All The Claims

1. A method of manufacturing a semiconductor light emitting device having a protrusion and recess structure, the method comprising:
forming a lower clad layer on a substrate;
forming an active layer and an upper clad layer on the lower clad layer;
forming a protrusion and recess structural pattern on a portion of the top surface of the upper clad layer by etching a portion of the lower clad layer; and
forming a first electrode on the upper clad layer and forming a second electrode on the protrusion and recess structural pattern of the lower clad layer.
2. The method of claim 1, wherein the forming of the protrusion and recess structural pattern comprises:
exposing the portion of the lower clad layer using a first etching process; and
forming the protrusion and recess structural using a second etching process.
3. The method of claim 2, wherein the second etching process is one of a dry etching process and a wet etching process.
4. The method of claim 3, wherein the wet etching process is performed using one of an aqueous H3PO4 solution and an aqueous KOH solution.
5. The method of claim 3, wherein the wet etching process is performed in a range of 100 to 300\xb0 C.
6. The method of claim 1, wherein forming of the protrusion and recess structural pattern comprises forming of the protrusion and recess structural pattern all the way around a portion of the lower clad layer occupied by the active 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 method of making a ceramic composition for use in producing a sintered ceramic body, the method comprising contacting a zircon powder with a sintering aid, wherein:
(a) the sintering aid comprises a sol comprising a plurality of suspended TiO2 nanoparticles, and
(b) the zircon powder has an average particle size of from about 3 \u03bcm to about 10 \u03bcm.
2. The method of claim 1, wherein the suspended TiO2 nanoparticles have an average particle size of from about 10 nm to about 200 nm.
3. The method of claim 1, wherein the suspended TiO2 nanoparticles have an average particle size of from about 20 nm to about 80 nm.
4. The method of claim 1, wherein the sintering aid comprises at least one oxide of iron.
5. The method of claim 1, wherein the sintering aid comprises from about 0.01 wt. % to about 2 wt. %.
6. The method of claim 1, wherein the sintering aid comprises from about 0.01 wt. % to about 0.5 wt. %.
7. The method of claim 1, wherein the contacting comprises a spray drying technique.
8. The method of claim 1, wherein, after contacting, the zircon powder is substantially uniformly coated with the sintering aid.
9. The method of claim 1, further comprising, after contacting, forming the contacted zircon powder and sintering aid into a desired shape.
10. The method of claim 9, further comprising firing the desired shape at a time and temperature sufficient to form a ceramic body.
11. The method of claim 10 wherein the ceramic body has a creep rate of less than 1\xd710\u22126hr at 1,180\xb0 C. and 1000 psi.
12. A method of making a ceramic composition for use in producing a sintered ceramic body, the method comprising contacting a zircon powder with a sintering aid, wherein:
(a) the sintering aid comprises titanium isopropoxide in isopropyl alcohol, and
(b) the zircon powder has an average particle size of from about 3 \u03bcm to about 10 \u03bcm.
13. The method of claim 12, wherein the sintering aid comprises at least one oxide of iron.
14. The method of claim 12, wherein the sintering aid comprises from about 0.01 wt. % to about 2 wt. %.
15. The method of claim 12, wherein the sintering aid comprises from about 0.01 wt. % to about 0.5 wt. %.
16. The method of claim 12, wherein the contacting comprises a spray drying technique.
17. The method of claim 12, wherein, after contacting, the zircon powder is substantially uniformly coated with the sintering aid.
18. The method of claim 12, further comprising, after contacting, forming the contacted zircon powder and sintering aid into a desired shape.
19. The method of claim 18, further comprising firing the desired shape at a time and temperature sufficient to form a ceramic body.
20. The method of claim 19 wherein the ceramic body has a creep rate of less than 1\xd710\u22126hr at 1,180\xb0 C. and 1000 psi.
21. A method for making a ceramic body comprising:
(a) forming a ceramic composition into a desired shape, and
(b) firing the desired shape at a time and temperature sufficient to form a ceramic body, wherein:
(i) the ceramic composition comprises a zircon powder which has an average particle size of from about 3 \u03bcm to about 10 \u03bcm,
(ii) the zircon powder is coated with a sintering aid which at the time of the coating comprises a sol comprising a plurality of suspended TiO2 nanoparticles, and
(iii) the ceramic body has a creep rate of less than 1\xd710\u22126hr at 1,180\xb0 C. and 1000 psi.
