Patent · US Active

Vacuum processing apparatus

US8177048B2 · kind B2 · utility

11Cited by
4References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 2009
Grant dateMay 15, 2012
Priority date
Expiry dateDec 9, 2030

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20317
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A vacuum processing apparatus includes a vacuum chamber capable of keeping a first pressure lower than an atmospheric pressure, a driving source disposed in the vacuum chamber, an electric power supply mechanism including a primary side mechanism disposed outside the vacuum chamber for supplying electric power to the driving source and a secondary side mechanism disposed in the vacuum chamber for receiving the electric power from the primary side mechanism in a contactless relationship, and a vessel capable of accommodating airtightly the secondary side mechanism under a second pressure higher than the first pressure.

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