Optical unit and its manufacturing method

摘要

Provided is an optical unit comprising a shake detecting sensor which is less likely to unnecessarily vibrate even with the optical unit being designed to have a thinner profile. At a first step in the assembly of an optical unit provided with a shake correction mechanism, a module cover is mounted on a fixed body with a spring member therebetween and a movable module driving mechanism is provided between the module cover and the fixed body. At a second step, an image-capturing unit is inserted into the interior of the module cover by way of a fixed-body-side opening portion and a module-cover-side opening portion, and at a third step, a holding member is attached to a module cover.

主权项

1. An optical unit with a shake correcting function comprising:
a fixed body; an optical element unit which holds an optical element; a movable module which holds the optical element unit; a spring member through which the movable module is supported by the fixed body so as to be capable of displacing; a shake detection sensor which detects a shake of the movable module; and a movable module drive mechanism for a shake correction which is provided between the movable module and the fixed body and which generates a magnetic drive force for relatively displacing the movable module with respect to the fixed body so as to cancel the shake on a basis of a detection result of the shake detection sensor; wherein one side in an optical axis direction is a first direction side and the other side is a second direction side; wherein the fixed body is provided with a fixed body side opening part which is larger than an optical element unit holding the optical element on a first direction side; and wherein the movable module comprises:
a module cover which is supported by the fixed body so as to be capable of displacing through the spring member and is provided with a module cover side opening part larger than the optical element unit;a support part which is provided in the module cover and supports an end part on the second direction side of the optical element unit;a pressing member which supports an end part on the first direction side of the optical element unit and is connected with the module cover; andwherein the fixed body is provided with a fixed body side opening part which is larger than the optical element unit at a position superposed on the module cover side opening part on the first direction side.