A highly reliable capacitor, a semiconductor device having high operating performance and reliability, and a manufacturing method thereof are provided. A capacitor formed of a first conductive film 102, a dielectric 103 made of an insulating material, and a second conductive film 104 is characterize
A highly reliable capacitor, a semiconductor device having high operating performance and reliability, and a manufacturing method thereof are provided. A capacitor formed of a first conductive film 102, a dielectric 103 made of an insulating material, and a second conductive film 104 is characterized in that a pin hole 106 formed by chance in the dielectric 103 is filled up with an insulating material (filler) 107 made of a resin material. This can prevent short circuit between the first conductive film 102 and the second conductive film 104. The capacitor is used as a storage capacitor provided in a pixel of a semiconductor device.
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What is claimed is: 1. A semiconductor device comprising: a substrate; a thin film transistor over the substrate; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulat
What is claimed is: 1. A semiconductor device comprising: a substrate; a thin film transistor over the substrate; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film wherein the pixel electrode has a depression due to the existence of the contact hole; and a spacer comprising a resin material formed over the pixel electrode wherein the resin material has negative photosensitivity and a portion of the spacer is formed in the depression. 2. A semiconductor device according to claim 1, wherein the resin material is negative type acrylic resin film. 3. A semiconductor device according to claim 1, wherein the pixel electrode is a compound film of indium oxide and tin oxide. 4. A semiconductor device according to claim 1, wherein a part of the insulating film is a resin insulating film colored by pigment. 5. A semiconductor device according to claim 1, wherein the insulating film comprises one selected from the group consisting of Polyimide, acrylic resin, polyamide, polyimide amide, benzocyclobutane and Cyclotene. 6. A semiconductor device according to claim 1, wherein the insulating film comprises organic SiO compounds. 7. A semiconductor device according to claim 1, wherein the insulating film comprises an inorganic material. 8. A semiconductor device according to claim 1, wherein the spacer has an angle of the taper be set 40 to 90��. 9. A semiconductor device according to claim 1, wherein the pixel electrode is electrically connected to the thin film transistor through a conductive layer, the conductive layer being formed between the thin film transistor and the interlayer insulating film. 10. A semiconductor device according to claim 1, wherein the portion of the spacer fills the depression. 11. A semiconductor device according to claim 1, wherein the spacer is formed by photolithography. 12. A semiconductor device comprising: a substrate; a thin film transistor comprising an active layer over the substrate, wherein the active layer has a channel forming region; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film; and a spacer comprising a resin material, formed over the pixel electrode, wherein the spacer covers the contact hole, wherein the spacer at least partly overlaps the channel forming region, wherein the resin material has negative photosensitivity, wherein the spacer is a tapered shape. 13. A semiconductor device according to claim 12, wherein the resin material is negative type acrylic resin film. 14. A semiconductor device according to claim 12, wherein the pixel electrode is a compound film of indium oxide and tin oxide. 15. A semiconductor device according to claim 12, wherein a part of the insulating film is a resin insulating film colored by pigment. 16. A semiconductor device according to claim 12, wherein the insulating film comprises one selected from the group consisting of Polyimide, acrylic resin, polyamide, polyimide amide, benzocyclobutane and Cyclotene. 17. A semiconductor device according to claim 12, wherein the insulating film comprises organic SiO compounds. 18. A semiconductor device according to claim 12, wherein the insulating film comprises an inorganic material. 19. A semiconductor device according to claim 12, wherein the spacer has an angle of the taper be set 40 to 90��. 20. A semiconductor device according to claim 12, further comprising a capacitor, wherein the capacitor is formed of a shielding film provided over the thin film transistor with a dielectric interposed therebetween, the dielectric covering the shielding film, and the pixel electrode provided in contact with the dielectric. 21. A semiconductor device comprising: a substrate; a thin film transistor over the substrate; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film wherein the pixel electrode has a depression due to the existence of the contact hole; and a spacer comprising a resin material formed over the pixel electrode wherein the resin material has negative photosensitivity, a portion of the spacer is formed in the depression, and the spacer has a tapered side surface. 