Optical device for optical semiconductor package and fabrication method
US7245834B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2004 |
| Grant date | Jul 17, 2007 |
| Priority date | — |
| Expiry date | Oct 19, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/48227
Abstract
An optical device includes a stack having a transparent block with a rear face fixed on a front face of an integrated chip support. A front face of the transparent block that is parallel to its rear face is affixed to a rear face of a converging lens. The lens has a convex frontal surface. A diaphragm is interposed and fixed between the block and the lens. A housing for the optical device is made of an opaque material. A peripheral wall of the housing encloses the stack. An annular front part of the peripheral wall bears on a periphery of the convex frontal surface of the lens so as to define a frontal opening located in front of a central part of the lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.