Stereolithographic method and apparatus for packaging...

Details Stereolithographic method and apparatus for packaging... Stereolithographic method and apparatus for packaging...

2005-06-21

2005-06-21

Picard, Leo (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C264S272110, C438S106000

Reexamination Certificate

active

06909929

ABSTRACT:
A stereolithographic method and apparatus for applying packaging material to workpieces, such as preformed electronic components, including semiconductor dice, with a high degree of precision, and resulting articles. A machine vision system including at least one camera is operably associated with a computer controlling a stereolithographic system for application of material so that the system may recognize the position and orientation of workpieces, such as semiconductor dice, to which the material is to be applied. The requirement for precise mechanical workpiece alignment is eliminated, and the ability of the system to recognize size, configuration and topography of different workpieces affords greater manufacturing flexibility. The method includes stereolithographic application of material for packaging electronic components, and the electronic components so packaged are also part of the invention.

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