1. A method for making an anti-reflection film of a solar cell comprising the steps of:
providing a laminate comprising:
a ceramic substrate;
a titanium-based compound film coated on the ceramic substrate;
a p+ type poly-silicon back surface field coated on the titanium-based compound film in a high-temperature atmospheric pressure chemical vapor deposition system;
a p\u2212 type poly-silicon light-soaking film coated on the p+ type poly-silicon back surface field in the high-temperature atmospheric pressure chemical vapor deposition system; and
an n+ type poly-silicon emitter coated on the p\u2212 type poly-silicon light-soaking film;
passivating the laminate with SiCNO:Ar plasma in a plasma-enhanced vapor deposition device, thus filling the dangling bonds of the silicon atoms at the surface of the n+ type poly-silicon emitter, the dangling bonds of the silicon grains at the grain boundaries of the p\u2212 type poly-silicon light-soaking film and the dangling bonds of the silicon atoms in the p+ type poly-silicon back surface field; and
coating the n+ type poly-silicon emitter with an anti-reflection film of SiCNSiO2.
2. The method according to claim 1, wherein the titanium-based compound film is used as a seed layer for poly-silicon films.
3. The method according to claim 1, wherein the titanium-based compound film is made of a material selected from a group consisting of TiSi2, TiN, TiC, TiB2 and TiCxNy.
4. The method according to claim 1, wherein the thickness of the ceramic substrate is 0.1 to 1.0 mm.
5. The method according to claim 1, wherein the thickness of the titanium-based compound film is 500 to 5000 angstroms.
6. The method according to claim 1, wherein the thickness of the p+ type poly-silicon back surface field is not larger than 1 micrometer.
7. The method according to claim 1, wherein the thickness of the p\u2212 type poly-silicon light-soaking film is 1 to 15 micrometers.
8. The method according to claim 7, wherein the size of the grains of the p\u2212 type poly-silicon light-soaking film is larger than 10 micrometers.
9. The method according to claim 1, wherein the thickness of the n+ type poly-silicon emitter is 1000 angstroms.
10. The method according to claim 1, wherein the step of passivating is executed at the room temperature to 400 degrees Celsius.
11. The method according to claim 1, wherein the step of passivating is executed for 1 to 30 minutes.
12. The method according to claim 1, wherein the step of passivating comprises the steps of:
providing silane, nitrous oxide and methane as gradients of the SiCNO:Ar plasma; and
providing argon as a carrier.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A light structure, comprising:
a light having a light emitting end and defining a width;
a gripping mechanism attached to the light, the a gripping mechanism configured to grip apparel, and the gripping mechanism defining a gripping location where apparel is gripped; and
a headband comprising a mounting structure to which the gripping mechanism may be attached.
2. The light structure of claim 1, wherein the gripping structure comprises a pair of arms that are biased together.
3. The light structure of claim 2, wherein the mounting structure comprises a slot into which one of the arms may be inserted.
4. The light structure of claim 3, wherein the other arm closes on the outside of the mounting structure to grip the light in position when the one arm is inserted in the slot.
5. The light structure of claim 2, wherein the arms include teeth along an inner surface.
6. The light structure of claim 5, wherein the teeth comprise rows of teeth, and wherein rows of teeth on one arm are offset relative to rows of teeth on the other arm.
7. The light structure of claim 1, further comprising a power supply located remote from the light and attached by a cord to the light.
8. The light structure of claim 7, wherein the power supply comprises a battery pack.
9. The light structure of claim 8, wherein the battery pack comprises a clip for attaching to apparel.
10. The light structure of claim 9, wherein the battery pack comprises a cord wrap about its outer perimeter.
11. The light structure of claim 1, wherein the light is rotatably attached to the gripping mechanism.
12. The light structure of claim 11, wherein the light is configured so that it is turned on by rotation of a bezel on the outside of the light, and wherein a force required to rotate the bezel is less than a force required to rotate the light relative to the gripping mechanism.
13. The light structure of claim 11, wherein the light is pivotally attached to the gripping mechanism.
14. The light structure of claim 1, wherein the light is pivotally attached to the gripping mechanism.
15. The light structure of claim 14, wherein the width of the light is greater than, or substantially equal to, the distance between the light emitting end and the gripping location.
16. The light structure of claim 1, wherein the width of the light is greater than, or substantially equal to, the distance between the light emitting end and the gripping location.
17. A light structure comprising:
a light having a light emitting end and defining a width; and
a gripping mechanism attached to the light, the a gripping mechanism configured to grip apparel, and the gripping mechanism defining a gripping location where apparel is gripped;
wherein the width of the light is greater than, or substantially equal to, the distance between the light emitting end and the gripping location.
18. The light structure of claim 17, wherein the gripping structure comprises a pair of arms that are biased together.
19. The light structure of claim 18, wherein the arms include teeth along an inner surface.
20. The light structure of claim 19, wherein the teeth comprise rows of teeth, and wherein rows of teeth on one arm are offset relative to rows of teeth on the other arm.
21. The light structure of claim 17, further comprising a power supply located remote from the light and attached by a cord to the light.
22. The light structure of claim 21, wherein the power supply comprises a battery pack.
23. The light structure of claim 22, wherein the battery pack comprises a clip for attaching to apparel.
24. The light structure of claim 22, wherein the battery pack comprises a cord wrap about its outer perimeter.
25. The light structure of claim 17, wherein the light is rotatably attached to the gripping mechanism.
26. The light structure of claim 25, wherein the light is configured so that it is turned on by rotation of a bezel on the outside of the light, and wherein a force required to rotate the bezel is less than a force required to rotate the light relative to the gripping mechanism.
27. The light structure of claim 25, wherein the light is pivotally attached to the gripping mechanism.
28. The light structure of claim 17, wherein the light is pivotally attached to the gripping mechanism.
29. A light structure, comprising:
a light;
a bezel mounted on the light;
a gripping mechanism attached to the light, the a gripping mechanism configured to grip apparel, the gripping mechanism being rotatably mounted relative to the light; and
a switch connected with the light and the bezel wherein the light is turned on by rotation of the bezel;
wherein a force required to rotate the bezel is less than a force required to rotate the light relative to the gripping mechanism.