CPC G02B 21/02 (2013.01) [G02B 7/027 (2013.01)] | 18 Claims |
1. A holder for a microsphere, the holder comprising:
a first body portion and
a second body portion coupled to the first body portion, the first body portion and the second body portion being configured to provide a receiving position therebetween for the microsphere, such that when the microsphere is at the receiving position, the microsphere is coupled to the first body portion and the second body portion,
wherein the first body portion and the second body portion are configured to provide a plurality of selectable positions such that the receiving position is one selected from any of the plurality of selectable positions.
|