Patent · US Expired

Transfer device

US5043148A · kind A · utility

1Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 10, 1988
Grant dateAug 27, 1991
Priority date
Expiry dateAug 10, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/25
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A transfer vessel for transporting a specimen between two vacuum apparatuses while maintaining the specimen under a high vacuum. The device has a hermetic container for accommodating a specimen removed from a vacuum apparatus and for supporting the specimen. A pressure reducing device reduces the pressure in the hermetic container by adsorbing a gaseous matter contained therein.

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