

1st Place, 1981
David Gnizak
Ferro Corp., Technical Center
Independence, Ohio, USA
Collapsed bubbles from an annealed experimental electronic sealing glass (55x)
Reflected Light, Nomarski Differential Interference Contrast


David Gnizak
Ferro Corp., Technical Center
Independence, Ohio, USA
Collapsed bubbles from an annealed experimental electronic sealing glass (55x)
Reflected Light, Nomarski Differential Interference Contrast