Silkscreen LOGO and custom graphic

Hello, my question is about how to make logo and graphic in silkscreen layer when minimal line width is 6mil. If i use standart bmp coverter in Eagle, finaly width of lines is smaller than 6mil. Its productable? Or how to secure this?

hi,
the minimum silkscreen line width is 4mil (4/1000 inch).
thanks,
dwin