Results 81 to 90 of about 19,319 (193)

A Computer Model for Laser Photopolymerization [PDF]

, 1990
A computer model for a laser induced photopolymerization process has been established which simulates stereolithography. The model couples irradiation, chemical reaction, and heat transfer equations to provide insights into rate processes occurring in ...
Chartoff, Richard P., Flach, Lawrance
core   +1 more source

Effects of silanized nano-Al2O3 fillers on the mechanical properties and printing accuracy of photopolymer resins for 3D printing dental applications

Materials Research Express
Three-dimensional (3D) printing dental applications are broadly applied in multiple specialties of dentistry facilitating diagnosis and treatment greatly. However, the current photopolymer materials for 3D printing dental applications often fail to yield
Shiyu Ji, Jingyi Ren, Jing Zhang, Wenjuan Zhou, Zhonghao Liu   +4 more
doaj   +1 more source

3D Shape Reconstruction of 3D Printed Transparent Microscopic Objects from Multiple Photographic Images Using Ultraviolet Illumination

Micromachines, 2018
We propose and demonstrate a simple, low-cost, three-dimensional (3D) shape acquisition method for transparent 3D printed microscopic objects. Our method uses ultraviolet (UV) illumination to obtain high-contrast silhouette images of transparent 3D ...
Keishi Koyama, Masayuki Takakura, Taichi Furukawa, Shoji Maruo   +3 more
doaj   +1 more source

Hybrid holographic non-destructive test system [PDF]

, 1978
An automatic hybrid holographic non-destructive testing (HNDT) method and system capable of detecting flaws or debonds contained within certain materials are described.
Kurtz, R. L.
core   +1 more source

Anamorphic and Local Characterization of a Holographic Data Storage System with a Liquid-Crystal on Silicon Microdisplay as Data Pager

Applied Sciences, 2018
In this paper, we present a method to characterize a complete optical Holographic Data Storage System (HDSS), where we identify the elements that limit the capacity to register and restore the information introduced by means of a Liquid Cristal on ...
Fco. Javier Martínez-Guardiola, Andrés Márquez, Eva M. Calzado, Sergio Bleda, Sergi Gallego, Inmaculada Pascual, Augusto Beléndez   +6 more
doaj   +1 more source

Holographic enhanced remote sensing system [PDF]

The Holographic Enhanced Remote Sensing System (HERSS) consists of three primary subsystems: (1) an Image Acquisition System (IAS); (2) a Digital Image Processing System (DIPS); and (3) a Holographic Generation System (HGS) which multiply exposes a ...
Gaynor, Edwin S., Huff, Lloyd, Iavecchia, Helene P., Rhodes, William T., Rothenheber, Edward H.   +4 more
core   +1 more source

Photopolymer for Display Holography.

Journal of Photopolymer Science and Technology, 1997
The image system consists of complex monomer of acrylic acid series, highly efficient sensitive to red light initiator, complex increasing sensitivity dye, it belongs to new type of phase holographic recording material of photopolymer. It is characterized by being sensitive to red light, high diffraction efficiency (>90%), high resolving power (>4000 ...
Guang-yong Zhang, He-ling Zhang
openaire   +2 more sources

Изменение поверхностной энергии флексографских фотополимерных форм в процессе их изготовления [PDF]

, 2012
Досліджено поверхневу енергію фотополімерних друкарських пластин, її зміни під час виготовлення друкарських форм і розтікання різних типів фарб по поверхні аналогових фотополімерних друкарських форм.Studied the surface energy of photopolymer printing ...
Hurhal, N. S., Repeta, V. B., Shybanov, V. V., Гургаль, Н. С., Репета, В. Б., Шибанов, В. В.   +5 more
core  

Technological progress and challenges of volumetric additive manufacturing technology

Virtual and Physical Prototyping
Volumetric additive manufacturing (VAM) is a groundbreaking technology that produces an entire object in one step within seconds, breaking away from conventional layer-by-layer 3D printing.
Xue Zhang, Zhiyuan Li, Shuyu Wang, Wenyu Jiang, Shuai Yang, Xin Yuan, Chaofan He   +6 more
doaj   +1 more source

Performance evaluation of ProJet multi-material jetting 3D printer

Virtual and Physical Prototyping, 2017
The purpose of this paper is to quantitatively evaluate the performance of a multi-material jetting 3D printer, ProJet 5500X, especially the capability for micro manufacturing.
Hongyi Yang, Jingying Charlotte Lim, Yuchan Liu, Xiaoying Qi, Yee Ling Yap, Vishwesh Dikshit, Wai Yee Yeong, Jun Wei   +7 more
doaj   +1 more source