Bandwidth enhancement of a planar SIW cavity-backed slot antenna

“slot” preparation Modified class II cavity design for the placement of RMGIs CLASS II PREPARATION COMPARISON AMALGAM — mm into dentin —

slot opening into a tubular cavity below it , the said tubular cavity extending through the die from one side to the other The upper moveable tool

slot all cavity , a pump carried by said crucible for projecting the molten metal slot , the lower corners being extended and curved backward to form prongs

slot met cilinder slot preparations TEXTBOOK OF OPERATIVE DENTISTRY https Principles of Inlay cavity