Browsing International Conference on MicroManufacturing (ICOMM) by Issue Date

Now showing items 1-20 of 50

    • Comparing the adhesion of aluminum to nanocrystalline diamond and tungsten carbide: Consequences for micromanufacturing 

      Adiga, Vivekananda P.; Sanon, Saahil; Torres, Christopher D.; Heaney, Patrick J.; Sumant, Anirudha V.; Pfefferkorn, Frank E.; Carpick, Robert W. (5th International Conference on MicroManufacturing (ICOMM 2010), 2010-04-05)
      Tungsten carbide (WC) micro end mills exhibit a high wear rate, and when cutting soft materials such as aluminum, the chips tend to adhere to the cutting tool increasing the cutting force and leading to clogging and ...

    • Micro End Milling Polystyrene for Microfluidic Applications 

      Christ, Kevin T.; Smith, Bryce B.; Pfefferkorn, Frank E.; Turner, Kevin T. (5th International Conference on MicroManufacturing (ICOMM 2010), 2010-04-05)
      Microfluidic devices developed in research labs are often fabricated from poly(dimethylsiloxane) (PDMS) because techniques to manufacture devices via lithographic and molding techniques are well-established. However, ...

    • Experimental Study of the Wear of Diamond Coated Micro End Mills 

      Torres, Christopher D.; Boyat, Alexandra M.; Adiga, Vivekananda P.; Sumant, Anirudha V.; Carpick, Robert W.; Pfefferkorn, Frank E. (5th International Conference on MicroManufacturing (ICOMM 2010)5th International Conference on MicroManufacturing (ICOMM 2010), 2010-04-05)
      The demand for the miniaturization of complex components has led to the growth of manufacturing methods capable of producing truly three dimensional parts using traditional en-gineering materials with favorable mechanical ...

    • Laser Polishing of Micro-Machined Microfluidic Molds 

      Smith, Bryce B.; Wolf, Dennis M.; Turner, Kevin T.; Duffie, Neil A.; Li, Xiaochun; Pfefferkorn, Frank E. (5th International Conference on MicroManufacturing (ICOMM 2010), 2010-04-05)
      The objective of this paper is to explore the effective-ness of using a pulsed 1064 nm wavelength Nd:YAG laser to polish micro-machined metal molds. Polishing is desired to reduce the surface roughness of Polydimethylsiloxane ...

    • A Thin-Film Heat Flux Sensor Fabricated on Copper for Heat Transfer Measurements in Parallel Channel Heat Sinks 

      Jasperson, Benjamin A.; Pfefferkorn, Frank E.; Qu, Weilin; Turner, Kevin T. (5th International Conference on MicroManufacturing (ICOMM 2010), 2010-05-05)
      A combination of lithography-based microfabrication and micro end milling is used to manufacture thin-film resistance temperature detector (RTD) heat flux sensors on bulk copper substrates. The fabrication process uses ...

    • Pulsed Laser Micro Polishing: Surface Prediction Model 

      Vadali, Madhu; Ma, Chao; Duffie, Neil A.; Li, Xiaochun; Pfefferkorn, Frank E. (6th Annual Conference on MicroManufacturing (ICOMM 2011), 2011-03-07)
      This project is focused on developing physics-based models to predict the outcome of pulsed laser micro polishing (PL�P). Perry et al. have modeled PL�P as oscillations of capillary waves with damping resulting from the ...

    • Seedless, Etchless Deposition of Nanocrystalline Diamond Coatings for Performance Improvements of Micro End Mills using Carbon Ion Implantation 

      Torres, Christopher D.; Heaney, Patrick J.; Sridharan, Kumar; Cao, Guoping; Sumant, Anirudha V.; Carpick, Robert W.; Pfefferkorn, Frank E. (6th International Conference on MicroManufacturing (ICOMM 2011), 2011-03-07)
      This study compares the cutting performance of (1) as-received uncoated, (2) acid etched plus seeded plus nanocrystalline diamond (NCD) coated, (3) carbon ion implanted (CII) plus NCD coated, and (4) only CII micro end mills.

    • Effects of Laser Pulse Duration on Pulse Laser Micro Polishing 

      Vadali, Madhu; Ma, Chao; Duffie, Neil A.; Li, Xiaochun; Pfefferkorn, Frank E. (7th International Conference on MicroManufacturing (ICOMM 2012), 2012-03-12)
      Pulsed laser micro polishing (PL?P) has been shown to be an effective method of polishing micro metallic parts whose surface roughness can approach the feature size. This paper will describe the influence of laser pulse ...

