Semiconductor device

Abstract

According to one embodiment, a semiconductor device includes a wiring substrate and a first semiconductor chip. The first semiconductor chip has a first surface facing the wiring substrate. The first surface has a groove. The groove extends across the first surface and divides the first surface into a first portion and a second portion. A first bonding layer is between the first portion of the first surface and the wiring substrate. A second bonding layer is between the second portion of the first surface and the wiring substrate. A second semiconductor chip is on the wiring substrate. The second semiconductor chip has a portion inside the groove of the first semiconductor chip. A third bonding layer is between the bottom of the groove and a second surface of the second semiconductor chip.

Dependencies are inferred from the claim text.