Study on nonlaminate micro stereolithography using LCD mask (1st report) - Nonlaminate fabrication using gray scale image

Terutake Hayashi, Takashi Miyoshi, Yasuhiro Takaya, Satoru Takahashi

Research output: Contribution to journalArticle

Abstract

This paper presents a new method for fabricating micro structure by applying the stereolithography. This process is characterized by the mask exposure method and the nonlaminate 3-D constructing process for fabricating 3-D object precisely. The exposing method of stereolithography is roughly classified into two categories. One is a laser scanning method, the other is a mask method. The mask method is more suitable for small size parts fabrication than the laser scanning method. However, precise adjustment of many masks is difficult for manufacturing 3-D structures. In this paper, a new stereolithography process for micro manufacturing is proposed, namely stereolithography using liquid crystal display (LCD) mask. Fundamental experiments were performed to verify the proposed method. Both a micro gear with a tooth width of about 80 μ m and pyramidal shape 1.5 mm in height can be fabricated in a few seconds without lamination. This method enables precise fabrication of various microstructures at high speed as compared with conventional techniques.

Original languageEnglish
Pages (from-to)628-632
Number of pages5
JournalSeimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering
Volume67
Issue number4
DOIs
Publication statusPublished - Jan 1 2001
Externally publishedYes

Fingerprint

Stereolithography
Liquid crystal displays
Masks
Fabrication
Scanning
Microstructure
Lasers
Gear teeth
Gears
Experiments

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

Cite this

Study on nonlaminate micro stereolithography using LCD mask (1st report) - Nonlaminate fabrication using gray scale image. / Hayashi, Terutake; Miyoshi, Takashi; Takaya, Yasuhiro; Takahashi, Satoru.

In: Seimitsu Kogaku Kaishi/Journal of the Japan Society for Precision Engineering, Vol. 67, No. 4, 01.01.2001, p. 628-632.

Research output: Contribution to journalArticle

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