Author: claimsbot

1. An optical recording medium to be processed by a light beam having a wavelength \u03bb and a lens having a numerical aperture NA, comprising:
one of a track and a pit array,
wherein a width of one of the track and the pit satisfies a condition 0.480\u2266TP\xd7NA\u03bb<1.026.
2. The medium according to claim 1, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.65.
3. The medium according to claim 1, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.85.
4. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ge, Sb, and Te, and a composition GexSbyTez contained in the recording film is a composition that satisfies x+y+z=100 and is defined by x=55z=45, x=45z=55, x=10y=28z=42, and x=10y=36z=54 on a GeSbTe ternary phase diagram.
5. The medium according to claim 4, wherein the composition contained in the recording film is partially substituted with bismuth (Bi) andor indium (In) andor tin (Sn), the composition (Ge(1-w)Snw)x(Sb(1-v)(Bi(1-u)Inu)v)yTez after substitution satisfies x+y+z=100, and w, v, and u satisfy conditions 0\u2266w<0.5, 0<v<1, and 0\u2266u\u22660.7.
6. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ge, Bi, and Te, and a composition GexBiyTez contained in the recording film is a composition that satisfies x+y+z=100 and is defined by x=55z=45, x=45z=55, x=10y=28z=42, and x=10y=36z=54 on a GeBiTe ternary phase diagram.
7. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ge, Sb, Te, and nitrogen (N), the composition GexSbyTez contained in the recording film satisfies x+y+z=100 in a composition region defined by x=55z=45, x=45z=55, x=10y=28z=42, and x=10y=36z=54 on a GeSbTe ternary phase diagram, and nitrogen (N) is added in 1 to 5 at. % to a GeSbTe compound in the composition region.
8. The medium according to claim 7, wherein the composition contained in the recording film is partially substituted with bismuth (Bi) andor indium (In) andor tin (Sn), the composition (Ge(1-w)Snw)x(Sb(1-v)(Bi(1-u)Inu)v)yTez after substitution satisfies x+y+z=100, and w, v, and u satisfy conditions 0\u2266w<0.5, 0<v<1, and 0\u2266u\u22660.7, and
N is added in 1 to 5 at. % to one of GeSnSbTe, GeSnSbTeIn, GeSbTeIn, GeSbTeBiIn, GeSbSnTeBiIn, GeSbTeBi, GeSnSbTeBi, and GeSnSbTeBiIn compounds corresponding to the composition after substitution.
9. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ge, Bi, Te, and nitrogen (N), the composition GexBiyTez contained in the recording film satisfies x+y+z=100 in a composition region defined by x=55z=45, x=45z=55, x=10y=28z=42, and x=10y=36z=54 on a GeBiTe ternary phase diagram, and nitrogen (N) is added in 1 to 5 at. % to a GeBiTe compound in the composition region.
10. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Sb and Te, and in a composition SbaTe1-a contained in the recording film, a satisfies 0.6\u2266a\u22660.81.
11. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ga and Sb, and in a composition GabSb1-b contained in the recording film, b satisfies 0.09\u2266b\u22660.35.
12. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least In and Sb, and in a composition IncSb1-c contained in the recording film, c satisfies 0.15\u2266c\u22660.4.
13. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ga and Sb, and in a composition GadSb1-d contained in the recording film, d satisfies 0.10\u2266d\u22660.35.
14. The medium according to claim 1, which further comprises a recording film corresponding to the track, and
in which the recording film contains at least Ga, In, and Sb, and in a composition (InSb)e(GaSb)1-e contained in the recording film, e satisfies 0\u2266e\u22661.
15. The medium according to claim 4, wherein at least one of layers in contact with the recording film is an interface layer selected from the group consisting of GeN, GeCrN, ZrO2+Cr2O3, ZrSiO4, ZrO2-xNx containing Y2O3, ZrO2-xNx+Cr2O3 containing Y2O3, and ZrSiO4-xNx.
16. The medium according to claim 10, wherein at least one of layers in contact with the recording film is a layer selected from the group consisting of SiN, GeN, and SiC layers.
