1. A production method of a Group III nitride semiconductor element having, on a substrate, in this order, an n-type layer, an active layer and a p-type layer which comprise a Group III nitride semiconductor, wherein, during orand after growth of the n-type layer and before growth of the active layer, a growth rate of the semiconductor is reduced.
2. The production method of a Group III nitride semiconductor element according to claim 1, wherein a reduced growth rate of the Group III nitride semiconductor is less than 1 \u03bcmhr.
3. The production method of a Group III nitride semiconductor element according to claim 2, wherein a growth of the semiconductor is interrupted (the reduced growth rate is 0).
4. The production method of a Group III nitride semiconductor element according to claim 3, wherein an atmosphere during the interruption comprises a nitrogen source and a carrier gas.
5. The production method of a Group III nitride semiconductor element according to claim 1, wherein the n-type layer contains an n-type contact layer and an n-type clad layer, and said n-type clad layer contains In.
6. The production method of a Group III nitride semiconductor element according to claim 5, wherein a growth rate of the semiconductor is reduced before growth of the n-type clad layer.
7. The production method of a Group III nitride semiconductor element according to claim 6, wherein, after growth of the n-type contact layer and before growth of the n-type clad layer, the growth of the semiconductor is interrupted.
8. The production method of a Group III nitride semiconductor element according to claim 1, wherein a time period for reducing the growth rate is not less than 30 seconds and not more than 4 hours.
9. The production method of a Group III nitride semiconductor element according to claim 1, wherein the thickness of the reduced-growth-rate layer, in which a growth rate of the semiconductor is reduced, is not more than 100 nm.
10. The production method of a Group III nitride semiconductor element according to claim 1, wherein a substrate temperature during reducing the growth rate is not lower than a substrate temperature in the course of growth of an n-type layer immediately before the growth rate is reduced.
11. The production method of a Group III nitride semiconductor element according to claim 1, wherein the substrate temperature during reducing the growth rate is 900 to 1400\xb0 C.
12. The production method of a Group III nitride semiconductor element according to claim 1, wherein a carrier gas is a hydrogen-containing gas.
13. The production method of a Group III nitride semiconductor element according to claim 1, a flow rate of a nitrogen source is 1 to 20 littermin.
14. A Group III nitride semiconductor element produced by the production method according to claim 1.
15. A Group III nitride semiconductor light-emitting device, wherein the Group III nitride semiconductor element according to claim 14 is provided with both a negative electrode on the n-type layer and a positive electrode on the p-type layer.
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 kit for wrapping items comprising:
a generally flat box having a predetermined internal width, depth and height and means for closing the box when not in use; and
a plurality of generally heavy duty foil wraps, the foil wraps being pre-formed in a single size and shape or in varying sizes and shapes and having predetermined colors andor indicia for representing desired themes,
wherein one of the foil wraps can be selected that corresponds to a specific desired theme, which is appropriate for an item to be wrapped,
wherein the box is configured to receive and store the plurality of foil wraps, and
wherein an item to be wrapped can be wrapped using the selected foil wrap without the use of scissors or tape.
2. The kit according to claim 1, wherein the sizes of the foil wraps are 12 inch, 18 inch, 24 inch, 30 inch, 36 inch or combinations thereof.
3. The kit according to claim 1, wherein the shapes of the foil wraps are round, square, rectangular, triangular or combinations thereof.
4. The kit according to claim 1, wherein the foil wraps have a thickness of about 0.0015 inches or thicker.
5. The kit according to claim 1, wherein each foil wrap is colored a predetermined color scheme to represent a desired theme.
6. The kit according to claim 5, wherein when indicia is included on the colored foil wrap, said indicia on said colored foil wrap is printed with predetermined words, phrases or designs in one or more alternative colors.
7. A method of wrapping items without the use of scissors to cut the wrapping material or to tape the wrapping material together, the method comprising:
providing a kit for wrapping items comprising:
a generally flat box having a predetermined internal width, depth and height, and means for closing the box when not in use; and
a plurality of generally heavy duty foil wraps, the foil wraps being pre-formed in a single size and shape or in varying sizes and shapes and having predetermined colors andor indicia for representing desired themes,
wherein one of the foil wraps can be selected that corresponds to a specific desired theme, which is appropriate for an item to be wrapped,
wherein the box is configured to receive and store the plurality of foil wraps, and
wherein an item to be wrapped can be wrapped using the selected foil wrap without the use of scissors or tape.
8. The method according to claim 7, wherein the sizes of the foil wraps are 12 inch, 18 inch, 24 inch, 30 inch, 36 inch or combinations thereof.
9. The method according to claim 7, wherein the shapes of the foil wraps are round, square, rectangular, triangular or combinations thereof.
10. The method according to claim 8, wherein the foil wraps have a thickness of about 0.0015 inches or thicker.
11. The method according to claim 7, wherein each foil wrap is colored a predetermined color scheme to represent a desired theme.
12. The method according to claim 11, wherein when indicia is included on the colored foil wrap, said indicia on said colored foil wrap is printed with predetermined words, phrases or designs in one or more alternative colors.
13. A wrapping system for wrapping items comprising:
a plurality of generally heavy duty foil wraps, the foil wraps being preformed in a single size and shape or in varying sizes and shapes and having predetermined colors andor indicia for representing desired themes,
wherein one of the foil wraps can be selected that corresponds to a specific desired theme, which is appropriate for an item to be wrapped, and
wherein an item to be wrapped can be wrapped using the selected foil wrap without the use of scissors or tape.
14. The system according to claim 13, further comprising:
a generally flat box having a predetermined internal width, depth and height, and means for closing the box when not in use,
wherein the box is configured to receive and store the plurality of foil wraps.
15. The system according to claim 14, wherein the sizes of the foil wraps are 12 inch, 18 inch, 24 inch, 30 inch, 36 inch or combinations thereof.
16. The system according to claim 14, wherein the shapes of the foil wraps are round, square, rectangular, triangular or combinations thereof.
17. The system according to claim 14, wherein the foil wraps have a thickness of about 0.0015 inches or thicker.
18. The system according to claim 14, wherein each foil wrap is colored a predetermined color scheme to represent a desired theme.
19. The system according to claim 18, wherein when indicia is included on the colored foil wrap, said indicia on said colored foil wrap is printed with predetermined words, phrases or designs in one or more alternative colors.