1. A system, comprising:
an outer tubular member defining a lumen;
an inner tubular member extending within the lumen of the outer tubular member, the inner tubular member having a sidewall defining an aperture configured to allow a guide wire to pass therethrough, the inner and outer tubular members being configured so that an implantable medical endosprosthesis can be disposed between the inner and outer tubular members;
a support member disposed in a lumen of the inner tubular member, the support member being configured such that at least a portion of the support member can be disposed adjacent the aperture, the support member and the outer tubular member being configured to retract relative to the inner tubular member.
2. The system of claim 1, wherein the aperture is a longitudinally extending elongate slot.
3. The system of claim 2, wherein the elongate slot has a length greater than or equal to a length of an implantable medical endoprosthesis disposed between the outer tubular member and the inner tubular member.
4. The system of claim 1, wherein the inner tubular member is of unitary construction.
5. The system of claim 1, wherein the inner tubular member is formed of one or more metals.
6. The system of claim 1, wherein a portion of the sidewall of the inner tubular member proximal to the aperture defines a plurality of cuts.
7. The system of claim 6, wherein the cuts are in the form of an interrupted spiral.
8. The system of claim 1, wherein a portion of the sidewall of the inner tubular member distal to the aperture defines at least one cut.
9. The system of claim 8, wherein the at least one cut is in the form of a continuous spiral.
10. The system of claim 1, wherein the support member is longitudinally fixed relative to the outer tubular member.
11. The system of claim 10, wherein a distal end portion of the support member is longitudinally fixed relative to the outer tubular member at a location adjacent an opening in a sidewall of the outer tubular member.
12. The system of claim 1, wherein a distal end portion of the support member is shaped to direct a guide wire into the aperture when the guide wire is passed through the lumen of the inner tubular member in a proximal direction.
13. The system of claim 1, wherein the support member is substantially rotationally fixed relative to the inner tubular member.
14. The system of claim 13, wherein at least a portion of the support member has a non-circular cross-section and at least a portion of the lumen of the inner tubular member has a non-circular cross-section.
15. The system of claim 13, wherein the support member comprises a radial projection configured to be received in a longitudinal channel defined by the inner tubular member.
16. The system of claim 1, further comprising a sleeve extending within a distal portion of the inner tubular member and being configured to allow a guide wire to be passed through the sleeve.
17. The system of claim 16, wherein the sleeve comprises a polymer.
18. The system of claim 16, wherein the sleeve is arranged to direct a guide wire into the aperture when the guide wire is passed through the sleeve in a proximal direction.
19. The system of claim 18, wherein the sleeve comprises a proximal portion that extends into the aperture.
20. The system of claim 1, further comprising an implantable medical endoprosthesis disposed between the outer tubular member and the inner tubular member.
21. The system of claim 20, wherein the implantable medical endoprosthesis is a self-expanding implantable medical endoprosthesis.
22. A system, comprising:
an inner tubular member having a sidewall defining an elongate slot, the inner tubular member being formed of one or more metals;
an outer tubular member at least partially surrounding the inner tubular member, the outer tubular member having a sidewall at least partially defining an opening arranged such that a guide wire can be passed through the elongate slot of the inner tubular member and the opening of the outer tubular member, the inner tubular member and the outer tubular member being arranged such that an implantable medical endoprosthesis can be disposed between the inner tubular member and the outer tubular member.
23. The system of claim 22, wherein the elongate slot extends longitudinally along the inner tubular member.
24. The system of claim 23, wherein the elongate slot has a length greater than or equal to a length of an implantable medical endoprosthesis disposed between the outer tubular member and the inner tubular member distal to the elongate slot.
25. The system of claim 22, wherein the inner tubular member is of unitary construction.
26. The system of claim 22, wherein a portion of the sidewall of the inner tubular member proximal to the elongate slot defines a plurality of cuts.
27. The system of claim 26, wherein the cuts are in the form of an interrupted spiral.
28. The system of claim 22, wherein a portion of the sidewall of the inner tubular member distal to the elongate slot defines at least one cut.
29. The system of claim 28, wherein the at least one cut is in the form of a continuous spiral.
30. The system of claim 22, further comprising a support member disposed in a lumen of the inner tubular member, the support member being configured such that at least a portion of the support member can be disposed adjacent the aperture, and the support member being arranged to retract relative to the inner tubular member.
31. The system of claim 30, wherein a distal end portion of the support member is configured to direct a guide wire toward the aperture when the guide wire is passed through a lumen of the inner tubular member in a proximal direction.
32. The system of claim 30, wherein the support member is longitudinally fixed relative to the outer tubular member.
33. The system of claim 32, wherein a distal end portion of the support member is longitudinally fixed relative to the outer tubular member at a location adjacent the opening in the sidewall of the outer tubular member.
34. The system of claim 22, further comprising a sleeve extending within a distal portion of the inner tubular member and being configured to allow a guide wire to be passed through the sleeve.
