Patent ID: 11949021
Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. A semiconductor device comprising:
a first transistor;
a first insulating film over the first transistor;
a first conductive film over the first insulating film;
a second insulating film over the first conductive film;
a second transistor over the second insulating film;
a second conductive film over the second insulating film;
a third insulating film over the second transistor and the second conductive film; and
a third conductive film over the third insulating film,
wherein the first transistor is electrically connected to the second transistor through the first to third conductive films,
wherein the first conductive film extends in a channel width direction of the second transistor, and
wherein the second transistor comprises an oxide semiconductor layer comprising a channel.