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| Number | Title | Issue Date |
| 8004559 | Apparatus for measuring three dimensional shape An apparatus for measuring a 3-dimensional (3D) shape which can remove a shadow, which may occur when measuring the 3D shape, and also can measure a reflected light from an external surface of a test object, is provided. The apparatus for measuring a 3D shape includ... | 08/23/2011 |
| 7894077 | Multi-directional projection type moire interferometer and inspection method of using the same A multi-directional projection type moiré interferometer includes a stage, an image formation part, rotating mirrors, fixed mirrors, and a pattern illumination generating part. The stage moves a target object. The image formation part is provided above the stage to... | 02/22/2011 |
| 7884949 | Three-dimensional image measuring apparatus The present invention relates to a three-dimensional image measuring apparatus comprising: an XYZ shaft transfer means mounted onto a base member; a work stage mounted to the base member, for moving a measuring object to a measuring position and thereafter supportin... | 02/08/2011 |
| 7545512 | Method for automated measurement of three-dimensional shape of circuit boards A method of measuring a 3D shape includes the steps of measuring a brightness of a first illumination source 41a, measuring a phase-to-height conversion factor, measuring a 3D shape of a circuit board 62 according to the normal inspection mode, ... | 06/09/2009 |
| 7453580 | Three-dimensional image measuring apparatus The present invention relates to a three-dimensional image measuring apparatus comprising: an XYZ shaft transfer means mounted onto a base member; a work stage mounted to the base member, for moving a measuring object to a measuring position and thereafter supportin... | 11/18/2008 |
| 7400413 | Three-dimensional shape measuring apparatus using shadow moire A 3D shape measuring apparatus using a shadow moire, which can measure a 3D shape of a test object by selectively switching on/off a plurality of illuminating parts irrespective of a form of the test object is provided. The 3D shape measuring apparatus using the sha... | 07/15/2008 |
