Abstract: A semiconductor process including the following steps is provided. A wafer is provided. The wafer has a front side and a back side. The wafer has a semiconductor device on the front side. A protection layer is formed on the front side of the wafer. The protection layer covers the semiconductor device. A material of the protection layer includes a photoresist material. A surface hardening treatment process is performed on the protection layer. A first patterning process is performed on the back side of the wafer. The semiconductor process can effectively protect the front side of the wafer during a backside process.

Abstract: A piezoresistive microphone includes a substrate, an insulating layer, and a polysilicon layer. A first pattern is disposed within the polysilicon layer. The first pattern includes numerous first opening. A second pattern is disposed within the polysilicon layer. The second pattern includes numerous second openings. The first pattern surrounds the second pattern. Each first opening and each second opening are staggered. A first resistor is disposed in the polysilicon and between the first pattern and the second pattern. The first resistor is composed of numerous first heavily doped regions and numerous first lightly doped regions. The first heavily doped regions and the first lightly doped regions are disposed in series. The first heavily doped region and the first lightly doped region are disposed alternately. A cavity is disposed in the insulating layer and the substrate.

Abstract: A piezoresistive microphone includes a substrate, an insulating layer, and a polysilicon layer. A first pattern is disposed within the polysilicon layer. The first pattern includes numerous first opening. A second pattern is disposed within the polysilicon layer. The second pattern includes numerous second openings. The first pattern surrounds the second pattern. Each first opening and each second opening are staggered. A first resistor is disposed in the polysilicon and between the first pattern and the second pattern. The first resistor is composed of numerous first heavily doped regions and numerous first lightly doped regions. The first heavily doped regions and the first lightly doped regions are disposed in series. The first heavily doped region and the first lightly doped region are disposed alternately. A cavity is disposed in the insulating layer and the substrate.

Abstract: An integrated semiconductor device and method for fabricating the same are provided wherein the integrated semiconductor device comprises a substrate a first stress-inducing layer, a second stress-inducing layer and an integrated circuit layer. The first stress-inducing layer covers on the substrate. The second stress-inducing layer partially covers on the first stress-inducing layer. The integrated circuit layer is bonded over the substrate.

Abstract: An integrated semiconductor device and method for fabricating the same are provided wherein the integrated semiconductor device comprises a substrate a first stress-inducing layer, a second stress-inducing layer and an integrated circuit layer. The first stress-inducing layer covers on the substrate. The second stress-inducing layer partially covers on the first stress-inducing layer. The integrated circuit layer is bonded over the substrate.

Abstract: An integrated semiconductor device and method for fabricating the same are provided wherein the integrated semiconductor device comprises a substrate a first stress-inducing layer, a second stress-inducing layer and an integrated circuit layer. The first stress-inducing layer covers on the substrate. The second stress-inducing layer partially covers on the first stress-inducing layer. The integrated circuit layer is bonded over the substrate.

Abstract: An integrated semiconductor device and method for fabricating the same are provided wherein the integrated semiconductor device comprises a substrate a first stress-inducing layer, a second stress-inducing layer and an integrated circuit layer. The first stress-inducing layer covers on the substrate. The second stress-inducing layer partially covers on the first stress-inducing layer. The integrated circuit layer is bonded over the substrate.