The present invention provides a peeling off method without giving damage to the peeled off layer, and aims at being capable of peeling off not only a peeled off layer having a small area but also a peeled off layer having a large area over the entire surface at excellent yield ratio. The metal laye
The present invention provides a peeling off method without giving damage to the peeled off layer, and aims at being capable of peeling off not only a peeled off layer having a small area but also a peeled off layer having a large area over the entire surface at excellent yield ratio. The metal layer or nitride layer 11 is provided on the substrate, and further, the oxide layer 12 being contact with the foregoing metal layer or nitride layer 11 is provided, and furthermore, if the lamination film formation or the heat processing of 500° C. or more in temperature is carried out, it can be easily and clearly separated in the layer or on the interface with the oxide layer 12 by the physical means.
대표청구항▼
1. A method of forming a semiconductor device comprising: forming a lamination containing an oxide layer in contact with a nitride layer provided over a substrate;forming a first insulating layer over the lamination;forming a second insulating layer over the first insulating layer;forming a semicond
1. A method of forming a semiconductor device comprising: forming a lamination containing an oxide layer in contact with a nitride layer provided over a substrate;forming a first insulating layer over the lamination;forming a second insulating layer over the first insulating layer;forming a semiconductor layer over the second insulating layer;forming at least one thin film transistor by using a portion of the semiconductor layer as an active layer;forming a light emitting element over the second insulating layer, the light emitting element comprising an anode and a cathode with a light emitting layer interposed between the anode and the cathode, the light emitting layer comprising an organic light emitting material; andpeeling off the light emitting element, the thin film transistor, the oxide layer, the first insulating layer and the second insulating layer from the nitride layer and the substrate at an interface between the nitride layer and the oxide layer by physical means,wherein the nitride layer is provided between the oxide layer and the substrate. 2. The method according to claim 1 wherein said oxide layer comprises a single layer comprising a material selected from the group consisting of a silicon oxide and metal oxide, or a lamination thereof. 3. The method according to claim 1 further comprising conducting a laser light irradiation before said peeling by said physical means. 4. A method of forming a semiconductor device comprising: forming a lamination containing an oxide layer in contact with a nitride layer provided over a substrate;forming a first insulating layer over the lamination;forming a second insulating layer over the first insulating layer;forming a peeled off layer over the second insulating layer, said peeled off layer comprising a thin film transistor and a light emitting element, the light emitting element comprising an anode and a cathode with a light emitting layer interposed between the anode and the cathode, the light emitting layer comprising an organic light emitting material;adhering the peeled off layer to a support; andpeeling off the peeled off layer adhered to the support, the first insulating layer and the second, insulating layer from the substrate at an interface between the nitride layer and the oxide layer by physical means,wherein the nitride layer is provided between the oxide layer and the substrate. 5. The method according to claim 4 wherein an irradiation of a laser beam is performed before adhering said peeled off layer to said support. 6. The method according to claim 4 wherein said oxide layer comprises a single layer comprising a material selected from the group consisting of a silicon oxide and metal oxide, or a lamination thereof. 7. The method according to claim 4 further comprising conducting a laser light irradiation before said peeling by said physical means. 8. A method of manufacturing a semiconductor device comprising: forming a nitride layer over a substrate;forming an oxide layer over said nitride layer;forming a first insulating layer over said oxide layer;forming a second insulating layer over the first insulating layer;forming an element comprising a light emitting element over the second insulating layer, the light emitting element comprising an anode and a cathode with a light emitting layer interposed between the anode and the cathode, the light emitting layer comprising an organic light emitting material;adhering the element to a support;peeling off the support with the element, the oxide layer, the first insulating layer and the second insulating layer at an interface between the nitride layer and the oxide layer from the substrate and the nitride layer by physical means; andadhering a transferring body to the oxide layer to sandwich the element between the support and the transferring body. 9. The method according to claim 8, wherein the support is a film substrate or base member. 10. The method according to claim 8 wherein the transferring body is a film substrate or base member. 11. The method according to claim 8 wherein an irradiation of a laser beam is performed before adhering the element to the support. 12. The method according to claim 8 wherein an irradiation of a laser beam is performed before peeling off by the physical means. 13. The method according to claim 8 wherein the element further comprises a thin film transistor comprising a semiconductor layer as an active layer, and in the step of forming the semiconductor layer, a semiconductor layer having an amorphous structure is crystallized by performing a heat processing or an irradiation of a laser beam to be formed into a semiconductor layer having a crystal structure. 14. The method according to claim 8 wherein the support is a sealing member. 15. The method according to claim 8 wherein the oxide layer is a monolayer comprising a material selected from the group consisting of a silicon oxide and a metal oxide or a lamination thereof. 16. The method according to claim 9, wherein said semiconductor device has a first insulating film, a second insulating film and a third insulating film over said film substrate, and a film stress of said second insulating film sandwiched between said first insulating film and said third insulating film is smaller than those of said first insulating film and said third insulating film. 17. The method according to claim 10, wherein said semiconductor device has a first insulating film, a second insulating film and a third insulating film over said film substrate, and a film stress of said second insulating film sandwiched between said first insulating film and said third insulating film is smaller than those of said first insulating film and said third insulating film. 18. A device according to claim 1 wherein said semiconductor device is incorporated into at least one selected from the group consisting of a personal computer, a video camera, a mobile computer, a goggle type display, a player using a recording medium, a digital camera, a portable telephone, a portable book and a display. 19. The method according to claim 1, wherein the film stress of the nitride layer and the oxide layer is different from each other. 20. The method according to claim 4, wherein the film stress of the nitride layer and the oxide layer is different from each other. 21. The method according to claim 8, wherein the film stress of the nitride layer and the oxide layer is different from each other. 22. The method according to claim 1, wherein the nitride layer is a metal nitride layer. 23. The method according to claim 4, wherein the nitride layer is a metal nitride layer. 24. The method according to claim 8, wherein the nitride layer is a metal nitride layer. 25. The method according to claim 1, wherein the oxide layer is formed over the nitride layer. 26. The method according to claim 4, wherein the oxide layer is formed over the nitride layer. 27. The method according to claim 4, wherein the peeled off layer further comprises any one of a thin film diode, a photoelectric conversion element comprising PIN junction of silicon, and a silicon resistance element. 28. The method according to claim 8, wherein the element further comprises any one of a thin film transistor, a thin film diode, a photoelectric conversion element comprising PIN junction of silicon, and a silicon resistance element.
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