Author: claimsbot

1. A method for writing information to a magnetic memory device comprising a first magnetization pinned layer whose magnetization direction is pinned, a first dielectric layer, a magnetic recording layer whose magnetization direction is reversible, a second dielectric layer, and a second magnetization pinned layer whose magnetization direction is pinned, the method comprising:
supplying a spin current through the first or second magnetization pinned layer to the magnetic recording layer; and
applying a current magnetic field to the magnetic recording layer by allowing a current to flow in a writing wire.

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 stump shearing device for mounting on an excavator bucket and cutting a stump, comprising a blade assembly carried by the excavator bucket, said blade assembly comprising a blade backplate engaging the excavator bucket; a shearing blade provided on said blade backplate and a wedge blade provided on said blade backplate adjacent to said shearing blade, wherein said wedge blade and said shearing blade cut the stump responsive to operation of the excavator bucket.
2. The stump shearing device of claim 1 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
3. The stump shearing device of claim 1 wherein the excavator bucket includes a bucket thumb and comprising a blade mount drum carried by said blade backplate for releasably receiving the bucket thumb and removably mounting said blade assembly on the excavator bucket.
4. The stump shearing device of claim 3 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
5. The stump shearing device of claim 3 comprising at least two blade mounts provided on said blade backplate and said blade mount drum in spaced-apart relationship with respect to each other for receiving the excavator bucket and stabilizing said blade assembly on the excavator bucket.
6. The stump shearing device of claim 5 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
7. The stump shearing device of claim 5 wherein the excavator bucket has teeth and wherein at least one of the teeth of the excavator bucket projects between said blade mounts.
8. The stump shearing device of claim 7 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
9. The stump shearing device of claim 1 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade assembly on the excavator bucket.
10. The stump shearing device of claim 9 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
11. The stump shearing device of claim 9 wherein the excavator bucket includes a bucket thumb and comprising a blade mount drum carried by said blade backplate for releasably receiving the bucket thumb and removably mounting said blade assembly on the excavator bucket.
12. The stump shearing device of claim 11 comprising at least two blade mounts provided on said blade backplate and said blade mount drum in spaced-apart relationship with respect to each other for receiving the excavator bucket and stabilizing said blade assembly on the excavator bucket.
13. The stump shearing device of claim 12 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
14. The stump shearing device of claim 13 wherein the excavator bucket has teeth and wherein at least one of the teeth of the excavator bucket projects between said blade mounts.
15. The stump shearing device of claim 1 comprising at least two mount blocks provided on said blade backplate for receiving the excavator bucket and stabilizing said blade assembly on the excavator bucket.
16. The stump shearing device of claim 15 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade assembly on the excavator bucket.
17. The stump shearing device of claim 15 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
18. The stump shearing device of claim 15 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade assembly on the excavator bucket and wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
19. The stump shearing device of claim 15 comprising block bolts threaded through said mount blocks and spacer blocks disposed on the excavator bucket beneath said mount blocks for receiving said block bolts and stabilizing said blade assembly on the excavator bucket responsive to tightening of said block bolts against said spacer blocks.
20. The stump shearing device of claim 19 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade assembly on the excavator bucket.
21. The stump shearing device of claim 19 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
22. The stump shearing device of claim 19 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade assembly on the excavator bucket and wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
23. A stump shearing device for mounting on the excavator bucket of an excavator and shearing a stump, comprising a blade backplate disposed for insertion against the excavator bucket; a shearing blade carried by said blade backplate; a wedge blade carried by said blade backplate adjacent to said shearing blade; and at least two mount blocks provided on said blade backplate for engaging the excavator bucket and stabilizing said blade assembly on the excavator bucket responsive to said shearing of the stump by operation of the excavator and the excavator bucket.
24. The stump shearing device of claim 23 wherein the excavator bucket has teeth and wherein the teeth of the excavator bucket project between said mount blocks.
25. The stump shearing device of claim 24 comprising a connecting mechanism carried by said blade backplate, said connecting mechanism connected to the excavator bucket for securing said blade backplate on the excavator bucket.
26. The stump shearing device of claim 25 wherein said shearing blade is tapered.
27. The stump shearing device of claim 26 comprising block bolts threaded through said mount blocks and spacer blocks disposed on the excavator bucket beneath said mount blocks for receiving said block bolts and stabilizing said blade assembly on the excavator bucket responsive to tightening of said block bolts against said spacer blocks.
