All The Claims

1. A vertical axis wind turbine comprising:
a stationary circular core,
a rotor rotatably supported about the stationary core and having a radially extending rotor arm, and
a wind engaging blade located at a distal end of the radially extending rotor arm, the blade comprising at least first and second straight blade sections of which at least the first straight blade section is inclined obliquely at a first angle.
2. The vertical axis wind turbine of claim 1 wherein the second straight blade section is vertical.
3. The vertical axis wind turbine of claim 2 further including a third straight blade section inclined obliquely at a second angle, the second angle being complementary to the first angle.
4. The vertical axis wind turbine of claim 1 wherein the second straight blade section is inclined obliquely at a second angle, the second angle being complementary to the first angle.
5. The vertical axis wind turbine of claim 1 wherein
the rotor further comprises a tubular carousel structure located and freely rotatable about the core,
the carousel has an upper end and a lower end,
the rotor extends radially from the carousel at a location between the upper and lower ends, and
the first straight blade section is affixed at a proximal end to the upper end of the carousel and is affixed at a distal end proximate the distal end of the rotor arm.
6. The vertical axis wind turbine of claim 1 wherein
the rotor has an upper radially extending rotor arm and a lower radially extending rotor arm, and
the first straight blade section is affixed at a proximal end to a proximal end of the upper radially extending rotor arm and is affixed at a distal end proximate a distal end of the lower radially extending rotor arm.
7. The vertical axis wind turbine of claim 1 wherein each of the first and second straight blade sections is straight between its ends and has an aerofoil shape in cross section.
8. The vertical axis wind turbine of claim 1 wherein at least one of the first and second straight blade sections includes a flap member extendable to disrupt airflow across the blade.
9. The shaftless wind turbine of claim 1 wherein the rotor is mechanically connected to an electric generator.
10. The shaftless wind turbine of claim 9 wherein the rotor is drivably connected to the electric generator via a pair of cooperating gears turning a torque transmission shaft, the torque transmission shaft including an axially movable splined coupling and a pivoting universal joint.
11. A vertical axis wind turbine comprising:
a stationary circular hollow core,
a rotor rotatably supported about the stationary core and having a radially extending rotor arm and a wind engaging blade located at a distal end of the radially extending rotor arm,
an electric generator set located with the stationary core, and
a torque transmission system for transferring rotational torque of the rotor to the generator set, the torque transmission system including a pair of cooperating gears driving a torque transmission shaft coupled to the generator set, wherein the torque transmission shaft includes an axially movable coupling and a pivoting coupling.
12. The vertical axis wind turbine of claim 11 wherein the pair of cooperating gears comprises a ring gear surrounding the core and movable by the rotor, and a pinion gear located on an end of the torque transmission shaft.
13. The vertical axis wind turbine of claim 11 wherein the torque transmission shaft is vertically disposed and biased for positive engagement of the pinion with the ring gear.
14. The vertical axis wind turbine of claim 11 wherein the axially movable coupling is a splined coupling.
15. The vertical axis wind turbine of claim 11 wherein the pivoting coupling is a universal or gimbal joint.

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 collapsible container, comprising:
a plurality of adjacent side panels, each of said side panels having a flexible frame and a web having a perimeter secured to said frame, each of said side panels having a bottom side, a top side and two lateral sides, each of said lateral sides of each side panel being attached to the lateral side of an adjacent side panel;
a flexible floor panel having a plurality of sides, each of said floor panel sides being attached to at least one of said side panel bottom sides; and
a partition panel pivotally secured to an interior portion of said container.
2. The container of claim 1, further comprising a flexible top panel having sides, each of said top panel sides being attached to at least one of said side panel top sides, and an opening in at least one of said plurality of side panels, said top panel and said floor panel through which articles can be place in and removed from said container.
3. The container of claim 1, wherein said partition panel has an edge attached to said interior portion.
4. The container of claim 1, wherein said partition panel has an edge affixed to an intersection of sides of adjacent side panels.
5. The container of claim 1, wherein said partition panel has a size and shape substantially identical to one of said side panels.
