Patent · US Expired

Making rod-shaped single crystals by horizontal solidifaction from a melt using transversally asymmetric trough-shaped resistance heater having transverse half turns

US3984280A · kind A · utility

5Cited by
9References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 1975
Grant dateOct 5, 1976
Priority date
Expiry dateAug 11, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC30B11/003
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Rod shaped monocrystals are formed by causing monocrystalline deposition to take place in that body from a melt formed by heating a longitudinal section of that body with individual trough shaped heating elements.

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