Search Results - huachao+mao

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2015-259 - Mask Video Projection Stereolithography for Faster 3D Printing & Prototyping

Market Opportunity As the multi-billion dollar 3D printing market grows at an alarming pace (average 28.5% compound annual growth rate over multiple sectors), there is a need for technologies that enable faster, more accurate and economical printing. Current stereolithography (SLA) processes have sped up this process by printing layers; however, the...

Published: 1/3/2026 Inventor(s): Yong Chen, Huachao Mao, Xiangjia Li
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2017-059 - 3D Printing with variable voxel sizes and shapes based on aperture plate with multiple apertures

Market Opportunity Since stereolithography (SL) was invented in 1980s, various research has been done to improve its fabrication performance including fabrication speed, part size, geometry resolution, and scalability, etc. However, three main tradeoffs among the fabrication performances need to be made in the SL process that limit its broader applications,...

Published: 1/3/2026 Inventor(s): Yong Chen, Huachao Mao, Wei Wu, Yuanrui Li
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2019-209 - Hopping Light Stereolithography

Market Opportunity Additive manufacturing continues to find applications in rapid prototyping and manufacturing. One popular technique, stereolithography, uses light energy to trigger a polymerization reaction that solidifies select portions of a photo-curable resin. Advances have been made in speed, resolution, and size. To fabricate large parts,...

Published: 2/3/2026 Inventor(s): Yong Chen, Huachao Mao
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2022-007 - In Situ Transfer Vat Photopolymerization for Transparent Microfluidic Device Fabrication

Market Opportunity Vat photopolymerization offers benefits over soft lithography for microfluidic device production, but the technique struggles with controlled micrometer- sized channels due to transparent resin's deep light penetration. This results in over-curing and channel blockages. There is a potential market opportunity for the development...

2017-065 - Low-Cost, Multi-Material 3D Printing

Medical devices Micro-electronics Rapid prototyping Abstract USC researchers have developed a low-cost, multi-material 3D printer that achieves high resolution, versatile materials, and high printing speeds at a projected cost of less than $6,000 per machine. This allows organizations of all sizes to benefit. The technology hopes to democratize...

Published: 12/3/2025 Inventor(s): Yong Chen, Huachao Mao
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2016-136 - 3D Printing with Variable Voxel Sizes

Additive manufacturing Stereolithography 3D printing of large objects with small features Abstract USC researchers have developed a 3D printing technology that significantly improves on current techniques in terms of speed and resolution. This technology allows to dynamically vary the beam spot size to optimize the manufacture of parts...

Published: 12/3/2025 Inventor(s): Wei Wu, Yong Chen, Huachao Mao, Yuanrui Li
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2015-232 - Linear-Immersed Sweeping Accumulation for 3D Printing

Additive manufacturing Manufacturing: plastics, telecom, electronics, avionics, etc. Abstract USC researchers have developed a novel additive manufacturing process called linear immersed sweeping accumulation (LISA). LISA utilizes a moving linear accumulation tool immersed in liquid resin to fabricate 3D objects. It offers a balance between...

Published: 12/3/2025 Inventor(s): Yong Chen, Huachao Mao
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