6. The container of claim 1, wherein said partition panel has a size and shape substantially identical to said floor panel.
7. The container of claim 6, wherein said partition panel have an edge secured along an intersection of a side panel and the floor panel.
8. The container of claim 1, wherein said partition panel has a construction substantial identical to on of said side panels.
9. The collapsible container of claim 1, further comprising a storage pouch, said storage pouch being coupled to one of said side panels.
10. The container of claim 9, wherein one of said side panels defines a boundary of said storage pouch.
11. The container of claim 9, wherein said storage pouch is disposed within said container.
12. The container of claim 9, wherein said storage pouch is disposed exterior of said container.
13. The container of claim 1, further comprising at least one handle secured to at least one of said side panels.
14. The container of claim 1, in combination with an elastic band for holding said container in a collapsed condition.
15. The container of claim 1, wherein said side panels are substantially rectangular.
16. The container of claim 1, wherein said plurality of side panels consists of four.
17. The container of claim 1, wherein said plurality of side panels is an even number.
18. The container of claim 1, wherein each web of said side panels has a perimeter, an edging attached to the perimeter of the web and forming a pocket, the frame being positioned within the pocket.
19. The collapsible container of claim 1, wherein said web of each of said side panels is flexible web of material.
20. The collapsible container of claim 1, wherein said frame of each of said side panels is flexible.

1. A method for making a mask from a substrate having at least two layers of attenuating material and an opaque layer comprising:
etching the substrate to form at least one completely transmissive region and at least one slightly attenuated region using a second patterned resist over said substrate for etching the substrate to form at least one highly attenuated region.
2. A mask fabricated from a substrate comprising:
a first and second plurality of isolated completely transmissive regions;
a plurality of slightly attenuated regions, each of said plurality of slightly attenuated regions formed at an edge defining one of the first plurality of isolated completely transmissive regions; and
a plurality of highly attenuated regions, each of said plurality of highly attenuated regions being formed at an edge defining one of the second plurality of isolated completely transmissive regions, said plurality of highly attenuated regions comprising a first layer of attenuating material, a layer of etch stop material, and a second layer of attenuating material.
3. A method for fabricating a mask on a substrate comprising:
forming a first layer of attenuating material over a portion of the substrate, another layer of material over a portion of the first layer, a second layer of attenuating material over a portion of the another layer of material, and forming an opaque layer over a portion of the second layer of attenuating material;
etching the substrate to form at least one completely transmissive region and to form at least one slightly attenuated region, the etching including forming a patterned resist over the substrate; and
etching the substrate to form at least one highly attenuated region.
4. The method according to claim 3, wherein etching the substrate to form the at least one completely transmissive region comprises forming a first patterned resist over the opaque layer of the substrate and etching the substrate to form a plurality of isolated completely transmissive regions and a plurality of closely spaced completely transmissive regions.
5. The method according to claim 4, wherein etching the substrate to form the at least one slightly attenuated region comprises removing portions of the opaque layer and the second layer of attenuating material to form a plurality of slightly attenuated regions, each of the plurality of slightly attenuated regions being positioned at an edge defining one of the plurality of isolated completely transmissive regions.
6. The method according to claim 4, wherein etching the substrate to form the at least one highly attenuated region comprises removing portions of the opaque layer to form a plurality of highly attenuated regions, each of the plurality of highly attenuated regions being positioned at an edge defining one of the plurality of closely spaced completely transmissive regions.
7. The method according to claim 6, wherein etching the substrate to form the plurality of highly attenuated regions comprises forming a third patterned resist over the substrate.
8. The method according to claim 3, wherein the another layer of material comprises an etch stop layer between the first layer of attenuating material and the second layer of attenuating material.
9. The method according to claim 8, wherein etching the substrate to form the at least one completely transmissive region comprises forming a first patterned resist over the opaque layer of the substrate and etching the substrate to form a plurality of isolated completely transmissive regions and a plurality of closely spaced completely transmissive regions.
