The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 09, 2010

Filed:

May. 07, 2004
Applicant:

Shojiro Sano, Shizuoka, JP;

Inventor:

Shojiro Sano, Shizuoka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 35/08 (2006.01); B29C 41/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for producing a three-dimensional model is provided. The process includes (a) a layer formation step of forming a layer of a powder material having a refractive index nabove a support, (b) a shape formation step of bonding the powder material layer into a predetermined shape by a binder that gives a refractive index n, and (c) sequentially repeating the above steps. The absolute value of the difference between the refractive index nof the powder material and the refractive index ngiven by the binder is 0.1 or less, and the binder includes two or more types of binders selected from the group consisting of at least one type of colored binder, a white binder, and a colorless transparent binder.


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