35. The system of claim 34, wherein the sleeve is arranged to direct a guide wire into the aperture when the guide wire is passed through the sleeve in a proximal direction.
36. The system of claim 22, further comprising an implantable medical endoprosthesis disposed between the inner tubular member and the outer tubular member.
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 composition for forming a low dielectric thin film, comprising a silane polymer, porous nanoparticles and an organic solvent.
2. The composition as set forth in claim 1, further comprising a porogen.
3. The composition as set forth in claim 1, wherein the silane polymer is a siloxane homopolymer prepared by hydrolyzing and polycondensing at least one monomer selected from the group consisting of a multi-reactive cyclic siloxane monomer of Formula 1, an Si monomer having an organic bridge of Formula 2, and a linear alkoxy silane monomer of Formula 3 in an organic solvent in the presence of an acid catalyst or a base catalyst and water; or a siloxane copolymer prepared by hydrolyzing and polycondensing at least two monomers selected from the monomer group of Formulas 1, 2 and 3 in an organic solvent in the presence of an acid catalyst or a base catalyst and water:
wherein R1 is a hydrogen atom, a C1 to C3 alkyl group, or a C6 to C15 aryl group; R2 is a hydrogen atom, a C1 to C10 alkyl group, or SiX1X2X3 (in which X1, X2 and X3 are independently each a hydrogen atom, a C1 to C3 alkyl group, a C1 to C10 alkoxy group, or a halogen atom); and m is an integer from 3 to 8;
wherein R is a hydrogen atom, a C1 to C3 alkyl group, a C3 to C10 cycloalkyl group, or a C6 to C15 aryl group; X1, X2 and X3 are independently each a C1 to C3 alkyl group, a C1 to C10 alkoxy group, or a halogen group; and n is an integer from 3 to 8, and m is an integer from 1 to 10; and
RSiX1X2X3 \u2003\u2003Formula 3
wherein R is a hydrogen atom, a C1 to C3 alkyl group, an alkyl or aryl group containing fluorine, a C3 to C10 cycloalkyl group, or a C6 to C15 aryl group; X1, X2 and X3 are independently each a C1 to C3 alkyl group, a C1 to C10 alkoxy group, or a halogen group.
4. The composition as set forth in claim 1, wherein the silane polymer is a silsesquioxane polymer selected from the group consisting of hydrogen silsesquioxane, alkyl silsesquioxane, aryl silsesquioxane, and copolymers thereof.
5. The composition as set forth in claim 1, wherein the porous nanoparticles are formed of at least one selected from the group consisting of SiO2, Al2O3, B2O3, TiO2, ZrO2, SnO2, CeO2, P2O5, Sb2O3, MoO3, ZnO2, and WO3.
6. The composition as set forth in claim 1, wherein the porous nanoparticles have a diameter of 5-150 nm and have pores with a diameter of 2-10 nm.
7. The composition as set forth in claim 2, wherein the porogen is selected from the group consisting of polycaprolactone, \u03b1-cyclodextrin, \u03b2-cyclodextrin, and \u03b3-cyclodextrin, or is a surfactant selected from the group consisting of sulfates, sulfonates, phosphates, carboxylic acids, alkylammonium salts, Gemini surfactants, cetylethylpiperidinium salts, dialkyldimethylammonium, Brij surfactants, primary amines, poly(oxyethylene)oxide, octaethylene glycol monodecyl ether, octaethylene glycol monohexadecyl ether, octylphenoxypolyethoxy(9-10)ethanol (Triton X-100), and polyethyleneoxide-polypropyleneoxide-polyethyleneoxide triblock copolymers.
8. The composition as set forth in claim 3, wherein the siloxane compound of Formula 1 is a compound according to Formula 4 below and the Si monomer of Formula 2 is a compound according to Formula 5 below:
9. The composition as set forth in claim 2, wherein the composition comprises 1-70 wt % of the silane polymer, 0.1-70 wt % of the porous nanoparticles, 0.1-70 wt % of the porogen based on a weight of a solid content of the composition, and 1-90 wt % of the solvent.
10. The composition as set forth in claim 1, wherein the organic solvent is selected from the group consisting of aliphatic hydrocarbon solvents, aromatic hydrocarbon solvents, ketone-based solvents, ether-based solvents, acetate-based solvents, alcohol-based solvents, amide-based solvents, silicon-based solvents, and mixtures thereof.
11. A composition for forming a low dielectric thin film, comprising a silane monomer, porous nanoparticles, a porogen, an acid catalyst or a base catalyst, and water.
12. The composition as set forth in claim 11, wherein the silane monomer is selected from the group consisting of methyltriethoxysilane, methyltrimethoxysilane, methyltri-n-propoxysilane, phenyltrimethoxysilane, phenyltriethoxysilane, phenyltrichlorosilane, phenyltrifluorosilane, phenethyltrimethoxysilane, methyltrichlorosilane, methyltribromosilane, methyltrifluorosilane, triethoxysilane, trimethoxysilane, trichlorosilane, trifluorosilane, 3,3,3-trifluoropropyl trimethoxysilane, cyanoethyltrimethoxysilane, and tetraethylorthosilicate.
