Miniature optically transparent window
US7494598B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2005 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Feb 3, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB81B7/0067
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
Miniature optically transparent windows are disclosed that extend vertically from a plane, which may be used to transmit light traveling in a direction substantially parallel with the plane. In one illustrative embodiment, a method for forming such miniature optically transparent windows includes: providing a substrate having a first surface and an opposing second surface, the substrate having a first layer and an adjacent second layer; forming a recess in the first layer of the substrate, the recess extending to the second layer; providing an optically transparent material in the recess to form an optically transparent feature; and removing at least a portion of the first layer that extends adjacent the optically transparent feature so that light can pass through the optically transparent feature in a direction that is substantially parallel to the first surface of the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.