Method to maintain the levelness of a heated crucible
US5582393A · kind A · utility
0Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1995 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Apr 21, 2015 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27B2014/0825
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
There is disclosed a method for maintaining the levelness of a crucible having a first end and a second end during thermal expansion of the crucible comprising: providing a continuous pulling force on the first end in a direction parallel to the length of the crucible during heating of the crucible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.