22. A semiconductor device according to claim 21, wherein the resin material is negative type acrylic resin film. 23. A semiconductor device according to claim 21, wherein the pixel electrode is a compound film of indium oxide and tin oxide. 24. A semiconductor device according to claim 21, wherein a part of the insulating film is a resin insulating film colored by pigment. 25. A semiconductor device according to claim 21, wherein the insulating film comprises one selected from the group consisting of Polyimide, acrylic resin, polyamide, polyimide amide, benzocyclobutane and Cyclotene. 26. A semiconductor device according to claim 21, wherein the insulating film comprises organic SiO compounds. 27. A semiconductor device according to claim 21, wherein the insulating film comprises an inorganic material. 28. A semiconductor device according to claim 21, wherein the spacer has an angle of the taper be set 40 to 90��. 29. A semiconductor device according to claim 21, wherein the pixel electrode is electrically connected to the thin film transistor through a conductive layer, the conductive layer being formed between the thin film transistor and the interlayer insulating film. 30. A semiconductor device according to claim 21, wherein the portion of the spacer fills the depression. 31. A semiconductor device according to claim 21, wherein the spacer is formed by photolithography. 32. A semiconductor device comprising: a substrate; a thin film transistor comprising an active layer over the substrate, wherein the active layer has a channel forming region; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film; and a spacer comprising a resin material, formed over the pixel electrode, wherein the spacer covers the contact hole, wherein the spacer at least partly overlaps the channel forming region, wherein the spacer has at least an upper surface and a side surface, wherein the resin material has negative photosensitivity, wherein the spacer is a tapered shape. 33. A semiconductor device according to claim 32, wherein the resin material is negative type acrylic resin film. 34. A semiconductor device according to claim 32, wherein the pixel electrode is a compound film of indium oxide and tin oxide. 35. A semiconductor device according to claim 32, wherein a part of the insulating film is a resin insulating film colored by pigment. 36. A semiconductor device according to claim 32, wherein the insulating film comprises one selected from the group consisting of Polyimide, acrylic resin, polyamide, polyimide amide, benzocyclobutane and Cyclotene. 37. A semiconductor device according to claim 32, wherein the insulating film comprises organic SiO compounds. 38. A semiconductor device according to claim 32, wherein the insulating film comprises an inorganic material. 39. A semiconductor device according to claim 32, wherein the spacer has an angle of the taper be set 40 to 90��. 40. A semiconductor device according to claim 32, further comprising a capacitor, wherein the capacitor is formed of a shielding film provided over the thin film transistor with a dielectric interposed therebetween, the dielectric covering the shielding film, and the pixel electrode provided in contact with the dielectric. 41. A semiconductor device comprising: a substrate; a capacitor; and a pixel comprising: a thin film transistor over the substrate; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film; and a spacer comprising a resin material, formed over the pixel electrode, wherein the capacitor is formed of a shielding film provided over the thin film transistor with a dielectric interposed therebetween, the dielectric covering the shielding film, and the pixel electrode provided in contact with the dielectric, wherein the spacer covers the contact hole, wherein the spacer at least partly overlaps the thin film transistor, wherein the resin material has negative photosensitivity, wherein the spacer is a tapered shape. 42. A semiconductor device comprising: a substrate; a capacitor; and a pixel comprising; a thin film transistor over the substrate; an insulating film over the thin film transistor; a pixel electrode over the insulating film, electrically connected to the thin film transistor via a contact hole formed in the insulating film; and a spacer comprising a resin material, formed over the pixel electrode, wherein the capacitor is formed of a shielding film provided over the thin film transistor with a dielectric interposed therebetween, the dielectric covering the shielding film, and the pixel electrode provided in contact with the dielectric, wherein the spacer covers the contact hole, wherein the spacer at least partly overlaps the thin film transistor, wherein the spacer has at least an upper surface and a side surface, wherein the resin material has negative photosensitivity, wherein the spacer is a tapered shape.
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