NASA Photo ID: S89-44166           File Name: 10063731.jpg
  Film Type: 4x5 BW                  Date Taken: 09/11/89
  Title: Cutaway line drawing of STS-34 middeck experiment Polymer Morphology (PM)
  Description:
  Cutaway line drawing shows components of STS-34 middeck experiment Polymer 
  Morphology (PM).  Generic Electronics Module (GEM) components include the 
  control housing, circulating fans, hard disk, tape drives, computer boards, 
  and heat exchanger.  PM, a 3M-developed organic materials processing 
  experiment, is designed to explore the effects of microgravity on polymeric 
  materials as they are processed in space.  The samples of polymeric
  materials  being studied in the PM experiment are thin films (25 microns or
  less)  approximately 25mm in diameter.  The samples are mounted between two
  infrared  transparent windows in a specially designed infrared cell that
  provides the  capability of thermally processing the samples to 200 degrees
  Celsius with a  high degree of thermal control.  The samples are mounted on
  a carousel that  allows them to be positioned, one at a time, in the
  infrared beam where  spectra may be acquired.  The GEM provides all
  carousel and sample cell  control (SCC). The first flight of PM will
  contain 17 samples.  PM experiment  is being conducted by 3M's Space
  Research and Applications Laboratory.       
  
  Subject terms:
  ATLANTIS (ORBITER)                      
  DRAWINGS                                
  MIDDECK                                 
  POLYMERS                                
  POLYMORPHISM                            
  SPACEBORNE EXPERIMENTS                  
  STS-34                                  
  VISUAL AIDS                             
  

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