Author: claimsbot

1. A hydrocarbon composition, comprising:
a NiFeV content of between 100 wtppm and 300 wtppm as determined by ASTM Method D5708;
at least 0.15 grams of residue per gram as determined by ASTM Method D5307;
at least 0.2 grams of hydrocarbons having a boiling range distribution between 204\xb0 C. and 343\xb0 C. at 0.101 MPa per gram as determined by ASTM Method D5307;
at least 0.3 grams of hydrocarbons of a vacuum gas oil (\u201cVGO\u201d) portion having a boiling range distribution between 343\xb0 C. and 538\xb0 C. at 0.101 MPA per gram, wherein the VGO fraction comprises at least 0.2 grams of total UV aromatics per gram of the VGO fraction; and
wherein the hydrocarbon composition has a viscosity at 37.8\xb0 C. of at most 100 cSt, wherein viscosity is as determined by ASTM Method D445.

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 waterless detection method of a boiler iron, wherein the method is applied with a normal close thermostat of the constant temperature boiler and a control device, at least a signal line is connected between the thermostat of the boiler and the control device, the control device receives the off and on state information of the thermostat and judges the presence of the water in the water tank according to that whether the off time of the thermostat exceeds the preset value or not.
2. A waterless detection method of a boiler iron according to the claim 1, wherein the control device includes a detection unit and a judgment unit, the detection unit detects the off and on state of the thermostat, the judgment unit judges the presence of the water in the water tank of the boiler according to the off and on state information of the thermostat.
3. A waterless detection method of a boiler iron according to the claim 1, wherein the off and on state information of the thermostat includes the frequency and duration of the off and on of the thermostat.
4. A waterless detection method of a boiler iron according to the claim 1, wherein the method includes steps as blow:
Step 1. the iron is situated in the waiting state without steam, then turn to the step 2;
Step 2. the control device receives the signal of the thermostat through the signal line to judge that whether the thermostat cuts off once; if not, turn to the step 1, if the thermostat cuts off once, turn to the step 3;
Step 3. the temperature of the heating pan is high enough to generate steam, then turn to the step 4;
Step 4. judge that whether the steam is required, if not, turn to step 3; if the steam is required, turn to the step 5;
Step 5. judge that whether the off time of the thermostat exceeds the preset value, if not, turn to the step 4; if the off time of the thermostat exceeds the preset value, the judgment result is that no water is in the water tank.
5. A waterless detection method of a boiler iron according to the claim 4, wherein in the step 4, judge that whether the steam is required by detecting the steam button signal.
6. A waterless detection method of a boiler iron according to the claim 4, wherein the preset value is 10 s to 120 s.
7. A waterless detection method of a boiler iron according to the claim 4, wherein the preset value is 30 s to 50 s.
8. a waterless detection device of a boiler iron, wherein the device is applied with a normal close thermostat of the constant temperature boiler and a control device, a signal line is connected between the thermostat of the boiler and the control device, the control device includes a detection unit and a judgment unit, the judgment unit judges that whether the thermostat is cut off once, if not, the judgment is that the iron is situated in the power on and waiting state, if the thermostat is cut off once, activate the detection unit;
The detection unit is disposed to detect that whether the off duration of the thermostat exceeds the preset value, if the off duration of the thermostat exceeds the preset value, the judgment is that no water is in the water tank.
9. An iron with a waterless detection device, wherein the iron is disposed with a waterless detection device, the device is applied with a normal close thermostat of the constant temperature boiler and a control device, a signal line is connected between the thermostat of the boiler and the control device, the control device at least includes a detection unit and a judgment unit, the judgment unit judges that whether the thermostat is cut off once, if not, the judgment is that the iron is situated in the power on and waiting state, if the thermostat is cut off once, activate the detection unit;
The detection unit is disposed to detect that whether the off duration of the thermostat exceeds the preset value, if the off duration of the thermostat exceeds the preset value, the judgment is that no water is in the water tank.
10. A waterless detection method of a boiler iron according to the claim 2, wherein the off and on state information of the thermostat includes the frequency and duration of the off and on of the thermostat.

1. A composite sensor, comprising:
a package including a first space having a first pressure and a first thickness, and the package including a second space having a second pressure lower than the first pressure and a second thickness;
an acceleration sensor element disposed in the first space; and
a vibration type angular velocity sensor element disposed in the second space, wherein the first space has a volume smaller than a volume of the second space, and the first thickness is smaller than the second thickness.
2. The composite sensor according to claim 1, the package including a container, a lid and a partitioned member, the first space and the second space is partitioned by the partitioned member.
3. The composite sensor according to claim 1, wherein at least one of a wall forming the first space and a wall forming the second space has a through hole, the through hole is sealed by a sealing member.
4. The composite sensor according to claim 1, wherein a height of a bottom surface forming the first space and a height of a bottom surface forming the second space are different from each other.
5. The composite sensor according to claim 2, wherein at least one of the container and the lid has a layered structure.
6. An electronic device comprising the composite sensor according to claim 1.
7. An electronic device comprising the composite sensor according to claim 2.
8. An electronic device comprising the composite sensor according to claim 3.
9. An electronic device comprising the composite sensor according to claim 4.
10. An electronic device comprising the composite sensor according to claim 5.

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. An apparatus for lapping a magnetic head slider, comprising:
a lapping plate to which a bar of the magnetic head slider makes a contact by a predetermined lapping pressure;
a primary oscillating mechanism that makes a primary oscillating of the bar in a radial direction of the lapping plate; and
a secondary oscillating mechanism that makes a secondary oscillating of the bar in a direction perpendicular to a direction of the primary oscillating, wherein
a coarse lapping of the bar is performed by a combined oscillating of the primary oscillating and the secondary oscillating, and,
upon completion of the coarse lapping, the apparatus switches to the primary oscillating to finish lapping of the bar.
2. The apparatus according to claim 1, further comprising:
a pressure control unit that sets, at a time of the primary oscillating, the lapping pressure to substantially zero at dead center of speed of the primary oscillating.
3. The apparatus according to claim 1, further comprising a mechanism to rotate the lapping plate, wherein
the mechanism substantially stops rotation of the lapping plate at dead center of speed of the primary oscillating.
4. The apparatus according to claim 1, wherein oscillating cycles of the primary oscillating and the secondary oscillating are synchronized with each other at a time of the combined oscillating when a new bar is loaded.
5. The apparatus according to claim 1, wherein at a time of the finishing lapping by the primary oscillating, the direction of the primary oscillating makes an angle to a rotational direction of the lapping plate.
6. A method of lapping a magnetic head slider, comprising:
oscillating a bar of the magnetic head slider while the bar is making a contact with a lapping plate by a predetermined lapping pressure, the oscillating including
primary oscillating the bar in a radial direction of the lapping plate; and
secondary oscillating the bar in a direction perpendicular to a direction of the primary oscillating; and

upon completion of a coarse lapping by the oscillating, performing the primary oscillating to finish lapping of the bar.
7. The method according to 6, further comprising:
setting, at a time of the primary oscillating, a lapping pressure to substantially zero at dead center of speed of the primary oscillating.
8. The method according to 6, further comprising:
setting a speed of rotation of the lapping plate to substantially zero at dead center of speed of the primary oscillating.
9. The method according to 6, wherein oscillating cycles of the primary oscillating and the secondary oscillating are synchronized with each other at a time of the combined oscillating after a new bar is loaded.
10. The method according to 6, wherein at a time of the finishing lapping by the primary oscillating, the direction of the primary oscillating makes an angle to a rotational direction of the lapping plate.