22. The method of claim 21, wherein the forming comprises at least one of an extrusion process, an iso-press process, a slip casting process, or a combination thereof.
23. The method of claim 21, wherein the forming comprises an iso-press process.
24. The method of claim 21, wherein the desired shape comprises an isopipe.
25. The method of claim 21, wherein the firing comprises heating the desired shape at a temperature of from about 1,400\xb0 C. to about 1,650\xb0 C. for a period of from about 1 to about 48 hours.
26. A method for making a ceramic body comprising:
(a) forming a ceramic composition into a desired shape, and
(b) firing the desired shape at a time and temperature sufficient to form a ceramic body, wherein:
(i) the ceramic composition comprises a zircon powder which has an average particle size of from about 3 \u03bcm to about 10 \u03bcm,
(ii) the zircon powder is coated with a sintering aid which at the time of the coating comprises titanium isopropoxide in isopropyl alcohol, and
(iii) the ceramic body has a creep rate of less than 1\xd710\u22126hr at 1,180\xb0 C. and 1000 psi.
27. The method of claim 26, wherein the forming comprises at least one of an extrusion process, an iso-press process, a slip casting process, or a combination thereof.
28. The method of claim 26, wherein the forming comprises an iso-press process.
29. The method of claim 26, wherein the desired shape comprises an isopipe.
30. The method of claim 26, wherein the firing comprises heating the desired shape at a temperature of from about 1,400\xb0 C. to about 1,650\xb0 C. for a period of from about 1 to about 48 hours.

1. A method for managing power consumption in a subscriber station in a wireless communication system, the method comprising:
engaging the subscriber station in sleep mode;
receiving a first burst of a frame;
analyzing the first burst while the subscriber station is in sleep mode to determine if there is a wake up indicator;
directing the subscriber station to exit sleep mode if the wake up indicator is present in the first burst or otherwise maintaining the subscriber station in the sleep mode.

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 bleacher seat module comprising: a seat portion contiguously formed with an upright lumbar and thoracic support portion, the upright lumbar and thoracic support portion having tapered sides and a hollowed indentation.
2. A bleacher seat module of claim 1, wherein the bleacher seat module is ergonomically formed.
3. A bleacher seat module of claim 2, wherein the bleacher seat module is individually, permanently affixed to a bleacher plank.
4. A bleacher seat module of claim 3, wherein the bleacher seat module is sized to provide clearance space.
5. A bleacher seat module of claim 4, wherein the seat portion has a greater width than depth to provide clearance space.
6. A bleacher seat module of claim 5, wherein the tapered sides provide sitting space.
7. A bleacher seat module of claim 6, wherein the hollowed indentation provides sitting space.
8. A bleacher seat module of claim 7, wherein the bleacher seat portion has at least one brace to permanently affix the seat module.
9. A bleacher seat module of claim 8, wherein the bleacher seat module has at least one drainage hole.
10. A bleacher seat module of claim 8, wherein the upright lumbar and thoracic support portion has an indented advertisement holder.
11. A bleacher seat module of claim 8, wherein the upright lumbar and thoracic support portion has a space forming a hole as an advertisement holder or seat number.
12. A bleacher seat module of claim 8, wherein the bleacher seat module further comprises an armrest module.
13. A bleacher seat module of claim 8, wherein the bleacher seat module further comprises a support component.
14. A bleacher seat module comprising a seat portion contiguously formed with an upright lumbar and thoracic support portion, the upright lumbar and thoracic support portion having tapered sides and a hollowed indentation and the seat portion having at least one brace permanently affixable to provide at least twelve inch clearance when aligned in at least a 24 inch row to row spacing.
15. A bleacher seat module of claim 14, wherein the bleacher seat module is ergonomically formed.
16. A bleacher seat module of claim 15, wherein the bleacher seat module is custom sized.
17. A bleacher seat module of claim 16, wherein the bleacher seat module is individually, permanently affixed.
18. A bleacher seat module of claim 17, wherein the seat portion has a greater width than depth to provide clearance space.