10. The method according to claim 3, wherein etching the substrate to form the at least one slightly attenuated region comprises removing portions of the opaque layer and the second layer of attenuating material in a single etch step to form a plurality of slightly attenuated regions, each of the plurality of slightly attenuated regions being positioned at an edge defining one of the plurality of isolated completely transmissive regions.
11. The method according to claim 10, wherein etching the substrate to form the at least one highly attenuated region comprises removing portions of the opaque layer to form a plurality of highly attenuated regions, each of the plurality of highly attenuated regions being positioned at an edge defining one of the plurality of closely spaced completely transmissive regions.
12. The method according to claim 10, wherein etching the substrate to form the plurality of highly attenuated regions comprises forming a third patterned resist over the substrate.
13. An attenuated phase shift mask for a substrate comprising:
forming a plurality of isolated completely transmissive regions and a plurality of other regions on the substrate, a plurality of slightly attenuated regions, each of the plurality of slightly attenuated regions being formed at an edge defining one of the plurality of isolated completely transmissive regions on the substrate, the plurality of slightly attenuated regions comprising a layer of a first material and a layer of a second material, and a plurality of completely transmissive regions on the substrate; forming a plurality of highly attenuated regions, each of the plurality of highly attenuated regions being formed at an edge defining one of the plurality of isolated completely transmissive regions, the plurality of highly attenuated regions comprising a first layer of attenuating material, a layer of etch stop material, and a second layer of attenuating material on the substrate.
14. The phase shift mask of claim 13, further comprising a plurality of opaque regions comprising chromium.
15. The phase shift mask of claim 13, wherein the transparent substrate comprises a material of quartz, fused silica, and glass.
16. The phase shift mask of claim 13, wherein the plurality of slightly attenuated regions comprise a layer of attenuating material comprising chromium oxynitride and chromium fluoride.
17. The phase shift mask of claim 13, wherein the first layer of attenuating material is selected from a group comprising chromium oxynitride and chromium fluoride and the second layer of attenuating material comprises molybdenum silicide oxynitride.
18. The phase shift mask of claim 13, wherein the first material and the second material of the plurality of slightly attenuated regions consists of a layer of attenuating material and a layer of etch stop material.
19. The phase shift mask of claim 19, wherein the layer of attenuating material comprises chromium oxynitride and chromium fluoride and the layer of etch stop material comprises at least some silicon dioxide.
20. The phase shift mask of claim 13, wherein the first layer of attenuating material comprises chromium oxynitride and chromium fluoride, the layer of etch stop material comprises at least some silicon dioxide, and the second layer of attenuating material comprises molybdenum silicide oxynitride.

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 nozzle, comprising:
a housing; and
an assembly including at least two deformable conjugated parts separated by a spacer seal, the assembly being arranged in the housing so as to form a nozzle outlet, the housing and the parts and the spacer seal being deformable so as to define a geometry of the nozzle outlet and seal surfaces between the parts and the spacer seal and between the parts and the housing;
wherein the parts and the spacer seal are configured so that an assembly force needed for inserting the assembly into the housing exceeds a force that deforms the housing and the assembly, and wherein the parts and the housing are deformed by the assembly force when assembled together to create a seal between the housing and the assembly and between the parts and the spacer seal and to provide a desired nozzle outlet geometry.
2. A nozzle according to claim 1, wherein the housing is cylindrical, the parts are circle segments, and the spacer seal is rectangular.
3. A nozzle according to claim 2, and further comprising a deformable ring arranged between an inner shoulder of the housing and the assembly so as to seal the outlet of the nozzle.
4. A nozzle according to claim 2, wherein a plurality of conjugated parts and spacer seals are arranged in a sequence so as to form parallel openings.
5. A nozzle according to claim 4, wherein the assembly is configured to form several streams that focus at a common point.
6. A nozzle according to claim 1, wherein the housing has a rectangular internal cross-sectional shape.
7. A nozzle according to claim 1, wherein the nozzle outlet has a zig-zag shape.
8. A nozzle according to claim 1, wherein the nozzle outlet is discontinuous.
9. A nozzle according to claim 1, wherein the nozzle outlet is formed by openings on alternate opposite sides of a center line.