Huachao Mao
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View article: 3D Printing of Optical Lenses Assisted by Precision Spin Coating
3D Printing of Optical Lenses Assisted by Precision Spin Coating Open
Though 3D printing shows potential in fabricating complex optical components rapidly, its poor surface quality and dimensional accuracy render it unqualified for industrial optics applications. The layer steps in the building direction and…
View article: Mold‐Free Manufacturing of Highly Sensitive and Fast‐Response Pressure Sensors Through High‐Resolution 3D Printing and Conformal Oxidative Chemical Vapor Deposition Polymers
Mold‐Free Manufacturing of Highly Sensitive and Fast‐Response Pressure Sensors Through High‐Resolution 3D Printing and Conformal Oxidative Chemical Vapor Deposition Polymers Open
A new manufacturing paradigm is showcased to exclude conventional mold‐dependent manufacturing of pressure sensors, which typically requires a series of complex and expensive patterning processes. This mold‐free manufacturing leverages hig…
View article: Characterizing the Effect of Pixelations on Surface Profile and Refractive Index of 3D Printed Diffractive Optical Elements
Characterizing the Effect of Pixelations on Surface Profile and Refractive Index of 3D Printed Diffractive Optical Elements Open
The diffraction grating, a common diffractive optical element (DOE) used in many low-cost optical systems, is often fabricated in single-layer devices with stamping and rolling processes. Recently, there has been interest in micro-scale, c…
View article: Hopping Light Vat Photopolymerization for Multiscale Fabrication
Hopping Light Vat Photopolymerization for Multiscale Fabrication Open
3D objects with features spanning from microscale to macroscale have various applications. However, the fabrication of such objects presents challenges to additive manufacturing (AM) due to the tradeoffs among manufacturable feature resolu…
View article: 3D Printing Diffraction Gratings and Fresnel Axicons
3D Printing Diffraction Gratings and Fresnel Axicons Open
Diffractive optical elements (DOEs) are important flat optics for light phase modulation and are widely used in sensors, spectrometers, and optical designs. DOEs are fabricated mainly by nanofabrication, such as lithography, in clean rooms…
View article: In-situ Transfer Vat Photopolymerization for Transparent Microfluidic Device Fabrication
In-situ Transfer Vat Photopolymerization for Transparent Microfluidic Device Fabrication Open
Data is formatted as per Nature Communications requirements, i.e., a single Microsoft Excel file with data for each figure in individual sheets.
View article: Hybrid-Light-Source Stereolithography for Fabricating Macro-Objects With Micro-Textures
Hybrid-Light-Source Stereolithography for Fabricating Macro-Objects With Micro-Textures Open
Microscale surface structures are commonly found on macroscale bodies of natural creatures for their unique functions. However, it is difficult to fabricate such multi-scale geometry with conventional stereolithography processes that rely …
View article: Curved Layer Slicing based on Isothermal Surface
Curved Layer Slicing based on Isothermal Surface Open
Conventional slicing algorithms for additive manufacturing (AM) processes slice the designed model into a set of planar layers, due to the simplicity, robustness, and generality of most geometries. However, such planar-layer-based slicing …
View article: PPE Compliance Detection using Artificial Intelligence in Learning Factories
PPE Compliance Detection using Artificial Intelligence in Learning Factories Open
This project demonstrates the application of Artificial Intelligence (AI) and machine vision for the identification of Personal Protective Equipment (PPE), particularly safety glasses in zones of the Learning Factory, where safety risks ex…
View article: Bioinspired Surfaces: Bioinspired Functional Surfaces Enabled by Multiscale Stereolithography (Adv. Mater. Technol. 5/2019)
Bioinspired Surfaces: Bioinspired Functional Surfaces Enabled by Multiscale Stereolithography (Adv. Mater. Technol. 5/2019) Open
Two light beams with different colors indicate there are two lasers of different wavelengths in the 3D printer to improve printing efficiency, as presented in article number 1800638 by Wei Wu and co-workers. The denticle array being printe…
View article: Multiscale Stereolithography Using Shaped Beams
Multiscale Stereolithography Using Shaped Beams Open
Current stereolithography (SL) can fabricate three-dimensional (3D) objects in a single-scale level, e.g., printing macroscale or microscale objects. However, it is difficult for the SL printers to fabricate a 3D macroscale object with mic…