28. A stump shearing device for mounting on an excavator bucket arm and operating linkage and cutting stumps responsive to operation of the excavator bucket arm, said stump shearing device comprising a blade assembly apparatus characterized by a blade mount box for mounting on the bucket arm and operating linkage, and a blade assembly characterized by a shearing blade carried by said blade mount box for shearing the stump and a wedge blade carried by said blade mount box adjacent to said shearing blade for splitting the stump.
29. The stump shearing device of claim 28 comprising a blade backplate extending from said blade mount box and wherein said shearing blade is tapered from a maximum length on said blade backplate at said wedge blade to a minimum length spaced-apart from said wedge blade.
30. The stump shearing device of claim 28 comprising box openings provided on said blade mount box and pins extending through said box openings, the bucket arm and the operating linkage for removably securing said blade mount box and said blade assembly on the bucket arm and operating linkage.
31. The stump shearing device of claim 30 wherein said shearing blade is oriented in transverse relationship with respect to said wedge blade and said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
32. The stump shearing device of claim 28 comprising a blade backplate extending from said blade mount box and wherein said shearing blade and said wedge blade are fixed to said blade backplate.
33. The stump shearing device of claim 32 wherein said shearing blade is oriented in transverse relationship with respect to said wedge blade and said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
34. The stump shearing device of claim 32 comprising box openings provided on said blade mount box and pins extending through said box openings, the bucket arm and the operating linkage for removably securing said blade mount box and said blade assembly on the bucket arm and operating linkage.
35. The stump shearing device of claim 32 wherein said shearing blade projects beyond the plane of said blade box, said shearing blade is oriented in transverse relationship with respect to said wedge blade and said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade, and comprising panel bosses provided on said blade mount box and pins extending through said panel bosses, the bucket arm and the operating linkage for removably securing said blade mount box and said blade assembly on the bucket arm and operating linkage.
36. A stump shearing device for mounting on an excavator bucket arm and operating linkage, and shearing stumps responsive to operation of the excavator bucket arm, said stump shearing device comprising a blade mount box for mounting on the bucket arm, a shearing blade carried by said blade mount box for shearing the stump and a wedge blade carried by said blade mount box substantially transverse to said shearing blade for splitting the stump.
37. The stump shearing device of claim 36 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
38. The stump shearing device of claim 36 comprising box openings provided on said blade mount box and pins extending through said box openings, the bucket arm and the operating linkage for removably securing said blade mount box, said shearing blade and said wedge blade on the bucket arm and operating linkage.
39. The stump shearing device of claim 38 comprising a blade backplate extending from said blade mount box and wherein said shearing blade and said wedge blade are fixed to said blade backplate.
40. The stump shearing device of claim 36 wherein said shearing blade projects beyond the plane of said blade mount box.
41. The stump shearing device of claim 39 wherein:
(a) said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade; and
(b) said shearing blade projects beyond the plane of said blade mount box.
42. The stump shearing device of claim 41 comprising panel bosses provided on said blade mount box at said box openings and pins extending through said panel bosses and said box openings, the bucket arm and the operating linkage for removably securing said blade mount box, said shearing blade and said wedge blade on the bucket arm and operating linkage.
43. The stump shearing device of claim 39 wherein the bucket arm and operating linkage are fitted with a pin coupler and the pin coupler removably engages said pins for selectively mounting said blade mount box and said blade assembly on the bucket arm and operating linkage.
44. The stump shearing device of claim 36 comprising oppositely-disposed slots provided in said blade mount box and pins provided on the excavator bucket arm and the operating linkage for removably engaging said slots and selectively mounting said blade mount box, said shearing blade and said wedge blade on the bucket arm and operating linkage.
45. A stump shearing device for mounting on an excavator bucket arm and operating linkage having a pin coupler, said stump shearing device comprising a blade mount; a pair of mount pins provided on said blade mount for receiving the pin coupler; a shearing blade carried by said blade mount; and a wedge blade carried by said blade mount adjacent to said shearing blade, for splitting the stump responsive to operation of the excavator bucket arm.
46. The stump shearing device of claim 45 wherein said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade.
47. The stump shearing device of claim 45 comprising a blade backplate extending from said blade mount box and wherein said shearing blade and said wedge blade are fixed to said blade backplate.
48. The stump shearing device of claim 47 wherein:
(a) said shearing blade is tapered from a maximum length at said wedge blade to a minimum length spaced-apart from said wedge blade; and
(b) said shearing blade projects beyond the plane of said blade mount.
