Olympus Medical Systems Corporation

Takanori Sekido

Shuichi Takie

An image pickup unit includes: a three-dimensional wiring board having a recess; a stacked device including multiple optical elements and an image pickup device housed in the recess; and sealing resin filling a gap between the recess and the stacked device, in which the multiple optical elements include a composite element having a first optical member and a second optical member disposed on the first optical member, the second optical member has an elastic modulus smaller than an elastic modulus of the first optical member and an elastic modulus of the image pickup device, and larger than or equal to an elastic modulus of the sealing resin, and the sealing resin has a thermal expansion coefficient larger than a thermal expansion coefficient of the first optical member and a thermal expansion coefficient of the image pickup device, and smaller than a thermal expansion coefficient of the second optical member.

Image pickup unit and endoscope

An image pickup unit includes: an image pickup device, a first wiring board bonded to the image pickup device; and a second wiring board bonded to the first wiring board and including a gate remnant in a back area of the second wiring board.

Growing community of inventors

Sagamihara, Japan

Takanori Sekido