System for testing devices inside of carriers
An example test system includes a test carrier to receive a device to test. The test carrier includes test components to perform at least a structural test on the device. The example test system also includes a slot to receive the test carrier. The slot includes an interface to which the test carrier connects to enable the test carrier to communicate with a system that is part of the test system or external to the test system.
1. A test system comprising:
a test carrier to receive a device to test, the test carrier comprising test components to perform, on the test carrier, at least a structural test on the device; and
a slot in a test rack, the slot being configured to receive the test carrier, the slot being configured to connect to the test carrier to enable the test carrier to communicate with a system that is part of the test system or external to the test system;
wherein at least the structural test is independent of testing performed on the device by components that are not on the test carrier when the test carrier is in the slot.
2. The test system of claim 1 , wherein the test components comprise test electronics, and wherein the structural test is for performing component-level testing on the device.
3. The test system of claim 1 , wherein the structural test comprises a parametric test.
4. The test system of claim 1 , wherein the structural test comprises a scan test.
5. The test system of claim 1 , wherein the test components comprise test electronics, and wherein the test components are configured to perform a functional test on the device.
6. The test system of claim 5 , wherein the functional test is for performing system-level testing on the device.
7. The test system of claim 5 , wherein the functional test comprises providing an input to the device, obtaining an output based on the input, and determining whether the device has passed the functional test based on the output.
8. The test system of claim 1 , wherein the test carrier comprises a printed circuit board (PCB) for holding test electronics comprising the test components to perform at least the structural test on the device.
9. The test system of claim 1 , further comprising:
robotics to move the test carrier into, and out of, the slot.
10. The test system of claim 1 , wherein the test carrier is a first test carrier, the device is a first device, and the slot is a first slot; and
wherein the test system further comprises:
one or more additional test carriers, each of the one or more additional test carriers to receive a different device to test, each additional test carrier comprising test components to perform at least a structural test on a different device; and
one or more additional slots, each of the one or more additional slots to receive a target test carrier among the one or more additional test carriers, each slot being configured to enable the target test carrier to communicate with the system that is part of the test system or external to the test system.
11. The test system of claim 10 , wherein each test carrier comprises a same type of test components.
12. The test system of claim 10 , wherein at least some of the additional test carriers comprise different types of test components configured to perform different types of tests.
13. The test system of claim 1 , wherein the device is a first device;
wherein the test carrier comprises a first receptacle to receive the first device and a second receptacle to receive a second device to test; and
wherein the test components are configured also to test the second device.
14. The test system of claim 13 , wherein the test components are configured to perform a same type of test on the first device and the second device.
15. The test system of claim 13 , wherein the test components are configured to perform different types of tests on the first device and the second device.
16. The test system of claim 15 , wherein the different types of test are performed asynchronously.
17. The test system of claim 1 , wherein the test components comprise memory storing data representing test stimulus vectors for use in the structural test.
18. The test system of claim 1 , wherein the test components comprise one or more processing devices configured to execute instructions to perform to the structural test.
19. The test system of claim 1 , wherein the test components comprise memory storing test results based on performance of the structural test.
20. The test system of claim 19 , wherein the test components comprise an interface to enable exchange of communications with the system, the system comprising a computing system, the communications comprising instructions for performing testing originating at the computing system, the test results originating at the test carrier.
21. The test system of claim 1 , wherein the test components comprise:
memory storing instructions comprising one or more test programs; and
one or more processing devices to execute the instructions to perform the structural test on the device, the instructions defining a test flow.
22. The test system of claim 21 , wherein the system comprises a computing system; and
wherein the test carrier is configured to receive, from the computing system, commands to change the test flow.
23. A method comprising:
receiving a device to test in a test carrier, the test carrier comprising test components to perform at least a structural test on the device;
performing, in the test carrier, at least the structural test on the device;
receiving the test carrier in a slot of a test rack, the slot being configured to enable the test carrier to communicate with a system that is part of a test system or external to the test system; and
the test carrier communicating with the system based on the structural test;
wherein at least the structural test is independent of testing performed on the device by components that are not on the test carrier when the test carrier is in the slot.
24. The method of claim 23 , wherein the structural test performs component-level testing on the device.
25. The method of claim 23 , wherein the structural test is a parametric test.
26. The method of claim 23 , wherein the structural test is a scan test.
27. The method of claim 23 , wherein the test components comprise test electronics, and wherein the test components perform a functional test on the device.
28. The method of claim 27 , wherein the functional test performs system-level testing on the device.
29. The method of claim 27 wherein the functional test provides an input to the device, obtains an output based on the input, and determines whether the device has passed the functional test based on the output.
30. A test system comprising:
a test carrier for receiving a device to test, the test carrier comprising test components to perform, on the test carrier, at least a structural test on the device;
means for receiving the test carrier, the means for receiving the test carrier being configured to enable the test carrier to communicate with a system that is part of the test system or external to the test system; and
means for moving the test carrier into, and out of, the means for receiving;
wherein at least the structural test is independent of testing performed on the device by components that are not on the test carrier when the test carrier is in the means for receiving.
31. The test system of claim 30 , further comprising:
means for moving the device into, and out of, the test carrier.
32. The test system of claim 30 , wherein the test components are configured also to perform a functional test on the device.