, a stainless steel substrate is used. The stainless steel may comprise an austenite (non-magnetic) phase and a martensite (magnetic) phase. Mechanically working and cooling in this manner increases the amount of magnetic (martensite) phase material that is formed, thereby improving the magnetic contrast when non-magnetic (austenite) marking are subsequently formed on the substrate by laser marking.
Inventors:
Peter Koguji
Vosite Les Covisek
Vosite Les Covisek
Application Number:
JP2013555930A
Publication Date:
May 29, 2014
Filing Date:
March 05, 2012
Export Citation:
Assignee:
RLS Merylna Tenica D.O.O.O.
International Classes:
G01D5/245; C21D1/06; C21D1/18; C21D7/02; C21D8/12; H01F1/14
Domestic Patent References:
| JP2008506905A | 2008-03-06 | |||
| JP2000297324A | 2000-10-24 | |||
| JPH10259422A | 1998-09-29 | |||
| JPH05248806A | 1993-09-28 | |||
| JPH0543991A | 1993-02-23 | |||
| JPH02161616A | 1990-06-21 | |||
| JPH0288715A | 1990-03-28 | |||
| JPH01201425A | 1989-08-14 | |||
| JPS6283620A | 1987-04-17 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office