The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2014
Filed:
May. 10, 2006
Applicants:
Alexander David Scott Ellin, Horsley, GB;
James Reynolds Henshaw, Stroud, GB;
Inventors:
Alexander David Scott Ellin, Horsley, GB;
James Reynolds Henshaw, Stroud, GB;
Assignee:
Renishaw PLC, Wotton-under-Edge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/36 (2006.01); B23K 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of making metrological scale for scale reading apparatus includes directing a laser beam onto a scale substrate (). The laser parameters are such that the local area of the scale substrate () on which the laser beam is incident is caused to be displaced, thus creating scale markings ().