49. A stump shearing device for mounting on an excavator bucket and cutting a stump, comprising a blade assembly characterized by a blade backplate; a shearing blade provided on one end of said blade backplate; a wedge blade provided on said blade backplate adjacent to said shearing blade; a pad plate fixed to said blade backplate, said pad plate disposed in angular relationship with respect to said blade backplate; a pad wedge fixed to the excavator bucket, said pad wedge engaging said pad plate; and at least one plate connecting mechanism carried by said pad wedge, said pad connecting mechanism removably engaging said pad plate, for removably securing said blade assembly and said pad plate on the pad wedge, wherein said wedge blade and said shearing blade cut the stump responsive to operation of the excavator bucket.
50. The stump shearing device of claim 49 wherein said plate connecting mechanism comprises a pair of bolts mounted in articulating relationship on said pad wedge for selective engagement with said pad plate.

1. A method for manufacturing a nitride semiconductor device, comprising forming a p-type nitride semiconductor layers on a substrate, from an organic metal compound as a group III element source material, ammonia and a hydrazine derivative as group V element source materials, and a Mg source material gas as a p-type impurity source material, wherein flow velocity of the source material gases comprising the group III element source material, the group V element source materials, and the p-type impurity source material is more than 0.2 msec.
2. A method for manufacturing a nitride semiconductor device, comprising:
forming a first p-type nitride semiconductor layers on a substrate, from an organic metal compound as a group III element source material, ammonia as a group V element source material, and a p-type impurity source material; and
forming a second p-type nitride semiconductor layer on the first p-type nitride semiconductor layer, from an organic metal compound as a group III element source material, ammonia and a hydrazine derivative as group V element source materials, and a Mg source material gas as a p-type impurity source material, wherein, in forming the second p-type nitride semiconductor layer, flow velocity of the source material gases comprising the group III element source material, the group V element source materials, and the p-type impurity source material is more than 0.2 msec.
3. The method for manufacturing a nitride semiconductor device according to claim 2, wherein
the first p-type nitride semiconductor layer is AlGaN, and
the second p-type nitride semiconductor layer is GaN.
4. A method for manufacturing a nitride semiconductor device, comprising:
forming an n-type cladding layer on a substrate;
forming an active layer on the n-type cladding layer;
forming a p-type cladding layer on the active layer, from an organic metal compound as a group III element source material, ammonia as a group V element source material, and a p-type impurity source material; and
forming a p-type contact layer on the p-type cladding layer, from an organic metal compound as a group III element source material, ammonia and a hydrazine derivative as group V element source materials, and a Mg source material gas as a p-type impurity source material, wherein, in forming the p-type contact layer, flow velocity of the source material gases comprising the group III element source material, the group V element source materials, and the p-type impurity source material is more than 0.2 msec.
5. The method for manufacturing a nitride semiconductor device according to claim 4, wherein
the p-type cladding layer is AlGaN, and
the p-type contact layer is GaN.
6. The method for manufacturing a nitride semiconductor device according to claim 1, wherein the group V element source material, and the p-type impurity source material are separately introduced near the substrate.

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 method of forming at least a portion of a golf ball core which comprises:
mixing a resilient polymer component, a free-radical initiator, a crosslinking agent, and a reinforcing polymer component to provide an uncrosslinked first mixture having a rigidity as determined by a flexural modulus greater than about 3.5 MPa;
forming the first mixture into a plurality of shells in a desired shape, wherein the reinforcing polymer component imparts sufficient rigidity to the shells to maintain the desired shape until the first mixture is crosslinked;
providing a center;
assembling at least two shells concentrically about the center to form a first mantle layer, wherein the first mantle layer and center together form a ball core; and
applying sufficient heat and pressure to the core for a time sufficient to at least partially crosslink the first mixture in the shells, thereby curing at least a portion of the golf ball core.
2. The method of claim 1, wherein the first mixture is formed into an ellipsoidal shape.
3. The method of claim 1, which further comprises selecting the resilient polymer component to have a molecular weight average of between about 50,000 to 1,000,000.
4. The method of claim 1, which further comprises selecting the reinforcing polymer component to have a crystalline melting temperature between 35 C. to 120 C.
5. The method of claim 1, wherein the first mixture is formed into a plurality of shells by injection molding.
6. The method of claim 1, wherein the desired shape is provided by compression molding the first mixture.
7. The method of claim 1, wherein golf ball core has a midpoint and the center of the core is disposed within about 0.5 mm from the midpoint.
8. The method of claim 1, which further comprises adjusting the flexural modulus of the uncrosslinked first mixture to at least about 7 MPa.