17. An information playback apparatus comprising:
a laser which emits a light beam having a wavelength \u03bb; and
an objective lens which has a numerical aperture NA and focuses the light beam emitted from the laser onto an optical recording medium,
wherein the information playback apparatus plays back information from an optical recording medium which has one of a track and a pit and satisfies a condition 0.480\u2266track or pit width TP\xd7NA\u03bb<1.026.
18. The apparatus according to claim 17, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.65.
19. The apparatus according to claim 17, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.85.
20. An information playback method comprising:
emitting a light beam having a wavelength \u03bb; and
focusing the emitted light beam onto an optical recording medium via an objective lens having a numerical aperture NA and playing back information from an optical recording medium which has one of a track and a pit and satisfies a condition 0.480\u2266track or pit width TP\xd7NA\u03bb<1.026.
21. An information recording apparatus comprising:
a laser which emits a light beam having a wavelength \u03bb; and
an objective lens which has a numerical aperture NA and focuses the light beam emitted from the laser onto an optical recording medium,
wherein the information recording apparatus records information on an optical recording medium which has one of a track and a pit and satisfies a condition 0.480\u2266track or pit width TP\xd7NA\u03bb<1.026.
22. The apparatus according to claim 21, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.65.
23. The apparatus according to claim 21, wherein the wavelength \u03bb is 405 nm, and the numerical aperture NA is 0.85.
24. The apparatus according to claim 19, wherein the laser emits the light beam having the wavelength \u03bb based on one of a waveform and a pulse train, in which a rise time of an optical pulse falls within a range of 0.1 to 0.9 ns (inclusive).
25. An information recording method comprising:
emitting a light beam having a wavelength \u03bb; and
focusing the emitted light beam onto an optical recording medium via an objective lens having a numerical aperture NA and recording information on an optical recording medium which has one of a track and a pit and satisfies a condition 0.480\u2266track or pit width TP\xd7NA\u03bb<1.026.

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 producing a cellulose ether comprising:
contacting a cellulose ether with a first oxidizing agent and an acid to form a mixture;
heating the mixture;
neutralizing the mixture;
after the step of neutralizing the mixture, adding at least a second oxidizing agent to the mixture; and
forming a cellulose ether having a viscosity from 1.2 cP to 50 cP measured at 2% by weight aqueous solution at 20\xb0 C. and an APHA value from 1 to 100.
2. The method of claim 1 comprising heating the mixture at a temperature from 70\xb0 C. to 100\xb0 C. for 1 to 20 hours.
3. The method of claim 1 comprising heating the mixture after addition of the second oxidizing agent.
4. The method of claim 1 comprising maintaining the water content of the mixture between 3% and 6% by weight.
5. A method for coating a substrate comprising:
applying an aqueous solution of a very low viscosity cellulose ether according to claim 1 on the substrate; and
forming a coating comprising the very low viscosity cellulose ether on the substrate.
6. The method of claim 5 wherein the aqueous solution has an APHA value from 1 to 20.
7. The method of claim 5 wherein the aqueous solution comprises at least 10% by weight of the very low viscosity cellulose ether.
8. A method for producing a cellulose ether comprising: contacting a cellulose ether with a first oxidizing agent and an acid to form a mixture;
heating the mixture;
neutralizing the mixture, and then, adding at least a second oxidizing agent to the mixture; and
forming a very low color cellulose ether having an APHA value from 1 to 20 and a viscosity less than about 3 cP measured at 2% by weight aqueous solution at 20\xb0 C.
9. The method of claim 8 comprising performing the heating at a point in time selected from the group consisting of before the adding, after the adding, and combinations thereof.
