The disclosure provides a method that includes filling a cavity in a substrate with a second material, wherein the substrate includes a first material. The method also includes using galvanic and/or chemical deposition of a third material to apply an overcoating to a first surface of the substrate in a region of the cavity. The method further includes removing the second material from the cavity. In addition, the method includes, before or after removing the second material from the cavity, applying a reflective layer to the overcoating. The disclosure also provides related optical articles and systems.

The present invention is directed to a method for preparing a coated optical article including providing a non-conductive substrate; forming a conductive coating layer over the substrate; electrodepositing a first electrodepositable coating composition over the conductive coating layer to form a first electrodeposited inorganic coating layer; and electrodepositing a second electrodepositable coating composition over the first electrodeposited coating layer to form a second electrodeposited inorganic coating layer thereover, thereby forming a multi-layer antireflective inorganic coating over the conductive coating layer. Each of the first electrodepositable coating composition and the second electrodepositable coating composition is different one from the other, and each includes a sol prepared from a composition of a metal oxide precursor and protic acid such that each coating composition is hydrolyzed. Coated optical articles are also provided.

The present invention is directed to a method for preparing a coated optical article including providing a non-conductive substrate; forming a conductive coating layer over the substrate; electrodepositing a first electrodepositable coating composition over the conductive coating layer to form a first electrodeposited inorganic coating layer; and electrodepositing a second electrodepositable coating composition over the first electrodeposited coating layer to form a second electrodeposited inorganic coating layer thereover, thereby forming a multi-layer antireflective inorganic coating over the conductive coating layer. Each of the first electrodepositable coating composition and the second electrodepositable coating composition is different one from the other, and each includes a sol prepared from a composition of a metal oxide precursor and protic acid such that each coating composition is hydrolyzed. Coated optical articles are also provided.

According to the present invention, a method for manufacturing a rear surface incident type light receiving device including a substrate, a light receiving unit formed on a surface of the substrate and an electrode formed on the light receiving unit and electrically connected to the light receiving unit includes a first step of performing, after formation of a part of the electrode, a characteristic inspection of the rear surface incident type light receiving device by applying a probe to a part of the electrode and a second step of reducing an area of the electrode in a plan view.

According to the present invention, a method for manufacturing a rear surface incident type light receiving device including a substrate, a light receiving unit formed on a surface of the substrate and an electrode formed on the light receiving unit and electrically connected to the light receiving unit includes a first step of performing, after formation of a part of the electrode, a characteristic inspection of the rear surface incident type light receiving device by applying a probe to a part of the electrode and a second step of reducing an area of the electrode in a plan view.

A manufacturing method creates a type of telescope which is athermal, lightweight, optical quality for visible and IR applications. The method includes: a) optical mirrors being made by immersing a master, that is an optical component with a curvature opposite to the mirror required into an electrolytic bath where the applied current transfers metal ions and deposit them on the master, the cathode, as a layer, b) the layer being bonded by an adhesive, solder or any other attachment process to a mechanical reinforcing structure, c) after the hardening of the bond or glue, the thin layer being finally released from the master and having maintained the optical quality of the master.

The master or mandrel can be cleaned and reused for repeating this method and manufacturing large series of telescopes.

The invention relates to an optical element including a resin body having a functional surface covered with a reflective coating capable of reflecting light beams, the reflective coating including a copper layer covering at least the functional surface, a nickel layer covering the copper layer, and a chromium layer covering the nickel layer.

The invention relates to an optical element including a resin body having a functional surface covered with a reflective coating capable of reflecting light beams, the reflective coating including a copper layer covering at least the functional surface, a nickel layer covering the copper layer, and a chromium layer covering the nickel layer.

According to the present invention, a method for manufacturing a rear surface incident type light receiving device including a substrate, a light receiving unit formed on a surface of the substrate and an electrode formed on the light receiving unit and electrically connected to the light receiving unit includes a first step of performing, after formation of a part of the electrode, a characteristic inspection of the rear surface incident type light receiving device by applying a probe to a part of the electrode and a second step of reducing an area of the electrode in a plan view.

According to the present invention, a method for manufacturing a rear surface incident type light receiving device including a substrate, a light receiving unit formed on a surface of the substrate and an electrode formed on the light receiving unit and electrically connected to the light receiving unit includes a first step of performing, after formation of a part of the electrode, a characteristic inspection of the rear surface incident type light receiving device by applying a probe to a part of the electrode and a second step of reducing an area of the electrode in a plan view.