Patent · US Expired

Ultra-thin flexible expanded graphite heating element

US6667100B2 · kind B2 · utility

16Cited by
12References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2002
Grant dateDec 23, 2003
Priority date
Expiry dateMay 13, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/30
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

An ultra-thin flexible expanded graphite heating high resistance element is produced by a method including the steps of providing a flexible expanded graphite sheet having a surface adhered to a substrate; pulling apart the sheet and the substrate with a force sufficient to separate the adhered flexible expanded graphite sheet into a removed layer and a remainder layer adhered to the substrate; and optionally repeating the foregoing steps until the remainder layer has a thickness of about 0.01 mils to about 2 mils. A resistance heater for high voltage applications is also provided.

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