Method and apparatus for data manipulation and system control in a selective deposition modeling system

A variety of support structures and build styles for use in rapid prototyping and manufacturing systems are described wherein particular emphasis is given to thermal stereolithography, fused deposition modeling, and selective deposition modeling systems, and wherein a 3D modeling system is presented...

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Bibliographic Details
Main Authors THAYER, JEFFREY S, MANNERS, CHRIS R, MARYGOLD, PAUL H, EARL, JOCELYN M, KEREKES, THOMAS A
Format Patent
LanguageEnglish
French
German
Published 28.06.2000
Edition7
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CALCULATING
CASTING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
PHYSICS
POWDER METALLURGY
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING METALLIC POWDER
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A variety of support structures and build styles for use in rapid prototyping and manufacturing systems are described wherein particular emphasis is given to thermal stereolithography, fused deposition modeling, and selective deposition modeling systems, and wherein a 3D modeling system is presented which uses multijet dispensing and a single material for both object and support formation. Specifically described is the generation of data relating to the provision of support regions for objects formed on a layer-by-layer basis in which a Boolean difference (74) operation is used in comparing the extent of successive layers.
Bibliography:Application Number: EP20000201128