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:
Aug. 13, 2002
Filed:
Jun. 30, 2000
Applicant:
Inventors:
Joseph W. Paulus, Portland, ME (US);
Scott R. Parent, Saco, ME (US);
Thomas M. Thibault, Saco, ME (US);
Guy P. Laverriere, Biddeford, ME (US);
Donald G. Parent, Windham, ME (US);
Assignee:
Steag HamaTech, Inc., Saco, ME (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 3/00 ; B23Q 7/00 ;
U.S. Cl.
CPC ...
B23Q 3/00 ; B23Q 7/00 ;
Abstract
A system and method to maintain concentricity of a center hole of a top substrate and of a bottom substrate in a bonded storage disk manufacturing system. A first device holds a coaxial arrangement of a top and bottom substrate around a first arbor. A second device holding the arrangement in a coaxial arrangement around a second arbor. One of the first and second arbors is fixed to its associated device and the other is movable in response to urging from the one arbor so that the arrangement maintains concentricity.