Noncontact communication semiconductor device
US6344824B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2001 |
| Grant date | Feb 5, 2002 |
| Priority date | — |
| Expiry date | Feb 5, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01Q21/06
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A compact noncontact communication semiconductor device having a multidirectional or omnidirectional antenna and usable in a minuscule space to which the applications have conventionally been difficult is provided. The outer peripheral portion of a spherical IC 1 is covered with an insulating layer 4 having a thickness equal to or larger than the diameter of the IC 1, and antenna patterns 2 are formed on the surface of the insulating layer 4. The antenna patterns 2 can be configured either with a winding or by microprocessing using etching or laser beam, for example, for the conductive film formed on the surface of the insulating layer 4. The antenna patterns 2 and the circuit pattern formed on the surface of the IC 1 are interconnected via a through hole 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.