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Journal Articles

Coloration of Surfaces With Periodic Microstructures Replicated by Nonisothermal Precision Molding

Yong Zhong, Ruxu Du, Lin Zhang, Allen Y. Yi
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. December 2020, 8(4): 041003.
Paper No: JMNM-20-1032
https://doi.org/10.1115/1.4049419
Published Online: January 18, 2021
View Article titled, Coloration of Surfaces With Periodic Microstructures Replicated by Nonisothermal Precision Molding
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Topics: Diffraction gratings, Glass, Manufacturing, Molding, Diffraction
Proceedings Papers

Structrual Coloration of Surfaces With Microstructures Replicated by Non-Isothermal Precision Glass Molding

Yong Zhong, Ruxu Du, Lin Zhang, Allen Y. Yi
Proc. ASME. MSEC2020, Volume 2: Manufacturing Processes; Manufacturing Systems; Nano/Micro/Meso Manufacturing; Quality and Reliability, V002T08A017, September 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2020-8467
https://doi.org/10.1115/MSEC2020-8467
View Paper titled, Structrual Coloration of Surfaces With Microstructures Replicated by Non-Isothermal Precision Glass Molding
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Topics: Glass, Molding, Periodic structures
Journal Articles

Fabrication of Plano-Concave Plastic Lens by Novel Injection Molding Using Carbide-Bonded Graphene-Coated Silica Molds

Xiaohua Liu, Lin Zhang, Wenchen Zhou, Tianfeng Zhou, Jianfeng Yu, L. James Lee, Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. August 2019, 141(8): 081011.
Paper No: MANU-18-1677
https://doi.org/10.1115/1.4043980
Published Online: June 21, 2019
View Article titled, Fabrication of Plano-Concave Plastic Lens by Novel Injection Molding Using Carbide-Bonded Graphene-Coated Silica Molds
Open the PDF for Fabrication of Plano-Concave Plastic Lens by Novel Injection Molding Using Carbide-Bonded Graphene-Coated Silica Molds in another window
Topics: Aluminum, Graphene, Injection molding, Lenses (Optics), Manufacturing, Refractive index, Stress, Cooling, Residual stresses
Journal Articles

Simulation and Measurement of Refractive Index Variation in Localized Rapid Heating Molding for Polymer Optics

Xiaohua Liu, Tianfeng Zhou, Lin Zhang, Wenchen Zhou, Jianfeng Yu, L. James Lee, Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research-Article
J. Manuf. Sci. Eng. January 2018, 140(1): 011004.
Paper No: MANU-17-1248
https://doi.org/10.1115/1.4037707
Published Online: November 3, 2017
View Article titled, Simulation and Measurement of Refractive Index Variation in Localized Rapid Heating Molding for Polymer Optics
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Topics: Coatings, Graphene, Heating, Molding, Polymers, Refractive index, Simulation, Temperature, Lenses (Optics), Deformation
Journal Articles

Fabrication of Three-Dimensional Functional Microstructures on Curved Substrates Using Three-Dimensional Microlens Projection

Hao Zhang, Lei Li, Sebastian Scheiding, Andreas Gebhardt, Stefan Risse, Ramona Eberhardt, Andreas Tünnermann, Donggang Yao, Allen Y. Yi
Journal: Journal of Micro and Nano-Manufacturing
Publisher: ASME
Article Type: Research-Article
J. Micro Nano-Manuf. September 2013, 1(3): 031006.
Paper No: JMNM-12-1080
https://doi.org/10.1115/1.4025060
Published Online: August 13, 2013
View Article titled, Fabrication of Three-Dimensional Functional Microstructures on Curved Substrates Using Three-Dimensional Microlens Projection
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Topics: Manufacturing, Micromachining, Photoresists, Resolution (Optics), Spin (Aerodynamics), Functionally graded materials, Calibration
Proceedings Papers

A Microlens Array on Curved Substrates by 3D Micro Projection and Reflow Process

Hao Zhang, Lei Li, David L. McCray, Donggang Yao, Allen Y. Yi
Proc. ASME. MSEC2012, ASME 2012 International Manufacturing Science and Engineering Conference, 995-999, June 4–8, 2012
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2012-7409
https://doi.org/10.1115/MSEC2012-7409
View Paper titled, A Microlens Array on Curved Substrates by 3D Micro Projection and Reflow Process
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Topics: Aluminum, Cylinders, Film thickness, Heating, Interferometers, Manufacturing, Particle spin, Photoresists, Rotation, Shapes
Journal Articles

Optical Effects of Surface Finish by Ultraprecision Single Point Diamond Machining