19. A bleacher seat module of claim 17, wherein bleacher seat module has at least one drainage hole.
20. A bleacher seat module of claim 17, wherein the upright lumbar and thoracic support portion has an indented advertisement holder.
21. A bleacher seat module of claim 17, wherein the upright lumbar and thoracic support has a space forming a hole as an advertisement holder or seat number.
22. A bleacher seat module of claim 17, wherein the bleacher seat module further comprises an armrest module.
23. A bleacher seat module of claim 17, wherein the bleacher seat module further comprises a brace support component.
24. A bleacher seat module for a bleacher stadium seating arrangement, wherein said bleacher stadium seating arrangement includes a minimum predetermined horizontal clearance distance of at least 24 inches between rows of adjacent seats having a clearance of at least twelve inches in front of and behind each said backless seat plank sufficient for patrons of the bleacher stadium seating arrangement to have egress therefrom without the risk of encroaching upon the clearance space between said respective seats, said seat module comprising a seat portion contiguously formed with an upright lumbar and thoracic support portion and said seat portion having at least one brace permanently affixable to said seat portion, to provide said minimum predetermined horizontal clearance distance when installed in industry standard 24 or 26 inch rows.
25. A bleacher seat module of claim 24, wherein the bleacher seat module is ergonomically formed.
26. A bleacher seat module of claim 24, wherein the bleacher seat module is custom sized.
27. A bleacher seat module of claim 26, wherein the bleacher seat module is individually, permanently affixed.
28. A bleacher seat module of claim 24, wherein the seat portion has a greater width than depth to provide clearance space.
29. A bleacher seat module of claim 24, wherein the seat portion has at least one drainage hole.
30. A bleacher seat module of claim 24, wherein the upright lumbar and thoracic support portion has an indented advertisement holder.
31. A bleacher seat module of claim 24, wherein the upright lumbar and thoracic support portion has a space forming a hole as an advertisement holder.
32. A bleacher seat module of claim 24, wherein the bleacher seat module further comprises an armrest module.
33. A bleacher seat module of claim 24, wherein the bleacher seat module further comprises a brace support component.
34. A bleacher seat module of claim 24, wherein said seat portion has a length coterminous with a predetermined length of the backless bleacher plank.
35. The bleacher seat module as in claim 24, wherein the upright lumbar and thoracic support portion includes tapered sides.
36. The bleacher seat module as in claim 24 wherein the upright lumbar and thoracic support portion includes a hollowed indentation.
37. A bleacher seat mountable on a bench plank comprising in combination:
a bleacher bench plank;
a seat portion adapted for resting on a top surface of said bench plank;
an upright lumbar and thoracic support portion extending up from a rear end of said seat portion;
fasteners in said seat portion for attaching said seat to said bench;
said upright lumbar and thoracic support portion having an enlarged radius of an upper thoracic support region as compared to a smaller radius of a lower lumbar region.
38. A bleacher seat as in claim 37 further comprising said upright lumbar and thoracic support portion having indented side edges, said indented side edges providing knee access to prevent hitting seat back, said upright lumbar and thoracic support from users of a seat sitting behind;
39. The bleacher seat as in claim 39 further comprising an opening within said upright lumbar and thoracic support to provide proper flexure for more comfortable support of the upper thoracic back while the lower lumbar region provides adequate lumbar support, said opening being gently contoured in a kidney shape and framed with a rim angled toward the rear for avoiding any edges which may entangle belts or other accessories.
40. The bleacher seat as in claim 37 further comprising an oval flat recess for attachment of logos, seat numbers, andor other identifying plaque or label.
41. The bleacher seat as in claim 37 further comprising a gusset brace attaching said upright lumbar and thoracic support to said seat portion.
42. The bleacher seat of claim 37 having a downwardly extending front apron for nesting against a front edge of said bench.
