A method of producing freeform lenses for a PSP laser line system having a laser line diode and a set of three freeform lenses aligned along an optical alignment axis, the set of freeform lenses configured to yield a resultant laser line, the method including: (a) calculating lens surfaces for a lens form to fabricate a lens of the lens set therefrom; (b) fabricating a plurality of slices of the lens form, the plurality of slices distributed over a width SW of the lens, wherein each the slices has a width dimension SL; (c) aligning and constraining together the plurality of slices to fabricate the lens form, and molding a lens using the fabricated lens form; (d) repeating steps (a) to (c) to produce all three lenses of the set of lenses; and (e) integrating the produced lens set into the laser line system; the resultant laser line having a length L and a width W and a power uniformity evaluated along L.

Disclosed is a holding system for supporting a wafer having a first surface, a second surface and a third surface joining the first and second surfaces, and an optical element having a first surface, a second surface and a third surface joining the first and second surfaces, the holding system including: a support including first support unit configured to support the second and/or third surface of the wafer and second support unit configured to support the second and/or third surface of the optical element; a positioning unit configured to position the second surface of the wafer relative to the first surface of the optical element; and a mechanical unit configured to move the first and second support units one relative to the other so as to move the second surface of the wafer and the first surface of the optical element to form an optical system.

A method is for manufacturing a structure obtained by stacking a substrate that is a first member as a base material, and lens arrays that are second members that are opposed to the substrate, are formed of a resin material different from the substrate, and have a shape on a surface. The method includes a surface activation step of performing an activation treatment to cause an activation state of at least one of a surface of the substrate or a surface of the lens arrays, and a bonding step of pressurizing the lens arrays at least at a temperature that is equal to or higher than a reference temperature obtained by subtracting 30 C. from a load deflection temperature of a resin material of the lens arrays, and is equal to or lower than a glass transition temperature, to closely bond to the substrate.

An improved lens unit can be used in an in-vehicle camera or the like, in a condition where a forefront lens is exposed to the outside for a long time. Here, the resin lens within the lens unit has an improved durability at a high temperature. The lens unit has a plurality of lenses arranged side by side with the optical axes thereof aligned with each other. The lenses include glass lens and resin lens. The lens closest to the object is a glass lens which is closest to the object side and is coated with an ultra-hard film. Resin lenses each have a high temperature resistant reflection preventing film. The lens is a combined lens in which a lens and a lens are bonded together, and is then covered with a high temperature resistant reflection preventing film after bonding.

Optical stack assemblies and fabrication techniques thereof. The optical stack assembly includes first and second sub-assemblies, each of which include a substrate and a sub-structure fixed to the respective substrate. Each sub-structures includes a respective first edge feature and a respective second edge feature that project away from the substrate of that sub-structure, each second edge feature being disposed laterally closer to an outer periphery of the respective sub-structure than the first edge feature of the same sub-structure. The first edge feature of the first sub-structure is in direct contact with the first edge feature of the second substructure, while the second edge feature of the first sub-structure and the second edge feature of the second sub-structure are attached to one another by adhesive. At least one of the first or second sub-structures includes an optical element on a same side of the sub-structure as the first and second edge features of that sub-structure. The optical element stack assembly further includes a spacer laterally surrounding, and moulded to, the first and second sub-assemblies.

To prevent the resin from oozing out during the lens molding due to the capillary action. A laminated lens structure according to the present disclosure includes: a plurality of lens structures including a substrate provided with an opening part, a lens inserted into the opening part to be fixed to the substrate, and a recessed part provided at an area in which a lateral face of the opening part and a surface of the substrate are intersected, and recessed more than the surface of the substrate. The lenses are arrayed in an optical axis direction by the substrates being joined. This configuration makes it possible to prevent the resin from oozing out during the lens molding due to the capillary action.

The invention relates a method for producing a radiation-emitting component including a step A, in which a laser having an optical resonator and an output mirror is provided, wherein during the intended operation, laser radiation exits the optical resonator via the output mirror. In a step B), a photoresist layer is applied to the output mirror. In a step C), an optical structure is generated from the photoresist layer by means of a 3D lithography method, wherein the optical structure is designed to influence the beam path of the laser radiation by refraction and/or reflection.

Provided is a laminated lens structure capable of corresponding various optical parameters. The laminated lens structure includes at least one or more sheets of first lens-attached substrates and at least one or more sheets of second lens-attached substrates as a lens-attached substrate including a lens resin portion that forms a lens, and a carrier substrate that carries the lens resin portion. The carrier substrate of the first lens-attached substrates is constituted by laminating a plurality of sheets of carrier configuration substrates in a thickness direction, and the carrier substrate of the second lens-attached substrates is constituted by one sheet of carrier configuration substrate. For example, the present technology is applicable to a camera module and the like.

The present disclosure relates to a camera package, a manufacturing method of a camera package, and an electronic device capable of reducing a manufacturing cost for forming a lens. The manufacturing method of the camera package according to the present disclosure includes forming a high-contact angle film around a lens forming region on an upper side of a transparent substrate that protects a solid-state imaging element, dropping a lens material in the lens forming region on the upper side of the transparent substrate, and molding the dropped lens material by a mold to form a lens. The present disclosure is applicable to, for example, a camera package and the like in which a lens is arranged above a solid-state imaging element.

A lens unit includes a plurality of lenses, and a holder in a tube shape which holds the plurality of the lenses. An inner peripheral face of the holder is formed with a plurality of alignment protruded parts protruded from the inner peripheral face to an inner side in a circumferential direction, each of the alignment protruded parts is provided with a first alignment protruded part whose protruding dimension is different and a second alignment protruded part, and the second alignment protruded part is protruded from the first alignment protruded part to the inner side of the inner peripheral face to be abutted with an outer peripheral face of one of the lenses.