10. The method of claim 8 comprising neutralizing the mixture after the heating.

1. A surgical tool comprising:
an elongated body having a proximal end, a distal end, an outer cylindrical surface, and a longitudinal axis extending from the proximal end to the distal end;
first and second sets of tissue approximating structures having a retracted position relative to the elongated body in which the tissue approximating structures of the first and second sets do not extend past the outer surface of the elongated body, and a deployed position relative to the elongated body in which at least one of the tissue approximating structures of each of the first and second sets extends from the outer surface of the elongated body at an angle relative to its longitudinal axis;
an actuating mechanism at the proximal end of the elongated body for independently deploying and retracting each of the first and second sets of tissue approximating structures;
a drainage lumen extending from a drainage aperture at the distal end of the elongated body to the proximal end; and
a main balloon adjacent to the distal end of the elongated body;
wherein each of the first and second sets of tissue approximating structures includes at least one elongated tine having a distal end, and wherein the second set of tissue approximating structures comprises an enlarged shaped element at the distal end of at least one of its elongated tines.
2. The surgical tool of claim 1, wherein the distal ends of at least one of the tines of the first set of tissue approximating structures is more sharp than at least one of the distal ends of the tines of the second set of tissue approximating structures.
3. The surgical tool of claim 2, wherein the second set of tissue approximating structures is closer than the first set of tissue approximating structures to the main balloon of the elongated body.
4. The surgical tool of claim 1, wherein the enlarged shaped element is one of a ball, a flap, and an elliptical portion.
5. The surgical tool of claim 1, wherein at least one of the first and second sets of tissue approximating structures comprises at least one preshaped tine structure.
6. The surgical tool of claim 5, wherein the set of tissue approximating structures comprising the at least one preshaped tine structure is positioned closer to the main balloon than the other set of tissue approximating structures.
7. The surgical tool of claim 5, wherein each preshaped tine structure includes a distal end that is directed away from the main balloon.
8. The surgical tool of claim 5, wherein each preshaped tine structure is comprised of a material having a memory that causes the preshaped tine structure to be in a deformed configuration when retracted and to be in a preshaped configuration when deployed.
9. A surgical tool comprising:
an elongated body having a proximal end, a distal end, and at least one aperture extending through at least a portion of the body;
first and second sets of tissue approximating structures having deployed and retracted positions relative to the elongated body;
an actuating mechanism at the proximal end of the elongated body for independently deploying and retracting each of the first and second sets of tissue approximating structures;
a drainage lumen extending from a drainage aperture at the distal end of the elongated body to the proximal end;
a main balloon adjacent to the distal end of the elongated body; and
a second balloon spaced from the main balloon toward the proximal end of the elongated body, wherein the second balloon has an expanded condition in which it diverts one of the first and second tissue approximating structures away from the main balloon; wherein each of the first and second sets of tissue approximating structures includes at least one elongated tine having a distal end, and wherein the second set of tissue approximating structures comprises an enlarged shaped element at the distal end of at least one of its elongated tines.
10. The surgical tool of claim 9, wherein the main balloon and the second balloon are independently expandable.
11. The surgical tool of claim 9, wherein the second balloon is positioned adjacent to the base of the at least one tine of the second set of tissue approximating structures such that expansion of the second balloon moves a portion of each of the tines radially away from the elongated body.
12. The surgical tool of claim 1, wherein the second set of tissue approximating structures includes at least one extension that is pivotable toward and away from the elongated body.
13. The tool of claim 12, wherein the at least one pivotable extension of the second tissue approximating structure is hingedly connected to the elongated body.
14. A surgical tool comprising:
an elongated body having a proximal end and a distal end;
first and second tissue approximating structures having deployed and retracted positions relative to the elongated body;
an actuating mechanism at the proximal end of the elongated body for independently deploying and retracting each of the first and second sets of tissue approximating structures;
a drainage lumen extending from a drainage aperture at the distal end of the elongated body to the proximal end; and
a main balloon adjacent to the distal end of the elongated body;
wherein the first tissue approximating structure comprises a flexible material at least partially surrounding the elongated body and extending along a portion of a length of the elongated body; wherein each of the first and second sets of tissue approximating structures includes at least one elongated tine having a distal end, and wherein the second set of tissue approximating structures comprises an enlarged shaped element at the distal end of at least one of its elongated tines.
15. The surgical tool of claim 14, wherein the first tissue approximating structure comprises a material that is slideable along the length of the elongated body.
