Author: claimsbot

What I claim is:

1. A vacuum cleaner installation comprising: a room and a vacuum cleaner arrangement installed in said room, said vacuum cleaner arrangement including a blower, a receptacle for waste material, an inlet opening into the room, and an air exhaust outlet venting externally of the room.
2. An installation according to claim 1, wherein said vacuum cleaner arrangement is mounted with a wall of said room.
3. An installation according to claim 2, wherein said vacuum cleaner arrangement is mounted in a hole in said wall.
4. An installation according to claim 1, wherein said vacuum cleaner arrangement has a housing, wherein said housing contains said blower and said receptacle, and wherein said housing is mounted within the thickness of a wall of said room.
5. An installation according to claim 1, wherein said vacuum cleaner arrangement has a housing and a hose, and wherein said hose is retractable into said housing.
6. A vacuum cleaner arrangement for installation in a room, said vacuum cleaner arrangement comprising: a blower, a receptacle for waste material, an inlet opening into said room and an air exhaust outlet venting externally of said room.
7. A vacuum cleaner arrangement according to claim 6, wherein said arrangement includes a housing adapted for mounting in a hole in a wall of said room, and wherein said blower and said receptacle are contained within said housing.
8. A vacuum cleaner arrangement according to claim 7, wherein said housing is mounted within the thickness of said wall.
9. A vacuum cleaner arrangement according to claim 6, wherein said arrangement includes a housing and a hose, wherein said blower and said receptacle are contained within said housing, and wherein said hose is retractable into said housing.

