Performing detection on a target device
AssigneeTeradyne, Inc.
InventorsHaibo Liu, Iris Celebi
Life of this patent
Estimating the term…
Abstract
An example test system includes a light source configured to output light; a photodetector to receive a reflection of the light; and an optical cable that is optically coupled to the light source and the photodetector. An end of the optical cable or a microlens at the end of the optical cable is configured to output the light from the light source to a target device to produce the reflection of the light.
Claims32
A test system comprising:
- a light source configured to output light;
- a photodetector to receive a reflection of the light;
- an optical cable that is optically coupled to the light source and the photodetector;
- and
- wherein an end of the optical cable or a microlens proximate to the end of the optical cable is configured to output the light from the light source to a target device to produce the reflection of the light.
A test system comprising:
- a light source configured to output light;
- a first optical cable that is optically coupled to the light source;
- wherein a first end of the first optical cable or a first microlens proximate to the first end of the first optical cable is configured to output the light from the light source to target device;
- a photodetector;
- a second optical cable that is optically coupled to the photodetector;
- and
- wherein a first end of the second optical cable or a second microlens proximate to the second end of the second optical cable is configured to receive a reflection of the light from the target device.
A method for use with a test unit comprising at least first and second instances of an assembly comprising one or more optical cables, and one or more microlenses at one or more respective ends of the one or more optical cables;
- the method comprising:
- moving the test unit in a first dimension relative to a target device while a first assembly outputs first light to the target device and receives a first reflection of the first light and while a second assembly outputs second light to the target device and receives a second reflection of the second light;
- moving the test unit in a second dimension relative to the target device while the first assembly outputs third light to the target device and receives a third reflection of the third light and while the second assembly outputs fourth light to the target device and receives a fourth reflection of the fourth light, the second dimension being different than the first dimension;
- and
- registering the test unit relative to the target device based on the first reflection, the second reflection, the third reflection, and the fourth reflection.
Dependencies are inferred from the claim text.