1. A method for verifying a server initiated function in a vehicle wireless communications system, said method comprising:
transmitting a service request from the server to the vehicle over a first communications link;
receiving the service request by the vehicle;
requesting that the server disconnect the first communications link;
initiating a call from the vehicle to the server over a second communications link;
confirming the service request from the server; and
performing the service request on the vehicle.
2. The method according to claim 1 wherein the first and second communications links are encoded.
3. The method according to claim 1 wherein the server only waits a predetermined period of time to receive the call from the vehicle.
4. The method according to claim 3 wherein the predetermined period of time is a few seconds.
5. The method according to claim 1 further comprising storing the service request to later perform the service request once it is confirmed.
6. The method according to claim 1 further comprising re-transmitting the service request once it has been confirmed.
7. The method according to claim 1 wherein the service request is to upgrade software in the vehicle.
8. A verification system for verifying a server initiated function in a vehicle wireless communications system, said verification system comprising:
means for transmitting a service request from the server to the vehicle over a first communications link;
means for receiving the service request by the vehicle;
means for requesting that the server disconnect the first communications link;
means for initiating a call from the vehicle to the server over a second communications link;
means for confirming the service request from the server; and
means for performing the service request on the vehicle.
9. The verification system according to claim 8 wherein the first and second communications links are encoded.
10. The verification system according to claim 8 wherein the server only waits a predetermined period of time to receive the call from the vehicle.
11. The verification system according to claim 10 wherein the predetermined period of time is a few seconds.
12. The verification system according to claim 8 further comprising means for storing the service request to later perform the service request once it is confirmed.
13. The verification system according to claim 8 further comprising means for re-transmitting the service request once it has been confirmed.
14. The verification system according to claim 8 wherein the service request is to upgrade software in the vehicle.
15. A vehicle wireless communications system, said system comprising:
a vehicle; and
a server, said server transmitting a service request to the vehicle over a first communications link, said vehicle requesting that the server disconnect the first communications link, said vehicle initiating a call to the server over a second communications link, said server confirming the service request from the server, and said vehicle performing the service request.
16. The system according to claim 15 wherein the first and second communications links are encoded.
17. The system according to claim 15 wherein the server only waits a predetermined period of time to receive the call from the vehicle.
18. The system according to claim 15 wherein the vehicle stores the service request to later perform the service request once it is confirmed.
19. The system according to claim 15 wherein the server re-transmits the service request once it has been confirmed.
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 comprising:
providing a substrate comprising:
a host; and
a seed layer bonded to the host, the seed layer comprising a plurality of regions, wherein each region is completely separated from nearest neighbor regions at interfaces between the regions;
relaxing the seed layer, wherein adjacent regions of the seed layer are in direct contact with each other at interfaces between adjacent regions after relaxing the seed layer;
growing on the substrate a semiconductor structure comprising a light emitting layer disposed between an n-type region and a p-type region;
wherein a top surface of a semiconductor layer grown on the seed layer has a lateral extent greater than or equal to each of the plurality of seed layer regions;
connecting the semiconductor structure to a mount;
removing the host; and
removing the seed layer.
2. The method of claim 1 wherein the light emitting layer is a III-nitride layer.
3. The method of claim 1 wherein the interfaces extend through an entire thickness of the seed layer.
4. The method of claim 1 wherein the interfaces are substantially free of chemical bonds between adjacent regions of the seed layer.
5. The method of claim 1 wherein each region has a lateral extent between 1 and 10 microns.
6. A method comprising:
providing a substrate comprising:
a host; and
a seed layer bonded to the host, the seed layer comprising a plurality of regions separated by interfaces, wherein adjacent regions are connected to form a continuous web of seed layer material, wherein gaps between seed layer regions at interfaces are less than one micron wide;
growing on the substrate a semiconductor structure comprising a light emitting layer disposed between an n-type region and a p-type region;
wherein a top surface of a semiconductor layer grown on the seed layer has a lateral extent greater than or equal to each of the plurality of seed layer regions;
connecting the semiconductor structure to a mount;
removing the host; and
removing the seed layer.
7. The method of claim 6 wherein the light emitting layer is a III-nitride layer.
8. A method comprising:
providing a substrate comprising:
a host; and
a seed layer bonded to the host, the seed layer comprising a plurality of regions, wherein the seed layer is a crystalline material having a crystalline unit cell, wherein each seed layer region is shaped to have a rotational symmetry that is the same as a rotational symmetry of the crystalline unit cell, wherein each seed layer region is completely separated from nearest neighbor seed layer regions by a gap or interface;
growing on the substrate a semiconductor structure comprising a light emitting layer disposed between an n-type region and a p-type region;
wherein a top surface of a semiconductor layer grown on the seed layer has a lateral extent greater than or equal to each of the plurality of seed layer regions;
connecting the semiconductor structure to a mount;
removing the host; and
removing the seed layer.
9. The method of claim 8 wherein the light emitting layer is a III-nitride layer.
10. The method of claim 8 wherein the seed layer is wurtzite and each seed layer region is shaped as a triangle or a hexagon.