Abstract: Systems and methods for electrically isolating conductive members on an array of lead frames. In one embodiment, a system includes a stage for positioning the array to receive laser radiation, a computer system and electro-optical components. The system can sever conductive members from one another by laser ablation effected with programmable scanning of light from a laser. Software effects ablation paths along a plurality of lines across the array of lead frames. In a related method, the array is of a specified design and of the type formed on a sheet having a plurality lead frames interconnected through integrally formed dam bars. Reference information is provided to describe geometric or dimensional features, including predefined laser ablation scan paths for performing cuts along predefined cut lines on each lead frame. The cut lines are specific to the lead frame array design. Fiducial markings are located on the sheet.

Abstract: Systems and methods for removing material from a packaged electronic device of the type encapsulated with a protective material that forms an outer surface of the device. An exemplary system includes a stage for placing the device in a first position for receiving laser radiation to remove the material by ablation, and for placing the device in a second position for viewing one or more features along the outer surface of the device. An optical system is configured to provide an exterior image, including one or more features along an exposed surface of the device, while the device remains in the second position. A viewing system displays a captured image of the device, including one or more features interior to the protective surface, overlayed with the exterior image for simultaneous viewing of both images so that a position of a first feature present in the captured image can be viewed in relation to a position of a second feature in the exterior image.

Abstract: Systems and methods for electrically isolating conductive members on an array of lead frames. In one embodiment, a system includes a stage for positioning the array to receive laser radiation, a computer system and electro-optical components. The system can sever conductive members from one another by laser ablation effected with programmable scanning of light from a laser. Software effects ablation paths along a plurality of lines across the array of lead frames. In a related method, the array is of a specified design and of the type formed on a sheet having a plurality lead frames interconnected through integrally formed dam bars. Reference information is provided to describe geometric or dimensional features, including predefined laser ablation scan paths for performing cuts along predefined cut lines on each lead frame. The cut lines are specific to the lead frame array design. Fiducial markings are located on the sheet.

Abstract: Systems and methods for removing material from a packaged electronic device of the type encapsulated with a protective material that forms an outer surface of the device. An exemplary system includes a stage for placing the device in a first position for receiving laser radiation to remove the material by ablation, and for placing the device in a second position for viewing one or more features along the outer surface of the device. An optical system is configured to provide an exterior image, including one or more features along an exposed surface of the device, while the device remains in the second position. A viewing system displays a captured image of the device, including one or more features interior to the protective surface, overlayed with the exterior image for simultaneous viewing of both images so that a position of a first feature present in the captured image can be viewed in relation to a position of a second feature in the exterior image.

Abstract: Items are stored in movable containers having multiple storage locations. The containers can be rows of storage units having shelves and bays in a mobile aisle storage system. The identity and location of each item is stored in a computer. To retrieve a selected item, its identity is entered into the computer. The computer automatically moves the containers to open the aisle where the selected item is stored to permit access to the item. The location of the item is indicated on a visible display which shows, for example, the shelf and bay number where the item is stored.