Image sensing apparatus having a member that adjusts with temperature change
This invention has building members which include an image sensing portion, an optical member for forming a beam from an object to be sensed into an image on the image sensing portion, a positioning portion which positions the optical member, and a support member which holds the optical member and to which the positioning portion is fixed. When the optical member deforms along the optical axis upon a temperature change of the building members, the image sensing portion is deformed in the same direction as deformation of the optical member. The position of the image sensing portion is adjusted via a plurality of adjustment members movably attached to the support member. The image sensing portion is fixed to the support member after adjustment by adhering the image sensing portion and the adjustment members to each other, and adhering the adjustment members and the support member to each other.
1. An image sensing apparatus comprising a building member including an image sensing portion, and an optical member for forming a beam from an object to be sensed into an image on said image sensing portion, wherein
when said optical member deforms along an optical axis upon a temperature change of said building member, said image sensing portion is deformed in the same direction as deformation of said optical member,
said building member includes a positioning portion which positions said optical member, and a support member which holds said optical member and to which said positioning portion is fixed,
a position of said image sensing portion is adjusted via a plurality of adjustment members movably attached to said support member, and
said image sensing portion is fixed to said support member after adjustment by adhering said image sensing portion and the adjustment members to each other, and adhering the adjustment members and said support member to each other.
2. The apparatus according to claim 1 , wherein
the adjustment members and said support member are in contact with each other at a plurality of contact portions, and
an adhesion state is changed in adhering the plurality of contact portions.
3. The apparatus according to claim 2 , wherein
the plurality of adjustment members are arranged on two sides via the optical axis of said optical member,
the plurality of contact portions are set at different distances from the optical axis of said optical member, and
the adhesion state of a close contact portion is changed from the adhesion state of a contact portion apart from the optical axis of said optical member in adhering the contact portions.
4. The apparatus according to claim 2 , wherein
the plurality of adjustment members are arranged on two sides via the optical axis of said optical member,
the plurality of contact portions are set at different distances from the optical axis of said optical member, and
a contact portion apart from the optical axis of said optical member is adhered while a close contact portion is not adhered in adhering the contact portions.
5. The apparatus according to claim 2 , wherein
the plurality of adjustment members are arranged on two sides via the optical axis of said optical member,
the plurality of contact portions are set at different distances from the optical axis of said optical member, and
adhesives for a contact portion apart from the optical axis of said optical member and a close contact portion have different materials in adhering the contact portions.
6. The apparatus according to claim 1 , wherein
the adjustment members and said support member are held in contact with each other at a plurality of contact portions, and
some of the plurality of contact portions are adhered while the remaining contact portions are not adhered in adhering the plurality of contact portions.
7. The apparatus according to claim 1 , wherein
the adjustment members and said support member are in contact with each other at a plurality of contact portions, and
a material of an adhesive at an adhesion portion is changed in adhering the plurality of contact portions.