Patent ID: 7741683

Claim:
An apparatus comprising: an active region including a source region, a drain region, and a channel region; a gate electrode, source electrodes, and a drain electrode formed around the active region; a plurality of gate fingers diverging from the gate electrode into the channel region; a plurality of source fingers diverging from the source electrodes into the source region, the source fingers being disposed between the gate fingers in a predetermined pattern, the source fingers having at least two finger lines connected to each other via at least one grid line; and a plurality of drain fingers diverging from the drain electrode into the drain region, the drain fingers being disposed between the gate fingers where the source fingers are not disposed, wherein the at least one grid line vertically connects a first source electrode and a second source electrode outside the active region, and the at least one grid line is formed over a layer different from layers where the source fingers and the drain fingers are formed.