Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 44 for “"Microcontact Printing"”.
-
Precision control of continuous microcontact printing
… experimental equipment enabling the scale-up of microcontact printing for industrial use. An examination of existing experimental microcontact printing hardware and identification of its deficiencies are given, and the design and implementation of improvements are detailed. In particular, these …
-
Automation of soft lithographic microcontact printing
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.
-
Analysis of the capabilities of continuous high-speed microcontact printing
Microcontact printing uses elastomeric stamps to transfer ink onto a substrate by the process of self-assembly. It has the capability to print features as small as 200nm over large areas. Because of this it has many potential industrial applications in areas such as the manufacture of flexible …
-
Manufacturing conductive patterns on polymeric substrates : development of a microcontact printing process
… of various micromanufacturing processes, microcontact printing (μCP) was chosen as the most promising technique for further study. By using μCP to directly pattern conductive inks, this work has demonstrated previously unachievable printing: feature sizes down to 5μm, using liquid inks on …
-
Deposition of colloidal quantum dots by microcontact printing for LED display technology
… diode (QD-LED). A monolayer of quantum dots is microcontact printed as small as 20 ,Lm lines as well as millimeter scale planes, and the resulting devices show quantum efficiencies as high as 1.2% and color saturation superior to previous QD-LEDs'. Through a modification of the …
-
Fabrication and qualification of arbitrarily patterned seamless tooling for continuous roll-to-roll microcontact printing
Microcontact printing is form of soft lithography utilizing an elastomeric stamp with a molded relief pattern to print features on substrates through ink transfer at micron and nanometer scales. This is a low-cost technique when compared with other printing and patterning processes. Traditional …
-
Design and development of a roll-to-roll machine for continuous high-speed microcontact printing
Microcontact printing ([mu]CP) is an emerging technique for patterning micro-scale features for electronics, optics, surface modifications, and a variety of other applications. Its many advantages over traditional techniques like photolithography include lower cost, ability to pattern on non-planar …
-
Precision control of cylindrical stamp contact in a continuous roll-to-roll microcontact printing machine
Microcontact printing is a form of soft lithography that uses a molded elastomeric stamp to print patterns with micron and sub-micron scale features. This is an effective low-cost technique for replicating master patterns onto substrates. However, the traditional embodiment of using a planar stamp …
-
Inkless Soft Lithography: Utilizing Immobilized Enzymes and Small Molecules to Pattern Self-Assembled Monolayers Via Catalytic Microcontact Printing
… sub-micron dimensions. Among these techniques, microcontact printing (uCP) has shown special promise. In uCP, an elastomeric stamp is first inked with surface-reactive molecules and placed in contact with an ink-reactive surface, resulting in pattern transfer in the form of self-assembled …
-
Design and development of high precision elastomeric-stamp wrapping system for roll-to-roll multi-layer microcontact printing
Microcontact printing is an emerging printing technique that could potentially find application in the electronics industry. High-speed roll-to-roll equipment was built at Nano Terra, Inc in 2008, for microcontact printing. However, the equipment was a proof-of-concept, capable of single-layer …
-
Integrated hardware, software, and sensor design for control of a scalable, continuous roll-to-roll microcontact printing process
… and improved water purification systems. Microcontact printing ([mu]CP), a particular form of soft lithography, scales the rubber stamp concept down to the micron range. Past work has demonstrated sub-nanometer resolutions attainable with [mu]CP. Currently, microcontact printing is usually …
-
Design and development of high precision five-axis positioning system for roll-to-roll multi-layer microcontact printing
Microcontact printing is based on the use of elastomeric stamps to transfer ink onto a substrate taking advantage of the self-assembly process. Features as small as 300nm can be easily printed over an extended area. The accuracy and the speed of the process make it suitable for many industrial …
-
Development of an inking system for continuous roll-to-roll microcontact printing of hexadecanethiol (HDT) on gold-coated PET
Microcontact printing is a form of soft lithography that employs a molded polymer stamp to print substrates with pattern features as small as the sub-micron range. This is traditionally a plate-to-plate printing process, employing both flat stamps and flat, rigid substrates. However, to utilize …
-
A direct-write thick-film lithography process for multi-parameter control of tooling in continuous roll-to-roll microcontact printing
Roll-to-roll (R2R) microcontact printing ([mu]CP) aims to transform micron-precision soft lithography in a continuous, large-scale, high-throughput process for large-area surface patterning, flexible electronics and engineered meta-surfaces. Efforts to implement this hybrid process have been …
-
Automation of soft lithography
… of soft lithography, flexible substrate using microcontact printing in order to forming electronic circuit patterns for flexible displays. At first, the general principles and characteristics of soft lithography are reviewed in order to provide the snapshot of soft lithography technologies, and …
-
Force microscopy of self-assembled amphiphilic films
… and Whitesides in 1993. This technique, called microcontact printing, uses an elastomeric replica of a master to pattern a surface, typically with self-assembled, covalently bonded molecules. Microcontact printing of non-covalently bonding molecules has not been as extensively studied, with the …
-
Engineering Substrates for the Study of Cell Mechanical Interactions
… of fabrication techniques like wet etching and microcontact printing to answer fundamental biological problems. In order to isolate the effects of curvature from other factors, we have developed a technique to create features with nominally identical dimensions but varying radius of curvature. …
-
Development of Patterned Self-Assembled Monolayers Toward the Study of Axonal Differentiation
… monolayer: SAM) chemistry in conjunction with microcontact printing to create stable patterned substrates for cell culture. Photolithography is employed in the fabrication of patterned masters, which are used to create elastomeric stamps for microcontact printing.</p><p>Initially, …
-
Microfabrication of conductive polymer nanocomposite for sensor applications
… of nanocomposite were realized through novel microcontact printing and laser ablation assisted micropatterning processes. Prototype devices including large-strain strain sensor and highly-sensitive pressure sensor were demonstrated showing distinct advantages over existing technologies. The …
-
Manipulating soft materials to direct cell growth in multiple dimensions
… lithography techniques, which typically include microcontact printing and decal transfer, rely on elastomeric molds, stamps or flexible photomasks to create patterns on or transfer patterns to, an underlying surface; these molds or stamps themselves have also been used for study. In microfluidic …
Page 1 of 3