Fingerprint sensing circuit
US9666635B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2011 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | May 10, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/1329
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Fingerprint sensing circuit packages and methods of making such packages may comprise a first substrate having a top side and a bottom side; the top side comprising a fingerprint image sensing side over which a user's fingerprint is swiped; the bottom side comprising a metal layer forming a fingerprint sensing circuit image sensor structure; and a sensor control circuit housed in a sensor control circuit package mounted on the metal layer. The sensor control circuit may comprise an integrated circuit die contained within the sensor control circuit package. The fingerprint sensing circuit package may also have a second substrate attached to the bottom side of the first substrate having a second substrate bottom side on which is placed connector members connecting the fingerprint sensing circuit package to a device using a fingerprint image generated from the fingerprint sensing circuitry contained in the fingerprint sensing circuitry package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.