Development of new releasing agents for preparation of thin self-supporting target films

Several kinds of materials were examined for the usefulness as releasing agents in the preparation of various thin self-supporting target films for use in nuclear reaction experiments. NaCl, BaCl2, KCl, CsI, Teepol, glucose, KIO3, mica, nitrocellulose or Formvar was deposited onto glass plates as the release agent by vacuum evaporation or dipping method. The obtained target film was tested on impurities from the release agent by using nuclear reactions. The relative effectiveness of each release agent was also considered from ease in the stripping of target films.