Feature protection for stereo lithographic manufacturing...

Details Feature protection for stereo lithographic manufacturing... Feature protection for stereo lithographic manufacturing...

2007-01-22

2011-12-13

Le, Huyen D (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S324000, C381S328000

Reexamination Certificate

active

08077894

ABSTRACT:
To prevent stereo lithography (SLA) support structures for parts fabricated in an SLA apparatus from interfering with features in the parts, a structural shield such as a dome may be place around the feature and then discarded at the conclusion of the SLA process.

REFERENCES:
patent: 6766878 (2004-07-01), Widmer et al.
patent: 2002/0196954 (2002-12-01), Marxen
patent: 2005/0074543 (2005-04-01), Stevens et al.
patent: 2009/0189313 (2009-07-01), Masters
patent: 1 120 228 (2001-08-01), None
Extended European Search Report for European Patent Application No. 08250260.0 dated Jul. 22, 2010.

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