Patent ID: 7936128
Filing Date: 2011-05-03
Classification: C03C,C04B,H01J

Abstract:
1. A material for sealing a ceramic body, the material consisting essentially of silica (SiO 2 ) in a range of more than 0 wt % to less than 5 wt %, alumina (Al 2 O 3 ), and one of dysprosia (Dy 2 O 3 ) or yttrium oxide (Y 2 O 3 ), wherein the material has a composition close to either a Al 2 O 3 /Dy 2 O 3 eutectic composition having a melting point of 1762° C. or a Al 2 O 3 /Y 2 O 3 eutectic composition having a melting point of 1826° C.