Radiation sensor device and method
US8476591B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2008 |
| Grant date | Jul 2, 2013 |
| Priority date | — |
| Expiry date | Mar 16, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10F39/809
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A radiation sensor device including an integrated circuit chip including a radiation sensor on a surface of the integrated chip, one or more electrical connections configured to connect between an active surface of the integrated circuit chip and a lead frame, a cap attached to said integrated circuit chip spaced from and covering said radiation sensor, the cap having a transparent portion defining a primary lens transparent to the radiation to be sensed, a secondary lens disposed in a recess proximate and spaced from said primary lens transparent to the radiation to be sensed, and an air gap between said primary lens and said secondary lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.