Fuse structures, methods of making and using the same, and integrated circuits including the same
US7704805B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2008 |
| Grant date | Apr 27, 2010 |
| Priority date | — |
| Expiry date | Jul 11, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
A fuse structure, an integrated circuit including the structure, and methods for making the structure and (re)configuring a circuit using the fuse. The fuse structure generally includes (a) a conductive structure with at least two circuit elements electrically coupled thereto, (b) a dielectric layer over the conductive structure, and (c) a first lens over both the first dielectric layer and the conductive structure configured to at least partially focus light onto the conductive structure. The method of making the structure generally includes the steps of (1) forming a conductive structure electrically coupled to first and second circuit elements, (2) forming a dielectric layer thereover, and (3) forming a lens on or over the dielectric layer and over the conductive structure, the lens being configured to at least partially focus light onto the conductive structure. The method of (re)configuring a circuit generally includes the steps of (i) irradiating at least one lens on or near a surface of the circuit sufficient to electrically disconnect a corresponding first fuse positioned under the lens and disable a first configuration of the circuit, and (ii) irradiating at least one othe…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.