boejenjamin: Unexpected Beauty by FEI Company Via Flickr: It’s a contamination of iron oxide

boejenjamin:

Unexpected Beauty by FEI Company
Via Flickr:
It’s a contamination of iron oxide involving the tungsten filament of an automotive light bulb. Courtesy of Mr. FRANCISCO RANGEL , MCT/INT Image Details Instrument used: Quanta SEM Magnification:3963xHorizontal Field Width: 75.3 μm Vacuum: 9.27e-7 mbar Voltage: 20 kV Spot:2.0Working Distance:10.8Detector: Mix: SE plus BSE.