| 摘要 |
A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 µm/cm<SUP>2</SUP>, wherein nTTV is total thickness variation normalized for surface area of teh generally planar surface, the substrate having a diameter not less than about 9.0 cm. |
| 申请人 |
SAINT-GOBAIN CERAMICS & PLASTICS, INC.;TANIKELLA, BRAHMANANDAM V.;SIMPSON, MATTHEW A.;CHINNAKARUPPAN, PALANIAPPAN;RIZZUTO, ROBERT A.;VEDANTHAM, RAMANUJAM |
发明人 |
TANIKELLA, BRAHMANANDAM V.;SIMPSON, MATTHEW A.;CHINNAKARUPPAN, PALANIAPPAN;RIZZUTO, ROBERT A.;VEDANTHAM, RAMANUJAM |
