Patent ID: 8212364

Claim:
A semiconductor device comprising: an interposer; a wiring provided on the interposer; an oxide film bonded to the interposer with an adhesive; a metal oxide pasted on a part of the oxide film; a first chip over the oxide film, the first chip comprising: a first semiconductor device, wherein the first semiconductor device includes: a first thin film transistor including a first island shaped semiconductor film; and a second thin film transistor including a second island shaped semiconductor film that is spaced from the first island shaped semiconductor film, wherein the first island shaped semiconductor film and the second island shaped semiconductor film are provided over and in contact with a same layer; a first pad electrically connected to the first semiconductor device; and a first solder ball electrically connected to the first pad and over the interposer; a second chip over the first chip, the second chip comprising: a second semiconductor device, wherein the second semiconductor device includes: a third thin film transistor including a third island shaped semiconductor film; and a fourth thin film transistor including a fourth island shaped semiconductor film that is spaced from the third island shaped semiconductor film, wherein the third island shaped semiconductor film and the fourth island shaped semiconductor film are provided over and in contact with a same layer; a second pad electrically connected to the second semiconductor device; and a second solder ball electrically connected to the second pad; and a terminal provided at a rear side of the interposer, wherein the wiring and the first chip are electrically connected via the first solder ball, wherein the first semiconductor device and the second semiconductor device are electrically connected via the second solder ball, wherein the second solder ball is in direct contact with the first pad and the second pad, and wherein the terminal is electrically connected to the first semiconductor device.