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Biomat (LV, 20 Pa) Uncoated coccolith (LV, 20 Pa) JSM-7001F-LV - Applications
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Tin oxide on tin Carbon nanotube JSM-7001F-LV - Applications
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EBSD grain orientation map of Mo (Ti,Zr) alloy Fe L WDS map of polished thin section of ore JSM-7001F-LV - Applications
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MultiBeam JIB-4500 FIB Ion source Ga liquid metal ion Acc. Voltage 1 to 30kV (in steps) Magnification 30x (wide view) 100x to 300,000x Max. beam current 30 nA (at 30kV) SEM Beam source LaB 6 Acc. Voltage 0.3 to 30 kV (in steps) Magnification 5x to 300,000x Max. beam current 1000 nA (at 30 kV) Goniometer stage X: 76 mm; Y: 76 mm; Z: 5 to 48mm T: -10 to 90º; R: 360º endless Vacuum pump SIP (x2), TMP/RP (x2)
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Features and Functions of SEM/FIB Features High speed milling, large ion beam current High resolution ion column Simultaneous milling & image observation Bitmap milling for various shapes 3D view (S 3 TM ) High utility specimen chamber High performance SEM column with LaB 6 Confidential Functions 1.Progressive sectioning (slice and view) 2.Nanomachining 3.Site-specific preparation of TEM sections
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Simultaneous Milling & Imaging Volkert et al, MRS Bulletin 32, May, 2007
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FIB and Micromachining Mayer et al, MRS Bulletin 32, May, 2007
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FIB and Micromachining Mayer et al, MRS Bulletin 32, May, 2007
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Neuron cage (Meng) – 6490, SEI, 1 kV
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Neuron cage (Meng) – Video
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Emitter tip Tip radius less than 200nm Milling time : 2h Specimen : Si Bitmap Milling for Various Shapes Confidential
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Types of Research Supported Biological and biomedical Bio and non-bio nanoscience Materials science / Chemistry / Physics Earth science / geo / geo-bio Electrical, mechanical, and civil engineering Physics Dental science Pharmacological
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Access / Scheduling / Rates Open to all USC users Supported by two full-time staff plus post-doc Web-based sign-up at http://www.usc.edu/dept/CEMMA/cemma.html http://www.usc.edu/dept/CEMMA/cemma.html Rates (present) $45/hr self-use $75/hr with operator
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Rates – EM Labs Nationwide “The median fee for internal and external users in academic organizations was $65 and $150, respectively. “ Source: Microscopy Today, July 2007 $150 $65
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Break Even Capacity - BEC Assume 4 EMs, 2 techs, operating 8/5 and charging $50/hr Requires utilization of 52% to break even Source: Microscopy Today, July 2007
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Summary Many thanks to Provost Much work left to do Stronger infrastructure to be built Comments and suggestions welcome
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