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OBJECTIVES The aim of this work is to use a 3D solid model to predict the mechanical loads of human bone fracture risk associated with bone disease conditions according to biomechanical engineering parameters. METHODS We used special image processing tools for image segmentation and three-dimensional (3D) reconstruction to generate meshes, which are necessary for the production of a solid mod...

Replacement ink is available in aftermarkets defined by the products compatible with particular inkjet printers. Aftermarket theory establishes that consumers can be harmed by high prices in these aftermarkets, even if there is some degree of competition in the printer market. Survey evidence shows that consumers have little knowledge of replacement ink prices when they purchase printers. As a ...

A solid-object printer was used to produce masters for the fabrication of microfluidic devices in poly(dimethylsiloxane) (PDMS). The printer provides an alternative to photolithography for applications where features of > 250 microm are needed. Solid-object printing is capable of delivering objects that have dimensions as large as 250 x 190 x 200 mm (x, y, z) with feature sizes that can range f...

This paper examines one of the core technologies in colour printing solutions colour image information processing and discusses our related development activities in the fields of colour science research, colour processing research and development, and colour printer product technology. The first topic, colour science research 1) 2) 3) 4) 5), forms a background for both colour processing resear...

Yanling Ju Ph.D., Purdue University, May 2015. Black-Box Printer Models and their Applications. Major Professor: Jan P. Allebach. In the electrophotographic printing process, the deposition of toner within the area of a given printer addressable pixel is strongly influenced by the values of its neighboring pixels. The interaction between neighboring pixels, which is commonly referred to as dot-...

Youn, Jae Sung M.S.E.C.E., Purdue University, May 2014. Effect of Image Capture Devices on the Accuracy of Black-Box Printer Models. Major Professor: Jan P. Allebach. In the process of electrophotograpic (EP) printing, the deposition of toner to the printer-addressable pixel is greatly influenced by the neighboring pixels of the digital halftone. To account for these effects, printer models can...

When printing a plate (or dish) by an FDM 3D printer, the process normally requires support material, which causes several problems. This paper proposes a method for forming thin plates without using wasteful support material. This method requires several extraordinary parameter values when slicing plates. The experiments show that the plates can, for the most part, be successfully formed using...

Biopatterning has been increasingly used for well-defined cellular microenvironment, patterned surface topology, and guided biological cues; however, it meets challenges on biocompatibility, thermal and chemical sensitivity, as well as limited availability of reagents. In this paper, we aim at combining the desired features from non-contact inkjet printing and dot-matrix impact printing to esta...