Patent · US Expired

Method and apparatus for coating a substrate

US4663197A · kind A · utility

12Cited by
13References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 18, 1985
Grant dateMay 5, 1987
Priority date
Expiry dateJan 18, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/67784
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

This invention relates to method and apparatus of transporting and coating substrates within a confined longitudinal passageway. The method is characterized by the transport and coating of substrates without human or mechanical contact. The method includes supplying a fluid medium into the confined passageway and discharging the fluid medium from the passageway, such that the moving fluid cushions while longitudinally transporting the substrate within the passageway.

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