microshell

plural microshells

1. An extremely thin shell or hard coating.

   A thermoplastic microshell provides tensile strenth to the helmet.

   2007, Nigel Mills, Polymer Foams Handbook: Engineering and Biomechanics Applications and Design Guide, page 336

   2 more examples

   Third, the thickness of the microshell is limited by the thin film deposition step that generally is in the range of a few micrometers.

   2004, Bharat Bhushan, Springer Handbook of Nanotechnology, page 1118

   A horizontal lineout was taken along the central plane of the microshell.

   2006, James Anthony King, Titanium K-alpha X-ray Imaging Radiography of Imploding Microshells Using a Spherically Bent Crystal, page 173