Methods and systems for calibration of a positional orientation between a sample container and nozzle tip
US9517468B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2012 |
| Grant date | Dec 13, 2016 |
| Priority date | — |
| Expiry date | Jun 23, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N35/1011
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed are methods to aid in a calibration of a vertical orientation of a nozzle tip to a sample container in a processing or testing system. The method includes positioning the nozzle over a calibration target at a home height location (HM), moving the nozzle downward a distance (D) until contact with the calibration target is sensed, positioning the nozzle over the sample rack and moving the nozzle downward until contact with a registration location is sensed, imaging the sample rack and calibration target to determine a height (H) between the registration location and calibration target, and calculating a translation ratio (TR) between the height (H) measured in pixel space and the distance (D) measured in machine space. The translation ratio (TR) may be used to drive the nozzle tip to a predetermined depth. A robot calibration system is disclosed, as are other aspects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.