By Jason Clark1, Quincy Clark1

1. Purdue University

CAD for MEMS via systems of compact models. This commercial tool is published by Sugarcube Systems, which requires a registration fee to use. The nanoHUB does not receive revenue or assume liability for the use of this tool.

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Version 0.4c - published on 25 May 2016

doi:10.4231/D34Q7QR38 cite this

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    Device: V-shaped AFM cantilever. Plot: Frequency response vs cantilever width. Device: Honeycomb structure. Plot: Mode shape and frequency Device: Nanomechanical tester. Plot: Static deflection vs actuator angle vs acuator temperature.



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  • Sugarcube-cad is a design and analysis tool based on parameterized compact models.
  • Devices are configured by assembling together a system of building-blocks.
  • The tool is presently at a state where it can be easily used online for education or academic research.  
  • Sugarcube can also be used to help develop one's creativity, intuition, and engineering design skills.  
  • The tool is especially useful for those that cannot yet afford the more professional CAD tools.

NOTICE - This is a commercial tool published by Sugarcube Systems, which requires a registration fee to use.  nanoHUB does not receive any revenue from Sugarcube Systems and nanoHUB does not assume any liability for the use of this tool.


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  • Sugarcube originally got its start from the Sugar project at UC Berkeley under the direction of K S J Pister.  The name Sugar was proposed by B Warneke to pay homage to SPICE (Simulation Program with Integrated Circuit Emphasis) since a goal of Sugar was to be a "SPICE for MEMS". The first students to create Sugar were J V Clark and N Zhou.  Other contributors soon joined such as D Bindel, D Garmire, J Demmel, A Agogino, S Govindjee, Z Bai, et al.  Once J V Clark moved to Purdue University, the next wave of Sugar contributors included P Marepalli, X Jin, R Bansal, F Li, Y Zeng, A Chigullapalli, S Goshal, et al. which led to projects such as PSugar (algebraic constraints), GyroCube (gyroscopic analyses), SugarX (coupled experiment + simulation), SugarAid (cyberlearning tool), iSugar (integration of Sugar + Simulink + COMSOL + SPICE), MIMs (MEMS invention machine using genetic programming), etc.  Additional collaborators include T Mukherjee, G Fedder, and N Aluru.  Sugar-related projects had been supported by DARPA, the nanoHUB, and the National Science Foundation (NSF).
  • This present tool is a more solid and user-oriented version of Sugar called Sugarcube.  From a user's point of view, Sugarcube is user-friendly, stable, and easily accessible. With the MEMS community's support, we'll be adding more capabilities, implementing user requests and contributions, and continuing to improve the user-interface experience. 

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Cite this work

Researchers should cite this work as follows:

  • Jason Clark, Quincy Clark (2016), "sugarcube-cad," (DOI: 10.4231/D34Q7QR38).

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