16. The surgical tool of claim 15, wherein the first tissue approximating structure has a first length when in a first position and a second length when in a second position, wherein the second length is shorter than the first length, and wherein the first tissue approximating structure extends further radially from the elongated body when in the second position than when in the first position.
17. The surgical tool of claim 15, wherein the first tissue approximating structure comprises a mesh material.
18. The surgical tool of claim 15, wherein the second tissue approximating structure comprises a plurality of tines.
19. The surgical tool of claim 16, wherein the second tissue approximating structure is at least partially covered by the first tissue approximating structure when the first tissue approximating structure is in the first position.
20. The surgical tool of claim 14, wherein the second tissue approximating structure comprises a flexible material at least partially surrounding the elongated body and extending along a portion of a length of the elongated body.
21. The surgical tool of claim 20, wherein at least one of the first and second tissue approximating structures has a fixed end secured to the elongated body and an opposite end that is radially moveable relative to the elongated body.
22. The surgical tool of claim 21, wherein both the first and second tissue approximating structures have a fixed end secured to the body and an opposite end that is radially moveable relative to the elongated body.
23. A surgical tool comprising:
an elongated body having a proximal end, a distal end, and an outer surface;
a main balloon adjacent to the distal end of the elongated body;
a first set of tissue approximating structures spaced in a proximal direction from the main balloon and having deployed and retracted positions relative to the outer surface of the elongated body;
a second set of tissue approximating structures spaced in a proximal direction from the first set of tissue approximating structures and having deployed and retracted positions relative to the outer surface of the elongated body;
an actuating mechanism at the proximal end of the elongated body for independently deploying and retracting each of the first and second sets of tissue approximating structures relative to the outer surface of the elongated body; and
a drainage lumen extending from a drainage aperture at the distal end of the elongated body to the proximal end;
wherein the first set of tissue approximating structures has a different configuration than the second set of tissue approximating structures; wherein each of the first and second sets of tissue approximating structures includes at least one elongated tine having a distal end, and wherein the second set of tissue approximating structures comprises an enlarged shaped element at the distal end of at least one of its elongated tines.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

I claim:

1. A wireless mouse and keyboard assembly, comprising a wireless mouse having a wireless emitter therein and emitting a wireless signal;
a keyboard having a wireless receiver receiving the wireless signal from the wireless emitter, the keyboard converting the received wireless signal to a digital signal, which is sent to a computer through a connection cord connected between the keyboard and the computer.
2. The wireless mouse and keyboard assembly as in claim 1, wherein the wireless mouse comprises:
a mouse processor processing a movement data of the wireless mouse into a wireless signal, and sending the wireless signal through the wireless emitter;
a button section sensing button-pressing action against the wireless mouse and sending a detection signal to the mouse processor;
a position sensor detecting the movement data of the wireless mouse and sending a detection signal to the mouse processor; and
a wheel section sensing the rotation of a wheel of the wireless mouse and sending a detection signal to the mouse processor.
3. The wireless mouse and keyboard assembly as in claim 1, wherein the keyboard comprises:
a keyboard processor processing a keystroke operation and the manipulation of wireless data, the processed wireless data being sent to the computer;
a matrix scanning section used to sense the keystroke operation and send a signal to the keyboard processor; and
a conversion unit used convert the wireless signal from the wireless receiver into a digital signal, which is sent to the keyboard processor for further processing.
4. The wireless mouse and keyboard assembly as in claim 1, wherein the connection cord has a connector on one end thereof and connected to the computer.
5. The wireless mouse and keyboard assembly as in claim 1, wherein the connection cord has two connectors on one end thereof and connected to the computer.
6. A computer keyboard receiving a wireless signal,
the computer keyboard having:
a wireless receiver therein and receiving the wireless signal;
a conversion unit used convert the wireless signal from the wireless receiver into a digital signal, which is sent to a keyboard processor for further processing;
the digital signal processed by the keyboard processor being sent to the computer through a connection cord.
7. The computer keyboard as in claim 6, wherein the computer keyboard receiving the wireless signal from a wireless mouse.