1. A power distribution unit (\u201cPDU\u201d) for a component enclosure having a plurality of processing units, the PDU comprising:
a first subsystem for receiving power from a power source;
a second subsystem electrically coupled to one or more of the processing units in the component enclosure, wherein the first subsystem includes a number of power supplies coupled to the power source to draw power from the power source, the number of power supplies corresponding to a power requirement of the processing units; and
a set of connectors electrically coupling the first subsystem to the second subsystem allowing the power from the power source to flow from the first subsystem, via the second subsystem, and to the processing units in the component enclosure.
2. The power distribution unit of claim 1 wherein the first subsystem includes two, three, or six power supplies coupled to the power source.
3. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem; and
each of the power supplies of the first subsystem includes a plurality of branch breakers coupled to a main input from the power source, the branch breakers each being electrically coupled to the first connector.
4. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem, the first connector having a plurality of conductors electrically insulated from one another; and
each of the power supplies of the first subsystem includes a plurality of branch breakers coupled to a main input from the power source, the branch breakers each being electrically coupled to one of the conductors of the first connector.
5. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem, the first connector having a housing and a plurality of conductors electrically insulated from one another in the housing; and
each of the power supplies of the first subsystem includes:
one or more branch breakers coupled to a main input from the power source; and
a plurality of conductive wires individually coupling one of the branch breakers to a pair of the conductors in the housing of the first connector.
6. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem, the first connector having a housing and a plurality of conductors electrically insulated from one another in the housing; and
each of the power supplies of the first subsystem includes:
a single branch breaker coupled to a main input from the power source; and
a plurality of conductive wires individually coupling the branch breaker to a pair of the conductors the housing of the first connector.
7. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem and a second connector associated with the second subsystem, the first and second connectors individually having a plurality of conductors electrically insulated from one another;
each of the power supplies of the first subsystem includes one or more branch breakers coupled to a main input from the power source, the branch breakers being individually coupled to a pair of the conductors of the first connector; and
the second subsystem includes a plurality of receptacles each electrically coupled to a pair of the conductors in the second connector.
8. The power distribution unit of claim 1 wherein:
the set of connectors include a first connector associated with the first subsystem and a second connector associated with the second subsystem, the first and second connectors individually having a plurality of conductors electrically insulated from one another;
each of the power supplies of the first subsystem includes one or more branch breakers coupled to a main input from the power source, the branch breakers being individually coupled to a pair of the conductors of the first connector; and
the second subsystem includes a plurality of receptacles each electrically coupled to a pair of the conductors in the second connector, at least one of the plurality of receptacles being attached to the component enclosure and corresponding to one or more of the processing units in the component enclosure.
9. The power distribution unit of claim 1 wherein the first subsystem is external to the component enclosure, and wherein the second subsystem and the set of connectors are internal to the component enclosure.
10. The power distribution unit of claim 1 wherein the first subsystem, the second subsystem, and the set of connectors are located internal to the component enclosure.
11. The power distribution unit of claim 1 wherein the set of connectors have a first connector and a second connector each having a plurality of conductors, the conductors of the first connector have a different configuration as the conductors of the second connector.
12. A power distribution unit (\u201cPDU\u201d) for a component enclosure having a plurality of processing units, the PDU comprising:
a plurality of power supplies electrically coupled to a power source to draw power from the power source, the plurality of power supplies each including one or more branch breakers;
a connector having a plurality of conductors electrically insulated from one another; and
a plurality of conductive wires individually connecting one of the branch breakers to a pair of the conductors in the connector, wherein a number of the power supplies corresponding to a power requirement of the processing units in the component enclosure.
13. The power distribution unit of claim 12 wherein a total power rating of the power supplies is greater than or equal to the power requirement of the processing units.
14. The power distribution unit of claim 12 wherein the plurality of conductive wires directly connect one of the branch breakers to a pair of the conductors in the connector.
15. The power distribution unit of claim 12 wherein the power supplies have generally similar electrical configurations.
16. A computing system, comprising:
a component assembly having a frame and a plurality of processing units carried by the frame; and
a power distribution unit including:
a first subsystem for receiving power from a power source;
a second subsystem electrically coupled to one or more of the processing units in the component assembly, wherein the first subsystem includes a plurality of power supplies coupled to the power source to draw power from the power source; and
a set of connectors electrically coupling the first subsystem to the second subsystem allowing the power from the power source to flow from the first subsystem, via the second subsystem, and to the processing units.
17. The computing system of claim 16 wherein a number of the power supplies in the first subsystem corresponds to a power requirement of the processing units.
18. The computing system of claim 16 wherein a number of the power supplies in the first subsystem corresponds to a power requirement of the processing units, and wherein a total power rating of the power supplies in the first subsystem is greater than or equal to the power requirement of the processing units.
19. The computing system of claim 16 wherein a number of the power supplies in the first subsystem is modifiable based on a power requirement of the processing units.
20. The computing system of claim 16 wherein the first subsystem includes six power supplies individually having a single branch breaker, and wherein the computing system further includes a set of wires electrically coupling the branch breakers to a pair of conductors in one of the connectors.
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 tungsten-including diamond like carbon film, comprising:
an amorphous carbon base of a film type; and
tungsten added to the carbon base in an atomic state.
2. The carbon film of claim 1, wherein the tungsten is added to an extent to which a second phase of the carbon base is not generated.
3. The carbon film of claim 2, wherein the extent is 2.8 at. % or less.
4. The carbon film of claim 1, wherein the tungsten is added at 2.2 at. % or less.
5. The carbon film of claim 1, wherein the tungsten is added within a range of 2.3\u02dc3.3 at. %.
6. A manufacturing method of a tungsten-including diamond like carbon film comprising:
(a) fixing an objective body to a supporter in a vacuum chamber of complex coating equipment; and
(b) spraying an ion beam toward the objective body and controlling a content of tungsten sputtered toward the objective body upon controlling an Ar fraction.
7. The method of claim 6, wherein the supporter of the step (a) is configured to rotate, inclined at an angle of 5\u02dc15\xb0 with respect to a direction that the ion beam is sprayed in the step (b).
8. The method of claim 6, wherein an ion source of the ion beam of the step (b) is gasified benzene.
9. The method of claim 6, wherein the tungsten content of the step (b) is controlled within a range of 2.3\u02dc3.3 at. %.
10. A dental device coated with a tungsten-including diamond like carbon film, wherein a surface of the dental device is coated according to a method of claim 6.