TS3A44159: Is there any exposed bare copper from the lead frame?

hi team,

i have some questions on the package of TS3A44159RGTR.

    Is there any exposed bare copper from the lead frame on the sides of the package?

    if answer is yes, what do you do to avoid those Cu corrosion and the created leakage current by that?

    If Mixed Flow Gas test against corrosion is performed on such part?

thanks.