Photo-solidification modelling device

Assignee: Mitsubishi Corp

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Filing: 1991-11-01

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Granted: —

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Expires: 2011-11-01

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Abstract

Abstract A photo-solidification modeling device for forming a solidified image having a desired model shape by exposing to light a liquid capable of being solidified upon exposure to the light in a region corresponding to the desired model shape. A position of a contour of the desired model shape is computed, and an exposure region corresponding to the contour is specified. An exposure region inside the contour is specified according to one mode selected from a first mode where the inside exposure region is wholly exposed, a second mode where the inside exposure region is spacedly exposed, and a third mode where the inside exposure region is not exposed.

Inventors

👤 Naoichiro C/O Mitsubishi Corporation Saito
👤 Seiji C/O Mitsubishi Corporation Hayano

Bibliographic Details

Application Number —

Jurisdiction EP

Data Source google_patents

Last Synchronized 2026-11-08 20:57

CPC Classifications

B; B29; B29C; B29C64/00; B29C64/40; B29C64/10; B29C64/106; B29C64/124; B29C64/129; B29C64/135

Claims Analysis

Total Claims: 3

Claim 1

Independent Claim 110 words

A photo-solidification modeling device for forming a solidified image having a desired model shape by exposing to light a liquid capable of being solidified upon exposure to the light in a region corresponding to the desired model shape, characterised by first means for computing a position of a contour of said desired model shape and specifying an exposure region along said contour, and second means for specifying an exposure region inside said contour selectively operable in a first mode where said inside exposure region is wholly exposed, a second mode where said inside exposure region is intermittently exposed, and a third mode where said inside exposure region is not exposed.

Claim 2

Dependent Claim 44 words

A device according to claim 1, wherein said second means comprises means for offsetting an outer periphery of said inside exposure region by an amount such that said outer periphery overlaps with an inside half of said exposure region specified by said first means.

Claim 3

Dependent Claim 113 words

A device according to claim 1 or 2, wherein said first contour for each section divided from said desired model shape, and said second means comprises means for determining whether or not said exposure region corresponding to said contour of a first section is continuous to said exposure region corresponding to said contour of a second section adjacent to said first section and forcibly adopting said first mode to solidify said exposure region inside said contour of a larger one of said first and second sections when said exposure region corresponding to said contour of said first section is not continuous to said exposure region corresponding to said contour of said second section.

References Cited (Backward Citations)

WO1989010256A1 Cited

EP0388129A2 Cited

EP0406513A1 Cited

EP0429196A2 Cited

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