Progress status in fabrication of HBC stripper foil for 3-GeV RCS at J-PARC in Tokai siteMasahiro Yoshimoto, Yoshio Yamazaki, Takamitsu Nakanoya, Pranab Kumar Saha and Michikazu KinshoEPJ Web Conf., 229 (2020) 01001DOI: https://doi.org/10.1051/epjconf/202022901001