CONTACT STRUCTURE FOR A TUNABLE LIQUID CRYSTAL OPTICAL DEVICE

A tunable liquid crystal optical device defining an optical aperture and having a layered structure. The device includes a film electrode formed on a surface of a first substrate and covered by a second substrate, and a contact structure filling a volume within the layered structure and contacting the film electrode. The contact structure is located outside of the optical aperture and provides an electrical connection surface much larger than a thickness of the film electrode, such that reliable electrical connections may be made to the electrode, particularly in the context of wafer scale manufacturing of such a device. 122-. (canceled)23. A tunable liquid crystal optical device defining an optical aperture and having a layered structure , said device comprising:a first substrate having an upper surface and a side edge;a first film electrode on the upper surface, the first film electrode having a bottom surface on the upper surface and also having a top surface, a side edge between the first film electrode bottom surface and the first film electrode top surface, and a first thickness between the first film electrode top surface and the first film electrode bottom surface; anda second substrate having an upper surface, a lower surface on the top surface of the first film electrode, a side edge, a second thickness between the second substrate upper surface and the second substrate lower surface at a central portion of the second substrate and a third thickness between the second substrate upper surface and the second substrate lower surface at the second substrate side edge,the lower surface of the second substrate being spaced from the top surface of the first film electrode at the side edge of the second electrode such that a cavity is formed between the lower surface of the second substrate and the top surface of the first film electrode inward of the side edge of the first film electrode,wherein a distance from the top edge of the first film electrode at the side ...

CONTACT STRUCTURE FOR A TUNABLE LIQUID CRYSTAL OPTICAL DEVICE

A tunable liquid crystal optical device defining an optical aperture and having a layered structure. The device includes a film electrode formed on a surface of a first substrate and covered by a second substrate, and a contact structure filling a volume within the layered structure and contacting the film electrode. The contact structure is located outside of the optical aperture and provides an electrical connection surface much larger than a thickness of the film electrode, such that reliable electrical connections may be made to the electrode, particularly in the context of wafer scale manufacturing of such a device.

Contact structure for a tunable liquid crystal optical device

A tunable liquid crystal optical device defining an optical aperture and having a layered structure. The device includes a film electrode formed on a surface of a first substrate and covered by a second substrate, and a contact structure filling a volume within the layered structure and contacting the film electrode. The contact structure is located outside of the optical aperture and provides an electrical connection surface much larger than a thickness of the film electrode, such that reliable electrical connections may be made to the electrode, particularly in the context of wafer scale manufacturing of such a device.

CONTACT STRUCTURE FOR A TUNABLE LIQUID CRYSTAL OPTICAL DEVICE

A tunable liquid crystal optical device defining an optical aperture and having a layered structure. The device includes a film electrode formed on a surface of a first substrate and covered by a second substrate, and a contact structure filling a volume within the layered structure and contacting the film electrode. The contact structure is located outside of the optical aperture and provides an electrical connection surface much larger than a thickness of the film electrode, such that reliable electrical connections may be made to the electrode, particularly in the context of wafer scale manufacturing of such a device. 118-. (canceled)19. A method of manufacturing a tunable liquid crystal optical device that defines an optical aperture and has a layered structure including a liquid crystal layer and a lens structure layer , said method comprising:a. forming a film electrode on a surface of a substrate;b. forming a contact structure connected to said film electrode, said contact structure providing an electrical connection surface that is much larger than a thickness of said film electrode;c. using said substrate with said film electrode and said contact structure formed thereon in the construction of said layered structure of said device, said contact structure filling a volume within said layered structure and being located outside of said optical aperture of said device.20. A method as defined in claim 19 , wherein said forming said contact structure includes positioning said contact structure in contact with said film electrode such that when said layered structure is constructed said contact structure is located at or near an edge of said device.21. A method as defined in claim 19 , wherein said forming a contact structure includes depositing conductive material on said thin film electrode.22. A method as defined in claim 19 , wherein said forming a contact structure includes etching a groove in a substrate other than said substrate on which is formed said ...

Tunable liquid crystal optical device and method of making the same

Stable lyophilized peptide composition

Stable lyophilized peptide composition