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:
Feb. 22, 2005
Filed:
Jan. 07, 2002
Applicants:
Kurt W. Weber, Corona, CA (US);
Warren K. Wong, Yorba Linda, CA (US);
Chunmig Yang, Harbor City, CA (US);
Inventors:
Kurt W. Weber, Corona, CA (US);
Warren K. Wong, Yorba Linda, CA (US);
Chunmig Yang, Harbor City, CA (US);
Assignee:
Excellon Automation Company, Torrance, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23B035/00 ;
U.S. Cl.
CPC ...
Abstract
A method for drilling a hole in a work piece, such as printed circuit boards, comprises drilling to a point in a work piece and retracting said drill bit a retract distance. The retract distance is configured such that a tip end of said drill bit remains below a top surface of said work piece. The method further comprises drilling a distance greater than said retract distance into said work piece.