v CONTENTS 

Symposium Schedule ............................................................................................................ .................... viii   Symposium Organizing and Advi sory Committees .................................................................................. ... xii   An Innovative Aperture Cover Mec hanism used on SDO/ EVE and MMS/S DP ............................................ 1  Stephen Steg, William Vermeer, Scott Tucker & Heather Passe 

 Metering Wheel-Wire Track Wire B oom Deployment Me chanism .............................................................. 11  Mark Granoff   Development of Cryogenic Filter wheels for the HERSCHEL Phot odetector Array Camera &   Spectrometer (PACS)/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis/elipsis . /elipsis..19  Christian Körner, Dirk Kampf, Albrecht P oglitsch, Josef Schubert, U. Ruppert &M. Schoele   Development and Preliminary Tes ting of a High Precision Long Stroke Slit Change Mechanism   for the SPICE Instrument  ..................................................................................................... ...................... 31  Gabriel Paciotti, Martin Humphries,  Fabrice Rottmeier & Luc Blecha 

High Gain Antenna System Depl oyment Mechanism Integration,  Characterization, and   Lessons Learned ............................................................................................................... ......................... 45  Fil Parlong, Blair Russell, Walter Garcen, Chris Rose, Chris Johnson & Craig Huber 

In-Orbit Performance of the MWRI Scanning Mec hanisms ........................................................................ 59  Manfred Schmid, Miao Jun & Yu Shuang   Launch Load Resistant Spacecraft Mechanism B earings Made From NiTi Superelastic   Intermetallic Materials ....................................................................................................... .......................... 73  Christopher DellaCorte & Lewis E. Moore III 

Reducing Wear of Steel Ro lling Against Ti6Al4V Oper ating in Va cuum .................................................... 87  Timothy Krantz   Wear Potential due to Low EHD Films during elevated Tem peratures .................................................... 103  Alan Leveille & Peter Ward 

Observations of Spacecraft Bearing Lubr icant Redistribution Based on Thermal   Conductance Measur ements ...................................................................................................... .............. 113  Yoshimi Takeuchi, Peter Frantz & Michael Hilton 

A Study on the Effects of Ball Defects on the Fatigue Life in Hybrid B earings ......................................... 129  Ching-Yao Tang, Chad Foerster, Michael O’Brien,  Brian Hardy, Vinay G oyal, Benjamin Nelson,  Ernest Robinson, Peter Ward & Michael Hilton 

Design and Test of a Deployable Radi ation Cover for the REgolith X- ray Imaging Spec trometer ........... 145  David Carte, Niraj I namdar, Michael Jones & Rebecca Masterson 

The Development, Build and Environmental Testing of  a Bi-Axis Solar Arr ay Drive Mec hanism .............  153  Noemy Scheidegger, Mark Ferris & Nigel Phillips 

Advances in Current Rating Techniques for Flexible Print ed Circuits ...................................................... 161  Ron Hayes