9. The method of claim 1, which further comprises adjusting a loss tangent of the uncrosslinked first mixture to less than about 0.15 at 60 C. and less than about 0.05 at 30 C, and adjusting the tensile storage modulus to greater than about 100 MPa at 60 C. and greater than about 50 MPa at 30 C., each when measured at 1 Hz and one percent strain.
10. The method of claim 1, wherein the melting temperature and the crosslinking temperature are selected to differ by about 60 C. to 160 C.
11. The method of claim 1, wherein the core is selected to comprise a center including surrounding elastic windings, a solid center, or a liquid center.
12. The method of claim 1, which further comprises forming at least one additional layer about the center prior to assembling the shells concentrically about the center, is after assembling the shells concentrically about the center, or after heating the core.
13. The method of claim 12, wherein the additional layer is formed around the core after heating the core to provide a cover disposed concentrically about the golf ball core.
14. An elastomeric composition comprising a blend of:
a resilient polymer component of at least one polybutadiene having a high molecular weight average and a 1,4-cis content of greater than about 50 weight percent;
a free-radical initiator; and
an amount of reinforcing polymer component having a sufficiently low viscosity at a mixing temperature to facilitate mixing of the reinforcing polymer component with the resilient polymer component and having a crystalline melting point sufficiently low to facilitate the mixing while avoiding substantial crosslinking, wherein the uncrosslinked composition has a flexural modulus of greater than about 3.5 MPa.
15. The composition of claim 14, further comprising a crosslinking agent in an amount sufficient to increase crosslinking between the polymer components.
16. An ellipsoidal article comprising the composition of claim 14.
17. The composition of claim 14, wherein the resilient polymer component has a molecular weight from about 50,000 to 1,000,000.
18. The composition of claim 17, wherein the molecular weight average of the resilient polymer component is from about 250,000 to 750,000.
19. The composition of claim 14, wherein the free-radical initiator is an organic peroxide.
20. The composition of claim 14, wherein the reinforcing polymer component comprises a block copolymer etherester, an acrylic polyol, a transpolyisoprene, a transpolybutadiene, a 1,2-polybutadiene, an ethylene-vinyl acetate copolymer, a polyethylene or copolymer thereof, or a cyclooctene.
21. The composition of claim 14, further comprising a crosslinking agent which includes a metallic salt selected from the group consisting of an unsaturated fatty acid, a monocarboxylic acid, and mixtures thereof.
22. The composition of claim 14, wherein the reinforcing polymer component is present in an amount of about 1 to 40 weight percent of the resilient and reinforcing polymer components.
23. A multi-layer golf ball comprising:
a core comprising:
a center;
a mantle comprising at least one layer, the layer comprising a blend of a reinforcing polymer component and an uncrosslinked resilient polymer component, wherein the mantle is disposed concentrically adjacent the center; and

at least one cover layer disposed concentrically adjacent the mantle and outwardly thereof, wherein the uncrosslinked mantle layer is sufficiently rigid to inhibit the resilient polymer component from substantially altering shape prior to crosslinking.
24. The ball of claim 23, wherein the resilient polymer component of the core comprises polybutadiene, natural rubber, polyisoprene, styrene-butadiene, or styrene-propylene-diene rubber.
25. The ball of claim 24, wherein the resilient polymer component is 1,4-cis-polybutadiene having a 1,4-cis content of greater than about 50 weight percent.
26. The ball of claim 25, wherein the resilient polymer component comprises a high molecular weight average 1,4-cis-polybutadiene.
27. The ball of claim 26, wherein the resilient polymer component comprises 1,4-cis-polybutadiene having a molecular weight average of about 50,000 to 1,000,000.
28. The ball of claim 23, wherein the amount of resilient polymer component is between about 60 to 99 weight percent of the total weight of polymer components.
29. The ball of claim 23, further comprising at least one of a filler, a free-radical initiator, or a crosslinking agent.
30. The ball of claim 29, wherein the filler comprises masterbatch red, zinc oxide, tin oxide, barium sulfate, zinc sulfate, calcium carbonate, barium carbonate, clay, tungsten, tungsten carbide, a silica, ground rubber, or trimethyl-tripropane present in an amount from about 0.5 to 50 weight percent of the mantle.
31. The ball of claim 29, wherein the free-radical initiator is an organic peroxide.
32. The ball of claim 29, wherein the crosslinking agent comprises a metallic salt selected from the group consisting of an unsaturated fatty acid, a monocarboxylic acid, and mixtures thereof.
33. The ball of claim 23, wherein the uncrosslinked mantle layer has a flexural modulus of greater than about 3.5 MPa.