    • Numerical Modeling of Excimer Laser Curved Surface Ablation 

      Garg, Vivek; Marla, Deepak; Saxena, Ishan; Joshi, Suhas S. (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Laser ablation has been widely used in the fabrication of miniature parts. The technique is also used in the fabrication of micro lens or micro-curved surfaces which find potential applications in various optical, bio- ...

    • An analytical model for calculating the temperature distribution and determining the laser forming mechanism 

      Lok, Morgan; Aoyama, Hideki (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Analyzing Laser Forming is computationally expensive, both using analytical and numerical methods. This makes it impractical to quickly determine what bending mechanism will occur for certain scanning parameters without ...

    • Investigation on a Microextrusion Process of Parallel Protrusions from Metal Strip 

      Stellin, Tommaso; Merklein, Marion; Engel, Ulf (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The continuous purchase of higher quality standards in the production with parallel reduction of the costs leads to the need of a robust process design avoiding as much as possible the occurrence of defects in the production. ...

    • The Application of Commercial Injection Molding Software to Micro-Component Design and Process Development 

      Khalilian, Sina A.; Park, Simon S.; Freiheit, Theodor I. (8th International Conference on MicroManufacturing (ICOMM 2013) Citation ICOMM 2013 No. 59, 2013-03-25)
      The use of software developed for the simulation of injection molding is evaluated through a case study of a micro-injection molded micro-pump component. The purpose of this evaluation is to determine if commercially ...

    • Micro Injection Molded Microtopographic Polymer Plates used to Mechanically Direct Stem Cell Activity 

      Rodgers, John W.; Casey, Meghan E.; Jedlicka, Sabrina S.; Coulter, John P. (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      A novel micro injection molding assembly which allows for firm yet compliant housing of silicon tooling was designed and manufactured. Microchannels were etched into a silicon wafer through the use of ultraviolet ...

    • Micro-EDM Pulse Energy Distribution Ratio Determination 

      Shao, Bai; Rajurkar, Kamlakar (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      In this paper, a pulse energy distribution ratio determination method for micro-EDM is presented. The pulse energy distribution ratio is a crucial parameter in the modeling of the EDM process. Instead of measuring the ...

    • Irregular, Adaptive Scan Trajectories for Pulsed Laser Micro Polishing 

      Vadali, Madhu; Ma, Chao; Li, Xiaochun; Duffie, Neil A.; Pfefferkorn, Frank E. (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      The objective of this work is to generate irregular, smooth, adaptive laser scan trajectories for pulsed laser micro polishing (PL?P). Traditionally PL?P, like other surface finishing processes has used zigzag scan ...

    • Effect of the tool locus on the cutting thickness in the ball endmill process 

      Takenori, Ono (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)

    • Towards CNC automation in AFM probe-based nano machining 

      Brousseau, Emmanuel; Arnal, Benoit; Thiery, Stephane; Nyiri, Eric; Gibaru, Olivier; Mayor, J. Rhett (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This paper presents a feasibility study, which aims to demonstrate the applicability of the CNC automation philosophy for the process of AFM probe-based nano machining conducted on commercial AFM instruments. In particular, ...

    • Micro milling cutting forces on machining aluminum alloy 

      Araujo, Anna Carla; Mougo, Adriane Lopes; Campos, Fabio de Oliveira (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Miniaturization has increased over the last decade and, as a consequence, manufacturing of micro parts for bioengineering and aerospace applications are one of the areas there is a need of research and development. Micro ...

    • Field Induced Jet Micro-EDM 

      Zhao, Wansheng; Kang, Xiaoming; Xu, Kaixian (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      Electrical discharge machining (EDM) is of the potential of micro/nano meter scale machining capability. However, electrode wear in micro-EDM significantly deteriorates the machining accuracy, thus, it needs to be ...

    • Novel Machining Technique for Surface Patterning by Diamond Turning 

      Neo, Wee Keong; Huang, Rui; Kumar, A. Senthil; Rahman, Mustafizur (8th International Conference on MicroManufacturing (ICOMM 2013), 2013-03-25)
      This paper presents a novel method of machining image surface by diamond turning with fast tool servo (FTS). In the proposed methodology, three-dimensional pixel data [X, Y, Z] are extracted directly from a digital image ...