Ours or Mars? Understanding Microbial Bioloading on the InSight Mars Lander
A review of planetary protection approaches to the reduction of "harmful contamination" in the form of endospores for the InSIght Mars Lander.
bioburden↗
Engineering topics
Pugel, Diane E.
Publications and source records attributed to Pugel, Diane E..
Method of forming pointed structures
A method of forming an array of pointed structures comprises depositing a ferrofluid on a substrate, applying a magnetic field to the ferrofluid to generate an array of surface protrusions, and solidifying the surface protrusions to form the array of pointed structures. The pointed structures may have a tip radius ranging from approximately 10 nm to approximately 25 micron. Solidifying the surface protrusions may be carried out at a temperature ranging from approximately 10 degrees C. to approximately 30 degrees C.
Pugel, Diane E.↗
Templates for Deposition of Microscopic Pointed Structures
Templates for fabricating sharply pointed microscopic peaks arranged in nearly regular planar arrays can be fabricated by a relatively inexpensive technique that has recently been demonstrated. Depending on the intended application, a semiconducting, insulating, or metallic film could be deposited on such a template by sputtering, thermal evaporation, pulsed laser deposition, or any other suitable conventional deposition technique. Pointed structures fabricated by use of these techniques may prove useful as photocathodes or field emitters in plasma television screens. Selected peaks could be removed from such structures and used individually as scanning tips in atomic force microscopy or mechanical surface profiling.
Pugel, Diane E.↗