OBJECTIVE LENS HOLDER, OBJECTIVE LENS DRIVING DEVICE, OPTICAL PICKUP DEVICE, AND METHOD FOR MANUFACTURING OBJECTIVE LENS DRIVING DEVICE

摘要

Provided are a small objective lens (OBL) holder in which coils can be easily incorporated, and the like. An OBL holder of the present invention includes: a main surface portion provided with a circular opening portion in which an objective lens is fixed; and four side wall portions integrally extending downward from a peripheral portion of the main surface portion. The side wall portions include: a first side-wall portion extending in a longitudinal direction of the OBL holder; a second side-wall portion opposed to the first side-wall portion; a third side-wall portion extending in a short-side direction of the OBL holder; and a fourth side-wall portion, which are provided on the rear, front, right and left sides in the drawing, respectively. Accommodation regions capable of accommodating focusing coils are arranged on one side and the other side of the objective lens.