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:
Apr. 20, 2021
Filed:
Mar. 08, 2010
Applicants:
Alexander David Scott Ellin, Gloucestershire, GB;
James Reynolds Henshaw, Gloucestershire, GB;
David Roberts Mcmurtry, Gloucestershire, GB;
Inventors:
Alexander David Scott Ellin, Gloucestershire, GB;
James Reynolds Henshaw, Gloucestershire, GB;
David Roberts McMurtry, Gloucestershire, GB;
Assignee:
RENISHAW PLC, Wotton-under-Edge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/00 (2014.01); C03C 15/00 (2006.01); C23F 1/02 (2006.01); B23K 26/04 (2014.01); B23K 26/08 (2014.01); G01D 5/347 (2006.01); B23K 26/361 (2014.01);
U.S. Cl.
CPC ...
C23F 1/02 (2013.01); B23K 26/04 (2013.01); B23K 26/0823 (2013.01); B23K 26/361 (2015.10); G01D 5/34707 (2013.01);
Abstract
The invention provides a substrate treatment method and apparatus. Embodiments show a substrate in the form of a rotary encoder ring having a pattern of marks producable by means of a laser treatment device controllable to produce the pattern in the correct manner while there is continuous relative displacement between the ring and the laser treatment device.