Color measurement feature for information handling system...

Optics: measuring and testing – Plural test

Reexamination Certificate

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Reexamination Certificate

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10818784

ABSTRACT:
A method and apparatus for ensuring consistency of color and cosmetic appearance of injection molded parts used in the fabrication of enclosures for information handling systems. A sample of polymer material having a texture and color in accordance with a predetermined specification is inspected by a spectrophotometer and the results of the measurements are stored in a cosmetic feature database of a manufacturing system. A plurality of enclosures for the information handling systems are then manufactured using information stored in the cosmetic feature database. Each of the enclosures has a molded feature that can be used to verify surface finish quality and color consistency of the injection molded parts used to fabricate the enclosure. In a production run for fabricating a plurality of enclosures, one of the enclosures can be removed from the production line and a molded feature can be inspected to determine whether the molded parts comply with predetermined standards for color and surface finish.

REFERENCES:
patent: 5452081 (1995-09-01), Wotzka et al.
patent: 6297948 (2001-10-01), Buican et al.
patent: 6330342 (2001-12-01), Winter et al.
patent: 6665178 (2003-12-01), Curlee et al.
patent: 6868371 (2005-03-01), Feldman et al.

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