Patent · US Expired

Electron exposure device and method and electronic characteristics evaluation device using scanning probe

US6670622B2 · kind B2 · utility

1Cited by
3References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 26, 2002
Grant dateDec 30, 2003
Priority date
Expiry dateJul 12, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J2237/31752
  • WIPO fieldMicro-structural and nano-technology
  • WIPO sectorChemistry

Abstract

Current passed through a resist layer or insulating layer is controlled by changing the amplitude of an AC voltage to provide an electron exposure device or electric characteristics evaluation device using a scanning probe.

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