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 microparticle dispersion liquid manufacturing method comprising:
a dissolving step of dissolving a poorly soluble drug and a dispersion stabilizer in a volatile organic solvent;
a fixing step of performing removal by evaporation of the organic solvent, contained in a solution obtained in the dissolving step, and fixing a residue, obtained by the organic solvent removal, on each of a plurality of locations of an inner wall of a container;
a water injecting step of injecting water into an interior of the container after the fixing step; and
an irradiating step of irradiating light on the residues fixed on the respective locations of the inner wall of the container after the water injecting step to manufacture a liquid having microparticles, containing the poorly soluble drug and the dispersion stabilizer, dispersed in water.
2. The microparticle dispersion liquid manufacturing method according to claim 1, wherein
a container with a plurality of recesses is used to fix the residues on respective bottom surfaces of the recesses in the fixing step,
water is injected into each of the recesses of the container in the water injecting step, and,
in the irradiating step, the light is irradiated on the residues fixed on the respective bottom surfaces of the recesses.
3. The microparticle dispersion liquid manufacturing method according to claim 2, wherein the respective bottom surfaces of the recesses of the container are composed of glass, and
in the irradiating step, the light is irradiated from outside the respective bottom surfaces of the recesses of the container and the irradiated light is made to propagate in the order of the bottom surfaces, the residues, and the water.
4. The microparticle dispersion liquid manufacturing method according to claim 2, wherein
the respective bottom surfaces of the recesses of the container are flat surfaces, and
in the irradiating step, the light is irradiated from outside the respective bottom surfaces of the recesses of the container and the irradiated light is made to propagate in the order of the bottom surfaces, the residues, and the water.
5. The microparticle dispersion liquid manufacturing method according to claim 1, wherein in the irradiating step, light output from a light source is branched by a branching unit and irradiated simultaneously on the residues fixed on the respective locations of the inner wall of the container.
6. The microparticle dispersion liquid manufacturing method according to claim 1, wherein in the irradiating step, the light output from the light source is diffracted by a diffracting unit and irradiated simultaneously on the residues fixed on the respective locations of the inner wall of the container.
7. The microparticle dispersion liquid manufacturing method according to claim 1, wherein in the irradiating step, the light output from the light source is scanned by a scanning unit and irradiated successively on the residues fixed on the respective locations of the inner wall of the container.
8. A microparticle dispersion liquid manufacturing apparatus comprising:
a container, in which a poorly soluble drug and a dispersion stabilizer are dissolved in a volatile organic solvent, a residue, obtained by removal by evaporation of the organic solvent contained in the solution, is fixed on each of a plurality of locations of an inner wall, and water is injected into an interior; and
a light irradiating unit, irradiating light on the residues fixed on the respective locations of the inner wall of the container; and
wherein a liquid, having microparticles, containing the poorly soluble drug and the dispersion stabilizer, dispersed in water, is manufactured by irradiation of the light on the residues by the light irradiating unit.
9. The microparticle dispersion liquid manufacturing apparatus according to claim 8, wherein
the container has a plurality of recesses, the residues are fixed on respective bottom surfaces of the recesses, and
the light irradiating unit irradiates the light on the residues fixed on the respective bottom surfaces of the recesses.
10. The microparticle dispersion liquid manufacturing apparatus according to claim 9, wherein
the respective bottom surfaces of the recesses of the container are composed of glass, the light is irradiated by the light irradiating unit from outside the respective bottom surfaces of the recesses of the container, and the irradiated light is made to propagate in the order of the bottom surfaces, the residues, and the water.
11. The microparticle dispersion liquid manufacturing apparatus according to claim 9, wherein
the respective bottom surfaces of the recesses of the container are flat surfaces, the light is irradiated by the light irradiating unit from outside the respective bottom surfaces of the recesses of the container, and the irradiated light is made to propagate in the order of the bottom surfaces, the residues, and the water.
12. The microparticle dispersion liquid manufacturing apparatus according to claim 8, wherein the light irradiating unit comprises: a light source, outputting light; and a branching unit, branching the light output from the light source and irradiating the light simultaneously on the residues fixed on the respective locations of the inner wall of the container.
13. The microparticle dispersion liquid manufacturing apparatus according to claim 8, wherein the light irradiating unit comprises: a light source, outputting light; and a diffracting unit, diffracting the light output from the light source and irradiating the light simultaneously on the residues fixed on the respective locations of the inner wall of the container.
14. The microparticle dispersion liquid manufacturing apparatus according to claim 8, wherein the light irradiating unit comprises: a light source, outputting light; and a scanning unit, scanning the light output from the light source and irradiating the light successively on the residues fixed on the respective locations of the inner wall of the container.
15. A microparticle dispersion liquid manufacturing method comprising:
a dissolving step of dissolving a poorly soluble drug and a dispersion stabilizer in a volatile organic solvent;
a fixing step of performing removal by evaporation of the organic solvent, contained in a solution obtained in the dissolving step, and fixing a residue, obtained by the organic solvent removal, on an inner wall of a container; and
an irradiating step of injecting water into an interior of the container after the fixing step and, while making the water flow near an interface of the residue and the water in the interior of the container, irradiating light on the residue fixed on the inner wall of the container to manufacture a microparticle dispersion liquid having microparticles, containing the poorly soluble drug and the dispersion stabilizer, dispersed in water.
16. The microparticle dispersion liquid manufacturing method according to claim 15, wherein in the irradiating step, the water injected into the interior of the container is stirred and the water is thereby made to flow near the interface of the residue and the water in the interior of the container.
17. The microparticle dispersion liquid manufacturing method according to claim 15, wherein in the irradiating step, the water injected into the interior of the container is vibrated and the water is thereby made to flow near the interface of the residue and the water in the interior of the container.
18. The microparticle dispersion liquid manufacturing method according to claim 15, wherein in the irradiating step, water is fed into the interior of the container and the water is thereby made to flow near the interface of the residue and the water in the interior of the container.
19. The microparticle dispersion liquid manufacturing method according to claim 18, wherein in the irradiating step, a temperature of the water fed into the interior of the container is maintained fixed.
20. The microparticle dispersion liquid manufacturing method according to claim 18, wherein in the irradiating step, the microparticle dispersion liquid manufactured in the interior of the container is collected in a collection container other than the container.
21. The microparticle dispersion liquid manufacturing method according to claim 20, wherein in the irradiating step, feeding of water and feeding of a gas into the interior of the container are performed alternately and the microparticle dispersion liquid is collected in the collection container during the feeding of the gas.
22. A microparticle dispersion liquid manufacturing apparatus comprising:
a container, in which a poorly soluble drug and a dispersion stabilizer are dissolved in a volatile organic solvent, a residue, obtained by removal by evaporation of the organic solvent contained in the solution, is fixed on an inner wall, and water is injected into an interior;
a light irradiating unit, irradiating light on the residue fixed on the inner wall of the container; and
a flow unit, making the water flow near an interface of the residue and the water in the interior of the container; and
wherein a microparticle dispersion liquid, having microparticles, containing the poorly soluble drug and the dispersion stabilizer, dispersed in water, is manufactured by the flow unit making the water flow near the interface of the residue and the water in the interior of the container and the light irradiating unit irradiating the light on the residue.
23. The microparticle dispersion liquid manufacturing apparatus according to claim 22, wherein the flow unit comprises: a stirring unit, stirring the water injected into the interior of the container; and the stirring unit makes the water flow near the interface of the residue and the water in the interior of the container.
24. The microparticle dispersion liquid manufacturing apparatus according to claim 22, wherein the flow unit comprises: a vibrating unit, vibrating the water injected into the interior of the container; and the vibrating unit makes the water flow near the interface of the residue and the water in the interior of the container.
25. The microparticle dispersion liquid manufacturing apparatus according to claim 22, wherein the flow unit comprises: a water feeding unit, feeding water into the interior of the container; and the water feeding unit makes the water flow near the interface of the residue and the water in the interior of the container.
26. The microparticle dispersion liquid manufacturing apparatus according to claim 25, wherein the water feeding unit maintains the water fed into the interior of the container at a fixed temperature.
27. The microparticle dispersion liquid manufacturing apparatus according to claim 25, further comprising: a collecting unit, collecting the microparticle dispersion liquid, manufactured inside the interior of the container.
28. The microparticle dispersion liquid manufacturing apparatus according to claim 27, further comprising: a gas feeding unit, feeding a gas to the interior of the container; and
wherein the feeding of the water by the water feeding unit and the feeding of the gas by the gas feeding unit are performed alternately and the microparticle dispersion liquid is collected by the collecting unit during the feeding of the gas by the gas feeding unit.

