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.

Date of Patent:
Sep. 25, 2018

Filed:

Dec. 04, 2014
Applicant:

Nordson Corporation, Westlake, OH (US);

Inventors:

Cutler Crowell, III, San Marcos, CA (US);

Payman Tayebi, San Marcos, CA (US);

Assignee:

Nordson Corporation, Westlake, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 18/00 (2006.01); G01C 25/00 (2006.01); G06F 3/0484 (2013.01); G01F 25/00 (2006.01); H01L 21/66 (2006.01); G05B 19/401 (2006.01); G01P 15/18 (2013.01); G01P 21/00 (2006.01); G01D 5/244 (2006.01); H05K 3/34 (2006.01);
U.S. Cl.
CPC ...
G01F 25/0092 (2013.01); G05B 19/4015 (2013.01); H01L 22/20 (2013.01); G01C 25/00 (2013.01); G01D 5/24452 (2013.01); G01D 18/00 (2013.01); G01P 15/18 (2013.01); G01P 21/00 (2013.01); G05B 2219/39026 (2013.01); G05B 2219/45235 (2013.01); G05B 2219/45238 (2013.01); G05B 2219/50033 (2013.01); H05K 3/3478 (2013.01); H05K 2203/0126 (2013.01);
Abstract

A method for calibrating a fluid dispensing system includes the steps of locating an external reference point with an optical sensor, moving a fluid dispenser to the external reference point, dispensing fluid with the fluid dispenser at the external reference point, locating the dispensed fluid with the optical sensor, calculating a distance between the location of the external reference point and the location of the dispensed fluid, determining a correction value based at least in part on the calculated distance, and using the correction value to improve placement accuracy of dispensed fluid.


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