Lei Li, Stuart A. Collins, Jr., Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2010, 132(2): 021002.
https://doi.org/10.1115/1.4001037
Published Online: March 26, 2010
View Article titled, Optical Effects of Surface Finish by Ultraprecision Single Point Diamond Machining
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Topics: Diamond turning, Diamonds, Diffraction, Machining, Surface roughness, Finishes, Surface quality, Electromagnetic scattering, Radiation scattering, Scattering (Physics)
Proceedings Papers

Thermal Reflow Process for Glass Microlens Manufacturing

Yang Chen, Allen Y. Yi, Donggan Yao, Fritz Klocke, Guido Pongs
Proc. ASME. MSEC2008, ASME 2008 International Manufacturing Science and Engineering Conference, Volume 2, 417-421, October 7–10, 2008
Publisher: American Society of Mechanical Engineers
Paper No: MSEC_ICM&P2008-72459
https://doi.org/10.1115/MSEC_ICMP2008-72459
View Paper titled, Thermal Reflow Process for Glass Microlens Manufacturing
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Topics: Glass, Manufacturing, Compression molding, Carbon, Computer simulation, Cylinders, Lenses (Optics), Polymers, Shapes, Temperature
Proceedings Papers

Manufacturing of Glass Diffractive Optical Elements by Use of Precision Compression Molding Process

Yang Chen, Allen Y. Yi, Fritz Klocke, Guido Pongs
Proc. ASME. MSEC2007, ASME 2007 International Manufacturing Science and Engineering Conference, 191-195, October 15–18, 2007
Publisher: American Society of Mechanical Engineers
Paper No: MSEC2007-31210
https://doi.org/10.1115/MSEC2007-31210
View Paper titled, Manufacturing of Glass Diffractive Optical Elements by Use of Precision Compression Molding Process
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Topics: Compression molding, Glass, Manufacturing, Optical elements, Molding, Carbon, Optical glass, Shapes, Atomic force microscopy, Compression
Journal Articles

Numerical Simulation Assisted Curve Compensation in Compression Molding of High Precision Aspherical Glass Lenses

Fei Wang, Yang Chen, Fritz Klocke, Guido Pongs, Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2009, 131(1): 011014.
https://doi.org/10.1115/1.3063652
Published Online: January 23, 2009
View Article titled, Numerical Simulation Assisted Curve Compensation in Compression Molding of High Precision Aspherical Glass Lenses
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Topics: Compression molding, Computer simulation, Glass, Molding, Lenses (Optics), Shapes
Journal Articles

Numerical Simulation and Experimental Study of Residual Stresses in Compression Molding of Precision Glass Optical Components

Yang Chen, Allen Y. Yi, Lijuan Su, Fritz Klocke, Guido Pongs
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2008, 130(5): 051012.
https://doi.org/10.1115/1.2950062
Published Online: August 29, 2008
View Article titled, Numerical Simulation and Experimental Study of Residual Stresses in Compression Molding of Precision Glass Optical Components
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Topics: Computer simulation, Cooling, Glass, Stress, Molding, Residual stresses, Compression molding, Annealing, Double refraction
Proceedings Papers

Two-Station Embossing Process for Rapid Fabrication of Polymer Microstructures

Donggang Yao, Allen Y. Yi, Lei Li, Pratapkumar Nagarajan
Proc. ASME. IMECE2005, Microelectromechanical Systems, 131-132, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-80482
https://doi.org/10.1115/IMECE2005-80482
View Paper titled, Two-Station Embossing Process for Rapid Fabrication of Polymer Microstructures
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Topics: Embossing, Manufacturing, Polymers, Cycles, Glass, Heating, Mass production, Mechanical properties, Microfabrication, Molding
Journal Articles

A Strategy for Rapid Thermal Cycling of Molds in Thermoplastic Processing

Donggang Yao, Pratapkumar Nagarajan, Lei Li, Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2006, 128(4): 837–843.
https://doi.org/10.1115/1.2335855
Published Online: March 23, 2006
View Article titled, A Strategy for Rapid Thermal Cycling of Molds in Thermoplastic Processing
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Topics: Aluminum, Embossing, Heating, Shells, Heating and cooling, Temperature
Journal Articles

Finite Element Modeling of Structural Relaxation During Annealing of a Precision-Molded Glass Lens

Anurag Jain, Allen Y. Yi
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2006, 128(3): 683–690.
https://doi.org/10.1115/1.2163362
Published Online: November 17, 2005
View Article titled, Finite Element Modeling of Structural Relaxation During Annealing of a Precision-Molded Glass Lens
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Topics: Annealing, Glass, Lenses (Optics), Molding, Relaxation (Physics), Stress, Temperature, Thermal expansion, Finite element methods