| 20100097893 | Method and Apparatus for Locating the Surface of Solid Growth Culture Media in a Plate - A method for locating the surface of a solid growth culture medium in a plate in a plate work position, the plate work position including a sensor and having a datum level fixed in one dimension (z), the method including: ˜placing the plate in the plate work position; ˜using the sensor to sense the medium surface for the positioned plate and measuring the distance to the medium surface; and ˜referencing the measured distance to the datum level to determine a surface positional reference, relative to the datum level, in one dimension (z) for the surface of the medium in the positioned plate. | 04-22-2010 |
