Fundamentals and Key Technologies of Inkjet Ink Droplets, Interface Control, and High-Precision Thin Film Formation
S10408
★Wet process primarily based on tiny liquid droplets! Wetting control! Inkjet thin film formation technology!
Lecturers Part 1: Professor Yasufumi Otsubo, Graduate School of Engineering, Chiba University, Department of Architecture and Urban Science Part 2: Associate Professor Akira Kawai, Faculty of Engineering, Nagaoka University of Technology, Electrical Engineering, Doctor of Engineering Part 3: Michihiro Watanabe, President, SAT Corporation, Doctor of Engineering Target Audience: Researchers with challenges related to inkjet ink and micro-droplets Venue: Kawasaki City Educational and Cultural Center, Room 3 [Kanagawa, Kawasaki] 10-15 minutes walk from JR and Keikyu Line Kawasaki Station Date and Time: April 22, 2011 (Friday) 10:30 AM - 4:15 PM Capacity: 30 people *Registration will close once full. Please apply early.
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basic information
**Course Objectives and Aims** Inkjet ink is modeled as a low-concentration dispersion system in which fine particles, serving as pigments, are dispersed in a low-concentration polymer solution. Therefore, we will first outline the rheology of low-concentration dispersion systems and dilute polymer solutions based on their mechanisms. In inkjet printing, droplets are ejected from bulk ink, during which a new liquid surface is formed. Additionally, when the ink wets the solid surface of the substrate, such as paper, it undergoes penetration and drying, making the interfacial chemical properties of the ink an important factor governing this process. We will discuss the rheology and interfacial chemistry of inkjet inks from various perspectives, including measurement methods.
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54600
Price range
P2
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P2
Applications/Examples of results
Lecture 1: Rheology and Interfacial Chemistry of Inkjet Inks 1. Rheology of Inkjet Inks 2. Interfacial Chemistry of Inkjet Inks Lecture 2: Fundamentals of Inkjet Inks and Micro Droplet Control: Wettability and Droplet Control 1. Mastering the Basics of Wettability Control 2. Utilizing Wettability Phenomena 3. Applications in Inkjet Technology 3-1. Surface Energy of Inks 3-2. Wettability Evaluation Using Expansion Coefficients 3-3. Wettability Characteristics on Print Paper Lecture 3: Practical High-Precision Thin Film Formation by Inkjet Method and Improvement of Reliability 1. Fluid Thin Film Formation Technology 2. Principles and Practices of Inkjet Discharge 2-1. Structure and Operating Principles of Inkjet Heads 2-2. Observation Devices for Droplet Discharge States 2-3. Measurement and Evaluation of Discharged Micro Droplet Characteristics 3. Material Adjustments for Inkjet Compatibility 4. Behavior of Micro Droplets After Impact on Substrates 5. Ideal Characteristics of Inkjet Devices for High-Precision Thin Film Formation 6. A Proposal for High-Quality Thin Film Formation 7. Discharge Maintenance System for Achieving Stable Coating 8. Application Examples Real-world cases such as LCDs, touch panels, organic EL, etc. (Issues and Solutions) 9. Summary
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