1. A method for manufacturing a double-active-layer structure with a polysilicon layer and a microcrystalline silicon layer, including:
providing a substrate;
forming a first amorphous silicon layer on the substrate;
patterning the first amorphous silicon layer to form a amorphous silicon active layer on the substrate;
forming a first insulating layer over the amorphous silicon active layer and over the part of the substrate uncovered by the amorphous silicon active layer;
forming a second amorphous silicon layer over the first insulating layer;
performing a laser annealing process to crystallize the amorphous silicon active layer into a microcrystalline silicon active layer and to crystallize the second amorphous silicon layer into a polysilicon layer; and
patterning the polysilicon layer to form a polysilicon active layer on the part of the substrate uncovered by the microcrystalline silicon active layer.
2. The method of claim 1, wherein the laser annealing process is performed with a wavelength longer than 400 nm.
3. The method of claim 1, wherein the grain sizes in the microcrystalline silicon layer range from 0.01 to 0.1 \u03bcm.
4. The method of claim 1, wherein the grain sizes in the polysilicon layer range from 0.1 to 0.5 \u03bcm.
5. A method for manufacturing a double-active-layer structure with a polysilicon layer and a microcrystalline silicon layer, including:
providing a substrate and defining a first area and a second area on the substrate;
forming a microcrystalline silicon active layer in the first area on the substrate;
forming an insulating layer over the microcrystalline silicon active layer and over the substrate corresponding to the second area;
forming an amorphous silicon layer over the insulating layer;
performing a laser annealing process to crystallize the amorphous silicon layer into a polysilicon layer; and
patterning the polysilicon layer to form a polysilicon active layer in the second area.
6. The method of claim 5, wherein the laser annealing process is performed with a wavelength less than 400 nm.
7. The method of claim 5, wherein grain sizes in the microcrystalline silicon layer range from 0.01 to 0.1 \u03bcm.
8. The method of claim 5, wherein the grain sizes in the polysilicon layer range from 0.1 to 0.5 \u03bcm.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A multi-layer film capable of sealing to glass upon application of heat and pressure comprising an outermost ethylene vinyl alcohol layer adapted to contact a glass surface and function as an adhesive layer to said glass, and at least one other layer bonded to the ethylene vinyl alcohol layer.
2. The multi-layer film of claim 1, including a stock layer comprising one of a polymeric film, metal foil, cardboard and paper.
3. The multi-layer film of claim 2, wherein the stock layer comprises aluminum foil.
4. The multi-layer film of claim 2, including a polymer layer bonded between said stock layer and said ethylene vinyl alcohol layer.
5. The multi-layer film of claim 4, wherein the polymer layer is a polyolefin.
6. The multi-layer film of claim 5, wherein the polyolefin layer is polyethylene.
7. The multi-layer film of claim 6, wherein the polyethylene is selected from the group consisting of low density polyethylene, linear low density polyethylene, and high density polyethylene.
8. The multi-layer film of claim 2, wherein the stock layer includes printed indicia.
9. The multi-layer film of claim 1, wherein the film is a label for a glass container.
10. The multi-layer film of claim 4, wherein the polymer layer is selected from ethylene acrylic acids, polyesters, nylons and rubbers.
11. A method of sealing a film to a glass container comprising the steps of selecting a multi-layer film comprising an outermost ethylene vinyl alcohol layer and at least one other layer, applying said film to the container with the ethylene vinyl alcohol layer in contact with the glass surface of the container and applying heat and pressure to the multi-layer film to seal the film to the glass surface of the container.
12. The method of claim 11, wherein the glass container has a mouth with an annular rim and wherein said film is applied to the rim of the container to seal the mouth of the container.
13. The method of claim 11, wherein the one other layer is a printed layer and including the step of applying the film to the container as a label.
14. A film capable of sealing to glass upon application of heat and pressure comprising an ethylene vinyl alcohol layer adapted to contact a glass surface and function as an adhesive layer to said glass.
15. The film of claim 14, including a stock layer laminated to said film and comprising one of a polymeric film, metal foil, cardboard and paper.
16. The film of claim 15, wherein the stock layer comprises aluminum foil.
17. The film of claim 14, wherein the stock layer includes printed indicia.
18. The film of claim 14, wherein the film is a sealant for a label for a glass container.
19. A method of sealing a film to a glass container comprising the steps of selecting a film comprising an ethylene vinyl alcohol layer, applying said film to the container with the ethylene vinyl alcohol layer in contact with the glass surface of the container and applying heat and pressure to the film to seal the film to the glass surface of the container.
20. The method of claim 19, wherein the glass container has a mouth with an annular rim and wherein said film is applied to the rim of the container to seal the mouth of the container.
21. The method of claim 19, including another layer adhered to said film, said another layer comprising a printed layer and including the step of applying the filmprinted layer to the container as a label.