Patent · US Expired

Light signal processing system

US6909181B2 · kind B2 · utility

34Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 2002
Grant dateJun 21, 2005
Priority date
Expiry dateMar 15, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

There are provided a sealing insulating film that is formed on a substrate and melted at a first heating temperature to have a flowability, and external terminals that are formed on the substrate, and connected to other electronic device at a second heating temperature higher than the first heating temperature, and surrounded by the sealing insulating film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.