1. A method for managing secure registration of a mobile communications device with a network node, comprising:
sending a first registration request to the network node to effectuate a first registration process, the first registration request including an authentication key generated by the mobile communications device;
receiving a first registration response from the network node;
sending a second registration request to the network node to effectuate a second registration process, the second registration process having a time window associated therewith; and
prompting a user of the mobile communications device to select between the first and second registration process at the expiration of the time window associated with the second registration process.
2. The method according to claim 1, wherein the network node is operable with a wireless packet data service network comprising one of a General Packet Radio Service (GPRS) network, an Enhanced Data Rates for Global System for Mobile Communications (GSM) Evolution (EDGE) network, a 3rd Generation (3G) network, an Integrated Digital Enhanced Network (IDEN), a Code Division Multiple Access (ODMA) network and a Universal Mobile Telecommunications System (UMTS) network.
3. The method according to claim 1, wherein the first registration message further includes request data and a response key.
4. The method according to claim 3, wherein the first response message received by the mobile communications device includes the response key.
5. The method according to claim 1, wherein the first registration process effectuates encryption algorithms for messages to and responses from the network node.
6. The method according to claim 1, wherein the authentication key is mapped to a personalized indicium corresponding to the mobile communications device.
7. The method according to claim 6, wherein the personalized indicium comprises a Personal Information Number (PIN) that is bound to an identifier associated with the mobile communications device.
8. The method according to claim 7, wherein the identifier comprises at least one of an International Mobile station Equipment Identity (IMET) parameter, an International Mobile Subscriber Identity (IMSI) parameter, an Electronic Serial Number (ESH) parameter and a Mobile Identification Number (MIN) parameter.
9. The method according to claim 1, wherein the second registration process effectuates unencrypted data transmissions between the mobile communications device to the network node.
10. The method according to claim 1, wherein the time window associated with the second registration process is pre defined.
11. The method according to claim 1, further comprising updating a database associated with the network node.
12. A mobile communications device comprising:
a processor configured to control at least one of a plurality of subsystems for communicating with a network node;
the processor further configured to control at least one of the plurality of sub-systems for generating an authentication key;
the processor further configured to control at least one of the plurality of sub-systems for sending a first registration request to a network node to effectuate a first registration process with the network node, the first registration request including the authentication key;
the processor further configured to control at least one of the plurality of sub-systems for processing a first registration response received from the network node;
the processor further configured to control at least one of the plurality of sub-systems for sending a second registration request to the network node to effectuate a second registration process, the second registration process having a time window associated therewith; and
the processor further configured to control at least one of the plurality of sub-systems for prompting a user of the mobile communications device to select between the first and second registration process at the expiration of the time window associated with the second registration process and thereafter process the user’s selection.
13. The mobile communications device according to claim 12, wherein the network node is operable with a wireless packet data service network comprising one of a General Packet Radio Service (GPRS) network, an Enhanced Data Rates for Global System for Mobile Communications (GSM) Evolution (EDGE) network, a 3rd Generation (3G) network, an Integrated Digital Enhanced Network (IDEN), a Code Division Multiple Access (CDMA) network and a Universal Mobile Telecommunications System (UNTS) network.
14. The mobile communications device according to claim 12, wherein the first registration message further includes request data and a response key.
15. The mobile communications device according to claim 14, wherein the first registration response received from the network node comprises the response key.
16. The mobile communications device according to claim 12, wherein the first registration process effectuates encryption algorithms for messages to and responses from the network node.
17. The mobile communications device according to claim 12, further comprising a personalized indicium mapped to the authentication key.
18. The mobile communications device according to claim 17, wherein the personalized indicium comprises a Personal Information Number (PIN) that is bound to an identifier associated with the mobile communications device.
19. The mobile communications device according to claim 18, wherein the identifier comprises at least one of an International Mobile station Eguipment Identity (IMFI) parameter, an International Mobile Subscriber Identity (IMSI) parameter, an Electronic Serial Number (ESM) parameter and a Mobile Identification Number (MIN) parameter.
20. The mobile communications device according to claim 12, wherein the second registration process effectuates unencrypted data transmissions between the mobile communications device and the network node.
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 of fabricating a structure in a diamond material or diamond like carbon material, the material having first, second and third regions, the first region including a surface of the material and the second region being positioned below the first region and sandwiched between the first and the third region, the method comprising:
imposing a structural transformation on a crystallographic structure of the material in the second region, and thereafter
removing at least a portion of the material of the second region.
2. The method as claimed in claim 1 wherein the first region is composed of single-crystalline diamond.
3. The method as claimed in claim 1 wherein removing at least a portion of the second region is performed so that a portion of the first region is undercut and a three-dimensional structure is fabricated.
4. The method as claimed in claim 1 wherein the material is provided with the first, second and third regions being composed of single crystalline diamond.
5. The method as claimed in claim 1 wherein imposing a structural transformation on the crystallographic structure comprises damaging the crystallographic structure.
6. The method as claimed in claim 5 wherein damaging the crystallographic structure comprises ion bombardment.
7. The method as claimed in claim 6 comprising controlling a depth andor a thickness of a region in which the crystallographic structure is predominantly damaged by controlling a kinetic ion bombardment energy.
8. The method as claimed in claim 7 wherein the second region is predominantly damaged by the ion bombardment.
9. The method as claimed in claim 8 comprising annealing the material after damaging the crystallographic structure in the second region.
10. The method as claimed in claim 9 wherein conditions for damaging the second region and annealing are selected so that graphite is formed in the second region.
11. The method as claimed in claim comprising forming a conduit for a fluid through a portion of the first region to the second region.
12. The method as claimed in claim 1 comprising patterning the surface by cutting through the first region in a manner such that an island of material of the first region is formed on the second region.
13. The method as claimed in claim 1 wherein removing the material of the second region comprises at least one of chemical etching, electrochemical etching, plasma etching or exposing the sample to hot gases.
14. The method as claimed in claim 13 wherein an etch fluid is directed through the conduit to the second region and selected so that material of the second region is removed by etching so that at least a portion of the first region is undercut and a cavity is formed between the first and the third region and a portion of the first region overhangs the third region.
15. The method as claimed in claims 11 wherein an etch fluid is directed through the conduit to the second region and selected so that material of the second region is removed by etching so that the island region is undercut lifted off.
16. A structure fabricated by the method as claimed in claim 1.
17. A high frequency resonator, comprising:
a body portion and
a resonator portion that in use resonates at the high frequency, the resonator portion overhanging a region of the body portion,
wherein the body portion and the resonator portion are formed from single crystalline diamond.
18. The high frequency resonator as claimed in claim 17 wherein the body portion and the resonator portion are integrally formed from one diamond single crystal.
19. The high frequency resonator as claimed in claim 17 wherein the resonator portion is a cantilever portion.
20. An optical device comprising:
a body portion and
a waveguide, the waveguide overhanging a region of the body portion,
wherein the body portion and the waveguide are formed from single crystalline diamond.
21. The optical device as claimed in claim 20 wherein the waveguide is elongated and comprises at least one end surface that is arranged to function as a mirror and to divert light by total internal reflection.
22. The optical device as claimed in claim 20 wherein the body portion and the waveguide are integrally formed from one diamond single crystal.
23. The optical device as claimed in claim 20 wherein the waveguide comprises a colour centre.
24. The waveguide as claimed in claim 20 comprising a conduit for a fluid positioned in the proximity of the waveguide and arranged so that in use the guided light will be influenced by a refractive index of the liquid.