Abstract: A method for performing an operation on an article, the article including a plurality of fiducial marks and a set of features. A digital imaging system is used to capture a digital image of the article, which is analyzed to determine spatial relationships between positions of the features and positions of the fiducial marks. The article is positioned in proximity to an instrument and a fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. Predicted positions of the features are determined responsive to the determined spatial relationships and the determined fiducial mark positions. The position of the instrument or the article is adjusted responsive to the predicted positions of the features, and the instrument is used to perform an operation on the article.

Abstract: A system is used to perform an operation on an article, the article including a plurality of fiducial marks and a set of features. A digital imaging system captures a digital image of the article, which is analyzed to determine spatial relationships between positions of the features and positions of the fiducial marks. The article is positioned in proximity to an instrument and a fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. Predicted positions of the features are determined responsive to the determined spatial relationships and the determined fiducial mark positions. The position of the instrument or the article is adjusted responsive to the predicted positions of the features, and the instrument is used to perform an operation on the article.

Abstract: A method for electrically testing devices fabricated on successive frames of a web of substrate, each frame including a plurality of fiducial marks. A digital imaging system is used to capture a digital image of a frame, which is analyzed to determine spatial relationships between positions of a set of test pads and positions of the fiducial marks. The frame is advanced to an electrical test fixture which includes a set of test probes adapted to make electrical contact with the test pads. A fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. The position of the electrical test fixture is adjusted responsive to the determined spatial relationships and the determined fiducial mark positions so that the test probes are aligned with corresponding test pads, and an electrical test of the device is performed.

Abstract: An electrical testing system is adapted to perform electrical tests on devices fabricated on successive frames of a web of substrate, each frame including a plurality of fiducial marks. A digital imaging system captures a digital image of a frame, which is analyzed to determine spatial relationships between positions of a set of test pads and positions of the fiducial marks. The frame is advanced to an electrical test fixture which includes a set of test probes adapted to make electrical contact with the test pads. A fiducial sensing system including a plurality of fiducial sensors determines positions of the fiducial marks. The position of the electrical test fixture is adjusted responsive to the determined spatial relationships and the determined fiducial mark positions so that the test probes are aligned with corresponding test pads, and an electrical test of the device is performed.

Abstract: A method for printing a plurality of image planes on a substrate, the method includes providing a plurality of print head for depositing material on the substrate as the substrate moves along a transport path; providing a first sensor in a predetermined position along a transport path relative to predetermined positions of the plurality of print heads; providing an indication of position of the substrate along the transport path; providing a plurality of cue marks at predetermined positions or intervals on the substrate which are detected by the first sensor; and determining placement of an image plane printed by at least one of the plurality of print heads upstream of the first sensor based on the detection of position of the cue marks on the substrate by the first sensor.

Abstract: An electrical testing system is adapted to perform electrical tests on devices fabricated on successive frames of a web of substrate, each frame including a plurality of fiducial marks. A digital imaging system captures a digital image of a frame, which is analyzed to determine spatial relationships between positions of a set of test pads and positions of the fiducial marks. The frame is advanced to an electrical test fixture which includes a set of test probes adapted to make electrical contact with the test pads. A fiducial sensing system including a plurality of fiducial sensors determines positions of the fiducial marks. The position of the electrical test fixture is adjusted responsive to the determined spatial relationships and the determined fiducial mark positions so that the test probes are aligned with corresponding test pads, and an electrical test of the device is performed.

Abstract: A system is used to perform an operation on an article, the article including a plurality of fiducial marks and a set of features. A digital imaging system captures a digital image of the article, which is analyzed to determine spatial relationships between positions of the features and positions of the fiducial marks. The article is positioned in proximity to an instrument and a fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. Predicted positions of the features are determined responsive to the determined spatial relationships and the determined fiducial mark positions. The position of the instrument or the article is adjusted responsive to the predicted positions of the features, and the instrument is used to perform an operation on the article.

Abstract: A method for performing an operation on an article, the article including a plurality of fiducial marks and a set of features. A digital imaging system is used to capture a digital image of the article, which is analyzed to determine spatial relationships between positions of the features and positions of the fiducial marks. The article is positioned in proximity to an instrument and a fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. Predicted positions of the features are determined responsive to the determined spatial relationships and the determined fiducial mark positions. The position of the instrument or the article is adjusted responsive to the predicted positions of the features, and the instrument is used to perform an operation on the article.

Abstract: A method for electrically testing devices fabricated on successive frames of a web of substrate, each frame including a plurality of fiducial marks. A digital imaging system is used to capture a digital image of a frame, which is analyzed to determine spatial relationships between positions of a set of test pads and positions of the fiducial marks. The frame is advanced to an electrical test fixture which includes a set of test probes adapted to make electrical contact with the test pads. A fiducial sensing system including a plurality of fiducial sensors is used to determine positions of the fiducial marks. The position of the electrical test fixture is adjusted responsive to the determined spatial relationships and the determined fiducial mark positions so that the test probes are aligned with corresponding test pads, and an electrical test of the device is performed.

Abstract: A method for printing a plurality of image planes on a substrate, the method includes providing a plurality of print head for depositing material on the substrate as the substrate moves along a transport path; providing a first sensor in a predetermined position along a transport path relative to predetermined positions of the plurality of print heads; providing an indication of position of the substrate along the transport path; providing a plurality of cue marks at predetermined positions or intervals on the substrate which are detected by the first sensor; and determining placement of an image plane printed by at least one of the plurality of print heads upstream of the first sensor based on the detection of position of the cue marks on the substrate by the first sensor.