Integrated circuit device having strip line structure therein
US4875087A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1988 |
| Grant date | Oct 17, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/325
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
An integrated circuit device including: at least one semiconductor chip (3) having a plurality of circuit elements; a package (21 to 24) enclosing the semiconductor chip with a hermetic seal; and a strip line unit (15-2, 11-1b, 11-2, 20 and 23:15-1, 11-1, 11-2, 11-3, 12-1 and 20) for connecting the circuit elements in the semiconductor chip to circuit outside of the package. The stripline unit having a microstrip line structure and a triplate strip line structure serial-connected to the microstrip line structure and connecting the outside circuits. The triplate strip line structure has a characteristic impedance equal to that of the microstrip line structure so that the strip line unit satisfies the required impedance matching. A center of the conductive layer strip line of the triplate strip line structure has a smaller width than that of a microstrip line of the microstrip line structure to have a predetermined impedance so that the triplate strip line structure has a same characteristic impedance as that of the microstrip line structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.