1. An optical disc for use with a recordingreproducing apparatus in which track grooves are formatted into a waved pattern in a radial direction of the disc, the disc being divided into a plurality of zones comprising:
a plurality of sectors each of which includes a data area having a designated recording capacity in which user data is recorded, and an identification area in which zone address information for each zone is recorded based on a predetermined modulation rule;
at least one area to separate each zone from an adjacent zone and in which tracks are secured to be added to the data area of each of the zones; and
a zone start pattern and a zone end pattern recorded at the beginning and the end of the user data, respectively, to define a position of the user data within the zone.
2. The optical disc of claim 1, wherein the optical disc is a DVD-RAM disc.
3. The optical disc of claim 1, wherein each of the plurality of sectors has a sector address portion to store a corresponding sector address.
4. The optical disc of claim 1, wherein each track further includes a land portion.
5. The optical disc of claim 1, further comprising data recorded in the area that is based on a recording or reproduction system that performs recording or reproduction, respectively, to or from the optical disc.
6. The optical disc of claim 1, wherein the predetermined modulation rule is one of an FM modulation, and AM modulation, and a PM modulation.
7. The optical disc of claim 1, wherein the number of the tracks for each zone is based upon the data recording capacity needed for each zone plus an arbitrary recording capacity.
8. The optical disc of claim 1, wherein each of the plurality of sectors has a sector address portion to store a corresponding sector address.
9. A method of recording data on an optical disc, comprising:
dividing the optical disc into a plurality of zones;
formatting a zone address portion of one of the zones to include a wobble pattern based on a predetermined modulation rule and corresponding to an address of the zone;
recording user data and address information in the user data portion of the zone;
securing tracks in an additional portion of the zone, after the recording of the user data, to be added to the user data portion of the zone;
recording a zone start pattern in the user data portion of the zone to define a start of a user data portion of the zone; and
recording a zone end pattern following an end of the recording of the user data to define an end of the user data portion of the zone
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 liquid ejecting method, comprising:
ejecting a liquid from a liquid ejecting head,
wherein the viscosity of the liquid is in a range from 6 mPa\xb7s to 20 mPa\xb7s,
wherein the liquid ejecting head includes:
nozzles which eject the liquid;
a pressure chamber which applies a pressure variation to the liquid in order to eject the liquid from the nozzles; and
a supply unit which communicates with the pressure chamber and supplies the liquid to the pressure chamber, and
wherein the length of the nozzles is in a range from 40 \u03bcm to 100 \u03bcm.
2. The liquid ejecting method according to claim 1, wherein the opening area of the nozzles on the side in which the liquid is ejected is 110 or less of the opening area of the opening of the supply unit on the pressure chamber side.
3. The liquid ejecting method according to claim 1, wherein the opening area of the opening of the nozzles on the side in which the liquid is ejected is 120 or more of the opening area of the supply unit.
4. The liquid ejecting method according to claim 1, wherein:
the opening of the supply unit has a rectangular shape,
the length of one side of the opening is in a range from 30 \u03bcm to 500 \u03bcm, and
the length of the other side of the opening is in a range from 20 \u03bcm to 300 \u03bcm.
5. The liquid ejecting method according to claim 1, wherein the outer edge of the opening of the supply unit is smaller than that of the surface partitioning the pressure chamber and communicating with the supply unit.
6. The liquid ejecting method according to claim 1, wherein the inertance of the nozzles is smaller than that of the supply unit.
7. The liquid ejecting method according to claim 1, wherein the pressure chamber has a partitioning portion which partitions a portion of the pressure chamber and applies the pressure variation to the liquid by deformation.
8. The liquid ejecting method according to claim 7, wherein the liquid ejecting head includes an element which deforms the partitioning portion by the degree according to a potential variation pattern of an applied ejection pulse.
9. A liquid ejecting head comprising:
nozzles which eject the liquid;
a pressure chamber which applies a pressure variation to the liquid in order to eject the liquid from the nozzles; and
a supply unit which communicates with the pressure chamber and supplies the liquid to the pressure chamber,
wherein the opening area of the nozzles on the side in which the liquid is ejected is 110 or less of the opening area of the opening of the supply unit on the pressure chamber side.
10. A liquid ejecting apparatus comprising:
an ejection pulse generation unit which generates an ejection pulse; and
a liquid ejection head which ejects a liquid from nozzles and includes:
a pressure chamber which deforms a partitioning portion and applies a pressure variation to the liquid in order to eject the liquid from the nozzles;
an element which deforms the partitioning portion by the degree according to a potential variation pattern of an applied ejection pulse; and
a supply unit which communicates with the pressure chamber and supplies the liquid to the pressure chamber,
wherein the opening area of the nozzles on the side in which the liquid is ejected is 110 or less of the opening area of the opening of the supply unit on the pressure chamber side.