43. The bleacher seat of claim 37 further comprising fasteners hidden by snap-in plugs.
44. The bleacher seat of claim 37 further comprising drain holes in said seat portion.
45. The bleacher seat of claim 37 in which said upright lumbar and thoracic support portion has a narrowed waist region for accommodating knees of a person sitting on a bench behind said bleacher seat.
46. The bleacher seat of claim 2 in which said seat portion slopes downward from a front end of said seat portion to said rear end of said seat portion.
47. The bleacher seat of claim 6 in which a recess is formed in a rear surface of said back portion for attachment of an identifying plaque or label.
48. The bleacher seat of claim 37 further comprising a holographic label.
49. A souvenir seat of claim 37 further comprising a stool frame and an attachment fastener attaching said stadium seat to said stool frame.
50. A spectator bleacher seating system providing related sporting events a plurality of bleacher plank rows with individual bleacher seats having predetermined maximum front to back depths providing occupant comfort while conforming to safety aisle egress codes comprising:
a plurality of staggered bleacher plank rows; a floor panel deck for each of said plurality of bleacher plank rows except for a first of said plurality of bleacher plank rows, each floor panel deck being at a fixed height from the un-elevated floor; and at least one bleacher seat in each bleacher plank row and positioned to have a predetermined bleacher seat height,
wherein said at least one bleacher seat includes a back, wherein said rows of bleacher seats are set back from each other a predetermined distance.
each said bleacher seat spaced apart from its respective floor by said fixed height, said fixed height defining a volume between each said bleacher seat and its respective floor
each said bleacher seat including a generally horizontally oriented bleacher seat sitting pan and an upright bleacher seat lumbar support; said bleacher seat pan supported by a post having a predetermined height equal to said fixed height;
said predetermined height of said defined volume comprising a size that is a predetermined minimal height providing unobstructed views board for patrons sitting in a row of bleacher seats;
each bleacher seat sitting pan having a predetermined front to back depth providing occupant comfort while conforming to safety aisle egress codes;
each said bleacher seat lumbar support separated from each adjacent bleacher seat lumbar support in front of or behind said bleacher seat lumbar support by a minimal horizontal distance exceeding said minimal localized volume conforming to a theoretical volume defined by a building code minimal aisle egress clearance between said adjacent bleacher seat lumbar supports extending in a horizontal direction;
said volume formed by said predetermined height and said minimal horizontal distance forming a minimal localized volume conforming to a theoretical volume defined by a building code minimal separation distances between said adjacent bleacher seats backs.
51. A bleacher seat and bleacher plank system comprising:
a bleacher plank having a predetermined front to back distance and an area extending in front of said plank of at least twelve inches;
a bleacher seat permanently affixable to said plank, said bleacher seat including a generally upright lumbar support extending upward from a forwardly extending seat pan, said seat pan having a front to back depth of a predetermined distance without encroaching upon said minimum twelve inch clearance distance in front of said plank.
52. A bleacher seat and bleacher plank system comprising:
a bleacher plank having a predetermined front to back distance and an area extending in front of said plank of at least twelve inches;
a bleacher seat permanently affixable to said plank, said bleacher seat including a generally upright lumbar support extending upward from a forwardly extending seat pan, said seat pan having a front to back depth of a predetermined distance without encroaching upon said minimum twelve inch clearance distance in front of said plank.
said seat pan tilting downward toward the back, thereby giving under-knee support and placing the occupant in a more natural sitting posture;
said seat having a rear with inwardly extending recesses accommodating the knees of an occupant of a bleacher seat behind said bleacher seat with knees of the occupant pointing forward, to prevent the knees of the rear occupant from hitting said upright lumbar support;
said lumbar support having an opening providing increased flexure of said lumbar support above an axis penetrating said opening;
said bleacher seat having a pair of opposite flared gusset braces in a region where said bleacher seat is attached to said bleacher plank; and,
said lumbar support having an upper portion with a radius longer than a predetermined radius of a lower portion thereof, wherein the smaller radius more closely fits the lower lumbar region of the occupant while the larger radius of the upper portion allows the shoulder blades of the occupant to stretch naturally rearward without undue forward pressure; said longer radius of said upper portion flattening the upper thoracic region when compared to the more concave lower region lumbar region of said lumbar support.