1. A traffic sign comprising:
a post;
a base plate mounted on the post;
at least one panel formed on the base plate, each of the at least one panel being red, yellow, green, or blue; and
at least one letter each formed on the panel, each of the at least one letter being \u201cE\u201d indicating east, \u201cW\u201d indicating west, \u201cS\u201d indicating south, or \u201cN\u201d indicating north.
2. The traffic sign of claim 1, wherein each of the at least one panel is a stylized cross having four equal triangular arms at right angles, each arm with a sharp outer end.
3. The traffic sign of claim 1, wherein each of the at least one panel is formed of a plurality of red, yellow, green, or blue LEDs (light-emitting diodes).
4. The traffic sign of claim 1, wherein each of the at least one panel is a red, yellow, green, or blue light reflective coating.

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 for forming a contact of a semiconductor device, comprising the steps of:
forming a first interlayer dielectric (ILD) layer on a semiconductor substrate having a cell transistor and a lower poly silicon plug thereon;
forming a stacked structure of a barrier layer, a conductive layer and a hard mask nitride film on the first ILD layer, and selectively etching the stacked structure to form a bit line;
forming an oxide film spacer at a sidewall of the bit line;
forming a second ILD layer on the semiconductor substrate including the bit line;
polishing the second ILD layer using CMP slurry having high selectivity for oxide film to expose the hard mask nitride film;
forming a third ILD layer on the semiconductor substrate; and
performing an etching process to form an opening for storage node contact exposing the lower poly silicon plug.
2. The method according to claim 1, wherein the CMP slurry has a pH ranging from 4 to 10.
3. The method according to claim 1, wherein the CMP slurry has a pH ranging from 6 to 8.
4. The method according to claim 1, wherein the CMP slurry comprises distilled water or ultra-pure water as a solvent.
5. The method according to claim 1, wherein the CMP slurry comprises Ceria (CeO2) as an abrasive.
6. The method according to claim 5, wherein an amount of the abrasive ranges from 0.5 to 10 wt % of the CMP slurry.
7. The method according to claim 1, wherein the CMP slurry comprises an organic polymer as an additive.
8. The method according to claim 7, wherein the organic polymer is a polyacrylic acid salt.
9. The method according to claim 7, wherein an amount of the additive ranges from 0.5 to 10 wt % of the CMP slurry.
10. The method according to claim 1, wherein the selectivity ratio of the CMP slurry for nitride film to oxide film ranges of 1:10\u02dc200.
11. The method according to claim 1, wherein the selectivity ratio of the CMP slurry for nitride film to oxide film ranges of 1:30\u02dc200.
12. The method according to claim 1, wherein the barrier layer comprises TiTiN.
13. The method according to claim 1, wherein the conductive layer comprises tungsten.
14. The method according to claim 1, wherein the third ILD layer is formed from a source selected from a group consisting of HDP PSG (high density plasma phosphosilicate glass), BPSG (borophosphosilicate glass), PSG (phosphosilicate glass), HDP USG (high density plasma undoped silicate glass), FSG (fluorosilicate glass), PE-SiH4 (plasma enhanced-silane), LP-TEOS (low pressure-tetraethoxysilicate glass) and PE-TEOS (plasma enhanced-tetraethoxysilicate glass).
15. The method according to claim 1, wherein a thickness of the third ILD layer ranges from 500 to 5000 \u212b.
16. The method according to claim 1, wherein a thickness of the third ILD layer ranges from 500 to 2000 \u212b.