Process for forming integrated structures using three dimensional printing techniques
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United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 16, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An improved process for making a structure using three dimensional printing techniques is disclosed. Briefly stated, the method can be summarized by the following steps: A first type of powder material is deposited in a defined area to form a first layer. Next, a binder material is applied to certain regions of the first type of powder to define a portion of the structure to be formed. And finally, a portion of the unbound powder is removed using a technique such as vacuuming. The foregoing steps are repeated a sufficient number of times to create the desired shape of the structure as defined by the regions held by the binder material.
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