13. The composition as set forth in claim 11, wherein the acid catalyst is selected from the group consisting of hydrochloric acid, nitric acid, benzene sulfonic acid, oxalic acid, formic acid, and mixtures thereof, and the base catalyst is selected from the group consisting of sodium hydroxide, tetramethylammonium hydroxide (TPAOH), potassium hydroxide, and mixtures thereof.
14. The composition as set forth in claim 11, wherein the porous nanoparticles are prepared from a metal precursor, a surfactant, an acid catalyst or a base catalyst, and water, and comprise at least one selected from the group consisting of SiO2, Al2O3, B2O3, TiO2, ZrO2, SnO2, CeO2, P2O5, Sb2O3, MoO3, ZnO2, and WO3.
15. The composition as set forth in claim 11, wherein the porous nanoparticles have a diameter of 5-150 nm, pores of which have a diameter of 2-10 nm.
16. The composition as set forth in claim 11, wherein the porogen is selected from the group consisting of polycaprolactone, \u03b1-cyclodextrin, \u03b2-cyclodextrin, and \u03b3-cyclodextrin, or is a surfactant selected from the group consisting of sulfates, sulfonates, phosphates, carboxylic acids, alkylammonium salts, Gemini surfactants, cetylethylpiperidinium salts, dialkyldimethylammonium, BRij surfactants, primary amines, poly(oxyethylene)oxide, octaethylene glycol monodecyl ether, octaethylene glycol monohexadecyl ether, octylphenoxypolyethoxy(9-10)ethanol (Triton X-100), and polyethyleneoxide-polypropyleneoxide-polyethyleneoxide triblock copolymers.
17. The composition as set forth in claim 14, wherein the surfactant used to prepare the porous nanoparticles is selected from the group consisting of sulfates, sulfonates, phosphates, carboxylic acids, alkylammonium salts, Gemini surfactants, cetylethylpiperidinium salts, dialkyldimethylammonium, Brij surfactants, primary amines, poly(oxyethylene)oxide, octaethylene glycol monodecyl ether, octaethylene glycol monohexadecyl ether, octylphenoxypolyethoxy(9-10)ethanol (Triton X-100), and block copolymers.
18. The composition as set forth in claim 11, wherein the porogen is used in an amount of 0.1-70 wt % based on the weight of the solid content of the composition, and the porous nanoparticles are used in an amount of 0.1-70 wt %.
19. A method of preparing a low dielectric thin film using porous nanoparticles, comprising applying the composition of claim 1 on a substrate and then curing the composition.
20. The method as set forth in claim 19, wherein the applying of the composition is conducted through spin coating, dip coating, spray coating, flow coating, or screen printing.
21. The method as set forth in claim 19, wherein the curing of the composition is conducted by pre-heating the composition at 60-170\xb0 C. for a time period from 1 min to 24 hours and then second-heating the composition at 400-450\xb0 C. for a time period from 10 min to 48 hours.
22. The method as set forth in claim 19, wherein the curing of the composition is conducted by pre-heating the composition at 60-170\xb0 C. for a time period from 1 min to 24 hours, second-heating the composition at 200-300\xb0 C. for a time period from 1 min to 24 hours, and then third-heating the composition at 400-450\xb0 C. for a time period from 10 min to 48 hours.
23. A method of preparing a low dielectric thin film using porous nanoparticles, comprising applying the composition of claim 11 on a substrate and then curing the composition.
24. The method as set forth in claim 23, wherein the applying of the composition is conducted through spin coating, dip coating, spray coating, flow coating, or screen printing.
25. The method as set forth in claim 23, wherein the curing of the composition is conducted by pre-heating the composition at 60-170\xb0 C. for a time period from 1 min to 24 hours and then second-heating the composition at 400-450\xb0 C. for a time period from 10 min to 48 hours.
26. The method as set forth in claim 23, wherein the curing of the composition is conducted by pre-heating the composition at 60-170\xb0 C. for a time period from 1 min to 24 hours, second-heating the composition at 200-300\xb0 C. for a time period from 1 min to 24 hours, and then third-heating the composition at 400-450\xb0 C. for a time period from 10 min to 48 hours.
27. A dielectric film provided between layers of a semiconductor, prepared using the composition of claim 1.
28. A dielectric film provided between layers of a semiconductor, prepared using the composition of claim 2.
29. A dielectric film provided between layers of a semiconductor, prepared using the composition of claim 11.
30. A dielectric film provided between layers of a semiconductor, prepared using the method of claim 19.
31. A dielectric film provided between layers of a semiconductor, prepared using the method of claim 23.